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path: root/drivers/clk/renesas/clk-rcar-gen3.c
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Diffstat (limited to 'drivers/clk/renesas/clk-rcar-gen3.c')
-rw-r--r--drivers/clk/renesas/clk-rcar-gen3.c109
1 files changed, 81 insertions, 28 deletions
diff --git a/drivers/clk/renesas/clk-rcar-gen3.c b/drivers/clk/renesas/clk-rcar-gen3.c
index 1697867..c8a5512 100644
--- a/drivers/clk/renesas/clk-rcar-gen3.c
+++ b/drivers/clk/renesas/clk-rcar-gen3.c
@@ -35,10 +35,16 @@
#define CPG_PLL2CR 0x002c
#define CPG_PLL4CR 0x01f4
-static const struct clk_div_table cpg_rpcsrc_div_table[] = {
+#define SD0CKCR1 0x08a4
+
+static const struct clk_div_table gen3_cpg_rpcsrc_div_table[] = {
{ 2, 5 }, { 3, 6 }, { 0, 0 },
};
+static const struct clk_div_table gen4_cpg_rpcsrc_div_table[] = {
+ { 0, 4 }, { 1, 6 }, { 2, 5 }, { 3, 6 }, { 0, 0 },
+};
+
static const struct clk_div_table r8a77970_cpg_sd0h_div_table[] = {
{ 0, 2 }, { 1, 3 }, { 2, 4 }, { 3, 6 },
{ 4, 8 }, { 5, 12 }, { 6, 16 }, { 7, 18 },
@@ -181,8 +187,10 @@ static u64 gen3_clk_get_rate64(struct clk *clk)
struct cpg_mssr_info *info = priv->info;
struct clk parent;
const struct cpg_core_clk *core;
- const struct rcar_gen3_cpg_pll_config *pll_config =
- priv->cpg_pll_config;
+ const struct rcar_gen3_cpg_pll_config *gen3_pll_config =
+ priv->gen3_cpg_pll_config;
+ const struct rcar_gen4_cpg_pll_config *gen4_pll_config =
+ priv->gen4_cpg_pll_config;
u32 value, div;
u64 rate = 0;
u8 shift;
@@ -227,7 +235,7 @@ static u64 gen3_clk_get_rate64(struct clk *clk)
case CLK_TYPE_GEN3_MAIN:
return gen3_clk_get_rate64_pll_mul_reg(priv, &parent,
- 0, 1, pll_config->extal_div,
+ 0, 1, gen3_pll_config->extal_div,
"MAIN");
case CLK_TYPE_GEN3_PLL0:
@@ -236,8 +244,9 @@ static u64 gen3_clk_get_rate64(struct clk *clk)
case CLK_TYPE_GEN3_PLL1:
return gen3_clk_get_rate64_pll_mul_reg(priv, &parent,
- 0, pll_config->pll1_mult,
- pll_config->pll1_div, "PLL1");
+ 0, gen3_pll_config->pll1_mult,
+ gen3_pll_config->pll1_div,
+ "PLL1");
case CLK_TYPE_GEN3_PLL2:
return gen3_clk_get_rate64_pll_mul_reg(priv, &parent,
@@ -245,8 +254,9 @@ static u64 gen3_clk_get_rate64(struct clk *clk)
case CLK_TYPE_GEN3_PLL3:
return gen3_clk_get_rate64_pll_mul_reg(priv, &parent,
- 0, pll_config->pll3_mult,
- pll_config->pll3_div, "PLL3");
+ 0, gen3_pll_config->pll3_mult,
+ gen3_pll_config->pll3_div,
+ "PLL3");
case CLK_TYPE_GEN3_PLL4:
return gen3_clk_get_rate64_pll_mul_reg(priv, &parent,
@@ -254,25 +264,48 @@ static u64 gen3_clk_get_rate64(struct clk *clk)
case CLK_TYPE_GEN4_MAIN:
return gen3_clk_get_rate64_pll_mul_reg(priv, &parent,
- 0, 1, pll_config->extal_div,
- "V3U_MAIN");
+ 0, 1, gen4_pll_config->extal_div,
+ "MAIN");
case CLK_TYPE_GEN4_PLL1:
return gen3_clk_get_rate64_pll_mul_reg(priv, &parent,
- 0, pll_config->pll1_mult,
- pll_config->pll1_div,
- "V3U_PLL1");
+ 0, gen4_pll_config->pll1_mult,
+ gen4_pll_config->pll1_div,
+ "PLL1");
+
+ case CLK_TYPE_GEN4_PLL2:
+ return gen3_clk_get_rate64_pll_mul_reg(priv, &parent,
+ 0, gen4_pll_config->pll2_mult,
+ gen4_pll_config->pll2_div,
+ "PLL2");
case CLK_TYPE_GEN4_PLL2X_3X:
return gen3_clk_get_rate64_pll_mul_reg(priv, &parent,
- core->offset, 0, 0,
- "V3U_PLL2X_3X");
+ core->offset, 0, 0, "PLL2X_3X");
+
+ case CLK_TYPE_GEN4_PLL3:
