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-rw-r--r--drivers/clk/tegra/clk-id.h17
-rw-r--r--drivers/clk/tegra/clk-periph-gate.c3
-rw-r--r--drivers/clk/tegra/clk-periph.c6
-rw-r--r--drivers/clk/tegra/clk-pll.c174
-rw-r--r--drivers/clk/tegra/clk-super.c87
-rw-r--r--drivers/clk/tegra/clk-tegra-audio.c85
-rw-r--r--drivers/clk/tegra/clk-tegra-periph.c41
-rw-r--r--drivers/clk/tegra/clk-tegra-pmc.c6
-rw-r--r--drivers/clk/tegra/clk-tegra114.c1
-rw-r--r--drivers/clk/tegra/clk-tegra124.c1
-rw-r--r--drivers/clk/tegra/clk-tegra210.c499
-rw-r--r--drivers/clk/tegra/clk-tegra30.c1
-rw-r--r--drivers/clk/tegra/clk.c16
-rw-r--r--drivers/clk/tegra/clk.h15
14 files changed, 699 insertions, 253 deletions
diff --git a/drivers/clk/tegra/clk-id.h b/drivers/clk/tegra/clk-id.h
index 5738635c5274..689f344377a7 100644
--- a/drivers/clk/tegra/clk-id.h
+++ b/drivers/clk/tegra/clk-id.h
@@ -307,6 +307,23 @@ enum clk_id {
tegra_clk_xusb_ssp_src,
tegra_clk_sclk_mux,
tegra_clk_sor_safe,
+ tegra_clk_cec,
+ tegra_clk_ispa,
+ tegra_clk_dmic1,
+ tegra_clk_dmic2,
+ tegra_clk_dmic3,
+ tegra_clk_dmic1_sync_clk,
+ tegra_clk_dmic2_sync_clk,
+ tegra_clk_dmic3_sync_clk,
+ tegra_clk_dmic1_sync_clk_mux,
+ tegra_clk_dmic2_sync_clk_mux,
+ tegra_clk_dmic3_sync_clk_mux,
+ tegra_clk_iqc1,
+ tegra_clk_iqc2,
+ tegra_clk_pll_a_out_adsp,
+ tegra_clk_pll_a_out0_out_adsp,
+ tegra_clk_adsp,
+ tegra_clk_adsp_neon,
tegra_clk_max,
};
diff --git a/drivers/clk/tegra/clk-periph-gate.c b/drivers/clk/tegra/clk-periph-gate.c
index 88127828befe..303ef32ee3f1 100644
--- a/drivers/clk/tegra/clk-periph-gate.c
+++ b/drivers/clk/tegra/clk-periph-gate.c
@@ -159,6 +159,9 @@ struct clk *tegra_clk_register_periph_gate(const char *name,
gate->enable_refcnt = enable_refcnt;
gate->regs = pregs;
+ if (read_enb(gate) & periph_clk_to_bit(gate))
+ enable_refcnt[clk_num]++;
+
/* Data in .init is copied by clk_register(), so stack variable OK */
gate->hw.init = &init;
diff --git a/drivers/clk/tegra/clk-periph.c b/drivers/clk/tegra/clk-periph.c
index a17ca6d7f649..cf80831de79d 100644
--- a/drivers/clk/tegra/clk-periph.c
+++ b/drivers/clk/tegra/clk-periph.c
@@ -138,7 +138,7 @@ static const struct clk_ops tegra_clk_periph_no_gate_ops = {
};
static struct clk *_tegra_clk_register_periph(const char *name,
- const char **parent_names, int num_parents,
+ const char * const *parent_names, int num_parents,
struct tegra_clk_periph *periph,
void __iomem *clk_base, u32 offset,
unsigned long flags)
@@ -186,7 +186,7 @@ static struct clk *_tegra_clk_register_periph(const char *name,
}
struct clk *tegra_clk_register_periph(const char *name,
- const char **parent_names, int num_parents,
+ const char * const *parent_names, int num_parents,
struct tegra_clk_periph *periph, void __iomem *clk_base,
u32 offset, unsigned long flags)
{
@@ -195,7 +195,7 @@ struct clk *tegra_clk_register_periph(const char *name,
}
struct clk *tegra_clk_register_periph_nodiv(const char *name,
- const char **parent_names, int num_parents,
+ const char * const *parent_names, int num_parents,
struct tegra_clk_periph *periph, void __iomem *clk_base,
u32 offset)
{
diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
index b3855360d6bc..159a854779e6 100644
--- a/drivers/clk/tegra/clk-pll.c
+++ b/drivers/clk/tegra/clk-pll.c
@@ -2517,152 +2517,6 @@ static int clk_plle_tegra210_is_enabled(struct clk_hw *hw)
return val & PLLE_BASE_ENABLE ? 1 : 0;
}
-static int clk_pllu_tegra210_enable(struct clk_hw *hw)
-{
- struct tegra_clk_pll *pll = to_clk_pll(hw);
- struct clk_hw *pll_ref = clk_hw_get_parent(hw);
- struct clk_hw *osc = clk_hw_get_parent(pll_ref);
- const struct utmi_clk_param *params = NULL;
- unsigned long flags = 0, input_rate;
- unsigned int i;
- int ret = 0;
- u32 value;
-
- if (!osc) {
- pr_err("%s: failed to get OSC clock\n", __func__);
- return -EINVAL;
- }
-
- input_rate = clk_hw_get_rate(osc);
-
- if (pll->lock)
- spin_lock_irqsave(pll->lock, flags);
-
- _clk_pll_enable(hw);
-
- ret = clk_pll_wait_for_lock(pll);
- if (ret < 0)
- goto out;
-
- for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
- if (input_rate == utmi_parameters[i].osc_frequency) {
- params = &utmi_parameters[i];
- break;
- }
- }
-
- if (!params) {
- pr_err("%s: unexpected input rate %lu Hz\n", __func__,
- input_rate);
- ret = -EINVAL;
- goto out;
- }
-
- value = pll_readl_base(pll);
- value &= ~PLLU_BASE_OVERRIDE;
- pll_writel_base(value, pll);
-
- /* Put PLLU under HW control */
- value = readl_relaxed(pll->clk_base + PLLU_HW_PWRDN_CFG0);
- value |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE |
- PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT |
- PLLU_HW_PWRDN_CFG0_USE_LOCKDET;
- value &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL |
- PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL);
- writel_relaxed(value, pll->clk_base + PLLU_HW_PWRDN_CFG0);
-
- value = readl_relaxed(pll->clk_base + XUSB_PLL_CFG0);
- value &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY;
- writel_relaxed(value, pll->clk_base + XUSB_PLL_CFG0);
-
- udelay(1);
-
- value = readl_relaxed(pll->clk_base + PLLU_HW_PWRDN_CFG0);
- value |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE;
- writel_relaxed(value, pll->clk_base + PLLU_HW_PWRDN_CFG0);
-
- udelay(1);
-
- /* Disable PLLU clock branch to UTMIPLL since it uses OSC */
- value = pll_readl_base(pll);
- value &= ~PLLU_BASE_CLKENABLE_USB;
- pll_writel_base(value, pll);
-
- value = readl_relaxed(pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
- if (value & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE) {
- pr_debug("UTMIPLL already enabled\n");
- goto out;
- }
-
- value &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
- writel_relaxed(value, pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
-
- /* Program UTMIP PLL stable and active counts */
- value = readl_relaxed(pll->clk_base + UTMIP_PLL_CFG2);
- value &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
- value |= UTMIP_PLL_CFG2_STABLE_COUNT(params->stable_count);
- value &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
- value |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(params->active_delay_count);
- value |= UTMIP_PLL_CFG2_PHY_XTAL_CLOCKEN;
- writel_relaxed(value, pll->clk_base + UTMIP_PLL_CFG2);
-
