diff options
Diffstat (limited to 'drivers/pinctrl/renesas')
-rw-r--r-- | drivers/pinctrl/renesas/Kconfig | 11 | ||||
-rw-r--r-- | drivers/pinctrl/renesas/Makefile | 1 | ||||
-rw-r--r-- | drivers/pinctrl/renesas/core.c | 29 | ||||
-rw-r--r-- | drivers/pinctrl/renesas/pfc-r8a77995.c | 320 | ||||
-rw-r--r-- | drivers/pinctrl/renesas/pinctrl-rzg2l.c | 1175 | ||||
-rw-r--r-- | drivers/pinctrl/renesas/pinctrl.c | 16 | ||||
-rw-r--r-- | drivers/pinctrl/renesas/sh_pfc.h | 7 |
7 files changed, 1524 insertions, 35 deletions
diff --git a/drivers/pinctrl/renesas/Kconfig b/drivers/pinctrl/renesas/Kconfig index 4b84a744ae87..9a72999084b3 100644 --- a/drivers/pinctrl/renesas/Kconfig +++ b/drivers/pinctrl/renesas/Kconfig @@ -37,6 +37,7 @@ config PINCTRL_RENESAS select PINCTRL_PFC_R8A77990 if ARCH_R8A77990 select PINCTRL_PFC_R8A77995 if ARCH_R8A77995 select PINCTRL_PFC_R8A779A0 if ARCH_R8A779A0 + select PINCTRL_RZG2L if ARCH_R9A07G044 select PINCTRL_PFC_SH7203 if CPU_SUBTYPE_SH7203 select PINCTRL_PFC_SH7264 if CPU_SUBTYPE_SH7264 select PINCTRL_PFC_SH7269 if CPU_SUBTYPE_SH7269 @@ -176,6 +177,16 @@ config PINCTRL_RZA2 help This selects GPIO and pinctrl driver for Renesas RZ/A2 platforms. +config PINCTRL_RZG2L + bool "pin control support for RZ/G2L" if COMPILE_TEST + depends on OF + select GPIOLIB + select GENERIC_PINCTRL_GROUPS + select GENERIC_PINMUX_FUNCTIONS + select GENERIC_PINCONF + help + This selects GPIO and pinctrl driver for Renesas RZ/G2L platforms. + config PINCTRL_PFC_R8A77470 bool "pin control support for RZ/G1C" if COMPILE_TEST select PINCTRL_SH_PFC diff --git a/drivers/pinctrl/renesas/Makefile b/drivers/pinctrl/renesas/Makefile index 353563228dc2..7d9238a9ef57 100644 --- a/drivers/pinctrl/renesas/Makefile +++ b/drivers/pinctrl/renesas/Makefile @@ -46,6 +46,7 @@ obj-$(CONFIG_PINCTRL_PFC_SHX3) += pfc-shx3.o obj-$(CONFIG_PINCTRL_RZA1) += pinctrl-rza1.o obj-$(CONFIG_PINCTRL_RZA2) += pinctrl-rza2.o +obj-$(CONFIG_PINCTRL_RZG2L) += pinctrl-rzg2l.o obj-$(CONFIG_PINCTRL_RZN1) += pinctrl-rzn1.o ifeq ($(CONFIG_COMPILE_TEST),y) diff --git a/drivers/pinctrl/renesas/core.c b/drivers/pinctrl/renesas/core.c index 5ccc49b387f1..f2ab02225837 100644 --- a/drivers/pinctrl/renesas/core.c +++ b/drivers/pinctrl/renesas/core.c @@ -571,17 +571,21 @@ static const struct of_device_id sh_pfc_of_table[] = { .data = &r8a7794_pinmux_info, }, #endif -/* Both r8a7795 entries must be present to make sanity checks work */ -#ifdef CONFIG_PINCTRL_PFC_R8A77950 +/* + * Both r8a7795 entries must be present to make sanity checks work, but only + * the first entry is actually used. + * R-Car H3 ES1.x is matched using soc_device_match() instead. + */ +#ifdef CONFIG_PINCTRL_PFC_R8A77951 { .compatible = "renesas,pfc-r8a7795", - .data = &r8a77950_pinmux_info, + .data = &r8a77951_pinmux_info, }, #endif -#ifdef CONFIG_PINCTRL_PFC_R8A77951 +#ifdef CONFIG_PINCTRL_PFC_R8A77950 { .compatible = "renesas,pfc-r8a7795", - .data = &r8a77951_pinmux_info, + .data = &r8a77950_pinmux_info, }, #endif #ifdef CONFIG_PINCTRL_PFC_R8A77960 @@ -1085,26 +1089,20 @@ static inline void sh_pfc_check_driver(struct platform_driver *pdrv) {} #ifdef CONFIG_OF static const void *sh_pfc_quirk_match(void) { -#if defined(CONFIG_PINCTRL_PFC_R8A77950) || \ - defined(CONFIG_PINCTRL_PFC_R8A77951) +#ifdef CONFIG_PINCTRL_PFC_R8A77950 const struct soc_device_attribute *match; static const struct soc_device_attribute quirks[] = { { .soc_id = "r8a7795", .revision = "ES1.*", .data = &r8a77950_pinmux_info, }, - { - .soc_id = "r8a7795", - .data = &r8a77951_pinmux_info, - }, - { /* sentinel */ } }; match = soc_device_match(quirks); if (match) - return match->data ?: ERR_PTR(-ENODEV); -#endif /* CONFIG_PINCTRL_PFC_R8A77950 || CONFIG_PINCTRL_PFC_R8A77951 */ + return match->data; +#endif /* CONFIG_PINCTRL_PFC_R8A77950 */ return NULL; } @@ -1119,9 +1117,6 @@ static int sh_pfc_probe(struct platform_device *pdev) #ifdef CONFIG_OF if (pdev->dev.of_node) { info = sh_pfc_quirk_match(); - if (IS_ERR(info)) - return PTR_ERR(info); - if (!info) info = of_device_get_match_data(&pdev->dev); } else diff --git a/drivers/pinctrl/renesas/pfc-r8a77995.c b/drivers/pinctrl/renesas/pfc-r8a77995.c index b479f87a3b23..c56e1e4c13b3 100644 --- a/drivers/pinctrl/renesas/pfc-r8a77995.c +++ b/drivers/pinctrl/renesas/pfc-r8a77995.c @@ -14,16 +14,27 @@ #include <linux/errno.h> #include <linux/kernel.h> +#include "core.h" #include "sh_pfc.h" -#define CPU_ALL_GP(fn, sfx) \ - PORT_GP_9(0, fn, sfx), \ - PORT_GP_32(1, fn, sfx), \ - PORT_GP_32(2, fn, sfx), \ - PORT_GP_CFG_10(3, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE), \ - PORT_GP_32(4, fn, sfx), \ - PORT_GP_21(5, fn, sfx), \ - PORT_GP_14(6, fn, sfx) +#define CPU_ALL_GP(fn, sfx) \ + PORT_GP_CFG_9(0, fn, sfx, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PORT_GP_CFG_32(1, fn, sfx, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PORT_GP_CFG_32(2, fn, sfx, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PORT_GP_CFG_10(3, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE | SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PORT_GP_CFG_32(4, fn, sfx, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PORT_GP_CFG_21(5, fn, sfx, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PORT_GP_CFG_14(6, fn, sfx, SH_PFC_PIN_CFG_PULL_UP_DOWN) + +#define CPU_ALL_NOGP(fn) \ + PIN_NOGP_CFG(DU_DOTCLKIN0, "DU_DOTCLKIN0", fn, SH_PFC_PIN_CFG_PULL_DOWN), \ + PIN_NOGP_CFG(FSCLKST_N, "FSCLKST#", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PIN_NOGP_CFG(MLB_REF, "MLB_REF", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PIN_NOGP_CFG(PRESETOUT_N, "PRESETOUT#", fn, SH_PFC_PIN_CFG_PULL_UP_DOWN), \ + PIN_NOGP_CFG(TCK, "TCK", fn, SH_PFC_PIN_CFG_PULL_UP), \ + PIN_NOGP_CFG(TDI, "TDI", fn, SH_PFC_PIN_CFG_PULL_UP), \ + PIN_NOGP_CFG(TMS, "TMS", fn, SH_PFC_PIN_CFG_PULL_UP), \ + PIN_NOGP_CFG(TRST_N, "TRST#", fn, SH_PFC_PIN_CFG_PULL_UP) /* * F_() : just information @@ -930,8 +941,17 @@ static const u16 pinmux_data[] = { PINMUX_IPSR_GPSR(IP13_7_4, TPU0TO3_A), }; +/* + * Pins not associated with a GPIO port. + */ +enum { + GP_ASSIGN_LAST(), + NOGP_ALL(), +}; + static const struct sh_pfc_pin pinmux_pins[] = { PINMUX_GPIO_GP_ALL(), + PINMUX_NOGP_ALL(), }; /* - AUDIO CLOCK ------------------------------------------------------------- */ @@ -2834,6 +2854,214 @@ static int r8a77995_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *po return bit; } +static const struct pinmux_bias_reg pinmux_bias_regs[] = { + { PINMUX_BIAS_REG("PUEN0", 0xe6060400, "PUD0", 0xe6060440) { + [ 0] = RCAR_GP_PIN(1, 9), /* DU_DG1 */ + [ 1] = RCAR_GP_PIN(1, 8), /* DU_DG0 */ + [ 2] = RCAR_GP_PIN(1, 7), /* DU_DB7 */ + [ 3] = RCAR_GP_PIN(1, 6), /* DU_DB6 */ + [ 4] = RCAR_GP_PIN(1, 5), /* DU_DB5 */ + [ 5] = RCAR_GP_PIN(1, 4), /* DU_DB4 */ + [ 6] = RCAR_GP_PIN(1, 3), /* DU_DB3 */ + [ 7] = RCAR_GP_PIN(1, 2), /* DU_DB2 */ + [ 8] = RCAR_GP_PIN(1, 1), /* DU_DB1 */ + [ 9] = RCAR_GP_PIN(1, 0), /* DU_DB0 */ + [10] = PIN_MLB_REF, /* MLB_REF */ + [11] = RCAR_GP_PIN(0, 8), /* MLB_SIG */ + [12] = RCAR_GP_PIN(0, 7), /* MLB_DAT */ + [13] = RCAR_GP_PIN(0, 