diff options
| author | Marek Vasut <marek.vasut+renesas@gmail.com> | 2018-01-16 19:23:17 +0100 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2018-01-24 23:27:21 +0100 |
| commit | 7c88556323447977fc248c52c525f15d62c8cd2e (patch) | |
| tree | e95f6f3e014b5b6f9bc46f319996da778f59473a /drivers/clk/renesas/r8a7795-cpg-mssr.c | |
| parent | f11c9679aba16e73136e970a6c479751d2f442a1 (diff) | |
clk: renesas: Make PLL configurations per-SoC
Not all SoCs have the same PLL configuration options,
so make those PLL configuraion tables per-SoC.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'drivers/clk/renesas/r8a7795-cpg-mssr.c')
| -rw-r--r-- | drivers/clk/renesas/r8a7795-cpg-mssr.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c index ecbb9b31de..144d9becd9 100644 --- a/drivers/clk/renesas/r8a7795-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c @@ -264,6 +264,56 @@ static const struct mssr_mod_clk r8a7795_mod_clks[] = { DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), }; +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL2 PLL3 PLL4 + * 14 13 19 17 (MHz) + *------------------------------------------------------------------- + * 0 0 0 0 16.66 x 1 x180 x192 x144 x192 x144 + * 0 0 0 1 16.66 x 1 x180 x192 x144 x128 x144 + * 0 0 1 0 Prohibited setting + * 0 0 1 1 16.66 x 1 x180 x192 x144 x192 x144 + * 0 1 0 0 20 x 1 x150 x160 x120 x160 x120 + * 0 1 0 1 20 x 1 x150 x160 x120 x106 x120 + * 0 1 1 0 Prohibited setting + * 0 1 1 1 20 x 1 x150 x160 x120 x160 x120 + * 1 0 0 0 25 x 1 x120 x128 x96 x128 x96 + * 1 0 0 1 25 x 1 x120 x128 x96 x84 x96 + * 1 0 1 0 Prohibited setting + * 1 0 1 1 25 x 1 x120 x128 x96 x128 x96 + * 1 1 0 0 33.33 / 2 x180 x192 x144 x192 x144 + * 1 1 0 1 33.33 / 2 x180 x192 x144 x128 x144 + * 1 1 1 0 Prohibited setting + * 1 1 1 1 33.33 / 2 x180 x192 x144 x192 x144 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \ + (((md) & BIT(13)) >> 11) | \ + (((md) & BIT(19)) >> 18) | \ + (((md) & BIT(17)) >> 17)) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] = { + /* EXTAL div PLL1 mult/div PLL3 mult/div */ + { 1, 192, 1, 192, 1, }, + { 1, 192, 1, 128, 1, }, + { 0, /* Prohibited setting */ }, + { 1, 192, 1, 192, 1, }, + { 1, 160, 1, 160, 1, }, + { 1, 160, 1, 106, 1, }, + { 0, /* Prohibited setting */ }, + { 1, 160, 1, 160, 1, }, + { 1, 128, 1, 128, 1, }, + { 1, 128, 1, 84, 1, }, + { 0, /* Prohibited setting */ }, + { 1, 128, 1, 128, 1, }, + { 2, 192, 1, 192, 1, }, + { 2, 192, 1, 128, 1, }, + { 0, /* Prohibited setting */ }, + { 2, 192, 1, 192, 1, }, +}; + static const struct mstp_stop_table r8a7795_mstp_table[] = { { 0x00640800, 0x0 }, { 0xF3EE9390, 0x0 }, { 0x340FAFDC, 0x2040 }, { 0xD80C7CDF, 0x400 }, @@ -273,6 +323,11 @@ static const struct mstp_stop_table r8a7795_mstp_table[] = { { 0xFFFEFFE0, 0x0 }, { 0x00000000, 0x0 }, }; +static const void *r8a7795_get_pll_config(const u32 cpg_mode) +{ + return &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; +} + static const struct cpg_mssr_info r8a7795_cpg_mssr_info = { .core_clk = r8a7795_core_clks, .core_clk_size = ARRAY_SIZE(r8a7795_core_clks), @@ -285,6 +340,7 @@ static const struct cpg_mssr_info r8a7795_cpg_mssr_info = { .mod_clk_base = MOD_CLK_BASE, .clk_extal_id = CLK_EXTAL, .clk_extalr_id = CLK_EXTALR, + .get_pll_config = r8a7795_get_pll_config, }; static const struct udevice_id r8a7795_clk_ids[] = { |