- /* Program UTMIP PLL delay and oscillator frequency counts */
- value = readl_relaxed(pll->clk_base + UTMIP_PLL_CFG1);
- value &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
- value |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(params->enable_delay_count);
- value &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
- value |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(params->xtal_freq_count);
- writel_relaxed(value, pll->clk_base + UTMIP_PLL_CFG1);
-
- /* Remove power downs from UTMIP PLL control bits */
- value = readl_relaxed(pll->clk_base + UTMIP_PLL_CFG1);
- value &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
- value |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
- writel(value, pll->clk_base + UTMIP_PLL_CFG1);
-
- udelay(1);
-
- /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
- value = readl_relaxed(pll->clk_base + UTMIP_PLL_CFG2);
- value |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP;
- value |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP;
- value |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP;
- value &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
- value &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
- value &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN;
- writel_relaxed(value, pll->clk_base + UTMIP_PLL_CFG2);
-
- /* Setup HW control of UTMIPLL */
- value = readl_relaxed(pll->clk_base + UTMIP_PLL_CFG1);
- value &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
- value &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
- writel_relaxed(value, pll->clk_base + UTMIP_PLL_CFG1);
-
- value = readl_relaxed(pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
- value |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
- value &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
- writel_relaxed(value, pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
-
- udelay(1);
-
- value = readl_relaxed(pll->clk_base + XUSB_PLL_CFG0);
- value &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY;
- writel_relaxed(value, pll->clk_base + XUSB_PLL_CFG0);
-
- udelay(1);
-
- /* Enable HW control of UTMIPLL */
- value = readl_relaxed(pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
- value |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
- writel_relaxed(value, pll->clk_base + UTMIPLL_HW_PWRDN_CFG0);
-
-out:
- if (pll->lock)
- spin_unlock_irqrestore(pll->lock, flags);
-
- return ret;
-}
-
static const struct clk_ops tegra_clk_plle_tegra210_ops = {
.is_enabled = clk_plle_tegra210_is_enabled,
.enable = clk_plle_tegra210_enable,
@@ -2670,13 +2524,6 @@ static const struct clk_ops tegra_clk_plle_tegra210_ops = {
.recalc_rate = clk_pll_recalc_rate,
};
-static const struct clk_ops tegra_clk_pllu_tegra210_ops = {
- .is_enabled = clk_pll_is_enabled,
- .enable = clk_pllu_tegra210_enable,
- .disable = clk_pll_disable,
- .recalc_rate = clk_pllre_recalc_rate,
-};
-
struct clk *tegra_clk_register_plle_tegra210(const char *name,
const char *parent_name,
void __iomem *clk_base, unsigned long flags,
@@ -2918,25 +2765,4 @@ struct clk *tegra_clk_register_pllmb(const char *name, const char *parent_name,
return clk;
}
-struct clk *tegra_clk_register_pllu_tegra210(const char *name,
- const char *parent_name, void __iomem *clk_base,
- unsigned long flags, struct tegra_clk_pll_params *pll_params,
- spinlock_t *lock)
-{
- struct tegra_clk_pll *pll;
- struct clk *clk;
-
- pll_params->flags |= TEGRA_PLLU;
-
- pll = _tegra_init_pll(clk_base, NULL, pll_params, lock);
- if (IS_ERR(pll))
- return ERR_CAST(pll);
-
- clk = _tegra_clk_register_pll(pll, name, parent_name, flags,
- &tegra_clk_pllu_tegra210_ops);
- if (IS_ERR(clk))
- kfree(pll);
-
- return clk;
-}
#endif
diff --git a/drivers/clk/tegra/clk-super.c b/drivers/clk/tegra/clk-super.c
index 131d1b5085e2..84267cfc4433 100644
--- a/drivers/clk/tegra/clk-super.c
+++ b/drivers/clk/tegra/clk-super.c
@@ -121,9 +121,50 @@ out:
return err;
}
+const struct clk_ops tegra_clk_super_mux_ops = {
+ .get_parent = clk_super_get_parent,
+ .set_parent = clk_super_set_parent,
+};
+
+static long clk_super_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ struct tegra_clk_super_mux *super = to_clk_super_mux(hw);
+ struct clk_hw *div_hw = &super->frac_div.hw;
+
+ __clk_hw_set_clk(div_hw, hw);
+
+ return super->div_ops->round_rate(div_hw, rate, parent_rate);
+}
+
+static unsigned long clk_super_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct tegra_clk_super_mux *super = to_clk_super_mux(hw);
+ struct clk_hw *div_hw = &super->frac_div.hw;
+
+ __clk_hw_set_clk(div_hw, hw);
+
+ return super->div_ops->recalc_rate(div_hw, parent_rate);
+}
+
+static int clk_super_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct tegra_clk_super_mux *super = to_clk_super_mux(hw);
+ struct clk_hw *div_hw = &super->frac_div.hw;
+
+ __clk_hw_set_clk(div_hw, hw);
+
+ return super->div_ops->set_rate(div_hw, rate, parent_rate);
+}
+
const struct clk_ops tegra_clk_super_ops = {
.get_parent = clk_super_get_parent,
.set_parent = clk_super_set_parent,
+ .set_rate = clk_super_set_rate,
+ .round_rate = clk_super_round_rate,
+ .recalc_rate = clk_super_recalc_rate,
};
struct clk *tegra_clk_register_super_mux(const char *name,
@@ -136,13 +177,11 @@ struct clk *tegra_clk_register_super_mux(const char *name,
struct clk_init_data init;
super = kzalloc(sizeof(*super), GFP_KERNEL);
- if (!super) {
- pr_err("%s: could not allocate super clk\n", __func__);
+ if (!super)
return ERR_PTR(-ENOMEM);
- }
init.name = name;
- init.ops = &tegra_clk_super_ops;
+ init.ops = &tegra_clk_super_mux_ops;
init.flags = flags;
init.parent_names = parent_names;
init.num_parents = num_parents;
@@ -163,3 +202,43 @@ struct clk *tegra_clk_register_super_mux(const char *name,
return clk;
}
+
+struct clk *tegra_clk_register_super_clk(const char *name,
+ const char * const *parent_names, u8 num_parents,
+ unsigned long flags, void __iomem *reg, u8 clk_super_flags,
+ spinlock_t *lock)
+{
+ struct tegra_clk_super_mux *super;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ super = kzalloc(sizeof(*super), GFP_KERNEL);
+ if (!super)
+ return ERR_PTR(-ENOMEM);
+
+ init.name = name;
+ init.ops = &tegra_clk_super_ops;
+ init.flags = flags;