6), /* MLB_CLK */ + [14] = RCAR_GP_PIN(0, 5), /* MSIOF2_RXD */ + [15] = RCAR_GP_PIN(0, 4), /* MSIOF2_TXD */ + [16] = RCAR_GP_PIN(0, 3), /* MSIOF2_SCK */ + [17] = RCAR_GP_PIN(0, 2), /* IRQ0_A */ + [18] = RCAR_GP_PIN(0, 1), /* USB0_OVC */ + [19] = RCAR_GP_PIN(0, 0), /* USB0_PWEN */ + [20] = PIN_PRESETOUT_N, /* PRESETOUT# */ + [21] = PIN_DU_DOTCLKIN0, /* DU_DOTCLKIN0 */ + [22] = PIN_FSCLKST_N, /* FSCLKST# */ + [23] = SH_PFC_PIN_NONE, + [24] = SH_PFC_PIN_NONE, + [25] = SH_PFC_PIN_NONE, + [26] = SH_PFC_PIN_NONE, + [27] = SH_PFC_PIN_NONE, + [28] = PIN_TDI, /* TDI */ + [29] = PIN_TMS, /* TMS */ + [30] = PIN_TCK, /* TCK */ + [31] = PIN_TRST_N, /* TRST# */ + } }, + { PINMUX_BIAS_REG("PUEN1", 0xe6060404, "PUD1", 0xe6060444) { + [ 0] = RCAR_GP_PIN(2, 9), /* VI4_DATA8 */ + [ 1] = RCAR_GP_PIN(2, 8), /* VI4_DATA7 */ + [ 2] = RCAR_GP_PIN(2, 7), /* VI4_DATA6 */ + [ 3] = RCAR_GP_PIN(2, 6), /* VI4_DATA5 */ + [ 4] = RCAR_GP_PIN(2, 5), /* VI4_DATA4 */ + [ 5] = RCAR_GP_PIN(2, 4), /* VI4_DATA3 */ + [ 6] = RCAR_GP_PIN(2, 3), /* VI4_DATA2 */ + [ 7] = RCAR_GP_PIN(2, 2), /* VI4_DATA1 */ + [ 8] = RCAR_GP_PIN(2, 1), /* VI4_DATA0 */ + [ 9] = RCAR_GP_PIN(2, 0), /* VI4_CLK */ + [10] = RCAR_GP_PIN(1, 31), /* QPOLB */ + [11] = RCAR_GP_PIN(1, 30), /* QPOLA */ + [12] = RCAR_GP_PIN(1, 29), /* DU_CDE */ + [13] = RCAR_GP_PIN(1, 28), /* DU_DISP/CDE */ + [14] = RCAR_GP_PIN(1, 27), /* DU_DISP */ + [15] = RCAR_GP_PIN(1, 26), /* DU_VSYNC */ + [16] = RCAR_GP_PIN(1, 25), /* DU_HSYNC */ + [17] = RCAR_GP_PIN(1, 24), /* DU_DOTCLKOUT0 */ + [18] = RCAR_GP_PIN(1, 23), /* DU_DR7 */ + [19] = RCAR_GP_PIN(1, 22), /* DU_DR6 */ + [20] = RCAR_GP_PIN(1, 21), /* DU_DR5 */ + [21] = RCAR_GP_PIN(1, 20), /* DU_DR4 */ + [22] = RCAR_GP_PIN(1, 19), /* DU_DR3 */ + [23] = RCAR_GP_PIN(1, 18), /* DU_DR2 */ + [24] = RCAR_GP_PIN(1, 17), /* DU_DR1 */ + [25] = RCAR_GP_PIN(1, 16), /* DU_DR0 */ + [26] = RCAR_GP_PIN(1, 15), /* DU_DG7 */ + [27] = RCAR_GP_PIN(1, 14), /* DU_DG6 */ + [28] = RCAR_GP_PIN(1, 13), /* DU_DG5 */ + [29] = RCAR_GP_PIN(1, 12), /* DU_DG4 */ + [30] = RCAR_GP_PIN(1, 11), /* DU_DG3 */ + [31] = RCAR_GP_PIN(1, 10), /* DU_DG2 */ + } }, + { PINMUX_BIAS_REG("PUEN2", 0xe6060408, "PUD2", 0xe6060448) { + [ 0] = RCAR_GP_PIN(3, 8), /* NFDATA6 */ + [ 1] = RCAR_GP_PIN(3, 7), /* NFDATA5 */ + [ 2] = RCAR_GP_PIN(3, 6), /* NFDATA4 */ + [ 3] = RCAR_GP_PIN(3, 5), /* NFDATA3 */ + [ 4] = RCAR_GP_PIN(3, 4), /* NFDATA2 */ + [ 5] = RCAR_GP_PIN(3, 3), /* NFDATA1 */ + [ 6] = RCAR_GP_PIN(3, 2), /* NFDATA0 */ + [ 7] = RCAR_GP_PIN(3, 1), /* NFWE# (PUEN) / NFRE# (PUD) */ + [ 8] = RCAR_GP_PIN(3, 0), /* NFRE# (PUEN) / NFWE# (PUD) */ + [ 9] = RCAR_GP_PIN(4, 0), /* NFRB# */ + [10] = RCAR_GP_PIN(2, 31), /* NFCE# */ + [11] = RCAR_GP_PIN(2, 30), /* NFCLE */ + [12] = RCAR_GP_PIN(2, 29), /* NFALE */ + [13] = RCAR_GP_PIN(2, 28), /* VI4_CLKENB */ + [14] = RCAR_GP_PIN(2, 27), /* VI4_FIELD */ + [15] = RCAR_GP_PIN(2, 26), /* VI4_HSYNC# */ + [16] = RCAR_GP_PIN(2, 25), /* VI4_VSYNC# */ + [17] = RCAR_GP_PIN(2, 24), /* VI4_DATA23 */ + [18] = RCAR_GP_PIN(2, 23), /* VI4_DATA22 */ + [19] = RCAR_GP_PIN(2, 22), /* VI4_DATA21 */ + [20] = RCAR_GP_PIN(2, 21), /* VI4_DATA20 */ + [21] = RCAR_GP_PIN(2, 20), /* VI4_DATA19 */ + [22] = RCAR_GP_PIN(2, 19), /* VI4_DATA18 */ + [23] = RCAR_GP_PIN(2, 18), /* VI4_DATA17 */ + [24] = RCAR_GP_PIN(2, 17), /* VI4_DATA16 */ + [25] = RCAR_GP_PIN(2, 16), /* VI4_DATA15 */ + [26] = RCAR_GP_PIN(2, 15), /* VI4_DATA14 */ + [27] = RCAR_GP_PIN(2, 14), /* VI4_DATA13 */ + [28] = RCAR_GP_PIN(2, 13), /* VI4_DATA12 */ + [29] = RCAR_GP_PIN(2, 12), /* VI4_DATA11 */ + [30] = RCAR_GP_PIN(2, 11), /* VI4_DATA10 */ + [31] = RCAR_GP_PIN(2, 10), /* VI4_DATA9 */ + } }, + { PINMUX_BIAS_REG("PUEN3", 0xe606040c, "PUD3", 0xe606044c) { + [ 0] = RCAR_GP_PIN(4, 31), /* CAN0_RX_A */ + [ 1] = RCAR_GP_PIN(5, 2), /* CAN_CLK */ + [ 2] = RCAR_GP_PIN(5, 1), /* TPU0TO1_A */ + [ 3] = RCAR_GP_PIN(5, 0), /* TPU0TO0_A */ + [ 4] = RCAR_GP_PIN(4, 27), /* TX2 */ + [ 5] = RCAR_GP_PIN(4, 26), /* RX2 */ + [ 6] = RCAR_GP_PIN(4, 25), /* SCK2 */ + [ 7] = RCAR_GP_PIN(4, 24), /* TX1_A */ + [ 8] = RCAR_GP_PIN(4, 23), /* RX1_A */ + [ 9] = RCAR_GP_PIN(4, 22), /* SCK1_A */ + [10] = RCAR_GP_PIN(4, 21), /* TX0_A */ + [11] = RCAR_GP_PIN(4, 20), /* RX0_A */ + [12] = RCAR_GP_PIN(4, 19), /* SCK0_A */ + [13] = RCAR_GP_PIN(4, 18), /* MSIOF1_RXD */ + [14] = RCAR_GP_PIN(4, 17), /* MSIOF1_TXD */ + [15] = RCAR_GP_PIN(4, 16), /* MSIOF1_SCK */ + [16] = RCAR_GP_PIN(4, 15), /* MSIOF0_RXD */ + [17] = RCAR_GP_PIN(4, 14), /* MSIOF0_TXD */ + [18] = RCAR_GP_PIN(4, 13), /* MSIOF0_SYNC */ + [19] = RCAR_GP_PIN(4, 12), /* MSIOF0_SCK */ + [20] = RCAR_GP_PIN(4, 11), /* SDA1 */ + [21] = RCAR_GP_PIN(4, 10), /* SCL1 */ + [22] = RCAR_GP_PIN(4, 9), /* SDA0 */ + [23] = RCAR_GP_PIN(4, 8), /* SCL0 */ + [24] = RCAR_GP_PIN(4, 7), /* SSI_WS4_A */ + [25] = RCAR_GP_PIN(4, 6), /* SSI_SDATA4_A */ + [26] = RCAR_GP_PIN(4, 5), /* SSI_SCK4_A */ + [27] = RCAR_GP_PIN(4, 4), /* SSI_WS34 */ + [28] = RCAR_GP_PIN(4, 3), /* SSI_SDATA3 */ + [29] = RCAR_GP_PIN(4, 2), /* SSI_SCK34 */ + [30] = RCAR_GP_PIN(4, 1), /* AUDIO_CLKA */ + [31] = RCAR_GP_PIN(3, 9), /* NFDATA7 */ + } }, + { PINMUX_BIAS_REG("PUEN4", 0xe6060410, "PUD4", 0xe6060450) { + [ 0] = RCAR_GP_PIN(6, 10), /* QSPI1_IO3 */ + [ 1] = RCAR_GP_PIN(6, 9), /* QSPI1_IO2 */ + [ 2] = RCAR_GP_PIN(6, 8), /* QSPI1_MISO_IO1 */ + [ 3] = RCAR_GP_PIN(6, 7), /* QSPI1_MOSI_IO0 */ + [ 4] = RCAR_GP_PIN(6, 6), /* QSPI1_SPCLK */ + [ 5] = RCAR_GP_PIN(6, 5), /* QSPI0_SSL */ + [ 6] = RCAR_GP_PIN(6, 4), /* QSPI0_IO3 */ + [ 7] = RCAR_GP_PIN(6, 3), /* QSPI0_IO2 */ + [ 8] = RCAR_GP_PIN(6, 2), /* QSPI0_MISO_IO1 */ + [ 9] = RCAR_GP_PIN(6, 1), /* QSPI0_MOSI_IO0 */ + [10] = RCAR_GP_PIN(6, 0), /* QSPI0_SPCLK */ + [11] = RCAR_GP_PIN(5, 20), /* AVB0_LINK */ + [12] = RCAR_GP_PIN(5, 19), /* AVB0_PHY_INT */ + [13] = RCAR_GP_PIN(5, 18), /* AVB0_MAGIC */ + [14] = RCAR_GP_PIN(5, 17), /* AVB0_MDC */ + [15] = RCAR_GP_PIN(5, 16), /* AVB0_MDIO */ + [16] = RCAR_GP_PIN(5, 15), /* AVB0_TXCREFCLK */ + [17] = RCAR_GP_PIN(5, 14), /* AVB0_TD3 */ + [18] = RCAR_GP_PIN(5, 13), /* AVB0_TD2 */ + [19] = RCAR_GP_PIN(5, 12), /* AVB0_TD1 */ + [20] = RCAR_GP_PIN(5, 11), /* AVB0_TD0 */ + [21] = RCAR_GP_PIN(5, 10), /* AVB0_TXC */ + [22] = RCAR_GP_PIN(5, 9), /* AVB0_TX_CTL */ + [23] = RCAR_GP_PIN(5, 8), /* AVB0_RD3 */ + [24] = RCAR_GP_PIN(5, 7), /* AVB0_RD2 */ + [25] = RCAR_GP_PIN(5, 6), /* AVB0_RD1 */ + [26] = RCAR_GP_PIN(5, 5), /* AVB0_RD0 */ + [27] = RCAR_GP_PIN(5, 4), /* AVB0_RXC */ + [28] = RCAR_GP_PIN(5, 3), /* AVB0_RX_CTL */ + [29] = RCAR_GP_PIN(4, 30), /* CAN1_TX_A */ + [30] = RCAR_GP_PIN(4, 29), /* CAN1_RX_A */ + [31] = RCAR_GP_PIN(4, 28), /* CAN0_TX_A */ + } }, + { PINMUX_BIAS_REG("PUEN5", 0xe6060414, "PUD4", 0xe6060454) { + [ 0] = SH_PFC_PIN_NONE, + [ 1] = SH_PFC_PIN_NONE, + [ 2] = SH_PFC_PIN_NONE, + [ 3] = SH_PFC_PIN_NONE, + [ 4] = SH_PFC_PIN_NONE, + [ 5] = SH_PFC_PIN_NONE, + [ 6] = SH_PFC_PIN_NONE, + [ 7] = SH_PFC_PIN_NONE, + [ 8] = SH_PFC_PIN_NONE, + [ 