diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-omap2/gpmc-nand.c | 26 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/gpmc-onenand.c | 143 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/gpmc-smc91x.c | 43 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/gpmc.c | 373 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/gpmc.h | 113 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/usb-tusb6010.c | 181 | ||||
| -rw-r--r-- | arch/arm/mach-ux500/board-mop500-pins.c | 425 | ||||
| -rw-r--r-- | arch/arm/mach-vexpress/reset.c | 141 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/include/plat/gpio-core.h | 2 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/s5p-irq-gpioint.c | 8 |
10 files changed, 1096 insertions, 359 deletions
diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c index 8607735b3ab3..db969a5c4998 100644 --- a/arch/arm/mach-omap2/gpmc-nand.c +++ b/arch/arm/mach-omap2/gpmc-nand.c @@ -52,27 +52,27 @@ static int omap2_nand_gpmc_retime( memset(&t, 0, sizeof(t)); t.sync_clk = gpmc_t->sync_clk; - t.cs_on = gpmc_round_ns_to_ticks(gpmc_t->cs_on); - t.adv_on = gpmc_round_ns_to_ticks(gpmc_t->adv_on); + t.cs_on = gpmc_t->cs_on; + t.adv_on = gpmc_t->adv_on; /* Read */ - t.adv_rd_off = gpmc_round_ns_to_ticks(gpmc_t->adv_rd_off); + t.adv_rd_off = gpmc_t->adv_rd_off; t.oe_on = t.adv_on; - t.access = gpmc_round_ns_to_ticks(gpmc_t->access); - t.oe_off = gpmc_round_ns_to_ticks(gpmc_t->oe_off); - t.cs_rd_off = gpmc_round_ns_to_ticks(gpmc_t->cs_rd_off); - t.rd_cycle = gpmc_round_ns_to_ticks(gpmc_t->rd_cycle); + t.access = gpmc_t->access; + t.oe_off = gpmc_t->oe_off; + t.cs_rd_off = gpmc_t->cs_rd_off; + t.rd_cycle = gpmc_t->rd_cycle; /* Write */ - t.adv_wr_off = gpmc_round_ns_to_ticks(gpmc_t->adv_wr_off); + t.adv_wr_off = gpmc_t->adv_wr_off; t.we_on = t.oe_on; if (cpu_is_omap34xx()) { - t.wr_data_mux_bus = gpmc_round_ns_to_ticks(gpmc_t->wr_data_mux_bus); - t.wr_access = gpmc_round_ns_to_ticks(gpmc_t->wr_access); + t.wr_data_mux_bus = gpmc_t->wr_data_mux_bus; + t.wr_access = gpmc_t->wr_access; } - t.we_off = gpmc_round_ns_to_ticks(gpmc_t->we_off); - t.cs_wr_off = gpmc_round_ns_to_ticks(gpmc_t->cs_wr_off); - t.wr_cycle = gpmc_round_ns_to_ticks(gpmc_t->wr_cycle); + t.we_off = gpmc_t->we_off; + t.cs_wr_off = gpmc_t->cs_wr_off; + t.wr_cycle = gpmc_t->wr_cycle; /* Configure GPMC */ if (gpmc_nand_data->devsize == NAND_BUSWIDTH_16) diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c index d102183ed9a5..94a349e4dc96 100644 --- a/arch/arm/mach-omap2/gpmc-onenand.c +++ b/arch/arm/mach-omap2/gpmc-onenand.c @@ -33,7 +33,6 @@ static unsigned onenand_flags; static unsigned latency; -static int fclk_offset; static struct omap_onenand_platform_data *gpmc_onenand_data; @@ -50,6 +49,7 @@ static struct platform_device gpmc_onenand_device = { static struct gpmc_timings omap2_onenand_calc_async_timings(void) { + struct gpmc_device_timings dev_t; struct gpmc_timings t; const int t_cer = 15; @@ -59,35 +59,24 @@ static struct gpmc_timings omap2_onenand_calc_async_timings(void) const int t_aa = 76; const int t_oe = 20; const int t_cez = 20; /* max of t_cez, t_oez */ - const int t_ds = 30; const int t_wpl = 40; const int t_wph = 30; - memset(&t, 0, sizeof(t)); - t.sync_clk = 0; - t.cs_on = 0; - t.adv_on = 0; - - /* Read */ - t.adv_rd_off = gpmc_round_ns_to_ticks(max_t(int, t_avdp, t_cer)); - t.oe_on = t.adv_rd_off + gpmc_round_ns_to_ticks(t_aavdh); - t.access = t.adv_on + gpmc_round_ns_to_ticks(t_aa); - t.access = max_t(int, t.access, t.cs_on + gpmc_round_ns_to_ticks(t_ce)); - t.access = max_t(int, t.access, t.oe_on + gpmc_round_ns_to_ticks(t_oe)); - t.oe_off = t.access + gpmc_round_ns_to_ticks(1); - t.cs_rd_off = t.oe_off; - t.rd_cycle = t.cs_rd_off + gpmc_round_ns_to_ticks(t_cez); - - /* Write */ - t.adv_wr_off = t.adv_rd_off; - t.we_on = t.oe_on; - if (cpu_is_omap34xx()) { - t.wr_data_mux_bus = t.we_on; - t.wr_access = t.we_on + gpmc_round_ns_to_ticks(t_ds); - } - t.we_off = t.we_on + gpmc_round_ns_to_ticks(t_wpl); - t.cs_wr_off = t.we_off + gpmc_round_ns_to_ticks(t_wph); - t.wr_cycle = t.cs_wr_off + gpmc_round_ns_to_ticks(t_cez); + memset(&dev_t, 0, sizeof(dev_t)); + + dev_t.mux = true; + dev_t.t_avdp_r = max_t(int, t_avdp, t_cer) * 1000; + dev_t.t_avdp_w = dev_t.t_avdp_r; + dev_t.t_aavdh = t_aavdh * 1000; + dev_t.t_aa = t_aa * 1000; + dev_t.t_ce = t_ce * 1000; + dev_t.t_oe = t_oe * 1000; + dev_t.t_cez_r = t_cez * 1000; + dev_t.t_cez_w = dev_t.t_cez_r; + dev_t.t_wpl = t_wpl * 1000; + dev_t.t_wph = t_wph * 1000; + + gpmc_calc_timings(&t, &dev_t); return t; } @@ -173,18 +162,15 @@ static struct gpmc_timings omap2_onenand_calc_sync_timings(struct omap_onenand_platform_data *cfg, int freq) { + struct gpmc_device_timings dev_t; struct gpmc_timings t; const int t_cer = 15; const int t_avdp = 12; const int t_cez = 20; /* max of t_cez, t_oez */ - const int t_ds = 30; const int t_wpl = 40; const int t_wph = 30; int min_gpmc_clk_period, t_ces, t_avds, t_avdh, t_ach, t_aavdh, t_rdyo; - u32 reg; - int div, fclk_offset_ns, gpmc_clk_ns; - int ticks_cez; - int cs = cfg->cs; + int div, gpmc_clk_ns; if (cfg->flags & ONENAND_SYNC_READ) onenand_flags = ONENAND_FLAG_SYNCREAD; @@ -251,77 +237,35 @@ omap2_onenand_calc_sync_timings(struct omap_onenand_platform_data *cfg, latency = 4; /* Set synchronous read timings */ - memset(&t, 0, sizeof(t)); - - if (div == 1) { - reg = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG2); - reg |= (1 << 7); - gpmc_cs_write_reg(cs, GPMC_CS_CONFIG2, reg); - reg = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG3); - reg |= (1 << 7); - gpmc_cs_write_reg(cs, GPMC_CS_CONFIG3, reg); - reg = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG4); - reg |= (1 << 7); - reg |= (1 << 23); - gpmc_cs_write_reg(cs, GPMC_CS_CONFIG4, reg); - } else { - reg = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG2); - reg &= ~(1 << 7); - gpmc_cs_write_reg(cs, GPMC_CS_CONFIG2, reg); - reg = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG3); - reg &= ~(1 << 7); - gpmc_cs_write_reg(cs, GPMC_CS_CONFIG3, reg); - reg = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG4); - reg &= ~(1 << 7); - reg &= ~(1 << 23); - gpmc_cs_write_reg(cs, GPMC_CS_CONFIG4, reg); - } + memset(&dev_t, 0, sizeof(dev_t)); - t.sync_clk = min_gpmc_clk_period; - t.cs_on = 0; - t.adv_on = 0; - fclk_offset_ns = gpmc_round_ns_to_ticks(max_t(int, t_ces, t_avds)); - fclk_offset = gpmc_ns_to_ticks(fclk_offset_ns); - t.page_burst_access = gpmc_clk_ns; - - /* Read */ - t.adv_rd_off = gpmc_ticks_to_ns(fclk_offset + gpmc_ns_to_ticks(t_avdh)); - t.oe_on = gpmc_ticks_to_ns(fclk_offset + gpmc_ns_to_ticks(t_ach)); - /* Force at least 1 clk between AVD High to OE Low */ - if (t.oe_on <= t.adv_rd_off) - t.oe_on = t.adv_rd_off + gpmc_round_ns_to_ticks(1); - t.access = gpmc_ticks_to_ns(fclk_offset + (latency + 1) * div); - t.oe_off = t.access + gpmc_round_ns_to_ticks(1); - t.cs_rd_off = t.oe_off; - ticks_cez = ((gpmc_ns_to_ticks(t_cez) + div - 1) / div) * div; - t.rd_cycle = gpmc_ticks_to_ns(fclk_offset + (latency + 1) * div + - ticks_cez); - - /* Write */ + dev_t.mux = true; + dev_t.sync_read = true; if (onenand_flags & ONENAND_FLAG_SYNCWRITE) { - t.adv_wr_off = t.adv_rd_off; - t.we_on = 0; - t.we_off = t.cs_rd_off; - t.cs_wr_off = t.cs_rd_off; - t.wr_cycle = t.rd_cycle; - if (cpu_is_omap34xx()) { - t.wr_data_mux_bus = gpmc_ticks_to_ns(fclk_offset + - gpmc_ps_to_ticks(min_gpmc_clk_period + - t_rdyo * 1000)); - t.wr_access = t.access; - } + dev_t.sync_write = true; } else { - t.adv_wr_off = gpmc_round_ns_to_ticks(max_t(int, - t_avdp, t_cer)); - t.we_on = t.adv_wr_off + gpmc_round_ns_to_ticks(t_aavdh); - t.we_off = t.we_on + gpmc_round_ns_to_ticks(t_wpl); - t.cs_wr_off = t.we_off + gpmc_round_ns_to_ticks(t_wph); - t.wr_cycle = t.cs_wr_off + gpmc_round_ns_to_ticks(t_cez); - if (cpu_is_omap34xx()) { - t.wr_data_mux_bus = t.we_on; - t.wr_access = t.we_on + gpmc_round_ns_to_ticks(t_ds); - } + dev_t.t_avdp_w = max(t_avdp, t_cer) * 1000; + dev_t.t_wpl = t_wpl * 1000; + dev_t.t_wph = t_wph * 1000; + dev_t.t_aavdh = t_aavdh * 1000; } + dev_t.ce_xdelay = true; + dev_t.avd_xdelay = true; + dev_t.oe_xdelay = true; + dev_t.we_xdelay = true; + dev_t.clk = min_gpmc_clk_period; + dev_t.t_bacc = dev_t.clk; + dev_t.t_ces = t_ces * 1000; + dev_t.t_avds = t_avds * 1000; + dev_t.t_avdh = t_avdh * 1000; + dev_t.t_ach = t_ach * 1000; + dev_t.cyc_iaa = (latency + 1); + dev_t.t_cez_r = t_cez * 1000; + dev_t.t_cez_w = dev_t.t_cez_r; + dev_t.cyc_aavdh_oe = 1; + dev_t.t_rdyo = t_rdyo * 1000 + min_gpmc_clk_period; + + gpmc_calc_timings(&t, &dev_t); return t; } @@ -338,7 +282,6 @@ static int gpmc_set_sync_mode(int cs, struct gpmc_timings *t) (sync_read ? GPMC_CONFIG1_READTYPE_SYNC : 0) | (sync_write ? GPMC_CONFIG1_WRITEMULTIPLE_SUPP : 0) | (sync_write ? GPMC_CONFIG1_WRITETYPE_SYNC : 0) | - GPMC_CONFIG1_CLKACTIVATIONTIME(fclk_offset) | GPMC_CONFIG1_PAGE_LEN(2) | (cpu_is_omap34xx() ? 