+ init.parent_names = parent_names;
+ init.num_parents = num_parents;
+
+ super->reg = reg;
+ super->lock = lock;
+ super->width = 4;
+ super->flags = clk_super_flags;
+ super->frac_div.reg = reg + 4;
+ super->frac_div.shift = 16;
+ super->frac_div.width = 8;
+ super->frac_div.frac_width = 1;
+ super->frac_div.lock = lock;
+ super->div_ops = &tegra_clk_frac_div_ops;
+
+ /* Data in .init is copied by clk_register(), so stack variable OK */
+ super->hw.init = &init;
+
+ clk = clk_register(NULL, &super->hw);
+ if (IS_ERR(clk))
+ kfree(super);
+
+ return clk;
+}
diff --git a/drivers/clk/tegra/clk-tegra-audio.c b/drivers/clk/tegra/clk-tegra-audio.c
index e2bfa9b368f6..b37cae7af26d 100644
--- a/drivers/clk/tegra/clk-tegra-audio.c
+++ b/drivers/clk/tegra/clk-tegra-audio.c
@@ -31,6 +31,9 @@
#define AUDIO_SYNC_CLK_I2S3 0x4ac
#define AUDIO_SYNC_CLK_I2S4 0x4b0
#define AUDIO_SYNC_CLK_SPDIF 0x4b4
+#define AUDIO_SYNC_CLK_DMIC1 0x560
+#define AUDIO_SYNC_CLK_DMIC2 0x564
+#define AUDIO_SYNC_CLK_DMIC3 0x6b8
#define AUDIO_SYNC_DOUBLER 0x49c
@@ -91,8 +94,14 @@ struct tegra_audio2x_clk_initdata {
static DEFINE_SPINLOCK(clk_doubler_lock);
-static const char *mux_audio_sync_clk[] = { "spdif_in_sync", "i2s0_sync",
- "i2s1_sync", "i2s2_sync", "i2s3_sync", "i2s4_sync", "vimclk_sync",
+static const char * const mux_audio_sync_clk[] = { "spdif_in_sync",
+ "i2s0_sync", "i2s1_sync", "i2s2_sync", "i2s3_sync", "i2s4_sync",
+ "pll_a_out0", "vimclk_sync",
+};
+
+static const char * const mux_dmic_sync_clk[] = { "unused", "i2s0_sync",
+ "i2s1_sync", "i2s2_sync", "i2s3_sync", "i2s4_sync", "pll_a_out0",
+ "vimclk_sync",
};
static struct tegra_sync_source_initdata sync_source_clks[] __initdata = {
@@ -114,6 +123,12 @@ static struct tegra_audio_clk_initdata audio_clks[] = {
AUDIO(spdif, AUDIO_SYNC_CLK_SPDIF),
};
+static struct tegra_audio_clk_initdata dmic_clks[] = {
+ AUDIO(dmic1_sync_clk, AUDIO_SYNC_CLK_DMIC1),
+ AUDIO(dmic2_sync_clk, AUDIO_SYNC_CLK_DMIC2),
+ AUDIO(dmic3_sync_clk, AUDIO_SYNC_CLK_DMIC3),
+};
+
static struct tegra_audio2x_clk_initdata audio2x_clks[] = {
AUDIO2X(audio0, 113, 24),
AUDIO2X(audio1, 114, 25),
@@ -123,6 +138,41 @@ static struct tegra_audio2x_clk_initdata audio2x_clks[] = {
AUDIO2X(spdif, 118, 29),
};
+static void __init tegra_audio_sync_clk_init(void __iomem *clk_base,
+ struct tegra_clk *tegra_clks,
+ struct tegra_audio_clk_initdata *sync,
+ int num_sync_clks,
+ const char * const *mux_names,
+ int num_mux_inputs)
+{
+ struct clk *clk;
+ struct clk **dt_clk;
+ struct tegra_audio_clk_initdata *data;
+ int i;
+
+ for (i = 0, data = sync; i < num_sync_clks; i++, data++) {
+ dt_clk = tegra_lookup_dt_id(data->mux_clk_id, tegra_clks);
+ if (!dt_clk)
+ continue;
+
+ clk = clk_register_mux(NULL, data->mux_name, mux_names,
+ num_mux_inputs,
+ CLK_SET_RATE_NO_REPARENT,
+ clk_base + data->offset, 0, 3, 0,
+ NULL);
+ *dt_clk = clk;
+
+ dt_clk = tegra_lookup_dt_id(data->gate_clk_id, tegra_clks);
+ if (!dt_clk)
+ continue;
+
+ clk = clk_register_gate(NULL, data->gate_name, data->mux_name,
+ 0, clk_base + data->offset, 4,
+ CLK_GATE_SET_TO_DISABLE, NULL);
+ *dt_clk = clk;
+ }
+}
+
void __init tegra_audio_clk_init(void __iomem *clk_base,
void __iomem *pmc_base, struct tegra_clk *tegra_clks,
struct tegra_audio_clk_info *audio_info,
@@ -176,30 +226,17 @@ void __init tegra_audio_clk_init(void __iomem *clk_base,
*dt_clk = clk;
}
- for (i = 0; i < ARRAY_SIZE(audio_clks); i++) {
- struct tegra_audio_clk_initdata *data;
+ tegra_audio_sync_clk_init(clk_base, tegra_clks, audio_clks,
+ ARRAY_SIZE(audio_clks), mux_audio_sync_clk,
+ ARRAY_SIZE(mux_audio_sync_clk));
- data = &audio_clks[i];
- dt_clk = tegra_lookup_dt_id(data->mux_clk_id, tegra_clks);
+ /* make sure the DMIC sync clocks have a valid parent */
+ for (i = 0; i < ARRAY_SIZE(dmic_clks); i++)
+ writel_relaxed(1, clk_base + dmic_clks[i].offset);
- if (!dt_clk)
- continue;
- clk = clk_register_mux(NULL, data->mux_name, mux_audio_sync_clk,
- ARRAY_SIZE(mux_audio_sync_clk),
- CLK_SET_RATE_NO_REPARENT,
- clk_base + data->offset, 0, 3, 0,
- NULL);
- *dt_clk = clk;
-
- dt_clk = tegra_lookup_dt_id(data->gate_clk_id, tegra_clks);
- if (!dt_clk)
- continue;
-
- clk = clk_register_gate(NULL, data->gate_name, data->mux_name,
- 0, clk_base + data->offset, 4,
- CLK_GATE_SET_TO_DISABLE, NULL);
- *dt_clk = clk;
- }
+ tegra_audio_sync_clk_init(clk_base, tegra_clks, dmic_clks,
+ ARRAY_SIZE(dmic_clks), mux_dmic_sync_clk,
+ ARRAY_SIZE(mux_dmic_sync_clk));
for (i = 0; i < ARRAY_SIZE(audio2x_clks); i++) {
struct tegra_audio2x_clk_initdata *data;
diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c
index 4ce4e7fb1124..294bfe40a4f5 100644
--- a/drivers/clk/tegra/clk-tegra-periph.c
+++ b/drivers/clk/tegra/clk-tegra-periph.c
@@ -138,6 +138,9 @@
#define CLK_SOURCE_TSECB 0x6d8
#define CLK_SOURCE_MAUD 0x6d4
#define CLK_SOURCE_USB2_HSIC_TRK 0x6cc
+#define CLK_SOURCE_DMIC1 0x64c
+#define CLK_SOURCE_DMIC2 0x650
+#define CLK_SOURCE_DMIC3 0x6bc
#define MASK(x) (BIT(x) - 1)
@@ -168,6 +171,12 @@
0, TEGRA_PERIPH_NO_GATE, _clk_id,\
_parents##_idx, 0, _lock)
+#define MUX8_NOGATE(_name, _parents, _offset, _clk_id) \
+ TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset, \
+ 29, MASK(3), 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP,\
+ 0, TEGRA_PERIPH_NO_GATE, _clk_id,\
+ _parents##_idx, 0, NULL)
+
#define INT(_name, _parents, _offset, \
_clk_num, _gate_flags, _clk_id) \
TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset,\
@@ -619,6 +628,21 @@ static const char *mux_clkm_plldp_sor0lvds[] = {
};
#define mux_clkm_plldp_sor0lvds_idx NULL
+static const char * const mux_dmic1[] = {
+ "pll_a_out0", "dmic1_sync_clk", "pll_p", "clk_m"
+};
+#define mux_dmic1_idx NULL
+
+static const char * const mux_dmic2[] = {
+ "pll_a_out0", "dmic2_sync_clk", "pll_p", "clk_m"
+};
+#define mux_dmic2_idx NULL
+
+static const char * const mux_dmic3[] = {
+ "pll_a_out0", "dmic3_sync_clk", "pll_p", "clk_m"
+};
+#define mux_dmic3_idx NULL
+
static struct tegra_periph_init_data periph_clks[] = {
AUDIO("d_audio", CLK_SOURCE_D_AUDIO, 106, TEGRA_PERIPH_ON_APB, tegra_clk_d_audio),
AUDIO("dam0", CLK_SOURCE_DAM0, 108, TEGRA_PERIPH_ON_APB, tegra_clk_dam0),
@@ -739,7 +763,7 @@ static struct tegra_periph_init_data periph_clks[] = {
