[U-Boot] [PATCH 01/12] clk: rmobile: Split R8A7795 and R8A7796 core clock tables
Marek Vasut
marek.vasut at gmail.com
Sun Aug 20 15:13:39 UTC 2017
The R8A7795 and R8A7796 tables use different constants to identify
clock in DT, so split the tables and use the correct constants on
R8A7795. This fixes UART clock misconfiguration on R8A7795.
Signed-off-by: Marek Vasut <marek.vasut+renesas at gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
---
drivers/clk/renesas/clk-rcar-gen3.c | 129 +++++++++++++++++++++++++++---------
1 file changed, 96 insertions(+), 33 deletions(-)
diff --git a/drivers/clk/renesas/clk-rcar-gen3.c b/drivers/clk/renesas/clk-rcar-gen3.c
index 5ea7d9a1f5..4e74856940 100644
--- a/drivers/clk/renesas/clk-rcar-gen3.c
+++ b/drivers/clk/renesas/clk-rcar-gen3.c
@@ -73,6 +73,8 @@ struct gen3_clk_priv {
struct clk clk_extal;
struct clk clk_extalr;
const struct rcar_gen3_cpg_pll_config *cpg_pll_config;
+ const struct cpg_core_clk *core_clk;
+ u32 core_clk_size;
const struct mssr_mod_clk *mod_clk;
u32 mod_clk_size;
};
@@ -181,7 +183,7 @@ enum clk_ids {
MOD_CLK_BASE
};
-static const struct cpg_core_clk gen3_core_clks[] = {
+static const struct cpg_core_clk r8a7795_core_clks[] = {
/* External Clock Inputs */
DEF_INPUT("extal", CLK_EXTAL),
DEF_INPUT("extalr", CLK_EXTALR),
@@ -203,38 +205,38 @@ static const struct cpg_core_clk gen3_core_clks[] = {
DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1),
/* Core Clock Outputs */
- DEF_FIXED("ztr", R8A7796_CLK_ZTR, CLK_PLL1_DIV2, 6, 1),
- DEF_FIXED("ztrd2", R8A7796_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1),
- DEF_FIXED("zt", R8A7796_CLK_ZT, CLK_PLL1_DIV2, 4, 1),
- DEF_FIXED("zx", R8A7796_CLK_ZX, CLK_PLL1_DIV2, 2, 1),
- DEF_FIXED("s0d1", R8A7796_CLK_S0D1, CLK_S0, 1, 1),
- DEF_FIXED("s0d2", R8A7796_CLK_S0D2, CLK_S0, 2, 1),
- DEF_FIXED("s0d3", R8A7796_CLK_S0D3, CLK_S0, 3, 1),
- DEF_FIXED("s0d4", R8A7796_CLK_S0D4, CLK_S0, 4, 1),
- DEF_FIXED("s0d6", R8A7796_CLK_S0D6, CLK_S0, 6, 1),
- DEF_FIXED("s0d8", R8A7796_CLK_S0D8, CLK_S0, 8, 1),
- DEF_FIXED("s0d12", R8A7796_CLK_S0D12, CLK_S0, 12, 1),
- DEF_FIXED("s1d1", R8A7796_CLK_S1D1, CLK_S1, 1, 1),
- DEF_FIXED("s1d2", R8A7796_CLK_S1D2, CLK_S1, 2, 1),
- DEF_FIXED("s1d4", R8A7796_CLK_S1D4, CLK_S1, 4, 1),
- DEF_FIXED("s2d1", R8A7796_CLK_S2D1, CLK_S2, 1, 1),
- DEF_FIXED("s2d2", R8A7796_CLK_S2D2, CLK_S2, 2, 1),
- DEF_FIXED("s2d4", R8A7796_CLK_S2D4, CLK_S2, 4, 1),
- DEF_FIXED("s3d1", R8A7796_CLK_S3D1, CLK_S3, 1, 1),
- DEF_FIXED("s3d2", R8A7796_CLK_S3D2, CLK_S3, 2, 1),
- DEF_FIXED("s3d4", R8A7796_CLK_S3D4, CLK_S3, 4, 1),
-
- DEF_GEN3_SD("sd0", R8A7796_CLK_SD0, CLK_SDSRC, 0x074),
- DEF_GEN3_SD("sd1", R8A7796_CLK_SD1, CLK_SDSRC, 0x078),
- DEF_GEN3_SD("sd2", R8A7796_CLK_SD2, CLK_SDSRC, 0x268),
- DEF_GEN3_SD("sd3", R8A7796_CLK_SD3, CLK_SDSRC, 0x26c),
-
- DEF_FIXED("cl", R8A7796_CLK_CL, CLK_PLL1_DIV2, 48, 1),
- DEF_FIXED("cp", R8A7796_CLK_CP, CLK_EXTAL, 2, 1),
+ DEF_FIXED("ztr", R8A7795_CLK_ZTR, CLK_PLL1_DIV2, 6, 1),