0 : (GPMC_CONFIG1_WAIT_READ_MON | diff --git a/arch/arm/mach-omap2/gpmc-smc91x.c b/arch/arm/mach-omap2/gpmc-smc91x.c index 6eed907d594c..11d0b756f098 100644 --- a/arch/arm/mach-omap2/gpmc-smc91x.c +++ b/arch/arm/mach-omap2/gpmc-smc91x.c @@ -58,6 +58,7 @@ static struct platform_device gpmc_smc91x_device = { static int smc91c96_gpmc_retime(void) { struct gpmc_timings t; + struct gpmc_device_timings dev_t; const int t3 = 10; /* Figure 12.2 read and 12.4 write */ const int t4_r = 20; /* Figure 12.2 read */ const int t4_w = 5; /* Figure 12.4 write */ @@ -68,32 +69,6 @@ static int smc91c96_gpmc_retime(void) const int t20 = 185; /* Figure 12.2 read and 12.4 write */ u32 l; - memset(&t, 0, sizeof(t)); - - /* Read timings */ - t.cs_on = 0; - t.adv_on = t.cs_on; - t.oe_on = t.adv_on + t3; - t.access = t.oe_on + t5; - t.oe_off = t.access; - t.adv_rd_off = t.oe_off + max(t4_r, t6); - t.cs_rd_off = t.oe_off; - t.rd_cycle = t20 - t.oe_on; - - /* Write timings */ - t.we_on = t.adv_on + t3; - - if (cpu_is_omap34xx() && (gpmc_cfg->flags & GPMC_MUX_ADD_DATA)) { - t.wr_data_mux_bus = t.we_on; - t.we_off = t.wr_data_mux_bus + t7; - } else - t.we_off = t.we_on + t7; - if (cpu_is_omap34xx()) - t.wr_access = t.we_off; - t.adv_wr_off = t.we_off + max(t4_w, t8); - t.cs_wr_off = t.we_off + t4_w; - t.wr_cycle = t20 - t.we_on; - l = GPMC_CONFIG1_DEVICESIZE_16; if (gpmc_cfg->flags & GPMC_MUX_ADD_DATA) l |= GPMC_CONFIG1_MUXADDDATA; @@ -115,6 +90,22 @@ static int smc91c96_gpmc_retime(void) if (gpmc_cfg->flags & GPMC_MUX_ADD_DATA) return 0; + memset(&dev_t, 0, sizeof(dev_t)); + + dev_t.t_oeasu = t3 * 1000; + dev_t.t_oe = t5 * 1000; + dev_t.t_cez_r = t4_r * 1000; + dev_t.t_oez = t6 * 1000; + dev_t.t_rd_cycle = (t20 - t3) * 1000; + + dev_t.t_weasu = t3 * 1000; + dev_t.t_wpl = t7 * 1000; + dev_t.t_wph = t8 * 1000; + dev_t.t_cez_w = t4_w * 1000; + dev_t.t_wr_cycle = (t20 - t3) * 1000; + + gpmc_calc_timings(&t, &dev_t); + return gpmc_cs_set_timings(gpmc_cfg->cs, &t); } diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index bf6117c32f4b..65468f6d7f0e 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -74,6 +74,13 @@ #define GPMC_ECC_CTRL_ECCREG8 0x008 #define GPMC_ECC_CTRL_ECCREG9 0x009 +#define GPMC_CONFIG2_CSEXTRADELAY BIT(7) +#define GPMC_CONFIG3_ADVEXTRADELAY BIT(7) +#define GPMC_CONFIG4_OEEXTRADELAY BIT(7) +#define GPMC_CONFIG4_WEEXTRADELAY BIT(23) +#define GPMC_CONFIG6_CYCLE2CYCLEDIFFCSEN BIT(6) +#define GPMC_CONFIG6_CYCLE2CYCLESAMECSEN BIT(7) + #define GPMC_CS0_OFFSET 0x60 #define GPMC_CS_SIZE 0x30 #define GPMC_BCH_SIZE 0x10 @@ -223,6 +230,51 @@ unsigned int gpmc_round_ns_to_ticks(unsigned int time_ns) return ticks * gpmc_get_fclk_period() / 1000; } +static unsigned int gpmc_ticks_to_ps(unsigned int ticks) +{ + return ticks * gpmc_get_fclk_period(); +} + +static unsigned int gpmc_round_ps_to_ticks(unsigned int time_ps) +{ + unsigned long ticks = gpmc_ps_to_ticks(time_ps); + + return ticks * gpmc_get_fclk_period(); +} + +static inline void gpmc_cs_modify_reg(int cs, int reg, u32 mask, bool value) +{ + u32 l; + + l = gpmc_cs_read_reg(cs, reg); + if (value) + l |= mask; + else + l &= ~mask; + gpmc_cs_write_reg(cs, reg, l); +} + +static void gpmc_cs_bool_timings(int cs, const struct gpmc_bool_timings *p) +{ + gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG1, + GPMC_CONFIG1_TIME_PARA_GRAN, + p->time_para_granularity); + gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG2, + GPMC_CONFIG2_CSEXTRADELAY, p->cs_extra_delay); + gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG3, + GPMC_CONFIG3_ADVEXTRADELAY, p->adv_extra_delay); + gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG4, + GPMC_CONFIG4_OEEXTRADELAY, p->oe_extra_delay); + gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG4, + GPMC_CONFIG4_OEEXTRADELAY, p->we_extra_delay); + gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG6, + GPMC_CONFIG6_CYCLE2CYCLESAMECSEN, + p->cycle2cyclesamecsen); + gpmc_cs_modify_reg(cs, GPMC_CS_CONFIG6, + GPMC_CONFIG6_CYCLE2CYCLEDIFFCSEN, + p->cycle2cyclediffcsen); +} + #ifdef DEBUG static int set_gpmc_timing_reg(int cs, int reg, int st_bit, int end_bit, int time, const char *name) @@ -316,6 +368,12 @@ int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t) GPMC_SET_ONE(GPMC_CS_CONFIG5, 24, 27, page_burst_access); + GPMC_SET_ONE(GPMC_CS_CONFIG6, 0, 3, bus_turnaround); + GPMC_SET_ONE(GPMC_CS_CONFIG6, 8, 11, cycle2cycle_delay); + + GPMC_SET_ONE(GPMC_CS_CONFIG1, 18, 19, wait_monitoring); + GPMC_SET_ONE(GPMC_CS_CONFIG1, 25, 26, clk_activation); + if (gpmc_capability & GPMC_HAS_WR_DATA_MUX_BUS) GPMC_SET_ONE(GPMC_CS_CONFIG6, 16, 19, wr_data_mux_bus); if (gpmc_capability & GPMC_HAS_WR_ACCESS) @@ -335,6 +393,8 @@ int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t) gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, l); } + gpmc_cs_bool_timings(cs, &t->bool_timings); + return 0; } @@ -748,6 +808,319 @@ static int __devinit gpmc_mem_init(void) return 0; } +static u32 gpmc_round_ps_to_sync_clk(u32 time_ps, u32 sync_clk) +{ + u32 temp; + int div; + + div = gpmc_calc_divider(sync_clk); + temp = gpmc_ps_to_ticks(time_ps); + temp = (temp + div - 1) / div; + return gpmc_ticks_to_ps(temp * div); +} + +/* XXX: can the cycles be avoided ? */ +static int gpmc_calc_sync_read_timings(struct gpmc_timings *gpmc_t, + struct gpmc_device_timings *dev_t) +{ + bool mux = dev_t->mux; + u32 temp; + + /* adv_rd_off */ + temp = dev_t->t_avdp_r; + /* XXX: mux check required ? */ + if (mux) { + /* XXX: t_avdp not to be required for sync, only added for tusb + * this indirectly necessitates requirement of t_avdp_r and + * t_avdp_w instead of having a single t_avdp + */ + temp = max_t(u32, temp, gpmc_t->clk_activation + dev_t->t_avdh); + temp = max_t(u32, gpmc_t->adv_on + gpmc_ticks_to_ps(1), temp); + } + gpmc_t->adv_rd_off = gpmc_round_ps_to_ticks(temp); + + /* oe_on */ + temp = dev_t->t_oeasu; /* XXX: remove this ? */ + if (mux) { + temp = max_t(u32, temp, gpmc_t->clk_activation + dev_t->t_ach); + temp = max_t(u32, temp, gpmc_t->adv_rd_off + + gpmc_ticks_to_ps(dev_t->cyc_aavdh_oe)); + } + gpmc_t->oe_on = gpmc_round_ps_to_ticks(temp); + + /* access */ + /* XXX: any scope for improvement ?, by combining oe_on + * and clk_activation, need to check whether + * access = clk_activation + round to sync clk ? + */ + temp = max_t(u32, dev_t->t_iaa, dev_t->cyc_iaa * gpmc_t->sync_clk); + temp += gpmc_t->clk_activation; + if (dev_t->cyc_oe) + temp = max_t(u32, temp, gpmc_t->oe_on + + gpmc_ticks_to_ps(dev_t->cyc_oe)); + gpmc_t->access = gpmc_round_ps_to_ticks(temp); + + gpmc_t->oe_off = gpmc_t->access + gpmc_ticks_to_ps(1); + gpmc_t->cs_rd_off = gpmc_t->oe_off; + + /* rd_cycle */ + temp = max_t(u32, dev_t->t_cez_r, dev_t->t_oez); + temp = gpmc_round_ps_to_sync_clk(temp, gpmc_t->sync_clk) + + gpmc_t->access; + /* XXX: barter t_ce_rdyz with t_cez_r ? */ + if (dev_t->t_ce_rdyz) + temp = max_t(u32, temp, gpmc_t->cs_rd_off + dev_t->t_ce_rdyz); + gpmc_t->rd_cycle = gpmc_round_ps_to_ticks(temp); + + return 0; +} + +static int gpmc_calc_sync_write_timings(struct gpmc_timings *gpmc_t, + struct gpmc_device_timings *dev_t) +{ + bool mux = dev_t->mux; + u32 temp; + + /* adv_wr_off */ + temp = dev_t->t_avdp_w; + if (mux) { + temp = max_t(u32, temp, + gpmc_t->clk_activation + dev_t->t_avdh); + temp = max_t(u32, gpmc_t->adv_on + gpmc_ticks_to_ps(1), temp); + } + gpmc_t->adv_wr_off = gpmc_round_ps_to_ticks(temp); + + /* wr_data_mux_bus */ + temp = max_t(u32, dev_t->t_weasu, + gpmc_t->clk_activation + dev_t->t_rdyo); + /* XXX: shouldn't mux be kept as a whole for wr_data_mux_bus ?, + * and in that case remember to handle we_on properly + */ + if (mux) { + temp = max_t(u32, temp, + gpmc_t->adv_wr_off + dev_t->t_aavdh); + temp = max_t(u32, temp, gpmc_t->adv_wr_off + + gpmc_ticks_to_ps(dev_t->cyc_aavdh_we)); + } + gpmc_t->wr_data_mux_bus = gpmc_round_ps_to_ticks(temp); + + /* we_on */ + if (gpmc_capability & GPMC_HAS_WR_DATA_MUX_BUS) + gpmc_t->we_on = gpmc_round_ps_to_ticks(dev_t->t_weasu); + else + gpmc_t->we_on = gpmc_t->wr_data_mux_bus; + + /* wr_access */ + /* XXX: gpmc_capability check reqd ? , even if not, will not harm */ + gpmc_t->wr_access = gpmc_t->access; + + /* we_off */ + temp = gpmc_t->we_on + dev_t->t_wpl; + temp = max_t(u32, temp, + gpmc_t->wr_access + gpmc_ticks_to_ps(1)); + temp = max_t(u32, temp, + gpmc_t->we_on + gpmc_ticks_to_ps(dev_t->cyc_wpl)); + gpmc_t->we_off = gpmc_round_ps_to_ticks(temp); + + gpmc_t->cs_wr_off = gpmc_round_ps_to_ticks(gpmc_t->we_off + + dev_t->t_wph); + + /* wr_cycle */ + temp = gpmc_round_ps_to_sync_clk(dev_t->t_cez_w, gpmc_t->sync_clk); + temp += gpmc_t->wr_access; + /* XXX: barter t_ce_rdyz with t_cez_w ? */ + if (dev_t->t_ce_rdyz) + temp = max_t(u32, temp, + gpmc_t->cs_wr_off + dev_t->t_ce_rdyz); + gpmc_t->wr_cycle = gpmc_round_ps_to_ticks(temp); + + return 0; +} + +static int gpmc_calc_async_read_timings(struct gpmc_timings *gpmc_t, + struct gpmc_device_timings *dev_t) +{ + bool mux = dev_t->mux; + u32 temp; + + /* adv_rd_off */ + temp = dev_t->t_avdp_r; + if (mux) + temp = max_t(u32, gpmc_t->adv_on + gpmc_ticks_to_ps(1), temp); + gpmc_t->adv_rd_off = gpmc_round_ps_to_ticks(temp); + + /* oe_on */ + temp = dev_t->t_oeasu; + if (mux) + temp = max_t(u32, temp, + gpmc_t->adv_rd_off + dev_t->t_aavdh); + gpmc_t->oe_on = gpmc_round_ps_to_ticks(temp); + + /* access */ + temp = max_t(u32, dev_t->t_iaa, /* XXX: remove t_iaa in async ? */ + gpmc_t->oe_on + dev_t->t_oe); + temp = max_t(u32, temp, + gpmc_t->cs_on + dev_t->t_ce); + temp = max_t(u32, temp, + gpmc_t->adv_on + dev_t->t_aa); + gpmc_t->access = gpmc_round_ps_to_ticks(temp); + + gpmc_t->oe_off = gpmc_t->access + gpmc_ticks_to_ps(1); + gpmc_t->cs_rd_off = gpmc_t->oe_off; + + /* rd_cycle */ + temp = max_t(u32, dev_t->t_rd_cycle, + gpmc_t->cs_rd_off + dev_t->t_cez_r); + temp = max_t(u32, temp, gpmc_t->oe_off + dev_t->t_oez); + gpmc_t->rd_cycle = gpmc_round_ps_to_ticks(temp); + + return 0; +} + +static int gpmc_calc_async_write_timings(struct gpmc_timings *gpmc_t, + struct gpmc_device_timings *dev_t) +{ + bool mux = dev_t->mux; + u32 temp; + + /* adv_wr_off */ + temp = dev_t->t_avdp_w; + if (mux) + temp = max_t(u32, gpmc_t->adv_on + gpmc_ticks_to_ps(1), temp); + gpmc_t->adv_wr_off = gpmc_round_ps_to_ticks(temp); + + /* wr_data_mux_bus */ + temp = dev_t->t_weasu; + if (mux) { + temp = max_t(u32, temp, gpmc_t->adv_wr_off + dev_t->t_aavdh); + temp = max_t(u32, temp, gpmc_t->adv_wr_off + + gpmc_ticks_to_ps(dev_t->cyc_aavdh_we)); + } + gpmc_t->wr_data_mux_bus = gpmc_round_ps_to_ticks(temp); + + /* we_on */ + if (gpmc_capability & GPMC_HAS_WR_DATA_MUX_BUS) + gpmc_t->we_on = gpmc_round_ps_to_ticks(dev_t->t_weasu); + else + gpmc_t->we_on = gpmc_t->wr_data_mux_bus; + + /* we_off */ + temp = gpmc_t->we_on + dev_t->t_wpl; + gpmc_t->we_off = gpmc_round_ps_to_ticks(temp); + + gpmc_t->cs_wr_off = gpmc_round_ps_to_ticks(gpmc_t->we_off + + dev_t->t_wph); + + /* wr_cycle */ + temp = max_t(u32, dev_t->t_wr_cycle, + gpmc_t->cs_wr_off + dev_t->t_cez_w); + gpmc_t->wr_cycle = gpmc_round_ps_to_ticks(temp); + + return 0; +} + +static int gpmc_calc_sync_common_timings(struct gpmc_timings *gpmc_t, + struct gpmc_device_timings *dev_t) +{ + u32 temp; + + gpmc_t->sync_clk = gpmc_calc_divider(dev_t->clk) * + gpmc_get_fclk_period(); + + gpmc_t->page_burst_access = gpmc_round_ps_to_sync_clk( + dev_t->t_bacc, + gpmc_t->sync_clk); + + temp = max_t(u32, dev_t->t_ces, dev_t->t_avds); + gpmc_t->clk_activation = gpmc_round_ps_to_ticks(temp); + + if (gpmc_calc_divider(gpmc_t->sync_clk) != 1) + return 0; + + if (dev_t->ce_xdelay) + gpmc_t->bool_timings.cs_extra_delay = true; + if (dev_t->avd_xdelay) + gpmc_t->bool_timings.adv_extra_delay = true; + if (dev_t->oe_xdelay) + gpmc_t->bool_timings.oe_extra_delay = true; + if (dev_t->we_xdelay) + gpmc_t->bool_timings.we_extra_delay = true; + + return 0; +} + +static int gpmc_calc_common_timings(struct gpmc_timings *gpmc_t, + struct gpmc_device_timings *dev_t) +{ + u32 temp; + + /* cs_on */ + gpmc_t->cs_on = gpmc_round_ps_to_ticks(dev_t->t_ceasu); + + /* adv_on */ + temp = dev_t->t_avdasu; + if (dev_t->t_ce_avd) + temp = max_t(u32, temp, + gpmc_t->cs_on + dev_t->t_ce_avd); + gpmc_t->adv_on = gpmc_round_ps_to_ticks(temp); + + if (dev_t->sync_write || dev_t->sync_read) + gpmc_calc_sync_common_timings(gpmc_t, dev_t); + + return 0; +} + +/* TODO: remove this function once all peripherals are confirmed to + * work with generic timing. Simultaneously gpmc_cs_set_timings() + * has to be modified to handle timings in ps instead of ns +*/ +static void gpmc_convert_ps_to_ns(struct gpmc_timings *t) +{ + t->cs_on /= 1000; + t->cs_rd_off /= 1000; + t->cs_wr_off /= 1000; + t->adv_on /= 1000; + t->adv_rd_off /= 1000; + t->adv_wr_off /= 1000; + t->we_on /= 1000; + t->we_off /= 1000; + t->oe_on /= 1000; + t->oe_off /= 1000; + t->page_burst_access /= 1000; + t->access /= 1000; + t->rd_cycle /= 1000; + t->wr_cycle /= 1000; + t->bus_turnaround /= 1000; + t->cycle2cycle_delay /= 1000; + t->wait_monitoring /= 1000; + t->clk_activation /= 1000; + t->wr_access /= 1000; + t->wr_data_mux_bus /= 1000; +} + +int gpmc_calc_timings(struct gpmc_timings *gpmc_t, + struct gpmc_device_timings *dev_t) +{ + memset(gpmc_t, 0, sizeof(*gpmc_t)); + + gpmc_calc_common_timings(gpmc_t, dev_t); + + if (dev_t->sync_read) + gpmc_calc_sync_read_timings(gpmc_t, dev_t); + else + gpmc_calc_async_read_timings(gpmc_t, dev_t); + + if (dev_t->sync_write) + gpmc_calc_sync_write_timings(gpmc_t, dev_t); + else + gpmc_calc_async_write_timings(gpmc_t, dev_t); + + /* TODO: remove, see function definition */ + gpmc_convert_ps_to_ns(gpmc_t); + + return 0; +} + static __devinit int gpmc_probe(struct platform_device *pdev) { int rc; diff --git a/arch/arm/mach-omap2/gpmc.h b/arch/arm/mach-omap2/gpmc.h index 79f4dfc2adb3..fe0a844d5007 100644 --- a/arch/arm/mach-omap2/gpmc.h +++ b/arch/arm/mach-omap2/gpmc.h @@ -74,6 +74,17 @@ #define GPMC_IRQ_COUNT_EVENT 0x02 +/* bool type time settings */ +struct gpmc_bool_timings { + bool cycle2cyclediffcsen; + bool cycle2cyclesamecsen; + bool we_extra_delay; + bool oe_extra_delay; + bool adv_extra_delay; + bool cs_extra_delay; + bool time_para_granularity; +}; + /* * Note that all values in this struct are in nanoseconds except sync_clk * (which is in picoseconds), while the register values are in gpmc_fck cycles. @@ -83,34 +94,104 @@ struct gpmc_timings { u32 sync_clk; /* Chip-select signal timings corresponding to GPMC_CS_CONFIG2 */ - u16 cs_on; /* Assertion time */ - u16 cs_rd_off; /* Read deassertion time */ - u16 cs_wr_off; /* Write deassertion time */ + u32 cs_on; /* Assertion time */ + u32 cs_rd_off; /* Read deassertion time */ + u32 cs_wr_off; /* Write deassertion time */ /* ADV signal timings corresponding to GPMC_CONFIG3 */ - u16 adv_on; /* Assertion time */ - u16 adv_rd_off; /* Read deassertion time */ - u16 adv_wr_off; /* Write deassertion time */ + u32 adv_on; /* Assertion time */ + u32 adv_rd_off; /* Read deassertion time */ + u32 adv_wr_off; /* Write deassertion time */ /* WE signals timings corresponding to GPMC_CONFIG4 */ - u16 we_on; /* WE assertion time */ - u16 we_off; /* WE deassertion time */ + u32 we_on; /* WE assertion time */ + u32 we_off; /* WE deassertion time */ /* OE signals timings corresponding to GPMC_CONFIG4 */ - u16 oe_on; /* OE assertion time */ - u16 oe_off; /* OE deassertion time */ + u32 oe_on; /* OE assertion time */ + u32 oe_off; /* OE deassertion time */ /* Access time and cycle time timings corresponding to GPMC_CONFIG5 */ - u16 page_burst_access; /* Multiple access word delay */ - u16 access; /* Start-cycle to first data valid delay */ - u16 rd_cycle; /* Total read cycle time */ - u16 wr_cycle; /* Total write cycle time */ + u32 page_burst_access; /* Multiple access word delay */ + u32 access; /* Start-cycle to first data valid delay */ + u32 rd_cycle; /* Total read cycle time */ + u32 wr_cycle; /* Total write cycle time */ + + u32 bus_turnaround; + u32 cycle2cycle_delay; + + u32 wait_monitoring; + u32 clk_activation; /* The following are only on OMAP3430 */ - u16 wr_access; /* WRACCESSTIME */ - u16 wr_data_mux_bus; /* WRDATAONADMUXBUS */ + u32 wr_access; /* WRACCESSTIME */ + u32 wr_data_mux_bus; /* WRDATAONADMUXBUS */ + + struct gpmc_bool_timings bool_timings; +}; + +/* Device timings in picoseconds */ +struct gpmc_device_timings { + u32 t_ceasu; /* address setup to CS valid */ + u32 t_avdasu; /* address setup to ADV valid */ + /* XXX: try to combine t_avdp_r & t_avdp_w. Issue is + * of tusb using these timings even for sync whilst + * ideally for adv_rd/(wr)_off it should have considered + * t_avdh instead. This indirectly necessitates r/w + * variations of t_avdp as it is possible to have one + * sync & other async + */ + u32 t_avdp_r; /* ADV low time (what about t_cer ?) */ + u32 t_avdp_w; + u32 t_aavdh; /* address hold time */ + u32 t_oeasu; /* address setup to OE valid */ + u32 t_aa; /* access time from ADV assertion */ + u32 t_iaa; /* initial access time */ + u32 t_oe; /* access time from OE assertion */ + u32 t_ce; /* access time from CS asertion */ + u32 t_rd_cycle; /* read cycle time */ + u32 t_cez_r; /* read CS deassertion to high Z */ + u32 t_cez_w; /* write CS deassertion to high Z */ + u32 t_oez; /* OE deassertion to high Z */ + u32 t_weasu; /* address setup to WE valid */ + u32 t_wpl; /* write assertion time */ + u32 t_wph; /* write deassertion time */ + u32 t_wr_cycle; /* write cycle time */ + + u32 clk; + u32 t_bacc; /* burst access valid clock to output delay */ + u32 t_ces; /* CS setup time to clk */ + u32 t_avds; /* ADV setup time to clk */ + u32 t_avdh; /* ADV hold time from clk */ + u32 t_ach; /* address hold time from clk */ + u32 t_rdyo; /* clk to ready valid */ + + u32 t_ce_rdyz; /* XXX: description ?, or use t_cez instead */ + u32 t_ce_avd; /* CS on to ADV on delay */ + + /* XXX: check the possibility of combining + * cyc_aavhd_oe & cyc_aavdh_we + */ + u8 cyc_aavdh_oe;/* read address hold time in cycles */ + u8 cyc_aavdh_we;/* write address hold time in cycles */ + u8 cyc_oe; /* access time from OE assertion in cycles */ + u8 cyc_wpl; /* write deassertion time in cycles */ + u32 cyc_iaa; /* initial access time in cycles */ + + bool mux; /* address & data muxed */ + bool sync_write;/* synchronous write */ + bool sync_read; /* synchronous read */ + + /* extra delays */ + bool ce_xdelay; + bool avd_xdelay; + bool oe_xdelay; + bool we_xdelay; }; +extern int gpmc_calc_timings(struct gpmc_timings *gpmc_t, + struct gpmc_device_timings *dev_t); + extern void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs); extern int gpmc_get_client_irq(unsigned irq_config); diff --git a/arch/arm/mach-omap2/usb-tusb6010.c b/arch/arm/mach-omap2/usb-tusb6010.c index a8795ff19e6d..c5a3c6f9504e 100644 --- a/arch/arm/mach-omap2/usb-tusb6010.c +++ b/arch/arm/mach-omap2/usb-tusb6010.c @@ -27,180 +27,88 @@ static u8 async_cs, sync_cs; static unsigned refclk_psec; -/* t2_ps, when quantized to fclk units, must happen no earlier than - * the clock after after t1_NS. - * - * Return a possibly updated value of t2_ps, converted to nsec. - */ -static unsigned -next_clk(unsigned t1_NS, unsigned t2_ps, unsigned fclk_ps) -{ - unsigned t1_ps = t1_NS * 1000; - unsigned t1_f, t2_f; - - if ((t1_ps + fclk_ps) < t2_ps) - return t2_ps / 1000; - - t1_f = (t1_ps + fclk_ps - 1) / fclk_ps; - t2_f = (t2_ps + fclk_ps - 1) / fclk_ps; - - if (t1_f >= t2_f) - t2_f = t1_f + 1; - - return (t2_f * fclk_ps) / 1000; -} - /* NOTE: timings are from tusb 6010 datasheet Rev 1.8, 12-Sept 2006 */ -static int tusb_set_async_mode(unsigned sysclk_ps, unsigned fclk_ps) +static int tusb_set_async_mode(unsigned sysclk_ps) { + struct gpmc_device_timings dev_t; struct gpmc_timings t; unsigned t_acsnh_advnh = sysclk_ps + 3000; - unsigned tmp; - - memset(&t, 0, sizeof(t)); - - /* CS_ON = t_acsnh_acsnl */ - t.cs_on = 8; - /* ADV_ON = t_acsnh_advnh - t_advn */ - t.adv_on = next_clk(t.cs_on, t_acsnh_advnh - 7000, fclk_ps); - - /* - * READ ... from omap2420 TRM fig 12-13 - */ - - /* ADV_RD_OFF = t_acsnh_advnh */ - t.adv_rd_off = next_clk(t.adv_on, t_acsnh_advnh, fclk_ps); - - /* OE_ON = t_acsnh_advnh + t_advn_oen (then wait for nRDY) */ - t.oe_on = next_clk(t.adv_on, t_acsnh_advnh + 1000, fclk_ps); - - /* ACCESS = counters continue only after nRDY */ - tmp = t.oe_on * 1000 + 300; - t.access = next_clk(t.oe_on, tmp, fclk_ps); - - /* OE_OFF = after data gets sampled */ - tmp = t.access * 1000; - t.oe_off = next_clk(t.access, tmp, fclk_ps); - - t.cs_rd_off = t.oe_off; - - tmp = t.cs_rd_off * 1000 + 7000 /* t_acsn_rdy_z */; - t.rd_cycle = next_clk(t.cs_rd_off, tmp, fclk_ps); - - /* - * WRITE ... from omap2420 TRM fig 12-15 - */ - - /* ADV_WR_OFF = t_acsnh_advnh */ - t.adv_wr_off = t.adv_rd_off; - /* WE_ON = t_acsnh_advnh + t_advn_wen (then wait for nRDY) */ - t.we_on = next_clk(t.adv_wr_off, t_acsnh_advnh + 1000, fclk_ps); + memset(&dev_t, 0, sizeof(dev_t)); - /* WE_OFF = after data gets sampled */ - tmp = t.we_on * 1000 + 300; - t.we_off = next_clk(t.we_on, tmp, fclk_ps); + dev_t.mux = true; - t.cs_wr_off = t.we_off; + dev_t.t_ceasu = 8 * 1000; + dev_t.t_avdasu = t_acsnh_advnh - 7000; + dev_t.t_ce_avd = 1000; + dev_t.t_avdp_r = t_acsnh_advnh; + dev_t.t_oeasu = t_acsnh_advnh + 1000; + dev_t.t_oe = 300; + dev_t.t_cez_r = 7000; + dev_t.t_cez_w = dev_t.t_cez_r; + dev_t.t_avdp_w = t_acsnh_advnh; + dev_t.t_weasu = t_acsnh_advnh + 1000; + dev_t.t_wpl = 300; + dev_t.cyc_aavdh_we = 1; - tmp = t.cs_wr_off * 1000 + 7000 /* t_acsn_rdy_z */; - t.wr_cycle = next_clk(t.cs_wr_off, tmp, fclk_ps); + gpmc_calc_timings(&t, &dev_t); return gpmc_cs_set_timings(async_cs, &t); } -static int tusb_set_sync_mode(unsigned sysclk_ps, unsigned fclk_ps) +static int tusb_set_sync_mode(unsigned sysclk_ps) { + struct gpmc_device_timings dev_t; struct gpmc_timings t; unsigned t_scsnh_advnh = sysclk_ps + 3000; - unsigned tmp; - - memset(&t, 0, sizeof(t)); - t.cs_on = 8; - - /* ADV_ON = t_acsnh_advnh - t_advn */ - t.adv_on = next_clk(t.cs_on, t_scsnh_advnh - 7000, fclk_ps); - - /* GPMC_CLK rate = fclk rate / div */ - t.sync_clk = 11100 /* 11.1 nsec */; - tmp = (t.sync_clk + fclk_ps - 1) / fclk_ps; - if (tmp > 4) - return -ERANGE; - if (tmp == 0) - tmp = 1; - t.page_burst_access = (fclk_ps * tmp) / 1000; - - /* - * READ ... based on omap2420 TRM fig 12-19, 12-20 - */ - - /* ADV_RD_OFF = t_scsnh_advnh */ - t.adv_rd_off = next_clk(t.adv_on, t_scsnh_advnh, fclk_ps); - - /* OE_ON = t_scsnh_advnh + t_advn_oen * fclk_ps (then wait for nRDY) */ - tmp = (t.adv_rd_off * 1000) + (3 * fclk_ps); - t.oe_on = next_clk(t.adv_on, tmp, fclk_ps); - - /* ACCESS = number of clock cycles after t_adv_eon */ - tmp = (t.oe_on * 1000) + (5 * fclk_ps); - t.access = next_clk(t.oe_on, tmp, fclk_ps); - /* OE_OFF = after data gets sampled */ - tmp = (t.access * 1000) + (1 * fclk_ps); - t.oe_off = next_clk(t.access, tmp, fclk_ps); - - t.cs_rd_off = t.oe_off; - - tmp = t.cs_rd_off * 1000 + 7000 /* t_scsn_rdy_z */; - t.rd_cycle = next_clk(t.cs_rd_off, tmp, fclk_ps); - - /* - * WRITE ... based on omap2420 TRM fig 12-21 - */ - - /* ADV_WR_OFF = t_scsnh_advnh */ - t.adv_wr_off = t.adv_rd_off; - - /* WE_ON = t_scsnh_advnh + t_advn_wen * fclk_ps (then wait for nRDY) */ - tmp = (t.adv_wr_off * 1000) + (3 * fclk_ps); - t.we_on = next_clk(t.adv_wr_off, tmp, fclk_ps); - - /* WE_OFF = number of clock cycles after t_adv_wen */ - tmp = (t.we_on * 1000) + (6 * fclk_ps); - t.we_off = next_clk(t.we_on, tmp, fclk_ps); - - t.cs_wr_off = t.we_off; - - tmp = t.cs_wr_off * 1000 + 7000 /* t_scsn_rdy_z */; - t.wr_cycle = next_clk(t.cs_wr_off, tmp, fclk_ps); + memset(&dev_t, 0, sizeof(dev_t)); + + dev_t.mux = true; + dev_t.sync_read = true; + dev_t.sync_write = true; + + dev_t.clk = 11100; + dev_t.t_bacc = 1000; + dev_t.t_ces = 1000; + dev_t.t_ceasu = 8 * 1000; + dev_t.t_avdasu = t_scsnh_advnh - 7000; + dev_t.t_ce_avd = 1000; + dev_t.t_avdp_r = t_scsnh_advnh; + dev_t.cyc_aavdh_oe = 3; + dev_t.cyc_oe = 5; + dev_t.t_ce_rdyz = 7000; + dev_t.t_avdp_w = t_scsnh_advnh; + dev_t.cyc_aavdh_we = 3; + dev_t.cyc_wpl = 6; + dev_t.t_ce_rdyz = 7000; + + gpmc_calc_timings(&t, &dev_t); return gpmc_cs_set_timings(sync_cs, &t); } -extern unsigned long gpmc_get_fclk_period(void); - /* tusb driver calls this when it changes the chip's clocking */ int tusb6010_platform_retime(unsigned is_refclk) { static const char error[] = KERN_ERR "tusb6010 %s retime error %d\n"; - unsigned fclk_ps = gpmc_get_fclk_period(); unsigned sysclk_ps; int status; - if (!refclk_psec || fclk_ps == 0) + if (!refclk_psec) return -ENODEV; sysclk_ps = is_refclk ? refclk_psec : TUSB6010_OSCCLK_60; - status = tusb_set_async_mode(sysclk_ps, fclk_ps); + status = tusb_set_async_mode(sysclk_ps); if (status < 0) { printk(error, "async", status); goto done; } - status = tusb_set_sync_mode(sysclk_ps, fclk_ps); + status = tusb_set_sync_mode(sysclk_ps); if (status < 0) printk(error, "sync", status); done: @@ -284,7 +192,6 @@ tusb6010_setup_interface(struct musb_hdrc_platform_data *data, | GPMC_CONFIG1_READTYPE_SYNC | GPMC_CONFIG1_WRITEMULTIPLE_SUPP | GPMC_CONFIG1_WRITETYPE_SYNC - | GPMC_CONFIG1_CLKACTIVATIONTIME(1) | GPMC_CONFIG1_PAGE_LEN(2) | GPMC_CONFIG1_WAIT_READ_MON | GPMC_CONFIG1_WAIT_WRITE_MON diff --git a/arch/arm/mach-ux500/board-mop500-pins.c b/arch/arm/mach-ux500/board-mop500-pins.c index c34d4efd0d5c..0a3f30df1eb8 100644 --- a/arch/arm/mach-ux500/board-mop500-pins.c +++ b/arch/arm/mach-ux500/board-mop500-pins.c @@ -33,8 +33,6 @@ BIAS(in_nopull, PIN_INPUT_NOPULL); BIAS(in_nopull_slpm_nowkup, PIN_INPUT_NOPULL|PIN_SLPM_WAKEUP_DISABLE); BIAS(in_pu, PIN_INPUT_PULLUP); BIAS(in_pd, PIN_INPUT_PULLDOWN); -BIAS(in_pd_slpm_in_pu, PIN_INPUT_PULLDOWN|PIN_SLPM_INPUT_PULLUP); -BIAS(in_pu_slpm_out_lo, PIN_INPUT_PULLUP|PIN_SLPM_OUTPUT_LOW); BIAS(out_hi, PIN_OUTPUT_HIGH); BIAS(out_lo, PIN_OUTPUT_LOW); BIAS(out_lo_slpm_nowkup, PIN_OUTPUT_LOW|PIN_SLPM_WAKEUP_DISABLE); @@ -46,14 +44,34 @@ BIAS(gpio_in_pd_slpm_gpio_nopull, PIN_INPUT_PULLDOWN|PIN_GPIOMODE_ENABLED|PIN_SL BIAS(gpio_out_hi, PIN_OUTPUT_HIGH|PIN_GPIOMODE_ENABLED); BIAS(gpio_out_lo, PIN_OUTPUT_LOW|PIN_GPIOMODE_ENABLED); /* Sleep modes */ -BIAS(slpm_in_wkup_pdis, PIN_SLEEPMODE_ENABLED|PIN_SLPM_DIR_INPUT|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); -BIAS(slpm_in_nopull_wkup, PIN_SLEEPMODE_ENABLED|PIN_SLPM_DIR_INPUT|PIN_SLPM_PULL_NONE|PIN_SLPM_WAKEUP_ENABLE); -BIAS(slpm_wkup_pdis, PIN_SLEEPMODE_ENABLED|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); -BIAS(slpm_out_hi_wkup_pdis, PIN_SLEEPMODE_ENABLED|PIN_SLPM_OUTPUT_HIGH|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); -BIAS(slpm_out_wkup_pdis, PIN_SLEEPMODE_ENABLED|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); -BIAS(slpm_out_lo_wkup, PIN_SLEEPMODE_ENABLED|PIN_SLPM_OUTPUT_LOW|PIN_SLPM_WAKEUP_ENABLE); -BIAS(slpm_out_lo_wkup_pdis, PIN_SLEEPMODE_ENABLED|PIN_SLPM_OUTPUT_LOW|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); -BIAS(slpm_in_nopull_wkup_pdis, PIN_SLEEPMODE_ENABLED|PIN_SLPM_INPUT_NOPULL|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); +BIAS(slpm_in_nopull_wkup, PIN_SLEEPMODE_ENABLED| + PIN_SLPM_DIR_INPUT|PIN_SLPM_PULL_NONE|PIN_SLPM_WAKEUP_ENABLE); +BIAS(slpm_in_wkup_pdis, PIN_SLEEPMODE_ENABLED| + PIN_SLPM_DIR_INPUT|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); +BIAS(slpm_wkup_pdis, PIN_SLEEPMODE_ENABLED| + PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); +BIAS(slpm_out_lo_pdis, PIN_SLEEPMODE_ENABLED| + PIN_SLPM_OUTPUT_LOW|PIN_SLPM_WAKEUP_DISABLE|PIN_SLPM_PDIS_DISABLED); +BIAS(slpm_out_lo_wkup, PIN_SLEEPMODE_ENABLED| + PIN_SLPM_OUTPUT_LOW|PIN_SLPM_WAKEUP_ENABLE); +BIAS(slpm_out_lo_wkup_pdis, PIN_SLEEPMODE_ENABLED| + PIN_SLPM_OUTPUT_LOW|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); +BIAS(slpm_out_hi_wkup_pdis, PIN_SLEEPMODE_ENABLED|PIN_SLPM_OUTPUT_HIGH| + PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); +BIAS(slpm_in_nopull_wkup_pdis, PIN_SLEEPMODE_ENABLED| + PIN_SLPM_INPUT_NOPULL|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); +BIAS(slpm_in_pu_wkup_pdis_en, PIN_SLEEPMODE_ENABLED|PIN_SLPM_INPUT_PULLUP| + PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_ENABLED); +BIAS(slpm_out_wkup_pdis, PIN_SLEEPMODE_ENABLED| + PIN_SLPM_DIR_OUTPUT|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); +BIAS(out_lo_wkup_pdis, PIN_SLPM_OUTPUT_LOW| + PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED); +BIAS(in_wkup_pdis_en, PIN_SLPM_DIR_INPUT|PIN_SLPM_WAKEUP_ENABLE| + PIN_SLPM_PDIS_ENABLED); +BIAS(in_wkup_pdis, PIN_SLPM_DIR_INPUT|PIN_SLPM_WAKEUP_ENABLE| + PIN_SLPM_PDIS_DISABLED); +BIAS(out_wkup_pdis, PIN_SLPM_DIR_OUTPUT|PIN_SLPM_WAKEUP_ENABLE| + PIN_SLPM_PDIS_DISABLED); /* We use these to define hog settings that are always done on boot */ #define DB8500_MUX_HOG(group,func) \ @@ -69,13 +87,16 @@ BIAS(slpm_in_nopull_wkup_pdis, PIN_SLEEPMODE_ENABLED|PIN_SLPM_INPUT_NOPULL|PIN_S PIN_MAP_MUX_GROUP_DEFAULT(dev, "pinctrl-db8500", group, func) #define DB8500_PIN(pin,conf,dev) \ PIN_MAP_CONFIGS_PIN_DEFAULT(dev, "pinctrl-db8500", pin, conf) -#define DB8500_PIN_SLEEP(pin, conf, dev) \ - PIN_MAP_CONFIGS_PIN(dev, PINCTRL_STATE_SLEEP, "pinctrl-db8500", \ +#define DB8500_PIN_IDLE(pin, conf, dev) \ + PIN_MAP_CONFIGS_PIN(dev, PINCTRL_STATE_IDLE, "pinctrl-db8500", \ pin, conf) - -#define DB8500_PIN_SLEEP(pin,conf,dev) \ +#define DB8500_PIN_SLEEP(pin, conf, dev) \ PIN_MAP_CONFIGS_PIN(dev, PINCTRL_STATE_SLEEP, "pinctrl-db8500", \ pin, conf) +#define DB8500_MUX_STATE(group, func, dev, state) \ + PIN_MAP_MUX_GROUP(dev, state, "pinctrl-db8500", group, func) +#define DB8500_PIN_STATE(pin, conf, dev, state) \ + PIN_MAP_CONFIGS_PIN(dev, state, "pinctrl-db8500", pin, conf) /* Pin control settings */ static struct pinctrl_map __initdata mop500_family_pinmap[] = { @@ -112,7 +133,7 @@ static struct pinctrl_map __initdata mop500_family_pinmap[] = { * UART0, we do not mux in u0 here. * uart-0 pins gpio configuration should be kept intact to prevent * a glitch in tx line when the tty dev is opened. Later these pins - * are configured to uart mop500_pins_uart0 + * are configured by uart driver */ DB8500_PIN_HOG("GPIO0_AJ5", in_pu), /* CTS */ DB8500_PIN_HOG("GPIO1_AJ3", out_hi), /* RTS */ @@ -123,12 +144,13 @@ static struct pinctrl_map __initdata mop500_family_pinmap[] = { * TODO: is this used on U8500 variants and Snowball really? * The setting on GPIO31 conflicts with magnetometer use on hrefv60 */ - DB8500_MUX_HOG("u2rxtx_c_1", "u2"), - DB8500_MUX_HOG("u2ctsrts_c_1", "u2"), - DB8500_PIN_HOG("GPIO29_W2", in_pu), /* RXD */ - DB8500_PIN_HOG("GPIO30_W3", out_hi), /* TXD */ - DB8500_PIN_HOG("GPIO31_V3", in_pu), /* CTS */ - DB8500_PIN_HOG("GPIO32_V2", out_hi), /* RTS */ + /* default state for UART2 */ + DB8500_MUX("u2rxtx_c_1", "u2", "uart2"), + DB8500_PIN("GPIO29_W2", in_pu, "uart2"), /* RXD */ + DB8500_PIN("GPIO30_W3", out_hi, "uart2"), /* TXD */ + /* Sleep state for UART2 */ + DB8500_PIN_SLEEP("GPIO29_W2", in_wkup_pdis, "uart2"), + DB8500_PIN_SLEEP("GPIO30_W3", out_wkup_pdis, "uart2"), /* * The following pin sets were known as "runtime pins" before being * converted to the pinctrl model. Here we model them as "default" @@ -140,11 +162,18 @@ static struct pinctrl_map __initdata mop500_family_pinmap[] = { DB8500_PIN("GPIO1_AJ3", out_hi, "uart0"), /* RTS */ DB8500_PIN("GPIO2_AH4", in_pu, "uart0"), /* RXD */ DB8500_PIN("GPIO3_AH3", out_hi, "uart0"), /* TXD */ - /* UART0 sleep state */ + /* Sleep state for UART0 */ DB8500_PIN_SLEEP("GPIO0_AJ5", slpm_in_wkup_pdis, "uart0"), DB8500_PIN_SLEEP("GPIO1_AJ3", slpm_out_hi_wkup_pdis, "uart0"), DB8500_PIN_SLEEP("GPIO2_AH4", slpm_in_wkup_pdis, "uart0"), DB8500_PIN_SLEEP("GPIO3_AH3", slpm_out_wkup_pdis, "uart0"), + /* Mux in UART1 after initialization */ + DB8500_MUX("u1rxtx_a_1", "u1", "uart1"), + DB8500_PIN("GPIO4_AH6", in_pu, "uart1"), /* RXD */ + DB8500_PIN("GPIO5_AG6", out_hi, "uart1"), /* TXD */ + /* Sleep state for UART1 */ + DB8500_PIN_SLEEP("GPIO4_AH6", slpm_in_wkup_pdis, "uart1"), + DB8500_PIN_SLEEP("GPIO5_AG6", slpm_out_wkup_pdis, "uart1"), /* MSP1 for ALSA codec */ DB8500_MUX("msp1txrx_a_1", "msp1", "ux500-msp-i2s.1"), DB8500_MUX("msp1_a_1", "msp1", "ux500-msp-i2s.1"), @@ -161,7 +190,10 @@ static struct pinctrl_map __initdata mop500_family_pinmap[] = { DB8500_MUX("lcd_d8_d11_a_1", "lcd", "mcde-tvout"), DB8500_MUX("lcdaclk_b_1", "lcda", "mcde-tvout"), /* Mux in LCD VSI1 and pull it up for MCDE HDMI output */ - DB8500_MUX("lcdvsi1_a_1", "lcd", "av8100-hdmi"), + DB8500_MUX("lcdvsi1_a_1", "lcd", "0-0070"), + DB8500_PIN("GPIO69_E2", in_pu, "0-0070"), + /* LCD VSI1 sleep state */ + DB8500_PIN_SLEEP("GPIO69_E2", slpm_in_wkup_pdis, "0-0070"), /* Mux in i2c0 block, default state */ DB8500_MUX("i2c0_a_1", "i2c0", "nmk-i2c.0"), /* i2c0 sleep state */ @@ -194,6 +226,18 @@ static struct pinctrl_map __initdata mop500_family_pinmap[] = { DB8500_PIN("GPIO26_Y2", in_pu, "sdi0"), /* DAT1 */ DB8500_PIN("GPIO27_AA2", in_pu, "sdi0"), /* DAT2 */ DB8500_PIN("GPIO28_AA1", in_pu, "sdi0"), /* DAT3 */ + /* SDI0 sleep state */ + DB8500_PIN_SLEEP("GPIO18_AC2", slpm_out_hi_wkup_pdis, "sdi0"), + DB8500_PIN_SLEEP("GPIO19_AC1", slpm_out_hi_wkup_pdis, "sdi0"), + DB8500_PIN_SLEEP("GPIO20_AB4", slpm_out_hi_wkup_pdis, "sdi0"), + DB8500_PIN_SLEEP("GPIO22_AA3", slpm_in_wkup_pdis, "sdi0"), + DB8500_PIN_SLEEP("GPIO23_AA4", slpm_out_lo_wkup_pdis, "sdi0"), + DB8500_PIN_SLEEP("GPIO24_AB2", slpm_in_wkup_pdis, "sdi0"), + DB8500_PIN_SLEEP("GPIO25_Y4", slpm_in_wkup_pdis, "sdi0"), + DB8500_PIN_SLEEP("GPIO26_Y2", slpm_in_wkup_pdis, "sdi0"), + DB8500_PIN_SLEEP("GPIO27_AA2", slpm_in_wkup_pdis, "sdi0"), + DB8500_PIN_SLEEP("GPIO28_AA1", slpm_in_wkup_pdis, "sdi0"), + /* Mux