MUX8("soc_therm", mux_clkm_pllc_pllp_plla, CLK_SOURCE_SOC_THERM, 78, TEGRA_PERIPH_ON_APB, tegra_clk_soc_therm_8),
MUX8("vi_sensor", mux_pllm_pllc2_c_c3_pllp_plla, CLK_SOURCE_VI_SENSOR, 164, TEGRA_PERIPH_NO_RESET, tegra_clk_vi_sensor_8),
MUX8("isp", mux_pllm_pllc_pllp_plla_clkm_pllc4, CLK_SOURCE_ISP, 23, TEGRA_PERIPH_ON_APB, tegra_clk_isp_8),
- MUX8("isp", mux_pllc_pllp_plla1_pllc2_c3_clkm_pllc4, CLK_SOURCE_ISP, 23, TEGRA_PERIPH_ON_APB, tegra_clk_isp_9),
+ MUX8_NOGATE("isp", mux_pllc_pllp_plla1_pllc2_c3_clkm_pllc4, CLK_SOURCE_ISP, tegra_clk_isp_9),
MUX8("entropy", mux_pllp_clkm1, CLK_SOURCE_ENTROPY, 149, 0, tegra_clk_entropy),
MUX8("entropy", mux_pllp_clkm_clk32_plle, CLK_SOURCE_ENTROPY, 149, 0, tegra_clk_entropy_8),
MUX8("hdmi_audio", mux_pllp3_pllc_clkm, CLK_SOURCE_HDMI_AUDIO, 176, TEGRA_PERIPH_NO_RESET, tegra_clk_hdmi_audio),
@@ -788,6 +812,9 @@ static struct tegra_periph_init_data periph_clks[] = {
MUX("uartape", mux_pllp_pllc_clkm, CLK_SOURCE_UARTAPE, 212, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_uartape),
MUX8("tsecb", mux_pllp_pllc2_c_c3_clkm, CLK_SOURCE_TSECB, 206, 0, tegra_clk_tsecb),
MUX8("maud", mux_pllp_pllp_out3_clkm_clk32k_plla, CLK_SOURCE_MAUD, 202, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_maud),
+ MUX8("dmic1", mux_dmic1, CLK_SOURCE_DMIC1, 161, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_dmic1),
+ MUX8("dmic2", mux_dmic2, CLK_SOURCE_DMIC2, 162, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_dmic2),
+ MUX8("dmic3", mux_dmic3, CLK_SOURCE_DMIC3, 197, TEGRA_PERIPH_ON_APB | TEGRA_PERIPH_NO_RESET, tegra_clk_dmic3),
};
static struct tegra_periph_init_data gate_clks[] = {
@@ -809,7 +836,7 @@ static struct tegra_periph_init_data gate_clks[] = {
GATE("usb2", "clk_m", 58, 0, tegra_clk_usb2, 0),
GATE("usb3", "clk_m", 59, 0, tegra_clk_usb3, 0),
GATE("csi", "pll_p_out3", 52, 0, tegra_clk_csi, 0),
- GATE("afi", "clk_m", 72, 0, tegra_clk_afi, 0),
+ GATE("afi", "mselect", 72, 0, tegra_clk_afi, 0),
GATE("csus", "clk_m", 92, TEGRA_PERIPH_NO_RESET, tegra_clk_csus, 0),
GATE("dds", "clk_m", 150, TEGRA_PERIPH_ON_APB, tegra_clk_dds, 0),
GATE("dp2", "clk_m", 152, TEGRA_PERIPH_ON_APB, tegra_clk_dp2, 0),
@@ -819,7 +846,8 @@ static struct tegra_periph_init_data gate_clks[] = {
GATE("xusb_dev", "xusb_dev_src", 95, 0, tegra_clk_xusb_dev, 0),
GATE("emc", "emc_mux", 57, 0, tegra_clk_emc, CLK_IGNORE_UNUSED),
GATE("sata_cold", "clk_m", 129, TEGRA_PERIPH_ON_APB, tegra_clk_sata_cold, 0),
- GATE("ispb", "clk_m", 3, 0, tegra_clk_ispb, 0),
+ GATE("ispa", "isp", 23, 0, tegra_clk_ispa, 0),
+ GATE("ispb", "isp", 3, 0, tegra_clk_ispb, 0),
GATE("vim2_clk", "clk_m", 11, 0, tegra_clk_vim2_clk, 0),
GATE("pcie", "clk_m", 70, 0, tegra_clk_pcie, 0),
GATE("gpu", "pll_ref", 184, 0, tegra_clk_gpu, 0),
@@ -830,6 +858,13 @@ static struct tegra_periph_init_data gate_clks[] = {
GATE("pll_p_out_cpu", "pll_p", 223, 0, tegra_clk_pll_p_out_cpu, 0),
GATE("pll_p_out_adsp", "pll_p", 187, 0, tegra_clk_pll_p_out_adsp, 0),
GATE("apb2ape", "clk_m", 107, 0, tegra_clk_apb2ape, 0),
+ GATE("cec", "pclk", 136, 0, tegra_clk_cec, 0),
+ GATE("iqc1", "clk_m", 221, 0, tegra_clk_iqc1, 0),
+ GATE("iqc2", "clk_m", 220, 0, tegra_clk_iqc1, 0),
+ GATE("pll_a_out_adsp", "pll_a", 188, 0, tegra_clk_pll_a_out_adsp, 0),
+ GATE("pll_a_out0_out_adsp", "pll_a", 188, 0, tegra_clk_pll_a_out0_out_adsp, 0),
+ GATE("adsp", "aclk", 199, 0, tegra_clk_adsp, 0),
+ GATE("adsp_neon", "aclk", 218, 0, tegra_clk_adsp_neon, 0),
};
static struct tegra_periph_init_data div_clks[] = {
diff --git a/drivers/clk/tegra/clk-tegra-pmc.c b/drivers/clk/tegra/clk-tegra-pmc.c
index 91377abfefa1..a35579a3f884 100644
--- a/drivers/clk/tegra/clk-tegra-pmc.c
+++ b/drivers/clk/tegra/clk-tegra-pmc.c
@@ -95,7 +95,8 @@ void __init tegra_pmc_clk_init(void __iomem *pmc_base,
continue;
clk = clk_register_mux(NULL, data->mux_name, data->parents,
- data->num_parents, CLK_SET_RATE_NO_REPARENT,
+ data->num_parents,
+ CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT,
pmc_base + PMC_CLK_OUT_CNTRL, data->mux_shift,
3, 0, &clk_out_lock);
*dt_clk = clk;
@@ -106,7 +107,8 @@ void __init tegra_pmc_clk_init(void __iomem *pmc_base,
continue;
clk = clk_register_gate(NULL, data->gate_name, data->mux_name,
- 0, pmc_base + PMC_CLK_OUT_CNTRL,
+ CLK_SET_RATE_PARENT,
+ pmc_base + PMC_CLK_OUT_CNTRL,
data->gate_shift, 0, &clk_out_lock);
*dt_clk = clk;
clk_register_clkdev(clk, data->dev_name, data->gate_name);
diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c
index 933b5dd698b8..fd1a99c05c2d 100644
--- a/drivers/clk/tegra/clk-tegra114.c
+++ b/drivers/clk/tegra/clk-tegra114.c
@@ -819,6 +819,7 @@ static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = {
[tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_3_MUX, .present = true },
[tegra_clk_dsia_mux] = { .dt_id = TEGRA114_CLK_DSIA_MUX, .present = true },
[tegra_clk_dsib_mux] = { .dt_id = TEGRA114_CLK_DSIB_MUX, .present = true },
+ [tegra_clk_cec] = { .dt_id = TEGRA114_CLK_CEC, .present = true },
};
static struct tegra_devclk devclks[] __initdata = {
diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c
index a112d3d2bff1..e81ea5b11577 100644
--- a/drivers/clk/tegra/clk-tegra124.c
+++ b/drivers/clk/tegra/clk-tegra124.c
@@ -928,6 +928,7 @@ static struct tegra_clk tegra124_clks[tegra_clk_max] __initdata = {
[tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA124_CLK_CLK_OUT_1_MUX, .present = true },
[tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA124_CLK_CLK_OUT_2_MUX, .present = true },
[tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA124_CLK_CLK_OUT_3_MUX, .present = true },
+ [tegra_clk_cec] = { .dt_id = TEGRA124_CLK_CEC, .present = true },
};
static struct tegra_devclk devclks[] __initdata = {
diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c
index 2896d2e783ce..1024e853ea65 100644
--- a/drivers/clk/tegra/clk-tegra210.c
+++ b/drivers/clk/tegra/clk-tegra210.c
@@ -24,6 +24,8 @@
#include <linux/export.h>
#include <linux/clk/tegra.h>
#include <dt-bindings/clock/tegra210-car.h>
+#include <dt-bindings/reset/tegra210-car.h>
+#include <linux/iopoll.h>
#include "clk.h"
#include "clk-id.h"
@@ -155,9 +157,35 @@
#define PMC_PLLM_WB0_OVERRIDE 0x1dc
#define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
+#define UTMIP_PLL_CFG2 0x488