+ DEF_FIXED("ztrd2", R8A7795_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1),
+ DEF_FIXED("zt", R8A7795_CLK_ZT, CLK_PLL1_DIV2, 4, 1),
+ DEF_FIXED("zx", R8A7795_CLK_ZX, CLK_PLL1_DIV2, 2, 1),
+ DEF_FIXED("s0d1", R8A7795_CLK_S0D1, CLK_S0, 1, 1),
+ DEF_FIXED("s0d2", R8A7795_CLK_S0D2, CLK_S0, 2, 1),
+ DEF_FIXED("s0d3", R8A7795_CLK_S0D3, CLK_S0, 3, 1),
+ DEF_FIXED("s0d4", R8A7795_CLK_S0D4, CLK_S0, 4, 1),
+ DEF_FIXED("s0d6", R8A7795_CLK_S0D6, CLK_S0, 6, 1),
+ DEF_FIXED("s0d8", R8A7795_CLK_S0D8, CLK_S0, 8, 1),
+ DEF_FIXED("s0d12", R8A7795_CLK_S0D12, CLK_S0, 12, 1),
+ DEF_FIXED("s1d1", R8A7795_CLK_S1D1, CLK_S1, 1, 1),
+ DEF_FIXED("s1d2", R8A7795_CLK_S1D2, CLK_S1, 2, 1),
+ DEF_FIXED("s1d4", R8A7795_CLK_S1D4, CLK_S1, 4, 1),
+ DEF_FIXED("s2d1", R8A7795_CLK_S2D1, CLK_S2, 1, 1),
+ DEF_FIXED("s2d2", R8A7795_CLK_S2D2, CLK_S2, 2, 1),
+ DEF_FIXED("s2d4", R8A7795_CLK_S2D4, CLK_S2, 4, 1),
+ DEF_FIXED("s3d1", R8A7795_CLK_S3D1, CLK_S3, 1, 1),
+ DEF_FIXED("s3d2", R8A7795_CLK_S3D2, CLK_S3, 2, 1),
+ DEF_FIXED("s3d4", R8A7795_CLK_S3D4, CLK_S3, 4, 1),
+
+ DEF_GEN3_SD("sd0", R8A7795_CLK_SD0, CLK_SDSRC, 0x074),
+ DEF_GEN3_SD("sd1", R8A7795_CLK_SD1, CLK_SDSRC, 0x078),
+ DEF_GEN3_SD("sd2", R8A7795_CLK_SD2, CLK_SDSRC, 0x268),
+ DEF_GEN3_SD("sd3", R8A7795_CLK_SD3, CLK_SDSRC, 0x26c),
+
+ DEF_FIXED("cl", R8A7795_CLK_CL, CLK_PLL1_DIV2, 48, 1),
+ DEF_FIXED("cp", R8A7795_CLK_CP, CLK_EXTAL, 2, 1),
/* NOTE: HDMI, CSI, CAN etc. clock are missing */
- DEF_BASE("r", R8A7796_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT),
+ DEF_BASE("r", R8A7795_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT),
};
static const struct mssr_mod_clk r8a7795_mod_clks[] = {
@@ -392,6 +394,62 @@ static const struct mssr_mod_clk r8a7795_mod_clks[] = {
DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)),
};
+static const struct cpg_core_clk r8a7796_core_clks[] = {
+ /* External Clock Inputs */
+ DEF_INPUT("extal", CLK_EXTAL),
+ DEF_INPUT("extalr", CLK_EXTALR),
+
+ /* Internal Core Clocks */
+ DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL),
+ DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN),
+ DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN),
+ DEF_BASE(".pll2", CLK_PLL2, CLK_TYPE_GEN3_PLL2, CLK_MAIN),
+ DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN),
+ DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN),
+
+ DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1),
+ DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1),
+ DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1),
+ DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1),
+ DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1),
+ DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1),
+ DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1),
+
+ /* Core Clock Outputs */
+ DEF_FIXED("ztr", R8A7796_CLK_ZTR, CLK_PLL1_DIV2, 6, 1),
+ DEF_FIXED("ztrd2", R8A7796_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1),