9] = SH_PFC_PIN_NONE, + [10] = SH_PFC_PIN_NONE, + [11] = SH_PFC_PIN_NONE, + [12] = SH_PFC_PIN_NONE, + [13] = SH_PFC_PIN_NONE, + [14] = SH_PFC_PIN_NONE, + [15] = SH_PFC_PIN_NONE, + [16] = SH_PFC_PIN_NONE, + [17] = SH_PFC_PIN_NONE, + [18] = SH_PFC_PIN_NONE, + [19] = SH_PFC_PIN_NONE, + [20] = SH_PFC_PIN_NONE, + [21] = SH_PFC_PIN_NONE, + [22] = SH_PFC_PIN_NONE, + [23] = SH_PFC_PIN_NONE, + [24] = SH_PFC_PIN_NONE, + [25] = SH_PFC_PIN_NONE, + [26] = SH_PFC_PIN_NONE, + [27] = SH_PFC_PIN_NONE, + [28] = SH_PFC_PIN_NONE, + [29] = RCAR_GP_PIN(6, 13), /* RPC_INT# */ + [30] = RCAR_GP_PIN(6, 12), /* RPC_RESET# */ + [31] = RCAR_GP_PIN(6, 11), /* QSPI1_SSL */ + } }, + { /* sentinel */ } +}; + enum ioctrl_regs { TDSELCTRL, }; @@ -2843,8 +3071,83 @@ static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = { { /* sentinel */ }, }; +static const struct pinmux_bias_reg * +r8a77995_pin_to_bias_reg(const struct sh_pfc *pfc, unsigned int pin, + unsigned int *puen_bit, unsigned int *pud_bit) +{ + const struct pinmux_bias_reg *reg; + unsigned int bit; + + reg = rcar_pin_to_bias_reg(pfc, pin, &bit); + if (!reg) + return reg; + + *puen_bit = bit; + + /* NFWE# and NFRE# use different bit positions in PUD2 */ + switch (pin) { + case RCAR_GP_PIN(3, 0): /* NFRE# */ + *pud_bit = 7; + break; + + case RCAR_GP_PIN(3, 1): /* NFWE# */ + *pud_bit = 8; + break; + + default: + *pud_bit = bit; + break; + } + + return reg; +} + +static unsigned int r8a77995_pinmux_get_bias(struct sh_pfc *pfc, + unsigned int pin) +{ + const struct pinmux_bias_reg *reg; + unsigned int puen_bit, pud_bit; + + reg = r8a77995_pin_to_bias_reg(pfc, pin, &puen_bit, &pud_bit); + if (!reg) + return PIN_CONFIG_BIAS_DISABLE; + + if (!(sh_pfc_read(pfc, reg->puen) & BIT(puen_bit))) + return PIN_CONFIG_BIAS_DISABLE; + else if (sh_pfc_read(pfc, reg->pud) & BIT(pud_bit)) + return PIN_CONFIG_BIAS_PULL_UP; + else + return PIN_CONFIG_BIAS_PULL_DOWN; +} + +static void r8a77995_pinmux_set_bias(struct sh_pfc *pfc, unsigned int pin, + unsigned int bias) +{ + const struct pinmux_bias_reg *reg; + unsigned int puen_bit, pud_bit; + u32 enable, updown; + + reg = r8a77995_pin_to_bias_reg(pfc, pin, &puen_bit, &pud_bit); + if (!reg) + return; + + enable = sh_pfc_read(pfc, reg->puen) & ~BIT(puen_bit); + if (bias != PIN_CONFIG_BIAS_DISABLE) { + enable |= BIT(puen_bit); + + updown = sh_pfc_read(pfc, reg->pud) & ~BIT(pud_bit); + if (bias == PIN_CONFIG_BIAS_PULL_UP) + updown |= BIT(pud_bit); + + sh_pfc_write(pfc, reg->pud, updown); + } + sh_pfc_write(pfc, reg->puen, enable); +} + static const struct sh_pfc_soc_operations r8a77995_pinmux_ops = { .pin_to_pocctrl = r8a77995_pin_to_pocctrl, + .get_bias = r8a77995_pinmux_get_bias, + .set_bias = r8a77995_pinmux_set_bias, }; const struct sh_pfc_soc_info r8a77995_pinmux_info = { @@ -2862,6 +3165,7 @@ const struct sh_pfc_soc_info r8a77995_pinmux_info = { .nr_functions = ARRAY_SIZE(pinmux_functions), .cfg_regs = pinmux_config_regs, + .bias_regs = pinmux_bias_regs, .ioctrl_regs = pinmux_ioctrl_regs, .pinmux_data = pinmux_data, diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c new file mode 100644 index 000000000000..dbf2f521bb27 --- /dev/null +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -0,0 +1,1175 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Renesas RZ/G2L Pin Control and GPIO driver core + * + * Copyright (C) 2021 Renesas Electronics Corporation. + */ + +#include <linux/bitops.h> +#include <linux/clk.h> +#include <linux/gpio/driver.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/pinctrl/pinconf-generic.h> +#include <linux/pinctrl/pinconf.h> +#include <linux/pinctrl/pinctrl.h> +#include <linux/pinctrl/pinmux.h> +#include <linux/spinlock.h> + +#include <dt-bindings/pinctrl/rzg2l-pinctrl.h> + +#include "../core.h" +#include "../pinconf.h" +#include "../pinmux.h" + +#define DRV_NAME "pinctrl-rzg2l" + +/* + * Use 16 lower bits [15:0] for pin identifier + * Use 16 higher bits [31:16] for pin mux function + */ +#define MUX_PIN_ID_MASK GENMASK(15, 0) +#define MUX_FUNC_MASK GENMASK(31, 16) +#define MUX_FUNC_OFFS 16 +#define MUX_FUNC(pinconf) (((pinconf) & MUX_FUNC_MASK) >> MUX_FUNC_OFFS) + +/* PIN capabilities */ +#define PIN_CFG_IOLH BIT(0) +#define PIN_CFG_SR BIT(1) +#define PIN_CFG_IEN BIT(2) +#define PIN_CFG_PUPD BIT(3) +#define PIN_CFG_IOLH_SD0 BIT(4) +#define PIN_CFG_IOLH_SD1 BIT(5) +#define PIN_CFG_IOLH_QSPI BIT(6) +#define PIN_CFG_IOLH_ETH0 BIT(7) +#define PIN_CFG_IOLH_ETH1 BIT(8) +#define PIN_CFG_FILONOFF BIT(9) +#define PIN_CFG_FILNUM BIT(10) +#define PIN_CFG_FILCLKSEL BIT(11) + +#define RZG2L_MPXED_PIN_FUNCS (PIN_CFG_IOLH | \ + PIN_CFG_SR | \ + PIN_CFG_PUPD | \ + PIN_CFG_FILONOFF | \ + PIN_CFG_FILNUM | \ + PIN_CFG_FILCLKSEL) + +#define RZG2L_MPXED_ETH_PIN_FUNCS(x) ((x) | \ + PIN_CFG_FILONOFF | \ + PIN_CFG_FILNUM | \ + PIN_CFG_FILCLKSEL) + +/* + * n indicates number of pins in the port, a is the register index + * and f is pin configuration capabilities supported. + */ +#define RZG2L_GPIO_PORT_PACK(n, a, f) (((n) << 28) | ((a) << 20) | (f)) +#define RZG2L_GPIO_PORT_GET_PINCNT(x) (((x) & GENMASK(30, 28)) >> 28) +#define RZG2L_GPIO_PORT_GET_INDEX(x) (((x) & GENMASK(26, 20)) >> 20) +#define RZG2L_GPIO_PORT_GET_CFGS(x) ((x) & GENMASK(19, 0)) + +/* + * BIT(31) indicates dedicated pin, p is the register index while + * referencing to SR/IEN/IOLH/FILxx registers, b is the register bits + * (b * 8) and f is the pin configuration capabilities supported. + */ +#define RZG2L_SINGLE_PIN BIT(31) +#define RZG2L_SINGLE_PIN_PACK(p, b, f) (RZG2L_SINGLE_PIN | \ + ((p) << 24) | ((b) << 20) | (f)) +#define RZG2L_SINGLE_PIN_GET_PORT(x) (((x) & GENMASK(30, 24)) >> 24) +#define RZG2L_SINGLE_PIN_GET_BIT(x) (((x) & GENMASK(22, 20)) >> 20) +#define RZG2L_SINGLE_PIN_GET_CFGS(x) ((x) & GENMASK(19, 0)) + +#define P(n) (0x0000 + 0x10 + (n)) +#define PM(n) (0x0100 + 0x20 + (n) * 2) +#define PMC(n) (0x0200 + 0x10 + (n)) +#define PFC(n) (0x0400 + 0x40 + (n) * 4) +#define PIN(n) (0x0800 + 0x10 + (n)) +#define IEN(n) (0x1800 + (n) * 8) +#define PWPR (0x3014) +#define SD_CH(n) (0x3000 + (n) * 4) +#define QSPI (0x3008) + +#define PVDD_1800 1 /* I/O domain voltage <= 1.8V */ +#define PVDD_3300 0 /* I/O domain voltage >= 3.3V */ + +#define PWPR_B0WI BIT(7) /* Bit Write Disable */ +#define PWPR_PFCWE BIT(6) /* PFC Register Write Enable */ + +#define PM_MASK 0x03 +#define PVDD_MASK 0x01 +#define PFC_MASK 0x07 +#define IEN_MASK 0x01 + +#define PM_INPUT 0x1 +#define PM_OUTPUT 0x2 + +#define RZG2L_PIN_ID_TO_PORT(id) ((id) / RZG2L_PINS_PER_PORT) +#define RZG2L_PIN_ID_TO_PIN(id) ((id) % RZG2L_PINS_PER_PORT) + +struct rzg2l_dedicated_configs { + const char *name; + u32 config; +}; + +struct rzg2l_pinctrl_data { + const char * const *port_pins; + const u32 *port_pin_configs; + struct rzg2l_dedicated_configs *dedicated_pins; + unsigned int n_port_pins; + unsigned int n_dedicated_pins; +}; + +struct rzg2l_pinctrl { + struct pinctrl_dev *pctl; + struct pinctrl_desc desc; + struct pinctrl_pin_desc *pins; + + const struct rzg2l_pinctrl_data *data; + void __iomem *base; + struct device *dev; + struct clk *clk; + + struct gpio_chip gpio_chip; + struct pinctrl_gpio_range gpio_range; + + spinlock_t lock; +}; + +static void rzg2l_pinctrl_set_pfc_mode(struct rzg2l_pinctrl *pctrl, + u8 port, u8 pin, u8 