+ return gen3_clk_get_rate64_pll_mul_reg(priv, &parent,
+ 0, gen4_pll_config->pll3_mult,
+ gen4_pll_config->pll3_div,
+ "PLL3");
+
+ case CLK_TYPE_GEN4_PLL4:
+ return gen3_clk_get_rate64_pll_mul_reg(priv, &parent,
+ 0, gen4_pll_config->pll4_mult,
+ gen4_pll_config->pll4_div,
+ "PLL4");
case CLK_TYPE_GEN4_PLL5:
return gen3_clk_get_rate64_pll_mul_reg(priv, &parent,
- 0, pll_config->pll5_mult,
- pll_config->pll5_div,
- "V3U_PLL5");
+ 0, gen4_pll_config->pll5_mult,
+ gen4_pll_config->pll5_div,
+ "PLL5");
+
+ case CLK_TYPE_GEN4_PLL6:
+ return gen3_clk_get_rate64_pll_mul_reg(priv, &parent,
+ 0, gen4_pll_config->pll6_mult,
+ gen4_pll_config->pll6_div,
+ "PLL6");
case CLK_TYPE_FF:
return gen3_clk_get_rate64_pll_mul_reg(priv, &parent,
@@ -288,6 +321,13 @@ static u64 gen3_clk_get_rate64(struct clk *clk)
div, rate);
return rate;
+ case CLK_TYPE_GEN4_SDSRC:
+ div = ((readl(priv->base + SD0CKCR1) >> 29) & 0x03) + 4;
+ rate = gen3_clk_get_rate64(&parent) / div;
+ debug("%s[%i] SDSRC clk: parent=%i div=%u => rate=%llu\n",
+ __func__, __LINE__, core->parent, div, rate);
+ return rate;
+
case CLK_TYPE_GEN3_SDH: /* Fixed factor 1:1 */
fallthrough;
case CLK_TYPE_GEN4_SDH: /* Fixed factor 1:1 */
@@ -321,7 +361,16 @@ static u64 gen3_clk_get_rate64(struct clk *clk)
gen3_clk_get_rate64(&parent),
priv->base + CPG_RPCCKCR,
CPG_RPCCKCR_DIV_POST_MASK,
- cpg_rpcsrc_div_table, "RPCSRC");
+ gen3_cpg_rpcsrc_div_table,
+ "RPCSRC");
+
+ case CLK_TYPE_GEN4_RPCSRC:
+ return rcar_clk_get_rate64_div_table(core->parent,
+ gen3_clk_get_rate64(&parent),
+ priv->base + CPG_RPCCKCR,
+ CPG_RPCCKCR_DIV_POST_MASK,
+ gen4_cpg_rpcsrc_div_table,
+ "RPCSRC");
case CLK_TYPE_GEN3_D3_RPCSRC:
case CLK_TYPE_GEN3_E3_RPCSRC:
@@ -409,6 +458,7 @@ static int gen3_clk_probe(struct udevice *dev)
struct gen3_clk_priv *priv = dev_get_priv(dev);
struct cpg_mssr_info *info =
(struct cpg_mssr_info *)dev_get_driver_data(dev);
+ const void *pll_config;
fdt_addr_t rst_base;
int ret;
@@ -427,21 +477,24 @@ static int gen3_clk_probe(struct udevice *dev)
priv->cpg_mode = readl(rst_base + info->reset_modemr_offset);
- priv->cpg_pll_config =
- (struct rcar_gen3_cpg_pll_config *)info->get_pll_config(priv->cpg_mode);
- if (!priv->cpg_pll_config->extal_div)
- return -EINVAL;
+ pll_config = info->get_pll_config(priv->cpg_mode);
if (info->reg_layout == CLK_REG_LAYOUT_RCAR_GEN2_AND_GEN3) {
priv->info->status_regs = mstpsr;
priv->info->control_regs = smstpcr;
priv->info->reset_regs = srcr;
priv->info->reset_clear_regs = srstclr;
- } else if (info->reg_layout == CLK_REG_LAYOUT_RCAR_V3U) {
- priv->info->status_regs = mstpsr_for_v3u;
- priv->info->control_regs = mstpcr_for_v3u;
- priv->info->reset_regs = srcr_for_v3u;
- priv->info->reset_clear_regs = srstclr_for_v3u;
+ priv->gen3_cpg_pll_config = pll_config;
+ if (!priv->gen3_cpg_pll_config->extal_div)
+ return -EINVAL;
+ } else if (info->reg_layout == CLK_REG_LAYOUT_RCAR_GEN4) {
+ priv->info->status_regs = mstpsr_for_gen4;
+ priv->info->control_regs = mstpcr_for_gen4;
+ priv->info->reset_regs = srcr_for_gen4;
+ priv->info->reset_clear_regs = srstclr_for_gen4;
+ priv->gen4_cpg_pll_config = pll_config;
+ if (!priv->gen4_cpg_pll_config->extal_div)
+ return -EINVAL;
} else {
return -EINVAL;
}
generated by cgit v1.1 at 2024-09-11 08:25:40 +0000