+ DEF_FIXED("zt", R8A7796_CLK_ZT, CLK_PLL1_DIV2, 4, 1),
+ DEF_FIXED("zx", R8A7796_CLK_ZX, CLK_PLL1_DIV2, 2, 1),
+ DEF_FIXED("s0d1", R8A7796_CLK_S0D1, CLK_S0, 1, 1),
+ DEF_FIXED("s0d2", R8A7796_CLK_S0D2, CLK_S0, 2, 1),
+ DEF_FIXED("s0d3", R8A7796_CLK_S0D3, CLK_S0, 3, 1),
+ DEF_FIXED("s0d4", R8A7796_CLK_S0D4, CLK_S0, 4, 1),
+ DEF_FIXED("s0d6", R8A7796_CLK_S0D6, CLK_S0, 6, 1),
+ DEF_FIXED("s0d8", R8A7796_CLK_S0D8, CLK_S0, 8, 1),
+ DEF_FIXED("s0d12", R8A7796_CLK_S0D12, CLK_S0, 12, 1),
+ DEF_FIXED("s1d1", R8A7796_CLK_S1D1, CLK_S1, 1, 1),
+ DEF_FIXED("s1d2", R8A7796_CLK_S1D2, CLK_S1, 2, 1),
+ DEF_FIXED("s1d4", R8A7796_CLK_S1D4, CLK_S1, 4, 1),
+ DEF_FIXED("s2d1", R8A7796_CLK_S2D1, CLK_S2, 1, 1),
+ DEF_FIXED("s2d2", R8A7796_CLK_S2D2, CLK_S2, 2, 1),
+ DEF_FIXED("s2d4", R8A7796_CLK_S2D4, CLK_S2, 4, 1),
+ DEF_FIXED("s3d1", R8A7796_CLK_S3D1, CLK_S3, 1, 1),
+ DEF_FIXED("s3d2", R8A7796_CLK_S3D2, CLK_S3, 2, 1),
+ DEF_FIXED("s3d4", R8A7796_CLK_S3D4, CLK_S3, 4, 1),
+
+ DEF_GEN3_SD("sd0", R8A7796_CLK_SD0, CLK_SDSRC, 0x074),
+ DEF_GEN3_SD("sd1", R8A7796_CLK_SD1, CLK_SDSRC, 0x078),
+ DEF_GEN3_SD("sd2", R8A7796_CLK_SD2, CLK_SDSRC, 0x268),
+ DEF_GEN3_SD("sd3", R8A7796_CLK_SD3, CLK_SDSRC, 0x26c),
+
+ DEF_FIXED("cl", R8A7796_CLK_CL, CLK_PLL1_DIV2, 48, 1),
+ DEF_FIXED("cp", R8A7796_CLK_CP, CLK_EXTAL, 2, 1),
+
+ /* NOTE: HDMI, CSI, CAN etc. clock are missing */
+
+ DEF_BASE("r", R8A7796_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT),
+};
+
static const struct mssr_mod_clk r8a7796_mod_clks[] = {
DEF_MOD("scif5", 202, R8A7796_CLK_S3D4),
DEF_MOD("scif4", 203, R8A7796_CLK_S3D4),
@@ -648,17 +706,18 @@ static int gen3_clk_get_mod(struct clk *clk, const struct mssr_mod_clk **mssr)
static int gen3_clk_get_core(struct clk *clk, const struct cpg_core_clk **core)
{
+ struct gen3_clk_priv *priv = dev_get_priv(clk->dev);
const unsigned long clkid = clk->id & 0xffff;
int i;
if (gen3_clk_is_mod(clk))
return -EINVAL;
- for (i = 0; i < ARRAY_SIZE(gen3_core_clks); i++) {
- if (gen3_core_clks[i].id != clkid)
+ for (i = 0; i < priv->core_clk_size; i++) {
+ if (priv->core_clk[i].id != clkid)
continue;
- *core = &gen3_core_clks[i];
+ *core = &priv->core_clk[i];
return 0;
}
@@ -895,6 +954,8 @@ static int gen3_clk_probe(struct udevice *dev)
switch (model) {
case CLK_R8A7795:
+ priv->core_clk = r8a7795_core_clks;
+ priv->core_clk_size = ARRAY_SIZE(r8a7795_core_clks);
priv->mod_clk = r8a7795_mod_clks;
priv->mod_clk_size = ARRAY_SIZE(r8a7795_mod_clks);
ret = fdt_node_offset_by_compatible(gd->fdt_blob, -1,
@@ -903,6 +964,8 @@ static int gen3_clk_probe(struct udevice *dev)
return ret;
break;
case CLK_R8A7796:
+ priv->core_clk = r8a7796_core_clks;
+ priv->core_clk_size = ARRAY_SIZE(r8a7796_core_clks);
priv->mod_clk = r8a7796_mod_clks;
priv->mod_clk_size = ARRAY_SIZE(r8a7796_mod_clks);
ret = fdt_node_offset_by_compatible(gd->fdt_blob, -1,
--
2.11.0
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