func) +{ + unsigned long flags; + u32 reg; + + spin_lock_irqsave(&pctrl->lock, flags); + + /* Set pin to 'Non-use (Hi-Z input protection)' */ + reg = readw(pctrl->base + PM(port)); + reg &= ~(PM_MASK << (pin * 2)); + writew(reg, pctrl->base + PM(port)); + + /* Temporarily switch to GPIO mode with PMC register */ + reg = readb(pctrl->base + PMC(port)); + writeb(reg & ~BIT(pin), pctrl->base + PMC(port)); + + /* Set the PWPR register to allow PFC register to write */ + writel(0x0, pctrl->base + PWPR); /* B0WI=0, PFCWE=0 */ + writel(PWPR_PFCWE, pctrl->base + PWPR); /* B0WI=0, PFCWE=1 */ + + /* Select Pin function mode with PFC register */ + reg = readl(pctrl->base + PFC(port)); + reg &= ~(PFC_MASK << (pin * 4)); + writel(reg | (func << (pin * 4)), pctrl->base + PFC(port)); + + /* Set the PWPR register to be write-protected */ + writel(0x0, pctrl->base + PWPR); /* B0WI=0, PFCWE=0 */ + writel(PWPR_B0WI, pctrl->base + PWPR); /* B0WI=1, PFCWE=0 */ + + /* Switch to Peripheral pin function with PMC register */ + reg = readb(pctrl->base + PMC(port)); + writeb(reg | BIT(pin), pctrl->base + PMC(port)); + + spin_unlock_irqrestore(&pctrl->lock, flags); +}; + +static int rzg2l_pinctrl_set_mux(struct pinctrl_dev *pctldev, + unsigned int func_selector, + unsigned int group_selector) +{ + struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); + struct function_desc *func; + unsigned int i, *psel_val; + struct group_desc *group; + int *pins; + + func = pinmux_generic_get_function(pctldev, func_selector); + if (!func) + return -EINVAL; + group = pinctrl_generic_get_group(pctldev, group_selector); + if (!group) + return -EINVAL; + + psel_val = func->data; + pins = group->pins; + + for (i = 0; i < group->num_pins; i++) { + dev_dbg(pctrl->dev, "port:%u pin: %u PSEL:%u\n", + RZG2L_PIN_ID_TO_PORT(pins[i]), RZG2L_PIN_ID_TO_PIN(pins[i]), + psel_val[i]); + rzg2l_pinctrl_set_pfc_mode(pctrl, RZG2L_PIN_ID_TO_PORT(pins[i]), + RZG2L_PIN_ID_TO_PIN(pins[i]), psel_val[i]); + } + + return 0; +}; + +static int rzg2l_map_add_config(struct pinctrl_map *map, + const char *group_or_pin, + enum pinctrl_map_type type, + unsigned long *configs, + unsigned int num_configs) +{ + unsigned long *cfgs; + + cfgs = kmemdup(configs, num_configs * sizeof(*cfgs), + GFP_KERNEL); + if (!cfgs) + return -ENOMEM; + + map->type = type; + map->data.configs.group_or_pin = group_or_pin; + map->data.configs.configs = cfgs; + map->data.configs.num_configs = num_configs; + + return 0; +} + +static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev, + struct device_node *np, + struct pinctrl_map **map, + unsigned int *num_maps, + unsigned int *index) +{ + struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); + struct pinctrl_map *maps = *map; + unsigned int nmaps = *num_maps; + unsigned long *configs = NULL; + unsigned int *pins, *psel_val; + unsigned int num_pinmux = 0; + unsigned int idx = *index; + unsigned int num_pins, i; + unsigned int num_configs; + struct property *pinmux; + struct property *prop; + int ret, gsel, fsel; + const char **pin_fn; + const char *pin; + + pinmux = of_find_property(np, "pinmux", NULL); + if (pinmux) + num_pinmux = pinmux->length / sizeof(u32); + + ret = of_property_count_strings(np, "pins"); + if (ret == -EINVAL) { + num_pins = 0; + } else if (ret < 0) { + dev_err(pctrl->dev, "Invalid pins list in DT\n"); + return ret; + } else { + num_pins = ret; + } + + if (!num_pinmux && !num_pins) + return 0; + + if (num_pinmux && num_pins) { + dev_err(pctrl->dev, + "DT node must contain either a pinmux or pins and not both\n"); + return -EINVAL; + } + + ret = pinconf_generic_parse_dt_config(np, NULL, &configs, &num_configs); + if (ret < 0) + return ret; + + if (num_pins && !num_configs) { + dev_err(pctrl->dev, "DT node must contain a config\n"); + ret = -ENODEV; + goto done; + } + + if (num_pinmux) + nmaps += 1; + + if (num_pins) + nmaps += num_pins; + + maps = krealloc_array(maps, nmaps, sizeof(*maps), GFP_KERNEL); + if (!maps) { + ret = -ENOMEM; + goto done; + } + + *map = maps; + *num_maps = nmaps; + if (num_pins) { + of_property_for_each_string(np, "pins", prop, pin) { + ret = rzg2l_map_add_config(&maps[idx], pin, + PIN_MAP_TYPE_CONFIGS_PIN, + configs, num_configs); + if (ret < 0) + goto done; + + idx++; + } + ret = 0; + goto done; + } + + pins = devm_kcalloc(pctrl->dev, num_pinmux, sizeof(*pins), GFP_KERNEL); + psel_val = devm_kcalloc(pctrl->dev, num_pinmux, sizeof(*psel_val), + GFP_KERNEL); + pin_fn = devm_kzalloc(pctrl->dev, sizeof(*pin_fn), GFP_KERNEL); + if (!pins || !psel_val || !pin_fn) { + ret = -ENOMEM; + goto done; + } + + /* Collect pin locations and mux settings from DT properties */ + for (i = 0; i < num_pinmux; ++i) { + u32 value; + + ret = of_property_read_u32_index(np, "pinmux", i, &value); + if (ret) + goto done; + pins[i] = value & MUX_PIN_ID_MASK; + psel_val[i] = MUX_FUNC(value); + } + + /* Register a single pin group listing all the pins we read from DT */ + gsel = pinctrl_generic_add_group(pctldev, np->name, pins, num_pinmux, NULL); + if (gsel < 0) { + ret = gsel; + goto done; + } + + /* + * Register a single group function where the 'data' is an array PSEL + * register values read from DT. + */ + pin_fn[0] = np->name; + fsel = pinmux_generic_add_function(pctldev, np->name, pin_fn, 1, + psel_val); + if (fsel < 0) { + ret = fsel; + goto remove_group; + } + + maps[idx].type = PIN_MAP_TYPE_MUX_GROUP; + maps[idx].data.mux.group = np->name; + maps[idx].data.mux.function = np->name; + idx++; + + dev_dbg(pctrl->dev, "Parsed %pOF with %d pins\n", np, num_pinmux); + ret = 0; + goto done; + +remove_group: + pinctrl_generic_remove_group(pctldev, gsel); +done: + *index = idx; + kfree(configs); + return ret; +} + +static void rzg2l_dt_free_map(struct pinctrl_dev *pctldev, + struct pinctrl_map *map, + unsigned int num_maps) +{ + unsigned int i; + + if (!map) + return; + + for (i = 0; i < num_maps; ++i) { + if (map[i].type == PIN_MAP_TYPE_CONFIGS_GROUP || + map[i].type == PIN_MAP_TYPE_CONFIGS_PIN) + kfree(map[i].data.configs.configs); + } + kfree(map); +} + +static int rzg2l_dt_node_to_map(struct pinctrl_dev *pctldev, + struct device_node *np, + struct pinctrl_map **map, + unsigned int *num_maps) +{ + struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); + struct device_node *child; + unsigned int index; + int ret; + + *map = NULL; + *num_maps = 0; + index = 0; + + for_each_child_of_node(np, child) { + ret = rzg2l_dt_subnode_to_map(pctldev, child, map, + num_maps, &index); + if (ret < 0) { + of_node_put(child); + goto done; + } + } + + if (*num_maps == 0) { + ret = rzg2l_dt_subnode_to_map(pctldev, np, map, + num_maps, &index); + if (ret < 0) + goto done; + } + + if (*num_maps) + return 0; + + dev_err(pctrl->dev, "no mapping found in node %pOF\n", np); + ret = -EINVAL; + +done: + if (ret < 0) + rzg2l_dt_free_map(pctldev, *map, *num_maps); + + return ret; +} + +static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev, + unsigned int _pin, + unsigned long *config) +{ + struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); + enum pin_config_param param = pinconf_to_config_param(*config); + const struct pinctrl_pin_desc *pin = &pctrl->desc.pins[_pin]; + unsigned int *pin_data = pin->drv_data; + unsigned int arg = 0; + unsigned long flags; + void __iomem *addr; + u32 port = 0, reg; + u32 cfg = 0; + u8 bit = 0; + + if (!pin_data) + return -EINVAL; + + if (*pin_data & RZG2L_SINGLE_PIN) { + port = RZG2L_SINGLE_PIN_GET_PORT(*pin_data); + cfg = RZG2L_SINGLE_PIN_GET_CFGS(*pin_data); + bit = RZG2L_SINGLE_PIN_GET_BIT(*pin_data); + } + + switch (param) { + case PIN_CONFIG_INPUT_ENABLE: + if (!