in SDI1 (here called MC1) used for SDIO for CW1200 WLAN */ DB8500_MUX("mc1_a_1", "mc1", "sdi1"), DB8500_PIN("GPIO208_AH16", out_lo, "sdi1"), /* CLK */ @@ -203,6 +247,15 @@ static struct pinctrl_map __initdata mop500_family_pinmap[] = { DB8500_PIN("GPIO212_AF13", in_pu, "sdi1"), /* DAT1 */ DB8500_PIN("GPIO213_AG13", in_pu, "sdi1"), /* DAT2 */ DB8500_PIN("GPIO214_AH15", in_pu, "sdi1"), /* DAT3 */ + /* SDI1 sleep state */ + DB8500_PIN_SLEEP("GPIO208_AH16", slpm_out_lo_wkup_pdis, "sdi1"), /* CLK */ + DB8500_PIN_SLEEP("GPIO209_AG15", slpm_in_wkup_pdis, "sdi1"), /* FBCLK */ + DB8500_PIN_SLEEP("GPIO210_AJ15", slpm_in_wkup_pdis, "sdi1"), /* CMD */ + DB8500_PIN_SLEEP("GPIO211_AG14", slpm_in_wkup_pdis, "sdi1"), /* DAT0 */ + DB8500_PIN_SLEEP("GPIO212_AF13", slpm_in_wkup_pdis, "sdi1"), /* DAT1 */ + DB8500_PIN_SLEEP("GPIO213_AG13", slpm_in_wkup_pdis, "sdi1"), /* DAT2 */ + DB8500_PIN_SLEEP("GPIO214_AH15", slpm_in_wkup_pdis, "sdi1"), /* DAT3 */ + /* Mux in SDI2 (here called MC2) used for for PoP eMMC */ DB8500_MUX("mc2_a_1", "mc2", "sdi2"), DB8500_PIN("GPIO128_A5", out_lo, "sdi2"), /* CLK */ @@ -216,6 +269,19 @@ static struct pinctrl_map __initdata mop500_family_pinmap[] = { DB8500_PIN("GPIO136_C7", in_pu, "sdi2"), /* DAT5 */ DB8500_PIN("GPIO137_A7", in_pu, "sdi2"), /* DAT6 */ DB8500_PIN("GPIO138_C5", in_pu, "sdi2"), /* DAT7 */ + /* SDI2 sleep state */ + DB8500_PIN_SLEEP("GPIO128_A5", out_lo_wkup_pdis, "sdi2"), /* CLK */ + DB8500_PIN_SLEEP("GPIO129_B4", in_wkup_pdis_en, "sdi2"), /* CMD */ + DB8500_PIN_SLEEP("GPIO130_C8", in_wkup_pdis_en, "sdi2"), /* FBCLK */ + DB8500_PIN_SLEEP("GPIO131_A12", in_wkup_pdis, "sdi2"), /* DAT0 */ + DB8500_PIN_SLEEP("GPIO132_C10", in_wkup_pdis, "sdi2"), /* DAT1 */ + DB8500_PIN_SLEEP("GPIO133_B10", in_wkup_pdis, "sdi2"), /* DAT2 */ + DB8500_PIN_SLEEP("GPIO134_B9", in_wkup_pdis, "sdi2"), /* DAT3 */ + DB8500_PIN_SLEEP("GPIO135_A9", in_wkup_pdis, "sdi2"), /* DAT4 */ + DB8500_PIN_SLEEP("GPIO136_C7", in_wkup_pdis, "sdi2"), /* DAT5 */ + DB8500_PIN_SLEEP("GPIO137_A7", in_wkup_pdis, "sdi2"), /* DAT6 */ + DB8500_PIN_SLEEP("GPIO138_C5", in_wkup_pdis, "sdi2"), /* DAT7 */ + /* Mux in SDI4 (here called MC4) used for for PCB-mounted eMMC */ DB8500_MUX("mc4_a_1", "mc4", "sdi4"), DB8500_PIN("GPIO197_AH24", in_pu, "sdi4"), /* DAT3 */ @@ -229,6 +295,19 @@ static struct pinctrl_map __initdata mop500_family_pinmap[] = { DB8500_PIN("GPIO205_AG23", in_pu, "sdi4"), /* DAT6 */ DB8500_PIN("GPIO206_AG24", in_pu, "sdi4"), /* DAT5 */ DB8500_PIN("GPIO207_AJ23", in_pu, "sdi4"), /* DAT4 */ + /*SDI4 sleep state */ + DB8500_PIN_SLEEP("GPIO197_AH24", slpm_in_wkup_pdis, "sdi4"), /* DAT3 */ + DB8500_PIN_SLEEP("GPIO198_AG25", slpm_in_wkup_pdis, "sdi4"), /* DAT2 */ + DB8500_PIN_SLEEP("GPIO199_AH23", slpm_in_wkup_pdis, "sdi4"), /* DAT1 */ + DB8500_PIN_SLEEP("GPIO200_AH26", slpm_in_wkup_pdis, "sdi4"), /* DAT0 */ + DB8500_PIN_SLEEP("GPIO201_AF24", slpm_in_wkup_pdis, "sdi4"), /* CMD */ + DB8500_PIN_SLEEP("GPIO202_AF25", slpm_in_wkup_pdis, "sdi4"), /* FBCLK */ + DB8500_PIN_SLEEP("GPIO203_AE23", slpm_out_lo_wkup_pdis, "sdi4"), /* CLK */ + DB8500_PIN_SLEEP("GPIO204_AF23", slpm_in_wkup_pdis, "sdi4"), /* DAT7 */ + DB8500_PIN_SLEEP("GPIO205_AG23", slpm_in_wkup_pdis, "sdi4"), /* DAT6 */ + DB8500_PIN_SLEEP("GPIO206_AG24", slpm_in_wkup_pdis, "sdi4"), /* DAT5 */ + DB8500_PIN_SLEEP("GPIO207_AJ23", slpm_in_wkup_pdis, "sdi4"), /* DAT4 */ + /* Mux in USB pins, drive STP high */ DB8500_MUX("usb_a_1", "usb", "musb-ux500.0"), DB8500_PIN("GPIO257_AE29", out_hi, "musb-ux500.0"), /* STP */ @@ -238,10 +317,232 @@ static struct pinctrl_map __initdata mop500_family_pinmap[] = { DB8500_PIN("GPIO218_AH11", in_pd, "spi2"), /* RXD */ DB8500_PIN("GPIO215_AH13", out_lo, "spi2"), /* TXD */ DB8500_PIN("GPIO217_AH12", out_lo, "spi2"), /* CLK */ + /* SPI2 idle state */ + DB8500_PIN_SLEEP("GPIO218_AH11", slpm_in_wkup_pdis, "spi2"), /* RXD */ + DB8500_PIN_SLEEP("GPIO215_AH13", slpm_out_lo_wkup_pdis, "spi2"), /* TXD */ + DB8500_PIN_SLEEP("GPIO217_AH12", slpm_wkup_pdis, "spi2"), /* CLK */ /* SPI2 sleep state */ + DB8500_PIN_SLEEP("GPIO216_AG12", slpm_in_wkup_pdis, "spi2"), /* FRM */ DB8500_PIN_SLEEP("GPIO218_AH11", slpm_in_wkup_pdis, "spi2"), /* RXD */ DB8500_PIN_SLEEP("GPIO215_AH13", slpm_out_lo_wkup_pdis, "spi2"), /* TXD */ DB8500_PIN_SLEEP("GPIO217_AH12", slpm_wkup_pdis, "spi2"), /* CLK */ + + /* ske default state */ + DB8500_MUX("kp_a_2", "kp", "nmk-ske-keypad"), + DB8500_PIN("GPIO153_B17", in_pd, "nmk-ske-keypad"), /* I7 */ + DB8500_PIN("GPIO154_C16", in_pd, "nmk-ske-keypad"), /* I6 */ + DB8500_PIN("GPIO155_C19", in_pd, "nmk-ske-keypad"), /* I5 */ + DB8500_PIN("GPIO156_C17", in_pd, "nmk-ske-keypad"), /* I4 */ + DB8500_PIN("GPIO161_D21", in_pd, "nmk-ske-keypad"), /* I3 */ + DB8500_PIN("GPIO162_D20", in_pd, "nmk-ske-keypad"), /* I2 */ + DB8500_PIN("GPIO163_C20", in_pd, "nmk-ske-keypad"), /* I1 */ + DB8500_PIN("GPIO164_B21", in_pd, "nmk-ske-keypad"), /* I0 */ + DB8500_PIN("GPIO157_A18", out_lo, "nmk-ske-keypad"), /* O7 */ + DB8500_PIN("GPIO158_C18", out_lo, "nmk-ske-keypad"), /* O6 */ + DB8500_PIN("GPIO159_B19", out_lo, "nmk-ske-keypad"), /* O5 */ + DB8500_PIN("GPIO160_B20", out_lo, "nmk-ske-keypad"), /* O4 */ + DB8500_PIN("GPIO165_C21", out_lo, "nmk-ske-keypad"), /* O3 */ + DB8500_PIN("GPIO166_A22", out_lo, "nmk-ske-keypad"), /* O2 */ + DB8500_PIN("GPIO167_B24", out_lo, "nmk-ske-keypad"), /* O1 */ + DB8500_PIN("GPIO168_C22", out_lo, "nmk-ske-keypad"), /* O0 */ + /* ske sleep state */ + DB8500_PIN_SLEEP("GPIO153_B17", slpm_in_pu_wkup_pdis_en, "nmk-ske-keypad"), /* I7 */ + DB8500_PIN_SLEEP("GPIO154_C16", slpm_in_pu_wkup_pdis_en, "nmk-ske-keypad"), /* I6 */ + DB8500_PIN_SLEEP("GPIO155_C19", slpm_in_pu_wkup_pdis_en, "nmk-ske-keypad"), /* I5 */ + DB8500_PIN_SLEEP("GPIO156_C17", slpm_in_pu_wkup_pdis_en, "nmk-ske-keypad"), /* I4 */ + DB8500_PIN_SLEEP("GPIO161_D21", slpm_in_pu_wkup_pdis_en, "nmk-ske-keypad"), /* I3 */ + DB8500_PIN_SLEEP("GPIO162_D20", slpm_in_pu_wkup_pdis_en, "nmk-ske-keypad"), /* I2 */ + DB8500_PIN_SLEEP("GPIO163_C20", slpm_in_pu_wkup_pdis_en, "nmk-ske-keypad"), /* I1 */ + DB8500_PIN_SLEEP("GPIO164_B21", slpm_in_pu_wkup_pdis_en, "nmk-ske-keypad"), /* I0 */ + DB8500_PIN_SLEEP("GPIO157_A18", slpm_out_lo_pdis, "nmk-ske-keypad"), /* O7 */ + DB8500_PIN_SLEEP("GPIO158_C18", slpm_out_lo_pdis, "nmk-ske-keypad"), /* O6 */ + DB8500_PIN_SLEEP("GPIO159_B19", slpm_out_lo_pdis, "nmk-ske-keypad"), /* O5 */ + DB8500_PIN_SLEEP("GPIO160_B20", slpm_out_lo_pdis, "nmk-ske-keypad"), /* O4 */ + DB8500_PIN_SLEEP("GPIO165_C21", slpm_out_lo_pdis, "nmk-ske-keypad"), /* O3 */ + DB8500_PIN_SLEEP("GPIO166_A22", slpm_out_lo_pdis, "nmk-ske-keypad"), /* O2 */ + DB8500_PIN_SLEEP("GPIO167_B24", slpm_out_lo_pdis, "nmk-ske-keypad"), /* O1 */ + DB8500_PIN_SLEEP("GPIO168_C22", slpm_out_lo_pdis, "nmk-ske-keypad"), /* O0 */ + + /* STM APE pins states */ + DB8500_MUX_STATE("stmape_c_1", "stmape", + "stm", "ape_mipi34"), + DB8500_PIN_STATE("GPIO70_G5", in_nopull, + "stm", "ape_mipi34"), /* clk */ + DB8500_PIN_STATE("GPIO71_G4", in_nopull, + "stm", "ape_mipi34"), /* dat3 */ + DB8500_PIN_STATE("GPIO72_H4", in_nopull, + "stm", "ape_mipi34"), /* dat2 */ + DB8500_PIN_STATE("GPIO73_H3", in_nopull, + "stm", "ape_mipi34"), /* dat1 */ + DB8500_PIN_STATE("GPIO74_J3", in_nopull, + "stm", "ape_mipi34"), /* dat0 */ + + DB8500_PIN_STATE("GPIO70_G5", slpm_out_lo_pdis, + "stm", "ape_mipi34_sleep"), /* clk */ + DB8500_PIN_STATE("GPIO71_G4", slpm_out_lo_pdis, + "stm", "ape_mipi34_sleep"), /* dat3 */ + DB8500_PIN_STATE("GPIO72_H4", slpm_out_lo_pdis, + "stm", "ape_mipi34_sleep"), /* dat2 */ + DB8500_PIN_STATE("GPIO73_H3", slpm_out_lo_pdis, + "stm", "ape_mipi34_sleep"), /* dat1 */ + DB8500_PIN_STATE("GPIO74_J3", slpm_out_lo_pdis, + "stm", "ape_mipi34_sleep"), /* dat0 */ + + DB8500_MUX_STATE("stmape_oc1_1", "stmape", + "stm", "ape_microsd"), + DB8500_PIN_STATE("GPIO23_AA4", in_nopull, + "stm", "ape_microsd"), /* clk */ + DB8500_PIN_STATE("GPIO25_Y4", in_nopull, + "stm", "ape_microsd"), /* dat0 */ + DB8500_PIN_STATE("GPIO26_Y2", in_nopull, + "stm", "ape_microsd"), /* dat1 */ + DB8500_PIN_STATE("GPIO27_AA2", in_nopull, + "stm", "ape_microsd"), /* dat2 */ + DB8500_PIN_STATE("GPIO28_AA1", in_nopull, + "stm", "ape_microsd"), /* dat3 */ + + DB8500_PIN_STATE("GPIO23_AA4", slpm_out_lo_wkup_pdis, + "stm", "ape_microsd_sleep"), /* clk */ + DB8500_PIN_STATE("GPIO25_Y4", slpm_in_wkup_pdis, + "stm", "ape_microsd_sleep"), /* dat0 */ + DB8500_PIN_STATE("GPIO26_Y2", slpm_in_wkup_pdis, + "stm", "ape_microsd_sleep"), /* dat1 */ + DB8500_PIN_STATE("GPIO27_AA2", slpm_in_wkup_pdis, + "stm", "ape_microsd_sleep"), /* dat2 */ + DB8500_PIN_STATE("GPIO28_AA1", slpm_in_wkup_pdis, + "stm", "ape_microsd_sleep"), /* dat3 */ + + /* STM Modem pins states */ + DB8500_MUX_STATE("stmmod_oc3_2", "stmmod", + "stm", "mod_mipi34"), + DB8500_MUX_STATE("uartmodrx_oc3_1", "uartmod", + "stm", "mod_mipi34"), + DB8500_MUX_STATE("uartmodtx_oc3_1", "uartmod", + "stm", "mod_mipi34"), + DB8500_PIN_STATE("GPIO70_G5", in_nopull, + "stm", "mod_mipi34"), /* clk */ + DB8500_PIN_STATE("GPIO71_G4", in_nopull, + "stm", "mod_mipi34"), /* dat3 */ + DB8500_PIN_STATE("GPIO72_H4", in_nopull, + "stm", "mod_mipi34"), /* dat2 */ + DB8500_PIN_STATE("GPIO73_H3", in_nopull, + "stm", "mod_mipi34"), /* dat1 */ + DB8500_PIN_STATE("GPIO74_J3", in_nopull, + "stm", "mod_mipi34"), /* dat0 */ + DB8500_PIN_STATE("GPIO75_H2", in_pu, + "stm", "mod_mipi34"), /* uartmod rx */ + DB8500_PIN_STATE("GPIO76_J2", out_lo, + "stm", "mod_mipi34"), /* uartmod tx */ + + DB8500_PIN_STATE("GPIO70_G5", slpm_out_lo_pdis, + "stm", "mod_mipi34_sleep"), /* clk */ + DB8500_PIN_STATE("GPIO71_G4", slpm_out_lo_pdis, + "stm", "mod_mipi34_sleep"), /* dat3 */ + DB8500_PIN_STATE("GPIO72_H4", slpm_out_lo_pdis, + "stm", "mod_mipi34_sleep"), /* dat2 */ + DB8500_PIN_STATE("GPIO73_H3", slpm_out_lo_pdis, + "stm", "mod_mipi34_sleep"), /* dat1 */ + DB8500_PIN_STATE("GPIO74_J3", slpm_out_lo_pdis, + "stm", "mod_mipi34_sleep"), /* dat0 */ + DB8500_PIN_STATE("GPIO75_H2", slpm_in_wkup_pdis, + "stm", "mod_mipi34_sleep"), /* uartmod rx */ + DB8500_PIN_STATE("GPIO76_J2", slpm_out_lo_wkup_pdis, + "stm", "mod_mipi34_sleep"), /* uartmod tx */ + + DB8500_MUX_STATE("stmmod_b_1", "stmmod", + "stm", "mod_microsd"), + DB8500_MUX_STATE("uartmodrx_oc3_1", "uartmod", + "stm", "mod_microsd"), + DB8500_MUX_STATE("uartmodtx_oc3_1", "uartmod", + "stm", "mod_microsd"), + DB8500_PIN_STATE("GPIO23_AA4", in_nopull, + "stm", "mod_microsd"), /* clk */ + DB8500_PIN_STATE("GPIO25_Y4", in_nopull, + "stm", "mod_microsd"), /* dat0 */ + DB8500_PIN_STATE("GPIO26_Y2", in_nopull, + "stm", "mod_microsd"), /* dat1 */ + DB8500_PIN_STATE("GPIO27_AA2", in_nopull, + "stm", "mod_microsd"), /* dat2 */ + DB8500_PIN_STATE("GPIO28_AA1", in_nopull, + "stm", "mod_microsd"), /* dat3 */ + DB8500_PIN_STATE("GPIO75_H2", in_pu, + "stm", "mod_microsd"), /* uartmod rx */ + DB8500_PIN_STATE("GPIO76_J2", out_lo, + "stm", "mod_microsd"), /* uartmod tx */ + + DB8500_PIN_STATE("GPIO23_AA4", slpm_out_lo_wkup_pdis, + "stm", "mod_microsd_sleep"), /* clk */ + DB8500_PIN_STATE("GPIO25_Y4", slpm_in_wkup_pdis, + "stm", "mod_microsd_sleep"), /* dat0 */ + DB8500_PIN_STATE("GPIO26_Y2", slpm_in_wkup_pdis, + "stm", "mod_microsd_sleep"), /* dat1 */ + DB8500_PIN_STATE("GPIO27_AA2", slpm_in_wkup_pdis, + "stm", "mod_microsd_sleep"), /* dat2 */ + DB8500_PIN_STATE("GPIO28_AA1", slpm_in_wkup_pdis, + "stm", "mod_microsd_sleep"), /* dat3 */ + DB8500_PIN_STATE("GPIO75_H2", slpm_in_wkup_pdis, + "stm", "mod_microsd_sleep"), /* uartmod rx */ + DB8500_PIN_STATE("GPIO76_J2", slpm_out_lo_wkup_pdis, + "stm", "mod_microsd_sleep"), /* uartmod tx */ + + /* STM dual Modem/APE pins state */ + DB8500_MUX_STATE("stmmod_oc3_2", "stmmod", + "stm", "mod_mipi34_ape_mipi60"), + DB8500_MUX_STATE("stmape_c_2", "stmape", + "stm", "mod_mipi34_ape_mipi60"), + DB8500_MUX_STATE("uartmodrx_oc3_1", "uartmod", + "stm", "mod_mipi34_ape_mipi60"), + DB8500_MUX_STATE("uartmodtx_oc3_1", "uartmod", + "stm", "mod_mipi34_ape_mipi60"), + DB8500_PIN_STATE("GPIO70_G5", in_nopull, + "stm", "mod_mipi34_ape_mipi60"), /* clk */ + DB8500_PIN_STATE("GPIO71_G4", in_nopull, + "stm", "mod_mipi34_ape_mipi60"), /* dat3 */ + DB8500_PIN_STATE("GPIO72_H4", in_nopull, + "stm", "mod_mipi34_ape_mipi60"), /* dat2 */ + DB8500_PIN_STATE("GPIO73_H3", in_nopull, + "stm", "mod_mipi34_ape_mipi60"), /* dat1 */ + DB8500_PIN_STATE("GPIO74_J3", in_nopull, + "stm", "mod_mipi34_ape_mipi60"), /* dat0 */ + DB8500_PIN_STATE("GPIO75_H2", in_pu, + "stm", "mod_mipi34_ape_mipi60"), /* uartmod rx */ + DB8500_PIN_STATE("GPIO76_J2", out_lo, + "stm", "mod_mipi34_ape_mipi60"), /* uartmod tx */ + DB8500_PIN_STATE("GPIO155_C19", in_nopull, + "stm", "mod_mipi34_ape_mipi60"), /* clk */ + DB8500_PIN_STATE("GPIO156_C17", in_nopull, + "stm", "mod_mipi34_ape_mipi60"), /* dat3 */ + DB8500_PIN_STATE("GPIO157_A18", in_nopull, + "stm", "mod_mipi34_ape_mipi60"), /* dat2 */ + DB8500_PIN_STATE("GPIO158_C18", in_nopull, + "stm", "mod_mipi34_ape_mipi60"), /* dat1 */ + DB8500_PIN_STATE("GPIO159_B19", in_nopull, + "stm", "mod_mipi34_ape_mipi60"), /* dat0 */ + + DB8500_PIN_STATE("GPIO70_G5", slpm_out_lo_pdis, + "stm", "mod_mipi34_ape_mipi60_sleep"), /* clk */ + DB8500_PIN_STATE("GPIO71_G4", slpm_out_lo_pdis, + "stm", "mod_mipi34_ape_mipi60_sleep"), /* dat3 */ + DB8500_PIN_STATE("GPIO72_H4", slpm_out_lo_pdis, + "stm", "mod_mipi34_ape_mipi60_sleep"), /* dat2 */ + DB8500_PIN_STATE("GPIO73_H3", slpm_out_lo_pdis, + "stm", "mod_mipi34_ape_mipi60_sleep"), /* dat1 */ + DB8500_PIN_STATE("GPIO74_J3", slpm_out_lo_pdis, + "stm", "mod_mipi34_ape_mipi60_sleep"), /* dat0 */ + DB8500_PIN_STATE("GPIO75_H2", slpm_in_wkup_pdis, + "stm", "mod_mipi34_ape_mipi60_sleep"), /* uartmod rx */ + DB8500_PIN_STATE("GPIO76_J2", slpm_out_lo_wkup_pdis, + "stm", "mod_mipi34_ape_mipi60_sleep"), /* uartmod tx */ + DB8500_PIN_STATE("GPIO155_C19", slpm_in_wkup_pdis, + "stm", "mod_mipi34_ape_mipi60_sleep"), /* clk */ + DB8500_PIN_STATE("GPIO156_C17", slpm_in_wkup_pdis, + "stm", "mod_mipi34_ape_mipi60_sleep"), /* dat3 */ + DB8500_PIN_STATE("GPIO157_A18", slpm_in_wkup_pdis, + "stm", "mod_mipi34_ape_mipi60_sleep"), /* dat2 */ + DB8500_PIN_STATE("GPIO158_C18", slpm_in_wkup_pdis, + "stm", "mod_mipi34_ape_mipi60_sleep"), /* dat1 */ + DB8500_PIN_STATE("GPIO159_B19", slpm_in_wkup_pdis, + "stm", "mod_mipi34_ape_mipi60_sleep"), /* dat0 */ }; /* @@ -267,32 +568,48 @@ static struct pinctrl_map __initdata mop500_pinmap[] = { DB8500_PIN_HOG("GPIO217_AH12", gpio_in_pu), /* Mux in UART1 and set the pull-ups */ DB8500_MUX_HOG("u1rxtx_a_1", "u1"), - DB8500_MUX_HOG("u1ctsrts_a_1", "u1"), DB8500_PIN_HOG("GPIO4_AH6", in_pu), /* RXD */ DB8500_PIN_HOG("GPIO5_AG6", out_hi), /* TXD */ - DB8500_PIN_HOG("GPIO6_AF6", in_pu), /* CTS */ - DB8500_PIN_HOG("GPIO7_AG5", out_hi), /* RTS */ /* * Runtime stuff: make it possible to mux in the SKE keypad * and bias the pins */ - DB8500_MUX("kp_a_2", "kp", "ske"), - DB8500_PIN("GPIO153_B17", in_pd_slpm_in_pu, "ske"), /* I7 */ - DB8500_PIN("GPIO154_C16", in_pd_slpm_in_pu, "ske"), /* I6 */ - DB8500_PIN("GPIO155_C19", in_pd_slpm_in_pu, "ske"), /* I5 */ - DB8500_PIN("GPIO156_C17", in_pd_slpm_in_pu, "ske"), /* I4 */ - DB8500_PIN("GPIO161_D21", in_pd_slpm_in_pu, "ske"), /* I3 */ - DB8500_PIN("GPIO162_D20", in_pd_slpm_in_pu, "ske"), /* I2 */ - DB8500_PIN("GPIO163_C20", in_pd_slpm_in_pu, "ske"), /* I1 */ - DB8500_PIN("GPIO164_B21", in_pd_slpm_in_pu, "ske"), /* I0 */ - DB8500_PIN("GPIO157_A18", in_pu_slpm_out_lo, "ske"), /* O7 */ - DB8500_PIN("GPIO158_C18", in_pu_slpm_out_lo, "ske"), /* O6 */ - DB8500_PIN("GPIO159_B19", in_pu_slpm_out_lo, "ske"), /* O5 */ - DB8500_PIN("GPIO160_B20", in_pu_slpm_out_lo, "ske"), /* O4 */ - DB8500_PIN("GPIO165_C21", in_pu_slpm_out_lo, "ske"), /* O3 */ - DB8500_PIN("GPIO166_A22", in_pu_slpm_out_lo, "ske"), /* O2 */ - DB8500_PIN("GPIO167_B24", in_pu_slpm_out_lo, "ske"), /* O1 */ - DB8500_PIN("GPIO168_C22", in_pu_slpm_out_lo, "ske"), /* O0 */ + /* ske default state */ + DB8500_MUX("kp_a_2", "kp", "nmk-ske-keypad"), + DB8500_PIN("GPIO153_B17", in_pu, "nmk-ske-keypad"), /* I7 */ + DB8500_PIN("GPIO154_C16", in_pu, "nmk-ske-keypad"), /* I6 */ + DB8500_PIN("GPIO155_C19", in_pu, "nmk-ske-keypad"), /* I5 */ + DB8500_PIN("GPIO156_C17", in_pu, "nmk-ske-keypad"), /* I4 */ + DB8500_PIN("GPIO161_D21", in_pu, "nmk-ske-keypad"), /* I3 */ + DB8500_PIN("GPIO162_D20", in_pu, "nmk-ske-keypad"), /* I2 */ + DB8500_PIN("GPIO163_C20", in_pu, "nmk-ske-keypad"), /* I1 */ + DB8500_PIN("GPIO164_B21", in_pu, "nmk-ske-keypad"), /* I0 */ + DB8500_PIN("GPIO157_A18", out_lo, "nmk-ske-keypad"), /* O7 */ + DB8500_PIN("GPIO158_C18", out_lo, "nmk-ske-keypad"), /* O6 */ + DB8500_PIN("GPIO159_B19", out_lo, "nmk-ske-keypad"), /* O5 */ + DB8500_PIN("GPIO160_B20", out_lo, "nmk-ske-keypad"), /* O4 */ + DB8500_PIN("GPIO165_C21", out_lo, "nmk-ske-keypad"), /* O3 */ + DB8500_PIN("GPIO166_A22", out_lo, "nmk-ske-keypad"), /* O2 */ + DB8500_PIN("GPIO167_B24", out_lo, "nmk-ske-keypad"), /* O1 */ + DB8500_PIN("GPIO168_C22", out_lo, "nmk-ske-keypad"), /* O0 */ + /* ske sleep state */ + DB8500_PIN_SLEEP("GPIO153_B17", slpm_in_pu_wkup_pdis_en, "nmk-ske-keypad"), /* I7 */ + DB8500_PIN_SLEEP("GPIO154_C16", slpm_in_pu_wkup_pdis_en, "nmk-ske-keypad"), /* I6 */ + DB8500_PIN_SLEEP("GPIO155_C19", slpm_in_pu_wkup_pdis_en, "nmk-ske-keypad"), /* I5 */ + DB8500_PIN_SLEEP("GPIO156_C17", slpm_in_pu_wkup_pdis_en, "nmk-ske-keypad"), /* I4 */ + DB8500_PIN_SLEEP("GPIO161_D21", slpm_in_pu_wkup_pdis_en, "nmk-ske-keypad"), /* I3 */ + DB8500_PIN_SLEEP("GPIO162_D20", slpm_in_pu_wkup_pdis_en, "nmk-ske-keypad"), /* I2 */ + DB8500_PIN_SLEEP("GPIO163_C20", slpm_in_pu_wkup_pdis_en, "nmk-ske-keypad"), /* I1 */ + DB8500_PIN_SLEEP("GPIO164_B21", slpm_in_pu_wkup_pdis_en, "nmk-ske-keypad"), /* I0 */ + DB8500_PIN_SLEEP("GPIO157_A18", slpm_out_lo_pdis, "nmk-ske-keypad"), /* O7 */ + DB8500_PIN_SLEEP("GPIO158_C18", slpm_out_lo_pdis, "nmk-ske-keypad"), /* O6 */ + DB8500_PIN_SLEEP("GPIO159_B19", slpm_out_lo_pdis, "nmk-ske-keypad"), /* O5 */ + DB8500_PIN_SLEEP("GPIO160_B20", slpm_out_lo_pdis, "nmk-ske-keypad"), /* O4 */ + DB8500_PIN_SLEEP("GPIO165_C21", slpm_out_lo_pdis, "nmk-ske-keypad"), /* O3 */ + DB8500_PIN_SLEEP("GPIO166_A22", slpm_out_lo_pdis, "nmk-ske-keypad"), /* O2 */ + DB8500_PIN_SLEEP("GPIO167_B24", slpm_out_lo_pdis, "nmk-ske-keypad"), /* O1 */ + DB8500_PIN_SLEEP("GPIO168_C22", slpm_out_lo_pdis, "nmk-ske-keypad"), /* O0 */ + /* Mux in and drive the SDI0 DAT31DIR line high at runtime */ DB8500_MUX("mc0dat31dir_a_1", "mc0", "sdi0"), DB8500_PIN("GPIO21_AB3", out_hi, "sdi0"), @@ -395,28 +712,6 @@ static struct pinctrl_map __initdata hrefv60_pinmap[] = { DB8500_PIN("GPIO217_AH12", gpio_in_pu_slpm_gpio_nopull, "gpio-keys.0"), DB8500_PIN("GPIO145_C13", gpio_in_pd_slpm_gpio_nopull, "gpio-keys.0"), DB8500_PIN("GPIO139_C9", gpio_in_pu_slpm_gpio_nopull, "gpio-keys.0"), - /* - * Make it possible to mux in the SKE keypad and bias the pins - * FIXME: what's the point with this on HREFv60? KP/SKE is already - * muxed in at another place! Enabling this will bork. - */ - DB8500_MUX("kp_a_2", "kp", "ske"), - DB8500_PIN("GPIO153_B17", in_pd_slpm_in_pu, "ske"), /* I7 */ - DB8500_PIN("GPIO154_C16", in_pd_slpm_in_pu, "ske"), /* I6 */ - DB8500_PIN("GPIO155_C19", in_pd_slpm_in_pu, "ske"), /* I5 */ - DB8500_PIN("GPIO156_C17", in_pd_slpm_in_pu, "ske"), /* I4 */ - DB8500_PIN("GPIO161_D21", in_pd_slpm_in_pu, "ske"), /* I3 */ - DB8500_PIN("GPIO162_D20", in_pd_slpm_in_pu, "ske"), /* I2 */ - DB8500_PIN("GPIO163_C20", in_pd_slpm_in_pu, "ske"), /* I1 */ - DB8500_PIN("GPIO164_B21", in_pd_slpm_in_pu, "ske"), /* I0 */ - DB8500_PIN("GPIO157_A18", in_pu_slpm_out_lo, "ske"), /* O7 */ - DB8500_PIN("GPIO158_C18", in_pu_slpm_out_lo, "ske"), /* O6 */ - DB8500_PIN("GPIO159_B19", in_pu_slpm_out_lo, "ske"), /* O5 */ - DB8500_PIN("GPIO160_B20", in_pu_slpm_out_lo, "ske"), /* O4 */ - DB8500_PIN("GPIO165_C21", in_pu_slpm_out_lo, "ske"), /* O3 */ - DB8500_PIN("GPIO166_A22", in_pu_slpm_out_lo, "ske"), /* O2 */ - DB8500_PIN("GPIO167_B24", in_pu_slpm_out_lo, "ske"), /* O1 */ - DB8500_PIN("GPIO168_C22", in_pu_slpm_out_lo, "ske"), /* O0 */ }; static struct pinctrl_map __initdata u9500_pinmap[] = { diff --git a/arch/arm/mach-vexpress/reset.c b/arch/arm/mach-vexpress/reset.c new file mode 100644 index 000000000000..465923aa3819 --- /dev/null +++ b/arch/arm/mach-vexpress/reset.c @@ -0,0 +1,141 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Copyright (C) 2012 ARM Limited + */ + +#include <linux/jiffies.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/stat.h> +#include <linux/vexpress.h> + +static void vexpress_reset_do(struct device *dev, const char *what) +{ + int err = -ENOENT; + struct vexpress_config_func *func = + vexpress_config_func_get_by_dev(dev); + + if (func) { + unsigned long timeout; + + err = vexpress_config_write(func, 0, 0); + + timeout = jiffies + HZ; + while (time_before(jiffies, timeout)) + cpu_relax(); + } + + dev_emerg(dev, "Unable to %s (%d)\n", what, err); +} + +static struct device *vexpress_power_off_device; + +void vexpress_power_off(void) +{ + vexpress_reset_do(vexpress_power_off_device, "power off"); +} + +static struct device *vexpress_restart_device; + +void vexpress_restart(char str, const char *cmd) +{ + vexpress_reset_do(vexpress_restart_device, "restart"); +} + +static ssize_t vexpress_reset_active_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d\n", vexpress_restart_device == dev); +} + +static ssize_t vexpress_reset_active_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + long value; + int err = kstrtol(buf, 0, &value); + + if (!err && value) + vexpress_restart_device = dev; + + return err ? err : count; +} + +DEVICE_ATTR(active, S_IRUGO | S_IWUSR, vexpress_reset_active_show, + vexpress_reset_active_store); + + +enum vexpress_reset_func { FUNC_RESET, FUNC_SHUTDOWN, FUNC_REBOOT }; + +static struct of_device_id vexpress_reset_of_match[] = { + { + .compatible = "arm,vexpress-reset", + .data = (void *)FUNC_RESET, + }, { + .compatible = "arm,vexpress-shutdown", + .data = (void *)FUNC_SHUTDOWN + }, { + .compatible = "arm,vexpress-reboot", + .data = (void *)FUNC_REBOOT + }, + {} +}; + +static int vexpress_reset_probe(struct platform_device *pdev) +{ + enum vexpress_reset_func func; + const struct of_device_id *match = + of_match_device(vexpress_reset_of_match, &pdev->dev); + + if (match) + func = (enum vexpress_reset_func)match->data; + else + func = pdev->id_entry->driver_data; + + switch (func) { + case FUNC_SHUTDOWN: + vexpress_power_off_device = &pdev->dev; + break; + case FUNC_RESET: + if (!vexpress_restart_device) + vexpress_restart_device = &pdev->dev; + device_create_file(&pdev->dev, &dev_attr_active); + break; + case FUNC_REBOOT: + vexpress_restart_device = &pdev->dev; + device_create_file(&pdev->dev, &dev_attr_active); + break; + }; + + return 0; +} + +static const struct platform_device_id vexpress_reset_id_table[] = { + { .name = "vexpress-reset", .driver_data = FUNC_RESET, }, + { .name = "vexpress-shutdown", .driver_data = FUNC_SHUTDOWN, }, + { .name = "vexpress-reboot", .driver_data = FUNC_REBOOT, }, + {} +}; + +static struct platform_driver vexpress_reset_driver = { + .probe = vexpress_reset_probe, + .driver = { + .name = "vexpress-reset", + .of_match_table = vexpress_reset_of_match, + }, + .id_table = vexpress_reset_id_table, +}; + +static int __init vexpress_reset_init(void) +{ + return platform_driver_register(&vexpress_reset_driver); +} +device_initcall(vexpress_reset_init); diff --git a/arch/arm/plat-samsung/include/plat/gpio-core.h b/arch/arm/plat-samsung/include/plat/gpio-core.h index 1fe6917f6a2a..dfd8b7af8c7a 100644 --- a/arch/arm/plat-samsung/include/plat/gpio-core.h +++ b/arch/arm/plat-samsung/include/plat/gpio-core.h @@ -48,6 +48,7 @@ struct samsung_gpio_cfg; * @config: special function and pull-resistor control information. * @lock: Lock for exclusive access to this gpio bank. * @pm_save: Save information for suspend/resume support. + * @bitmap_gpio_int: Bitmap for representing GPIO interrupt or not. * * This wrapper provides the necessary information for the Samsung * specific gpios being registered with gpiolib. @@ -71,6 +72,7 @@ struct samsung_gpio_chip { #ifdef CONFIG_PM u32 pm_save[4]; #endif + u32 bitmap_gpio_int; }; static inline struct samsung_gpio_chip *to_samsung_gpio(struct gpio_chip *gpc) diff --git a/arch/arm/plat-samsung/s5p-irq-gpioint.c b/arch/arm/plat-samsung/s5p-irq-gpioint.c index 23557d30e44c..bae56131a50a 100644 --- a/arch/arm/plat-samsung/s5p-irq-gpioint.c +++ b/arch/arm/plat-samsung/s5p-irq-gpioint.c @@ -185,7 +185,7 @@ int __init s5p_register_gpio_interrupt(int pin) /* check if the group has been already registered */ if (my_chip->irq_base) - return my_chip->irq_base + offset; + goto success; /* register gpio group */ ret = s5p_gpioint_add(my_chip); @@ -193,9 +193,13 @@ int __init s5p_register_gpio_interrupt(int pin) my_chip->chip.to_irq = samsung_gpiolib_to_irq; printk(KERN_INFO "Registered interrupt support for gpio group %d.\n", group); - return my_chip->irq_base + offset; + goto success; } return ret; +success: + my_chip->bitmap_gpio_int |= BIT(offset); + + return my_chip->irq_base + offset; } int __init s5p_register_gpioint_bank(int chain_irq, int start, int nr_groups) |