+#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)
+#define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
+#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
+#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1)
+#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
+#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3)
+#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
+#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5)
+#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24)
+#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25)
+
+#define UTMIP_PLL_CFG1 0x484
+#define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
+#define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
+#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
+#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
+#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
+#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
+#define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
+
#define SATA_PLL_CFG0 0x490
#define SATA_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0)
#define SATA_PLL_CFG0_PADPLL_USE_LOCKDET BIT(2)
+#define SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL BIT(4)
+#define SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE BIT(5)
+#define SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE BIT(6)
+#define SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE BIT(7)
+
#define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ BIT(13)
#define SATA_PLL_CFG0_SEQ_ENABLE BIT(24)
@@ -196,6 +224,12 @@
#define CLK_M_DIVISOR_SHIFT 2
#define CLK_M_DIVISOR_MASK 0x3
+#define RST_DFLL_DVCO 0x2f4
+#define DVFS_DFLL_RESET_SHIFT 0
+
+#define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8
+#define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac
+
/*
* SDM fractional divisor is 16-bit 2's complement signed number within
* (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned
@@ -454,6 +488,26 @@ void tegra210_sata_pll_hw_sequence_start(void)
}
EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start);
+void tegra210_set_sata_pll_seq_sw(bool state)
+{
+ u32 val;
+
+ val = readl_relaxed(clk_base + SATA_PLL_CFG0);
+ if (state) {
+ val |= SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
+ val |= SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
+ val |= SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
+ val |= SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
+ } else {
+ val &= ~SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
+ val &= ~SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
+ val &= ~SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
+ val &= ~SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
+ }
+ writel_relaxed(val, clk_base + SATA_PLL_CFG0);
+}
+EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw);
+
static inline void _pll_misc_chk_default(void __iomem *base,
struct tegra_clk_pll_params *params,
u8 misc_num, u32 default_val, u32 mask)
@@ -501,12 +555,12 @@ static void tegra210_pllcx_set_defaults(const char *name,
{
pllcx->params->defaults_set = true;
- if (readl_relaxed(clk_base + pllcx->params->base_reg) &
- PLL_ENABLE) {
+ if (readl_relaxed(clk_base + pllcx->params->base_reg) & PLL_ENABLE) {
/* PLL is ON: only check if defaults already set */
pllcx_check_defaults(pllcx->params);
- pr_warn("%s already enabled. Postponing set full defaults\n",
- name);
+ if (!pllcx->params->defaults_set)
+ pr_warn("%s already enabled. Postponing set full defaults\n",
+ name);
return;
}
@@ -608,7 +662,6 @@ static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld)
if (readl_relaxed(clk_base + plld->params->base_reg) &
PLL_ENABLE) {
- pr_warn("PLL_D already enabled. Postponing set full defaults\n");
/*
* PLL is ON: check if defaults already set, then set those
@@ -625,6 +678,9 @@ static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld)
_pll_misc_chk_default(clk_base, plld->params, 0, val,
~mask & PLLD_MISC0_WRITE_MASK);
+ if (!plld->params->defaults_set)
+ pr_warn("PLL_D already enabled. Postponing set full defaults\n");
+
/* Enable lock detect */
mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE;
val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
@@ -896,7 +952,6 @@ static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx)
val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT;
if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) {
- pr_warn("PLL_X already enabled. Postponing set full defaults\n");
/*
* PLL is ON: check if defaults already set, then set those
@@ -904,6 +959,8 @@ static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx)
*/
pllx_check_defaults(pllx);
+ if (!pllx->params->defaults_set)
+ pr_warn("PLL_X already enabled. Postponing set full defaults\n");
/* Configure dyn ramp, disable lock override */
writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
@@ -948,7 +1005,6 @@ static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb)
pllmb->params->defaults_set = true;
if (val & PLL_ENABLE) {
- pr_warn("PLL_MB already enabled. Postponing set full defaults\n");
/*
* PLL is ON: check if defaults already set, then set those
@@ -959,6 +1015,8 @@ static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb)
_pll_misc_chk_default(clk_base, pllmb->params, 0, val,
~mask & PLLMB_MISC1_WRITE_MASK);
+ if (!pllmb->params->defaults_set)
+ pr_warn("PLL_MB already enabled. Postponing set full defaults\n");
/* Enable lock detect */
val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]);
val &= ~mask;
@@ -1008,13 +1066,14 @@ static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp)
pllp->params->defaults_set = true;
if (val & PLL_ENABLE) {
- pr_warn("PLL_P already enabled. Postponing set full defaults\n");
/*
* PLL is ON: check if defaults already set, then set those
* that can be updated in flight.
*/
pllp_check_defaults(pllp, true);
+ if (!pllp->params->defaults_set)
+ pr_warn("PLL_P already enabled. Postponing set full defaults\n");
/* Enable lock detect */
val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]);
@@ -1046,47 +1105,49 @@ static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp)
* Both VCO and post-divider output rates are fixed at 480MHz and 240MHz,
* respectively.
