From: Lad Prabhakar Date: Wed, 25 Jun 2025 14:17:04 +0000 (+0100) Subject: clk: renesas: r9a09g077: Add PLL2 and SDHI clock support X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=09d50e09fab65f42d4656e9b01f225db7d311348;p=thirdparty%2Flinux.git clk: renesas: r9a09g077: Add PLL2 and SDHI clock support Add support for PLL2 to the R9A09G077 (RZ/T2H) clock definitions and register it as the source for the high-speed SDHI clock (SDHI_CLKHS) operating at 800MHz. Also add fixed-factor clock PCLKAM derived from CLK_PLL4D1, and define module clocks for SDHI0 and SDHI1, both of which use PCLKAM as their clock source. Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/20250625141705.151383-3-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven --- diff --git a/drivers/clk/renesas/r9a09g077-cpg.c b/drivers/clk/renesas/r9a09g077-cpg.c index baf917ff4bebb..93862d84f95f7 100644 --- a/drivers/clk/renesas/r9a09g077-cpg.c +++ b/drivers/clk/renesas/r9a09g077-cpg.c @@ -67,7 +67,7 @@ enum rzt2h_clk_types { enum clk_ids { /* Core Clock Outputs exported to DT */ - LAST_DT_CORE_CLK = R9A09G077_CLK_PCLKL, + LAST_DT_CORE_CLK = R9A09G077_SDHI_CLKHS, /* External Input Clocks */ CLK_EXTAL, @@ -76,9 +76,11 @@ enum clk_ids { CLK_LOCO, CLK_PLL0, CLK_PLL1, + CLK_PLL2, CLK_PLL4, CLK_SEL_CLK_PLL0, CLK_SEL_CLK_PLL1, + CLK_SEL_CLK_PLL2, CLK_SEL_CLK_PLL4, CLK_PLL4D1, CLK_SCI0ASYNC, @@ -105,6 +107,7 @@ static const struct clk_div_table dtable_24_25_30_32[] = { static const char * const sel_clk_pll0[] = { ".loco", ".pll0" }; static const char * const sel_clk_pll1[] = { ".loco", ".pll1" }; +static const char * const sel_clk_pll2[] = { ".loco", ".pll2" }; static const char * const sel_clk_pll4[] = { ".loco", ".pll4" }; static const struct cpg_core_clk r9a09g077_core_clks[] __initconst = { @@ -115,12 +118,15 @@ static const struct cpg_core_clk r9a09g077_core_clks[] __initconst = { DEF_RATE(".loco", CLK_LOCO, 1000 * 1000), DEF_FIXED(".pll0", CLK_PLL0, CLK_EXTAL, 1, 48), DEF_FIXED(".pll1", CLK_PLL1, CLK_EXTAL, 1, 40), + DEF_FIXED(".pll2", CLK_PLL2, CLK_EXTAL, 1, 32), DEF_FIXED(".pll4", CLK_PLL4, CLK_EXTAL, 1, 96), DEF_MUX(".sel_clk_pll0", CLK_SEL_CLK_PLL0, SEL_PLL, sel_clk_pll0, ARRAY_SIZE(sel_clk_pll0), CLK_MUX_READ_ONLY), DEF_MUX(".sel_clk_pll1", CLK_SEL_CLK_PLL1, SEL_PLL, sel_clk_pll1, ARRAY_SIZE(sel_clk_pll1), CLK_MUX_READ_ONLY), + DEF_MUX(".sel_clk_pll2", CLK_SEL_CLK_PLL2, SEL_PLL, + sel_clk_pll2, ARRAY_SIZE(sel_clk_pll2), CLK_MUX_READ_ONLY), DEF_MUX(".sel_clk_pll4", CLK_SEL_CLK_PLL4, SEL_PLL, sel_clk_pll4, ARRAY_SIZE(sel_clk_pll4), CLK_MUX_READ_ONLY), @@ -142,10 +148,14 @@ static const struct cpg_core_clk r9a09g077_core_clks[] __initconst = { DEF_FIXED("PCLKGPTL", R9A09G077_CLK_PCLKGPTL, CLK_SEL_CLK_PLL1, 2, 1), DEF_FIXED("PCLKM", R9A09G077_CLK_PCLKM, CLK_SEL_CLK_PLL1, 8, 1), DEF_FIXED("PCLKL", R9A09G077_CLK_PCLKL, CLK_SEL_CLK_PLL1, 16, 1), + DEF_FIXED("PCLKAM", R9A09G077_CLK_PCLKAM, CLK_PLL4D1, 12, 1), + DEF_FIXED("SDHI_CLKHS", R9A09G077_SDHI_CLKHS, CLK_SEL_CLK_PLL2, 1, 1), }; static const struct mssr_mod_clk r9a09g077_mod_clks[] __initconst = { DEF_MOD("sci0fck", 8, CLK_SCI0ASYNC), + DEF_MOD("sdhi0", 1212, R9A09G077_CLK_PCLKAM), + DEF_MOD("sdhi1", 1213, R9A09G077_CLK_PCLKAM), }; static struct clk * __init