(cfg & PIN_CFG_IEN)) + return -EINVAL; + spin_lock_irqsave(&pctrl->lock, flags); + /* handle _L/_H for 32-bit register read/write */ + addr = pctrl->base + IEN(port); + if (bit >= 4) { + bit -= 4; + addr += 4; + } + + reg = readl(addr) & (IEN_MASK << (bit * 8)); + arg = (reg >> (bit * 8)) & 0x1; + spin_unlock_irqrestore(&pctrl->lock, flags); + break; + + case PIN_CONFIG_POWER_SOURCE: { + u32 pwr_reg = 0x0; + + if (cfg & PIN_CFG_IOLH_SD0) + pwr_reg = SD_CH(0); + else if (cfg & PIN_CFG_IOLH_SD1) + pwr_reg = SD_CH(1); + else if (cfg & PIN_CFG_IOLH_QSPI) + pwr_reg = QSPI; + else + return -EINVAL; + + spin_lock_irqsave(&pctrl->lock, flags); + addr = pctrl->base + pwr_reg; + arg = (readl(addr) & PVDD_MASK) ? 1800 : 3300; + spin_unlock_irqrestore(&pctrl->lock, flags); + break; + } + + default: + return -ENOTSUPP; + } + + *config = pinconf_to_config_packed(param, arg); + + return 0; +}; + +static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev, + unsigned int _pin, + unsigned long *_configs, + unsigned int num_configs) +{ + struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); + const struct pinctrl_pin_desc *pin = &pctrl->desc.pins[_pin]; + unsigned int *pin_data = pin->drv_data; + enum pin_config_param param; + unsigned long flags; + void __iomem *addr; + u32 port = 0, reg; + unsigned int i; + u32 cfg = 0; + u8 bit = 0; + + if (!pin_data) + return -EINVAL; + + if (*pin_data & RZG2L_SINGLE_PIN) { + port = RZG2L_SINGLE_PIN_GET_PORT(*pin_data); + cfg = RZG2L_SINGLE_PIN_GET_CFGS(*pin_data); + bit = RZG2L_SINGLE_PIN_GET_BIT(*pin_data); + } + + for (i = 0; i < num_configs; i++) { + param = pinconf_to_config_param(_configs[i]); + switch (param) { + case PIN_CONFIG_INPUT_ENABLE: { + unsigned int arg = + pinconf_to_config_argument(_configs[i]); + + if (!(cfg & PIN_CFG_IEN)) + return -EINVAL; + + /* handle _L/_H for 32-bit register read/write */ + addr = pctrl->base + IEN(port); + if (bit >= 4) { + bit -= 4; + addr += 4; + } + + spin_lock_irqsave(&pctrl->lock, flags); + reg = readl(addr) & ~(IEN_MASK << (bit * 8)); + writel(reg | (arg << (bit * 8)), addr); + spin_unlock_irqrestore(&pctrl->lock, flags); + break; + } + + case PIN_CONFIG_POWER_SOURCE: { + unsigned int mV = pinconf_to_config_argument(_configs[i]); + u32 pwr_reg = 0x0; + + if (mV != 1800 && mV != 3300) + return -EINVAL; + + if (cfg & PIN_CFG_IOLH_SD0) + pwr_reg = SD_CH(0); + else if (cfg & PIN_CFG_IOLH_SD1) + pwr_reg = SD_CH(1); + else if (cfg & PIN_CFG_IOLH_QSPI) + pwr_reg = QSPI; + else + return -EINVAL; + + addr = pctrl->base + pwr_reg; + spin_lock_irqsave(&pctrl->lock, flags); + writel((mV == 1800) ? PVDD_1800 : PVDD_3300, addr); + spin_unlock_irqrestore(&pctrl->lock, flags); + break; + } + default: + return -EOPNOTSUPP; + } + } + + return 0; +} + +static int rzg2l_pinctrl_pinconf_group_set(struct pinctrl_dev *pctldev, + unsigned int group, + unsigned long *configs, + unsigned int num_configs) +{ + const unsigned int *pins; + unsigned int i, npins; + int ret; + + ret = pinctrl_generic_get_group_pins(pctldev, group, &pins, &npins); + if (ret) + return ret; + + for (i = 0; i < npins; i++) { + ret = rzg2l_pinctrl_pinconf_set(pctldev, pins[i], configs, + num_configs); + if (ret) + return ret; + } + + return 0; +}; + +static int rzg2l_pinctrl_pinconf_group_get(struct pinctrl_dev *pctldev, + unsigned int group, + unsigned long *config) +{ + const unsigned int *pins; + unsigned int i, npins, prev_config = 0; + int ret; + + ret = pinctrl_generic_get_group_pins(pctldev, group, &pins, &npins); + if (ret) + return ret; + + for (i = 0; i < npins; i++) { + ret = rzg2l_pinctrl_pinconf_get(pctldev, pins[i], config); + if (ret) + return ret; + + /* Check config matching between to pin */ + if (i && prev_config != *config) + return -EOPNOTSUPP; + + prev_config = *config; + } + + return 0; +}; + +static const struct pinctrl_ops rzg2l_pinctrl_pctlops = { + .get_groups_count = pinctrl_generic_get_group_count, + .get_group_name = pinctrl_generic_get_group_name, + .get_group_pins = pinctrl_generic_get_group_pins, + .dt_node_to_map = rzg2l_dt_node_to_map, + .dt_free_map = rzg2l_dt_free_map, +}; + +static const struct pinmux_ops rzg2l_pinctrl_pmxops = { + .get_functions_count = pinmux_generic_get_function_count, + .get_function_name = pinmux_generic_get_function_name, + .get_function_groups = pinmux_generic_get_function_groups, + .set_mux = rzg2l_pinctrl_set_mux, + .strict = true, +}; + +static const struct pinconf_ops rzg2l_pinctrl_confops = { + .is_generic = true, + .pin_config_get = rzg2l_pinctrl_pinconf_get, + .pin_config_set = rzg2l_pinctrl_pinconf_set, + .pin_config_group_set = rzg2l_pinctrl_pinconf_group_set, + .pin_config_group_get = rzg2l_pinctrl_pinconf_group_get, + .pin_config_config_dbg_show = pinconf_generic_dump_config, +}; + +static int rzg2l_gpio_request(struct gpio_chip *chip, unsigned int offset) +{ + struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip); + u32 port = RZG2L_PIN_ID_TO_PORT(offset); + u8 bit = RZG2L_PIN_ID_TO_PIN(offset); + unsigned long flags; + u8 reg8; + int ret; + + ret = pinctrl_gpio_request(chip->base + offset); + if (ret) + return ret; + + spin_lock_irqsave(&pctrl->lock, flags); + + /* Select GPIO mode in PMC Register */ + reg8 = readb(pctrl->base + PMC(port)); + reg8 &= ~BIT(bit); + writeb(reg8, pctrl->base + PMC(port)); + + spin_unlock_irqrestore(&pctrl->lock, flags); + + return 0; +} + +static void rzg2l_gpio_set_direction(struct rzg2l_pinctrl *pctrl, u32 port, + u8 bit, bool output) +{ + unsigned long flags; + u16 reg16; + + spin_lock_irqsave(&pctrl->lock, flags); + + reg16 = readw(pctrl->base + PM(port)); + reg16 &= ~(PM_MASK << (bit * 2)); + + reg16 |= (output ? PM_OUTPUT : PM_INPUT) << (bit * 2); + writew(reg16, pctrl->base + PM(port)); + + spin_unlock_irqrestore(&pctrl->lock, flags); +} + +static int rzg2l_gpio_get_direction(struct gpio_chip *chip, unsigned int offset) +{ + struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip); + u32 port = RZG2L_PIN_ID_TO_PORT(offset); + u8 bit = RZG2L_PIN_ID_TO_PIN(offset); + + if (!