*/
-static void pllu_check_defaults(struct tegra_clk_pll *pll, bool hw_control)
+static void pllu_check_defaults(struct tegra_clk_pll_params *params,
+ bool hw_control)
{
u32 val, mask;
/* Ignore lock enable (will be set) and IDDQ if under h/w control */
val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ);
mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0);
- _pll_misc_chk_default(clk_base, pll->params, 0, val,
+ _pll_misc_chk_default(clk_base, params, 0, val,
~mask & PLLU_MISC0_WRITE_MASK);
val = PLLU_MISC1_DEFAULT_VALUE;
mask = PLLU_MISC1_LOCK_OVERRIDE;
- _pll_misc_chk_default(clk_base, pll->params, 1, val,
+ _pll_misc_chk_default(clk_base, params, 1, val,
~mask & PLLU_MISC1_WRITE_MASK);
}
-static void tegra210_pllu_set_defaults(struct tegra_clk_pll *pllu)
+static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu)
{
- u32 val = readl_relaxed(clk_base + pllu->params->base_reg);
+ u32 val = readl_relaxed(clk_base + pllu->base_reg);
- pllu->params->defaults_set = true;
+ pllu->defaults_set = true;
if (val & PLL_ENABLE) {
- pr_warn("PLL_U already enabled. Postponing set full defaults\n");
/*
* PLL is ON: check if defaults already set, then set those
* that can be updated in flight.
*/
pllu_check_defaults(pllu, false);
+ if (!pllu->defaults_set)
+ pr_warn("PLL_U already enabled. Postponing set full defaults\n");
/* Enable lock detect */
- val = readl_relaxed(clk_base + pllu->params->ext_misc_reg[0]);
+ val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]);
val &= ~PLLU_MISC0_LOCK_ENABLE;
val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE;
- writel_relaxed(val, clk_base + pllu->params->ext_misc_reg[0]);
+ writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]);
- val = readl_relaxed(clk_base + pllu->params->ext_misc_reg[1]);
+ val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]);
val &= ~PLLU_MISC1_LOCK_OVERRIDE;
val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE;
- writel_relaxed(val, clk_base + pllu->params->ext_misc_reg[1]);
+ writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]);
udelay(1);
return;
@@ -1094,9 +1155,9 @@ static void tegra210_pllu_set_defaults(struct tegra_clk_pll *pllu)
/* set IDDQ, enable lock detect */
writel_relaxed(PLLU_MISC0_DEFAULT_VALUE,
- clk_base + pllu->params->ext_misc_reg[0]);
+ clk_base + pllu->ext_misc_reg[0]);
writel_relaxed(PLLU_MISC1_DEFAULT_VALUE,
- clk_base + pllu->params->ext_misc_reg[1]);
+ clk_base + pllu->ext_misc_reg[1]);
udelay(1);
}
@@ -1216,6 +1277,7 @@ static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw,
cfg->n = p_rate / cf;
cfg->sdm_data = 0;
+ cfg->output_rate = input_rate;
if (params->sdm_ctrl_reg) {
unsigned long rem = p_rate - cf * cfg->n;
/* If ssc is enabled SDM enabled as well, even for integer n */
@@ -1226,10 +1288,15 @@ static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw,
s -= PLL_SDM_COEFF / 2;
cfg->sdm_data = sdin_din_to_data(s);
}
+ cfg->output_rate *= cfg->n * PLL_SDM_COEFF + PLL_SDM_COEFF/2 +
+ sdin_data_to_din(cfg->sdm_data);
+ cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF;
+ } else {
+ cfg->output_rate *= cfg->n;
+ cfg->output_rate /= p * cfg->m;
}
cfg->input_rate = input_rate;
- cfg->output_rate = rate;
return 0;
}
@@ -1772,7 +1839,7 @@ static struct tegra_clk_pll_params pll_a1_params = {
.misc_reg = PLLA1_MISC0,
.lock_mask = PLLCX_BASE_LOCK,
.lock_delay = 300,
- .iddq_reg = PLLA1_MISC0,
+ .iddq_reg = PLLA1_MISC1,
.iddq_bit_idx = PLLCX_IDDQ_BIT,
.reset_reg = PLLA1_MISC0,
.reset_bit_idx = PLLCX_RESET_BIT,
@@ -1987,9 +2054,9 @@ static struct div_nmp pllu_nmp = {
};
static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
- { 12000000, 480000000, 40, 1, 1, 0 },
- { 13000000, 480000000, 36, 1, 1, 0 }, /* actual: 468.0 MHz */
- { 38400000, 480000000, 25, 2, 1, 0 },
+ { 12000000, 480000000, 40, 1, 0, 0 },
+ { 13000000, 480000000, 36, 1, 0, 0 }, /* actual: 468.0 MHz */
+ { 38400000, 480000000, 25, 2, 0, 0 },
{ 0, 0, 0, 0, 0, 0 },
};
@@ -2013,8 +2080,47 @@ static struct tegra_clk_pll_params pll_u_vco_params = {
.div_nmp = &pllu_nmp,
.freq_table = pll_u_freq_table,
.flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
- .set_defaults = tegra210_pllu_set_defaults,
- .calc_rate = tegra210_pll_fixed_mdiv_cfg,
+};
+
+struct utmi_clk_param {
+ /* Oscillator Frequency in KHz */
+ u32 osc_frequency;
+ /* UTMIP PLL Enable Delay Count */
+ u8 enable_delay_count;
+ /* UTMIP PLL Stable count */
+ u16 stable_count;
+ /* UTMIP PLL Active delay count */
+ u8 active_delay_count;
+ /* UTMIP PLL Xtal frequency count */
+ u16 xtal_freq_count;
+};
+
+static const struct utmi_clk_param utmi_parameters[] = {
+ {
+ .osc_frequency = 38400000, .enable_delay_count = 0x0,
+ .stable_count = 0x0, .active_delay_count = 0x6,
+ .xtal_freq_count = 0x80
+ }, {
+ .osc_frequency = 13000000, .enable_delay_count = 0x02,
+ .stable_count = 0x33, .active_delay_count = 0x05,
+ .xtal_freq_count = 0x7f
+ }, {
+ .osc_frequency = 19200000, .enable_delay_count = 0x03,
+ .stable_count = 0x4b, .active_delay_count = 0x06,
+ .xtal_freq_count = 0xbb
+ }, {
+ .osc_frequency = 12000000, .enable_delay_count = 0x02,
+ .stable_count = 0x2f, .active_delay_count = 0x08,
+ .xtal_freq_count = 0x76
+ }, {
+ .osc_frequency = 26000000, .enable_delay_count = 0x04,
+ .stable_count = 0x66, .active_delay_count = 0x09,
+ .xtal_freq_count = 0xfe
+ }, {
+ .osc_frequency = 16800000, .enable_delay_count = 0x03,
+ .stable_count = 0x41, .active_delay_count = 0x0a,
+ .xtal_freq_count = 0xa4
+ },
};
static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
@@ -2115,7 +2221,6 @@ static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
[tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true },
[tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true },
[tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true },
- [tegra_clk_pll_m_out1] = { .dt_id = TEGRA210_CLK_PLL_M_OUT1, .present = true },
[tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true },
[tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true },
[tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true },
@@ -2209,6 +2314,25 @@ static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
[tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true },
[tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true },
[tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true },
+ [tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true },
+ [tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true },
+ [tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true },
+ [tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true },
+ [tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true },
+ [tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true },
+ [tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true },
+ [tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true },
+ [tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true },
+ [tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true },
+ [tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true },
+ [tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true },
+ [tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true },
+ [tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true },
+ [tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true },
+ [tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true },
+ [tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true },
+ [tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true },
+ [tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true },
};
static struct tegra_devclk devclks[] __initdata = {
@@ -2227,7 +2351,6 @@ static struct tegra_devclk devclks[] __initdata = {
{ .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 },
{ .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 },
{ .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M },
- { .con_id = "pll_m_out1", .dt_id = TEGRA210_CLK_PLL_M_OUT1 },
{ .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X },
{ .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 },
{ .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U },
@@ -2286,6 +2409,221 @@ static struct tegra_audio_clk_info tegra210_audio_plls[] = {
static struct clk **clks;
+static const char * const aclk_parents[] = {
+ "pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3",
+ "clk_m"
+};
+
+void tegra210_put_utmipll_in_iddq(void)
+{
+ u32 reg;
+
+ reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
+
+ if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) {
+ pr_err("trying to assert IDDQ while UTMIPLL is locked\n");
+ return;
+ }
+
+ reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
+ writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
+}
+EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq);
+
+void tegra210_put_utmipll_out_iddq(void)
+{
+ u32 reg;
+
+ reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
+ reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
+ writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
+}
+EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq);
+
+static void tegra210_utmi_param_configure(void)
+{
+ u32 reg;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
+ if (osc_freq == utmi_parameters[i].osc_frequency)
+ break;
+ }
+
+ if (i >= ARRAY_SIZE(utmi_parameters)) {
+ pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
+ osc_freq);
+ return;
+ }
+
+ reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
+ reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
+ writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
+
+ udelay(10);
+
+ reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
+
+ /* Program UTMIP PLL stable and active counts */
+ /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
+ reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
+ reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
+
+ reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
+
+ reg |=
+ UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count);
+ writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
+
+ /* Program UTMIP PLL delay and oscillator frequency counts */
+ reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
+ reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
+
+ reg |=
+ UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count);
+
+ reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
+ reg |=
+ UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count);
+
+ reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
+ writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
+
+ /* Remove power downs from UTMIP PLL control bits */
+ reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
+ reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
+ reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
+ writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
+ udelay(1);
+
+ /* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
+ reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
+ reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP;
+ reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP;
+ reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP;
+ reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
+ reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
+ reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN;
+ writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
+
+ /* Setup HW control of UTMIPLL */
+ reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
+ reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
+ reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
+ writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
+
+ reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
+ reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
+ reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
+ writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
+
+ udelay(1);
+
+ reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
+ reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY;
+ writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
+
+ udelay(1);
+
+ /* Enable HW control UTMIPLL */
+ reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
+ reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
+ writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
+}
+
+static int tegra210_enable_pllu(void)
+{
+ struct tegra_clk_pll_freq_table *fentry;
+ struct tegra_clk_pll pllu;
+ u32 reg;
+
+ for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) {
+ if (fentry->input_rate == pll_ref_freq)
+ break;
+ }
+
+ if (!fentry->input_rate) {
+ pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq);
+ return -EINVAL;
+ }
+
+ /* clear IDDQ bit */
+ pllu.params = &pll_u_vco_params;
+ reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]);
+ reg &= ~BIT(pllu.params->iddq_bit_idx);
+ writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]);
+
+ reg = readl_relaxed(clk_base + PLLU_BASE);
+ reg &= ~GENMASK(20, 0);
+ reg |= fentry->m;
+ reg |= fentry->n << 8;
+ reg |= fentry->p << 16;
+ writel(reg, clk_base + PLLU_BASE);
+ reg |= PLL_ENABLE;
+ writel(reg, clk_base + PLLU_BASE);
+
+ readl_relaxed_poll_timeout(clk_base + PLLU_BASE, reg,
+ reg & PLL_BASE_LOCK, 2, 1000);
+ if (!(reg & PLL_BASE_LOCK)) {
+ pr_err("Timed out waiting for PLL_U to lock\n");
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+static int tegra210_init_pllu(void)
+{
+ u32 reg;
+ int err;
+
+ tegra210_pllu_set_defaults(&pll_u_vco_params);
+ /* skip initialization when pllu is in hw controlled mode */
+ reg = readl_relaxed(clk_base + PLLU_BASE);
+ if (reg & PLLU_BASE_OVERRIDE) {
+ if (!(reg & PLL_ENABLE)) {
+ err = tegra210_enable_pllu();
+ if (err < 0) {
+ WARN_ON(1);
+ return err;
+ }
+ }
+ /* enable hw controlled mode */
+ reg = readl_relaxed(clk_base + PLLU_BASE);
+ reg &= ~PLLU_BASE_OVERRIDE;
+ writel(reg, clk_base + PLLU_BASE);
+
+ reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
+ reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE |
+ PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT |
+ PLLU_HW_PWRDN_CFG0_USE_LOCKDET;
+ reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL |
+ PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL);
+ writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
+
+ reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
+ reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK;
+ writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
+ udelay(1);
+
+ reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
+ reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE;
+ writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
+ udelay(1);
+
+ reg = readl_relaxed(clk_base + PLLU_BASE);
+ reg &= ~PLLU_BASE_CLKENABLE_USB;
+ writel_relaxed(reg, clk_base + PLLU_BASE);
+ }
+
+ /* enable UTMIPLL hw control if not yet done by the bootloader */
+ reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
+ if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE))
+ tegra210_utmi_param_configure();
+
+ return 0;
+}
+
static __init void tegra210_periph_clk_init(void __iomem *clk_base,
void __iomem *pmc_base)
{
@@ -2347,6 +2685,11 @@ static __init void tegra210_periph_clk_init(void __iomem *clk_base,
clk_register_clkdev(clk, "cml1", NULL);
clks[TEGRA210_CLK_CML1] = clk;
+ clk = tegra_clk_register_super_clk("aclk", aclk_parents,
+ ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0,
+ 0, NULL);
+ clks[TEGRA210_CLK_ACLK] = clk;
+
tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params);
}
@@ -2402,9 +2745,6 @@ static void __init tegra210_pll_init(void __iomem *clk_base,
clk_register_clkdev(clk, "pll_mb", NULL);
clks[TEGRA210_CLK_PLL_MB] = clk;
- clk_register_clkdev(clk, "pll_m_out1", NULL);
- clks[TEGRA210_CLK_PLL_M_OUT1] = clk;
-
/* PLLM_UD */
clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
CLK_SET_RATE_PARENT, 1, 1);
@@ -2412,11 +2752,12 @@ static void __init tegra210_pll_init(void __iomem *clk_base,
clks[TEGRA210_CLK_PLL_M_UD] = clk;
/* PLLU_VCO */
- clk = tegra_clk_register_pllu_tegra210("pll_u_vco", "pll_ref",
- clk_base, 0, &pll_u_vco_params,
- &pll_u_lock);
- clk_register_clkdev(clk, "pll_u_vco", NULL);
- clks[TEGRA210_CLK_PLL_U] = clk;
+ if (!tegra210_init_pllu()) {
+ clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0,
+ 480*1000*1000);
+ clk_register_clkdev(clk, "pll_u_vco", NULL);
+ clks[TEGRA210_CLK_PLL_U] = clk;
+ }
/* PLLU_OUT */
clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0,
@@ -2651,6 +2992,8 @@ static struct tegra_clk_init_table init_table[] __initdata = {
{ TEGRA210_CLK_EMC, TEGRA210_CLK_CLK_MAX, 0, 1 },
{ TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 },
{ TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 },
+ /* TODO find a way to enable this on-demand */
+ { TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 },
{ TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 },
{ TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 },
{ TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 },
@@ -2661,6 +3004,8 @@ static struct tegra_clk_init_table init_table[] __initdata = {
{ TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 },
{ TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 },
{ TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 },
+ { TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 },
+ { TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 },
/* This MUST be the last entry. */
{ TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 },
};
@@ -2679,6 +3024,81 @@ static void __init tegra210_clock_apply_init_table(void)
}
/**
+ * tegra210_car_barrier - wait for pending writes to the CAR to complete
+ *
+ * Wait for any outstanding writes to the CAR MMIO space from this CPU
+ * to complete before continuing execution. No return value.
