#define CPG_PLL2CR 0x002c
#define CPG_PLL4CR 0x01f4
+#define CPG_RPC_PREDIV_MASK 0x3
+#define CPG_RPC_PREDIV_OFFSET 3
+#define CPG_RPC_POSTDIV_MASK 0x7
+#define CPG_RPC_POSTDIV_OFFSET 0
+
/*
* Module Standby and Software Reset register offets.
*
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;
};
DEF_BASE(_name, _id, CLK_TYPE_FF, _parent, .div = _div, .mult = _mult)
#define DEF_GEN3_SD(_name, _id, _parent, _offset) \
DEF_BASE(_name, _id, CLK_TYPE_GEN3_SD, _parent, .offset = _offset)
+#define DEF_GEN3_RPC(_name, _id, _parent, _offset) \
+ DEF_BASE(_name, _id, CLK_TYPE_GEN3_RPC, _parent, .offset = _offset)
/*
* Definitions of Module Clocks
CLK_TYPE_GEN3_PLL3,
CLK_TYPE_GEN3_PLL4,
CLK_TYPE_GEN3_SD,
+ CLK_TYPE_GEN3_RPC,
CLK_TYPE_GEN3_R,
};
CLK_S2,
CLK_S3,
CLK_SDSRC,
+ CLK_RPCSRC,
CLK_SSPSRC,
CLK_RINT,
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),
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),
+ DEF_FIXED(".rpcsrc", CLK_RPCSRC, CLK_PLL1, 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_GEN3_RPC("rpc", R8A7795_CLK_RPC, CLK_RPCSRC, 0x238),
+
+ 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[] = {
DEF_MOD("can-fd", 914, R8A7795_CLK_S3D2),
DEF_MOD("can-if1", 915, R8A7795_CLK_S3D4),
DEF_MOD("can-if0", 916, R8A7795_CLK_S3D4),
+ DEF_MOD("rpc", 917, R8A7795_CLK_RPC),
DEF_MOD("i2c6", 918, R8A7795_CLK_S0D6),
DEF_MOD("i2c5", 919, R8A7795_CLK_S0D6),
DEF_MOD("i2c-dvfs", 926, R8A7795_CLK_CP),
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),
+ DEF_FIXED(".rpcsrc", CLK_RPCSRC, CLK_PLL1, 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_GEN3_RPC("rpc", R8A7796_CLK_RPC, CLK_RPCSRC, 0x238),
+
+ 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),
DEF_MOD("can-fd", 914, R8A7796_CLK_S3D2),
DEF_MOD("can-if1", 915, R8A7796_CLK_S3D4),
DEF_MOD("can-if0", 916, R8A7796_CLK_S3D4),
+ DEF_MOD("rpc", 917, R8A7795_CLK_RPC),
DEF_MOD("i2c6", 918, R8A7796_CLK_S0D6),
DEF_MOD("i2c5", 919, R8A7796_CLK_S0D6),
DEF_MOD("i2c-dvfs", 926, R8A7796_CLK_CP),
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;
}
return 0;
}
+static int gen3_clk_setup_sdif_div(struct clk *clk)
+{
+ struct gen3_clk_priv *priv = dev_get_priv(clk->dev);
+ const struct cpg_core_clk *core;
+ struct clk parent;
+ int ret;
+
+ ret = gen3_clk_get_parent(clk, &parent);
+ if (ret) {
+ printf("%s[%i] parent fail, ret=%i\n", __func__, __LINE__, ret);
+ return ret;
+ }
+
+ if (gen3_clk_is_mod(&parent))
+ return 0;
+
+ ret = gen3_clk_get_core(&parent, &core);
+ if (ret)
+ return ret;
+
+ if (core->type != CLK_TYPE_GEN3_SD)
+ return 0;
+
+ debug("%s[%i] SDIF offset=%x\n", __func__, __LINE__, core->offset);
+
+ writel(1, priv->base + core->offset);
+
+ return 0;
+}
+
static int gen3_clk_endisable(struct clk *clk, bool enable)
{
struct gen3_clk_priv *priv = dev_get_priv(clk->dev);
const unsigned int reg = clkid / 100;
const unsigned int bit = clkid % 100;
const u32 bitmask = BIT(bit);
+ int ret;
if (!gen3_clk_is_mod(clk))
return -EINVAL;
clkid, reg, bit, enable ? "ON" : "OFF");
if (enable) {
+ ret = gen3_clk_setup_sdif_div(clk);
+ if (ret)
+ return ret;
clrbits_le32(priv->base + SMSTPCR(reg), bitmask);
return wait_for_bit("MSTP", priv->base + MSTPSR(reg),
bitmask, 0, 100, 0);
const struct cpg_core_clk *core;
const struct rcar_gen3_cpg_pll_config *pll_config =
priv->cpg_pll_config;
- u32 value, mult, rate = 0;
+ u32 value, mult, prediv, postdiv, rate = 0;
int i, ret;
debug("%s[%i] Clock: id=%lu\n", __func__, __LINE__, clk->id);
}
return -EINVAL;
+
+ case CLK_TYPE_GEN3_RPC:
+ rate = gen3_clk_get_rate(&parent);
+
+ value = readl(priv->base + core->offset);
+
+ prediv = (value >> CPG_RPC_PREDIV_OFFSET) &
+ CPG_RPC_PREDIV_MASK;
+ if (prediv == 2)
+ rate /= 5;
+ else if (prediv == 3)
+ rate /= 6;
+ else
+ return -EINVAL;
+
+ postdiv = (value >> CPG_RPC_POSTDIV_OFFSET) &
+ CPG_RPC_POSTDIV_MASK;
+ rate /= postdiv + 1;
+
+ debug("%s[%i] RPC clk: parent=%i prediv=%i postdiv=%i => rate=%u\n",
+ __func__, __LINE__,
+ core->parent, prediv, postdiv, rate);
+
+ return -EINVAL;
+
}
printf("%s[%i] unknown fail\n", __func__, __LINE__);
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,
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,
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