(readb(pctrl->base + PMC(port)) & BIT(bit))) { + u16 reg16; + + reg16 = readw(pctrl->base + PM(port)); + reg16 = (reg16 >> (bit * 2)) & PM_MASK; + if (reg16 == PM_OUTPUT) + return GPIO_LINE_DIRECTION_OUT; + } + + return GPIO_LINE_DIRECTION_IN; +} + +static int rzg2l_gpio_direction_input(struct gpio_chip *chip, + unsigned int offset) +{ + struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip); + u32 port = RZG2L_PIN_ID_TO_PORT(offset); + u8 bit = RZG2L_PIN_ID_TO_PIN(offset); + + rzg2l_gpio_set_direction(pctrl, port, bit, false); + + return 0; +} + +static void rzg2l_gpio_set(struct gpio_chip *chip, unsigned int offset, + int value) +{ + struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip); + u32 port = RZG2L_PIN_ID_TO_PORT(offset); + u8 bit = RZG2L_PIN_ID_TO_PIN(offset); + unsigned long flags; + u8 reg8; + + spin_lock_irqsave(&pctrl->lock, flags); + + reg8 = readb(pctrl->base + P(port)); + + if (value) + writeb(reg8 | BIT(bit), pctrl->base + P(port)); + else + writeb(reg8 & ~BIT(bit), pctrl->base + P(port)); + + spin_unlock_irqrestore(&pctrl->lock, flags); +} + +static int rzg2l_gpio_direction_output(struct gpio_chip *chip, + unsigned int offset, int value) +{ + struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip); + u32 port = RZG2L_PIN_ID_TO_PORT(offset); + u8 bit = RZG2L_PIN_ID_TO_PIN(offset); + + rzg2l_gpio_set(chip, offset, value); + rzg2l_gpio_set_direction(pctrl, port, bit, true); + + return 0; +} + +static int rzg2l_gpio_get(struct gpio_chip *chip, unsigned int offset) +{ + struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip); + u32 port = RZG2L_PIN_ID_TO_PORT(offset); + u8 bit = RZG2L_PIN_ID_TO_PIN(offset); + u16 reg16; + + reg16 = readw(pctrl->base + PM(port)); + reg16 = (reg16 >> (bit * 2)) & PM_MASK; + + if (reg16 == PM_INPUT) + return !!(readb(pctrl->base + PIN(port)) & BIT(bit)); + else if (reg16 == PM_OUTPUT) + return !!(readb(pctrl->base + P(port)) & BIT(bit)); + else + return -EINVAL; +} + +static void rzg2l_gpio_free(struct gpio_chip *chip, unsigned int offset) +{ + pinctrl_gpio_free(chip->base + offset); + + /* + * Set the GPIO as an input to ensure that the next GPIO request won't + * drive the GPIO pin as an output. + */ + rzg2l_gpio_direction_input(chip, offset); +} + +static const char * const rzg2l_gpio_names[] = { + "P0_0", "P0_1", "P0_2", "P0_3", "P0_4", "P0_5", "P0_6", "P0_7", + "P1_0", "P1_1", "P1_2", "P1_3", "P1_4", "P1_5", "P1_6", "P1_7", + "P2_0", "P2_1", "P2_2", "P2_3", "P2_4", "P2_5", "P2_6", "P2_7", + "P3_0", "P3_1", "P3_2", "P3_3", "P3_4", "P3_5", "P3_6", "P3_7", + "P4_0", "P4_1", "P4_2", "P4_3", "P4_4", "P4_5", "P4_6", "P4_7", + "P5_0", "P5_1", "P5_2", "P5_3", "P5_4", "P5_5", "P5_6", "P5_7", + "P6_0", "P6_1", "P6_2", "P6_3", "P6_4", "P6_5", "P6_6", "P6_7", + "P7_0", "P7_1", "P7_2", "P7_3", "P7_4", "P7_5", "P7_6", "P7_7", + "P8_0", "P8_1", "P8_2", "P8_3", "P8_4", "P8_5", "P8_6", "P8_7", + "P9_0", "P9_1", "P9_2", "P9_3", "P9_4", "P9_5", "P9_6", "P9_7", + "P10_0", "P10_1", "P10_2", "P10_3", "P10_4", "P10_5", "P10_6", "P10_7", + "P11_0", "P11_1", "P11_2", "P11_3", "P11_4", "P11_5", "P11_6", "P11_7", + "P12_0", "P12_1", "P12_2", "P12_3", "P12_4", "P12_5", "P12_6", "P12_7", + "P13_0", "P13_1", "P13_2", "P13_3", "P13_4", "P13_5", "P13_6", "P13_7", + "P14_0", "P14_1", "P14_2", "P14_3", "P14_4", "P14_5", "P14_6", "P14_7", + "P15_0", "P15_1", "P15_2", "P15_3", "P15_4", "P15_5", "P15_6", "P15_7", + "P16_0", "P16_1", "P16_2", "P16_3", "P16_4", "P16_5", "P16_6", "P16_7", + "P17_0", "P17_1", "P17_2", "P17_3", "P17_4", "P17_5", "P17_6", "P17_7", + "P18_0", "P18_1", "P18_2", "P18_3", "P18_4", "P18_5", "P18_6", "P18_7", + "P19_0", "P19_1", "P19_2", "P19_3", "P19_4", "P19_5", "P19_6", "P19_7", + "P20_0", "P20_1", "P20_2", "P20_3", "P20_4", "P20_5", "P20_6", "P20_7", + "P21_0", "P21_1", "P21_2", "P21_3", "P21_4", "P21_5", "P21_6", "P21_7", + "P22_0", "P22_1", "P22_2", "P22_3", "P22_4", "P22_5", "P22_6", "P22_7", + "P23_0", "P23_1", "P23_2", "P23_3", "P23_4", "P23_5", "P23_6", "P23_7", + "P24_0", "P24_1", "P24_2", "P24_3", "P24_4", "P24_5", "P24_6", "P24_7", + "P25_0", "P25_1", "P25_2", "P25_3", "P25_4", "P25_5", "P25_6", "P25_7", + "P26_0", "P26_1", "P26_2", "P26_3", "P26_4", "P26_5", "P26_6", "P26_7", + "P27_0", "P27_1", "P27_2", "P27_3", "P27_4", "P27_5", "P27_6", "P27_7", + "P28_0", "P28_1", "P28_2", "P28_3", "P28_4", "P28_5", "P28_6", "P28_7", + "P29_0", "P29_1", "P29_2", "P29_3", "P29_4", "P29_5", "P29_6", "P29_7", + "P30_0", "P30_1", "P30_2", "P30_3", "P30_4", "P30_5", "P30_6", "P30_7", + "P31_0", "P31_1", "P31_2", "P31_3", "P31_4", "P31_5", "P31_6", "P31_7", + "P32_0", "P32_1", "P32_2", "P32_3", "P32_4", "P32_5", "P32_6", "P32_7", + "P33_0", "P33_1", "P33_2", "P33_3", "P33_4", "P33_5", "P33_6", "P33_7", + "P34_0", "P34_1", "P34_2", "P34_3", "P34_4", "P34_5", "P34_6", "P34_7", + "P35_0", "P35_1", "P35_2", "P35_3", "P35_4", "P35_5", "P35_6", "P35_7", + "P36_0", "P36_1", "P36_2", "P36_3", "P36_4", "P36_5", "P36_6", "P36_7", + "P37_0", "P37_1", "P37_2", "P37_3", "P37_4", "P37_5", "P37_6", "P37_7", + "P38_0", "P38_1", "P38_2", "P38_3", "P38_4", "P38_5", "P38_6", "P38_7", + "P39_0", "P39_1", "P39_2", "P39_3", "P39_4", "P39_5", "P39_6", "P39_7", + "P40_0", "P40_1", "P40_2", "P40_3", "P40_4", "P40_5", "P40_6", "P40_7", + "P41_0", "P41_1", "P41_2", "P41_3", "P41_4", "P41_5", "P41_6", "P41_7", + "P42_0", "P42_1", "P42_2", "P42_3", "P42_4", "P42_5", "P42_6", "P42_7", + "P43_0", "P43_1", "P43_2", "P43_3", "P43_4", "P43_5", "P43_6", "P43_7", + "P44_0", "P44_1", "P44_2", "P44_3", "P44_4", "P44_5", "P44_6", "P44_7", + "P45_0", "P45_1", "P45_2", "P45_3", "P45_4", "P45_5", "P45_6", "P45_7", + "P46_0", "P46_1", "P46_2", "P46_3", "P46_4", "P46_5", "P46_6", "P46_7", + "P47_0", "P47_1", "P47_2", "P47_3", "P47_4", "P47_5", "P47_6", "P47_7", + "P48_0", "P48_1", "P48_2", "P48_3", "P48_4", "P48_5", "P48_6", "P48_7", +}; + +static const u32 rzg2l_gpio_configs[] = { + RZG2L_GPIO_PORT_PACK(2, 0x10, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(2, 0x11, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(2, 0x12, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(2, 0x13, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(2, 0x14, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(3, 0x15, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(2, 0x16, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(3, 0x17, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(3, 0x18, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(2, 0x19, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(2, 0x1a, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(2, 0x1b, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(2, 0x1c, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(3, 0x1d, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(2, 0x1e, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(2, 0x1f, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(2, 0x20, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(3, 0x22, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(2, 0x22, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(2, 0x23, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(3, 0x24, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH0)), + RZG2L_GPIO_PORT_PACK(2, 0x25, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH0)), + RZG2L_GPIO_PORT_PACK(2, 0x26, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH0)), + RZG2L_GPIO_PORT_PACK(2, 0x27, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH0)), + RZG2L_GPIO_PORT_PACK(2, 0x28, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH0)), + RZG2L_GPIO_PORT_PACK(2, 