+ */
+static void tegra210_car_barrier(void)
+{
+ readl_relaxed(clk_base + RST_DFLL_DVCO);
+}
+
+/**
+ * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
+ *
+ * Assert the reset line of the DFLL's DVCO. No return value.
+ */
+static void tegra210_clock_assert_dfll_dvco_reset(void)
+{
+ u32 v;
+
+ v = readl_relaxed(clk_base + RST_DFLL_DVCO);
+ v |= (1 << DVFS_DFLL_RESET_SHIFT);
+ writel_relaxed(v, clk_base + RST_DFLL_DVCO);
+ tegra210_car_barrier();
+}
+
+/**
+ * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
+ *
+ * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
+ * operate. No return value.
+ */
+static void tegra210_clock_deassert_dfll_dvco_reset(void)
+{
+ u32 v;
+
+ v = readl_relaxed(clk_base + RST_DFLL_DVCO);
+ v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
+ writel_relaxed(v, clk_base + RST_DFLL_DVCO);
+ tegra210_car_barrier();
+}
+
+static int tegra210_reset_assert(unsigned long id)
+{
+ if (id == TEGRA210_RST_DFLL_DVCO)
+ tegra210_clock_assert_dfll_dvco_reset();
+ else if (id == TEGRA210_RST_ADSP)
+ writel(GENMASK(26, 21) | BIT(7),
+ clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET);
+ else
+ return -EINVAL;
+
+ return 0;
+}
+
+static int tegra210_reset_deassert(unsigned long id)
+{
+ if (id == TEGRA210_RST_DFLL_DVCO)
+ tegra210_clock_deassert_dfll_dvco_reset();
+ else if (id == TEGRA210_RST_ADSP) {
+ writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
+ /*
+ * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz)
+ * a delay of 5us ensures that it's at least
+ * 6 * adsp_cpu_cycle_period long.
+ */
+ udelay(5);
+ writel(GENMASK(26, 22) | BIT(7),
+ clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
+ } else
+ return -EINVAL;
+
+ return 0;
+}
+
+/**
* tegra210_clock_init - Tegra210-specific clock initialization
* @np: struct device_node * of the DT node for the SoC CAR IP block
*
@@ -2742,6 +3162,9 @@ static void __init tegra210_clock_init(struct device_node *np)
tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks,
&pll_x_params);
+ tegra_init_special_resets(2, tegra210_reset_assert,
+ tegra210_reset_deassert);
+
tegra_add_of_provider(np);
tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c
index 8e2db5ead8da..a2d163f759b4 100644
--- a/drivers/clk/tegra/clk-tegra30.c
+++ b/drivers/clk/tegra/clk-tegra30.c
@@ -817,6 +817,7 @@ static struct tegra_clk tegra30_clks[tegra_clk_max] __initdata = {
[tegra_clk_pll_p_out4] = { .dt_id = TEGRA30_CLK_PLL_P_OUT4, .present = true },
[tegra_clk_pll_a] = { .dt_id = TEGRA30_CLK_PLL_A, .present = true },
[tegra_clk_pll_a_out0] = { .dt_id = TEGRA30_CLK_PLL_A_OUT0, .present = true },
+ [tegra_clk_cec] = { .dt_id = TEGRA30_CLK_CEC, .present = true },
};
static const char *pll_e_parents[] = { "pll_ref", "pll_p" };
diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c
index b2cdd9a235f4..ba923f0d5953 100644
--- a/drivers/clk/tegra/clk.c
+++ b/drivers/clk/tegra/clk.c
@@ -17,6 +17,7 @@
#include <linux/clkdev.h>
#include <linux/clk.h>
#include <linux/clk-provider.h>
+#include <linux/delay.h>
#include <linux/of.h>
#include <linux/clk/tegra.h>
#include <linux/reset-controller.h>
@@ -182,6 +183,20 @@ static int tegra_clk_rst_deassert(struct reset_controller_dev *rcdev,
return -EINVAL;
}
+static int tegra_clk_rst_reset(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ int err;
+
+ err = tegra_clk_rst_assert(rcdev, id);
+ if (err)
+ return err;
+
+ udelay(1);
+
+ return tegra_clk_rst_deassert(rcdev, id);
+}
+
const struct tegra_clk_periph_regs *get_reg_bank(int clkid)
{
int reg_bank = clkid / 32;
@@ -274,6 +289,7 @@ void __init tegra_init_from_table(struct tegra_clk_init_table *tbl,
static const struct reset_control_ops rst_ops = {
.assert = tegra_clk_rst_assert,
.deassert = tegra_clk_rst_deassert,
+ .reset = tegra_clk_rst_reset,
};
static struct reset_controller_dev rst_ctlr = {
diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h
index 6ba82ecffd4d..945b07093afa 100644
--- a/drivers/clk/tegra/clk.h
+++ b/drivers/clk/tegra/clk.h
@@ -116,7 +116,7 @@ struct tegra_clk_pll_freq_table {
unsigned long input_rate;
unsigned long output_rate;
u32 n;
- u16 m;
+ u32 m;
u8 p;
u8 cpcon;
u16 sdm_data;
@@ -586,11 +586,11 @@ struct tegra_clk_periph {
extern const struct clk_ops tegra_clk_periph_ops;
struct clk *tegra_clk_register_periph(const char *name,
- const char **parent_names, int num_parents,
+ const char * const *parent_names, int num_parents,
struct tegra_clk_periph *periph, void __iomem *clk_base,
u32 offset, unsigned long flags);
struct clk *tegra_clk_register_periph_nodiv(const char *name,
- const char **parent_names, int num_parents,
+ const char * const *parent_names, int num_parents,
struct tegra_clk_periph *periph, void __iomem *clk_base,
u32 offset);
@@ -626,7 +626,7 @@ struct tegra_periph_init_data {
const char *name;
int clk_id;
union {
- const char **parent_names;
+ const char *const *parent_names;
const char *parent_name;
} p;
int num_parents;
@@ -686,6 +686,8 @@ struct tegra_periph_init_data {
struct tegra_clk_super_mux {
struct clk_hw hw;
void __iomem *reg;
+ struct tegra_clk_frac_div frac_div;
+ const struct clk_ops *div_ops;
u8 width;
u8 flags;
u8 div2_index;
@@ -702,7 +704,10 @@ struct clk *tegra_clk_register_super_mux(const char *name,
const char **parent_names, u8 num_parents,
unsigned long flags, void __iomem *reg, u8 clk_super_flags,
u8 width, u8 pllx_index, u8 div2_index, spinlock_t *lock);
-
+struct clk *tegra_clk_register_super_clk(const char *name,
+ const char * const *parent_names, u8 num_parents,
+ unsigned long flags, void __iomem *reg, u8 clk_super_flags,
+ spinlock_t *lock);
/**
* struct clk_init_table - clock initialization table
* @clk_id: clock id as mentioned in device tree bindings