0x29, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH0)), + RZG2L_GPIO_PORT_PACK(2, 0x2a, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH0)), + RZG2L_GPIO_PORT_PACK(2, 0x2b, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH0)), + RZG2L_GPIO_PORT_PACK(2, 0x2c, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH0)), + RZG2L_GPIO_PORT_PACK(2, 0x2d, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH1)), + RZG2L_GPIO_PORT_PACK(2, 0x2e, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH1)), + RZG2L_GPIO_PORT_PACK(2, 0x2f, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH1)), + RZG2L_GPIO_PORT_PACK(2, 0x30, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH1)), + RZG2L_GPIO_PORT_PACK(2, 0x31, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH1)), + RZG2L_GPIO_PORT_PACK(2, 0x32, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH1)), + RZG2L_GPIO_PORT_PACK(2, 0x33, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH1)), + RZG2L_GPIO_PORT_PACK(2, 0x34, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH1)), + RZG2L_GPIO_PORT_PACK(3, 0x35, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_ETH1)), + RZG2L_GPIO_PORT_PACK(2, 0x36, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(3, 0x37, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(3, 0x38, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(2, 0x39, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(5, 0x3a, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(4, 0x3b, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(4, 0x3c, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(4, 0x3d, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(4, 0x3e, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(4, 0x3f, RZG2L_MPXED_PIN_FUNCS), + RZG2L_GPIO_PORT_PACK(5, 0x40, RZG2L_MPXED_PIN_FUNCS), +}; + +static struct rzg2l_dedicated_configs rzg2l_dedicated_pins[] = { + { "NMI", RZG2L_SINGLE_PIN_PACK(0x1, 0, + (PIN_CFG_FILONOFF | PIN_CFG_FILNUM | PIN_CFG_FILCLKSEL)) }, + { "TMS/SWDIO", RZG2L_SINGLE_PIN_PACK(0x2, 0, + (PIN_CFG_SR | PIN_CFG_IOLH | PIN_CFG_IEN)) }, + { "TDO", RZG2L_SINGLE_PIN_PACK(0x3, 0, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IEN)) }, + { "AUDIO_CLK1", RZG2L_SINGLE_PIN_PACK(0x4, 0, PIN_CFG_IEN) }, + { "AUDIO_CLK2", RZG2L_SINGLE_PIN_PACK(0x4, 1, PIN_CFG_IEN) }, + { "SD0_CLK", RZG2L_SINGLE_PIN_PACK(0x6, 0, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IOLH_SD0)) }, + { "SD0_CMD", RZG2L_SINGLE_PIN_PACK(0x6, 1, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IOLH_SD0)) }, + { "SD0_RST#", RZG2L_SINGLE_PIN_PACK(0x6, 2, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IOLH_SD0)) }, + { "SD0_DATA0", RZG2L_SINGLE_PIN_PACK(0x7, 0, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IOLH_SD0)) }, + { "SD0_DATA1", RZG2L_SINGLE_PIN_PACK(0x7, 1, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IOLH_SD0)) }, + { "SD0_DATA2", RZG2L_SINGLE_PIN_PACK(0x7, 2, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IOLH_SD0)) }, + { "SD0_DATA3", RZG2L_SINGLE_PIN_PACK(0x7, 3, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IOLH_SD0)) }, + { "SD0_DATA4", RZG2L_SINGLE_PIN_PACK(0x7, 4, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IOLH_SD0)) }, + { "SD0_DATA5", RZG2L_SINGLE_PIN_PACK(0x7, 5, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IOLH_SD0)) }, + { "SD0_DATA6", RZG2L_SINGLE_PIN_PACK(0x7, 6, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IOLH_SD0)) }, + { "SD0_DATA7", RZG2L_SINGLE_PIN_PACK(0x7, 7, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IOLH_SD0)) }, + { "SD1_CLK", RZG2L_SINGLE_PIN_PACK(0x8, 0, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IOLH_SD1))}, + { "SD1_CMD", RZG2L_SINGLE_PIN_PACK(0x8, 1, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IOLH_SD1)) }, + { "SD1_DATA0", RZG2L_SINGLE_PIN_PACK(0x9, 0, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IOLH_SD1)) }, + { "SD1_DATA1", RZG2L_SINGLE_PIN_PACK(0x9, 1, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IOLH_SD1)) }, + { "SD1_DATA2", RZG2L_SINGLE_PIN_PACK(0x9, 2, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IOLH_SD1)) }, + { "SD1_DATA3", RZG2L_SINGLE_PIN_PACK(0x9, 3, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IOLH_SD1)) }, + { "QSPI0_SPCLK", RZG2L_SINGLE_PIN_PACK(0xa, 0, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IOLH_QSPI)) }, + { "QSPI0_IO0", RZG2L_SINGLE_PIN_PACK(0xa, 1, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IOLH_QSPI)) }, + { "QSPI0_IO1", RZG2L_SINGLE_PIN_PACK(0xa, 2, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IOLH_QSPI)) }, + { "QSPI0_IO2", RZG2L_SINGLE_PIN_PACK(0xa, 3, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IOLH_QSPI)) }, + { "QSPI0_IO3", RZG2L_SINGLE_PIN_PACK(0xa, 4, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IOLH_QSPI)) }, + { "QSPI0_SSL", RZG2L_SINGLE_PIN_PACK(0xa, 5, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IOLH_QSPI)) }, + { "QSPI1_SPCLK", RZG2L_SINGLE_PIN_PACK(0xb, 0, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IOLH_QSPI)) }, + { "QSPI1_IO0", RZG2L_SINGLE_PIN_PACK(0xb, 1, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IOLH_QSPI)) }, + { "QSPI1_IO1", RZG2L_SINGLE_PIN_PACK(0xb, 2, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IOLH_QSPI)) }, + { "QSPI1_IO2", RZG2L_SINGLE_PIN_PACK(0xb, 3, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IOLH_QSPI)) }, + { "QSPI1_IO3", RZG2L_SINGLE_PIN_PACK(0xb, 4, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IOLH_QSPI)) }, + { "QSPI1_SSL", RZG2L_SINGLE_PIN_PACK(0xb, 5, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IOLH_QSPI)) }, + { "QSPI_RESET#", RZG2L_SINGLE_PIN_PACK(0xc, 0, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IOLH_QSPI)) }, + { "QSPI_WP#", RZG2L_SINGLE_PIN_PACK(0xc, 1, + (PIN_CFG_IOLH | PIN_CFG_SR | PIN_CFG_IOLH_QSPI)) }, + { "QSPI_INT#", RZG2L_SINGLE_PIN_PACK(0xc, 2, (PIN_CFG_SR | PIN_CFG_IOLH_QSPI)) }, + { "WDTOVF_PERROUT#", RZG2L_SINGLE_PIN_PACK(0xd, 0, (PIN_CFG_IOLH | PIN_CFG_SR)) }, + { "RIIC0_SDA", RZG2L_SINGLE_PIN_PACK(0xe, 0, PIN_CFG_IEN) }, + { "RIIC0_SCL", RZG2L_SINGLE_PIN_PACK(0xe, 1, PIN_CFG_IEN) }, + { "RIIC1_SDA", RZG2L_SINGLE_PIN_PACK(0xe, 2, PIN_CFG_IEN) }, + { "RIIC1_SCL", RZG2L_SINGLE_PIN_PACK(0xe, 3, PIN_CFG_IEN) }, +}; + +static int rzg2l_gpio_register(struct rzg2l_pinctrl *pctrl) +{ + struct device_node *np = pctrl->dev->of_node; + struct gpio_chip *chip = &pctrl->gpio_chip; + const char *name = dev_name(pctrl->dev); + struct of_phandle_args of_args; + int ret; + + ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, &of_args); + if (ret) { + dev_err(pctrl->dev, "Unable to parse gpio-ranges\n"); + return ret; + } + + if (of_args.args[0] != 0 || of_args.args[1] != 0 || + of_args.args[2] != ARRAY_SIZE(rzg2l_gpio_names)) { + dev_err(pctrl->dev, "gpio-ranges does not match selected SOC\n"); + return -EINVAL; + } + + chip->names = rzg2l_gpio_names; + chip->request = rzg2l_gpio_request; + chip->free = rzg2l_gpio_free; + chip->get_direction = rzg2l_gpio_get_direction; + chip->direction_input = rzg2l_gpio_direction_input; + chip->direction_output = rzg2l_gpio_direction_output; + chip->get = rzg2l_gpio_get; + chip->set = rzg2l_gpio_set; + chip->label = name; + chip->parent = pctrl->dev; + chip->owner = THIS_MODULE; + chip->base = -1; + chip->ngpio = of_args.args[2]; + + pctrl->gpio_range.id = 0; + pctrl->gpio_range.pin_base = 0; + pctrl->gpio_range.base = 0; + pctrl->gpio_range.npins = chip->ngpio; + pctrl->gpio_range.name = chip->label; + pctrl->gpio_range.gc = chip; + ret = devm_gpiochip_add_data(pctrl->dev, chip, pctrl); + if (ret) { + dev_err(pctrl->dev, "failed to add GPIO controller\n"); + return ret; + } + + dev_dbg(pctrl->dev, "Registered gpio controller\n"); + + return 0; +} + +static int rzg2l_pinctrl_register(struct rzg2l_pinctrl *pctrl) +{ + struct pinctrl_pin_desc *pins; + unsigned int i, j; + u32 *pin_data; + int ret; + + pctrl->desc.name = DRV_NAME; + pctrl->desc.npins = pctrl->data->n_port_pins + pctrl->data->n_dedicated_pins; + pctrl->desc.pctlops = &rzg2l_pinctrl_pctlops; + pctrl->desc.pmxops = &rzg2l_pinctrl_pmxops; + pctrl->desc.confops = &rzg2l_pinctrl_confops; + pctrl->desc.owner = THIS_MODULE; + + pins = devm_kcalloc(pctrl->dev, pctrl->desc.npins, sizeof(*pins), GFP_KERNEL); + if (!pins) + return -ENOMEM; + + pin_data = devm_kcalloc(pctrl->dev, pctrl->desc.npins, + sizeof(*pin_data), GFP_KERNEL); + if (!pin_data) + return -ENOMEM; + + pctrl->pins = pins; + pctrl->desc.pins = pins; + + for (i = 0, j = 0; i < pctrl->data->n_port_pins; i++) { + pins[i].number = i; + pins[i].name = pctrl->data->port_pins[i]; + if (i && !(i % RZG2L_PINS_PER_PORT)) + j++; + pin_data[i] = pctrl->data->port_pin_configs[j]; + pins[i].drv_data = &pin_data[i]; + } + + for (i = 0; i < pctrl->data->n_dedicated_pins; i++) { + unsigned int index = pctrl->data->n_port_pins + i; + + pins[index].number = index; + pins[index].name = pctrl->data->dedicated_pins[i].name; + pin_data[index] = pctrl->data->dedicated_pins[i].config; + pins[index].drv_data = &pin_data[index]; + } + + ret = devm_pinctrl_register_and_init(pctrl->dev, &pctrl->desc, pctrl, + &pctrl->pctl); + if (ret) { + dev_err(pctrl->dev, "pinctrl registration failed\n"); + return ret; + } + + ret = pinctrl_enable(pctrl->pctl); + if (ret) { + dev_err(pctrl->dev, "pinctrl enable failed\n"); + return ret; + } + + ret = rzg2l_gpio_register(pctrl); + if (ret) { + dev_err(pctrl->dev, "failed to add GPIO chip: %i\n", ret); + return ret; + } + + return 0; +} + +static void rzg2l_pinctrl_clk_disable(void *data) +{ + clk_disable_unprepare(data); +} + +static int rzg2l_pinctrl_probe(struct platform_device *pdev) +{ + struct rzg2l_pinctrl *pctrl; + int ret; + + pctrl = devm_kzalloc(&pdev->dev, sizeof(*pctrl), GFP_KERNEL); + if (!pctrl) + return -ENOMEM; + + pctrl->dev = &pdev->dev; + + pctrl->data = of_device_get_match_data(&pdev->dev); + if (!pctrl->data) + return -EINVAL; + + pctrl->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(pctrl->base)) + return PTR_ERR(pctrl->base); + + pctrl->clk = devm_clk_get(pctrl->dev, NULL); + if (IS_ERR(pctrl->clk)) { + ret = PTR_ERR(pctrl->clk); + dev_err(pctrl->dev, "failed to get GPIO clk : %i\n", ret); + return ret; + } + + spin_lock_init(&pctrl->lock); + + platform_set_drvdata(pdev, pctrl); + + ret = clk_prepare_enable(pctrl->clk); + if (ret) { + dev_err(pctrl->dev, "failed to enable GPIO clk: %i\n", ret); + return ret; + } + + ret = devm_add_action_or_reset(&pdev->dev, rzg2l_pinctrl_clk_disable, + pctrl->clk); + if (ret) { + dev_err(pctrl->dev, + "failed to register GPIO clk disable action, %i\n", + ret); + return ret; + } + + ret = rzg2l_pinctrl_register(pctrl); + if (ret) + return ret; + + dev_info(pctrl->dev, "%s support registered\n", DRV_NAME); + return 0; +} + +static struct rzg2l_pinctrl_data r9a07g044_data = { + .port_pins = rzg2l_gpio_names, + .port_pin_configs = rzg2l_gpio_configs, + .dedicated_pins = rzg2l_dedicated_pins, + .n_port_pins = ARRAY_SIZE(rzg2l_gpio_names), + .n_dedicated_pins = ARRAY_SIZE(rzg2l_dedicated_pins), +}; + +static const struct of_device_id rzg2l_pinctrl_of_table[] = { + { + .compatible = "renesas,r9a07g044-pinctrl", + .data = &r9a07g044_data, + }, + { /* sentinel */ } +}; + +static struct platform_driver rzg2l_pinctrl_driver = { + .driver = { + .name = DRV_NAME, + .of_match_table = of_match_ptr(rzg2l_pinctrl_of_table), + }, + .probe = rzg2l_pinctrl_probe, +}; + +static int __init rzg2l_pinctrl_init(void) +{ + return platform_driver_register(&rzg2l_pinctrl_driver); +} +core_initcall(rzg2l_pinctrl_init); + +MODULE_AUTHOR("Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>"); +MODULE_DESCRIPTION("Pin and gpio controller driver for RZ/G2L family"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/pinctrl/renesas/pinctrl.c b/drivers/pinctrl/renesas/pinctrl.c index bb488af29862..f3eecb20c086 100644 --- a/drivers/pinctrl/renesas/pinctrl.c +++ b/drivers/pinctrl/renesas/pinctrl.c @@ -841,7 +841,7 @@ int sh_pfc_register_pinctrl(struct sh_pfc *pfc) return pinctrl_enable(pmx->pctl); } -static const struct pinmux_bias_reg * +const struct pinmux_bias_reg * rcar_pin_to_bias_reg(const struct sh_pfc *pfc, unsigned int pin, unsigned int *bit) { @@ -898,17 +898,17 @@ void rcar_pinmux_set_bias(struct sh_pfc *pfc, unsigned int pin, if (reg->puen) { enable = sh_pfc_read(pfc, reg->puen) & ~BIT(bit); - if (bias != PIN_CONFIG_BIAS_DISABLE) + if (bias != PIN_CONFIG_BIAS_DISABLE) { enable |= BIT(bit); - if (reg->pud) { - updown = sh_pfc_read(pfc, reg->pud) & ~BIT(bit); - if (bias == PIN_CONFIG_BIAS_PULL_UP) - updown |= BIT(bit); + if (reg->pud) { + updown = sh_pfc_read(pfc, reg->pud) & ~BIT(bit); + if (bias == PIN_CONFIG_BIAS_PULL_UP) + updown |= BIT(bit); - sh_pfc_write(pfc, reg->pud, updown); + sh_pfc_write(pfc, reg->pud, updown); + } } - sh_pfc_write(pfc, reg->puen, enable); } else { enable = sh_pfc_read(pfc, reg->pud) & ~BIT(bit); diff --git a/drivers/pinctrl/renesas/sh_pfc.h b/drivers/pinctrl/renesas/sh_pfc.h index 320898861c4b..2479b4fb9cf9 100644 --- a/drivers/pinctrl/renesas/sh_pfc.h +++ b/drivers/pinctrl/renesas/sh_pfc.h @@ -332,8 +332,8 @@ extern const struct sh_pfc_soc_info r8a7791_pinmux_info; extern const struct sh_pfc_soc_info r8a7792_pinmux_info; extern const struct sh_pfc_soc_info r8a7793_pinmux_info; extern const struct sh_pfc_soc_info r8a7794_pinmux_info; -extern const struct sh_pfc_soc_info r8a77950_pinmux_info __weak; -extern const struct sh_pfc_soc_info r8a77951_pinmux_info __weak; +extern const struct sh_pfc_soc_info r8a77950_pinmux_info; +extern const struct sh_pfc_soc_info r8a77951_pinmux_info; extern const struct sh_pfc_soc_info r8a77960_pinmux_info; extern const struct sh_pfc_soc_info r8a77961_pinmux_info; extern const struct sh_pfc_soc_info r8a77965_pinmux_info; @@ -781,6 +781,9 @@ extern const struct sh_pfc_soc_info shx3_pinmux_info; /* * Bias helpers */ +const struct pinmux_bias_reg * +rcar_pin_to_bias_reg(const struct sh_pfc *pfc, unsigned int pin, + unsigned int *bit); unsigned int rcar_pinmux_get_bias(struct sh_pfc *pfc, unsigned int pin); void rcar_pinmux_set_bias(struct sh_pfc *pfc, unsigned int pin, unsigned int bias); |