From: Biju Das Date: Tue, 19 May 2026 14:15:13 +0000 (+0100) Subject: clk: renesas: rzg2l: Simplify SAM PLL configuration macro X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6549ef9cc236cd09d42ae521e459817ae6b5c5fa;p=thirdparty%2Fkernel%2Flinux.git clk: renesas: rzg2l: Simplify SAM PLL configuration macro Replace the PLL146_CONF() macro and its associated CPG_SAMPLL_CLK{1,2}(n) helpers with a single CPG_SAM_PLL_CONF(stby) macro that takes the PLL standby register offset directly. This removes the implicit coupling between PLL index n and register layout and eliminates the now-redundant GET_REG_SAMPLL_CLK2() macro. The RZ/V2M PLL4 definition is also updated to use the new macro with its explicit standby offset (0x100), removing the local PLL4_CONF define. No functional changes. Reviewed-by: Geert Uytterhoeven Signed-off-by: Biju Das Link: https://patch.msgid.link/20260519141518.389670-2-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven --- diff --git a/drivers/clk/renesas/r9a07g043-cpg.c b/drivers/clk/renesas/r9a07g043-cpg.c index 70944ef8c5b8..59d6ee2e888f 100644 --- a/drivers/clk/renesas/r9a07g043-cpg.c +++ b/drivers/clk/renesas/r9a07g043-cpg.c @@ -103,7 +103,7 @@ static const struct cpg_core_clk r9a07g043_core_clks[] __initconst = { /* Internal Core Clocks */ DEF_FIXED(".osc", R9A07G043_OSCCLK, CLK_EXTAL, 1, 1), DEF_FIXED(".osc_div1000", CLK_OSC_DIV1000, CLK_EXTAL, 1, 1000), - DEF_SAMPLL(".pll1", CLK_PLL1, CLK_EXTAL, PLL146_CONF(0)), + DEF_SAMPLL(".pll1", CLK_PLL1, CLK_EXTAL, CPG_SAM_PLL_CONF(0)), DEF_FIXED(".pll2", CLK_PLL2, CLK_EXTAL, 200, 3), DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 1, 2), DEF_FIXED(".clk_800", CLK_PLL2_800, CLK_PLL2, 1, 2), diff --git a/drivers/clk/renesas/r9a07g044-cpg.c b/drivers/clk/renesas/r9a07g044-cpg.c index 2d3487203bf5..913cca6dd46f 100644 --- a/drivers/clk/renesas/r9a07g044-cpg.c +++ b/drivers/clk/renesas/r9a07g044-cpg.c @@ -159,7 +159,7 @@ static const struct { /* Internal Core Clocks */ DEF_FIXED(".osc", R9A07G044_OSCCLK, CLK_EXTAL, 1, 1), DEF_FIXED(".osc_div1000", CLK_OSC_DIV1000, CLK_EXTAL, 1, 1000), - DEF_SAMPLL(".pll1", CLK_PLL1, CLK_EXTAL, PLL146_CONF(0)), + DEF_SAMPLL(".pll1", CLK_PLL1, CLK_EXTAL, CPG_SAM_PLL_CONF(0)), DEF_FIXED(".pll2", CLK_PLL2, CLK_EXTAL, 200, 3), DEF_FIXED(".pll2_533", CLK_PLL2_533, CLK_PLL2, 1, 3), DEF_FIXED(".pll3", CLK_PLL3, CLK_EXTAL, 200, 3), diff --git a/drivers/clk/renesas/r9a09g011-cpg.c b/drivers/clk/renesas/r9a09g011-cpg.c index ba25429c244d..a99ab1375f07 100644 --- a/drivers/clk/renesas/r9a09g011-cpg.c +++ b/drivers/clk/renesas/r9a09g011-cpg.c @@ -16,11 +16,6 @@ #include "rzg2l-cpg.h" -#define RZV2M_SAMPLL4_CLK1 0x104 -#define RZV2M_SAMPLL4_CLK2 0x108 - -#define PLL4_CONF (RZV2M_SAMPLL4_CLK1 << 22 | RZV2M_SAMPLL4_CLK2 << 12) - #define DIV_A DDIV_PACK(0x200, 0, 3) #define DIV_B DDIV_PACK(0x204, 0, 2) #define DIV_D DDIV_PACK(0x204, 4, 2) @@ -131,7 +126,7 @@ static const struct cpg_core_clk r9a09g011_core_clks[] __initconst = { DEF_FIXED(".pll2_400", CLK_PLL2_400, CLK_PLL2_800, 1, 2), DEF_FIXED(".pll2_200", CLK_PLL2_200, CLK_PLL2_800, 1, 4), DEF_FIXED(".pll2_100", CLK_PLL2_100, CLK_PLL2_800, 1, 8), - DEF_SAMPLL(".pll4", CLK_PLL4, CLK_MAIN_2, PLL4_CONF), + DEF_SAMPLL(".pll4", CLK_PLL4, CLK_MAIN_2, CPG_SAM_PLL_CONF(0x100)), DEF_DIV_RO(".diva", CLK_DIV_A, CLK_PLL1, DIV_A, dtable_diva), DEF_DIV_RO(".divb", CLK_DIV_B, CLK_PLL2_400, DIV_B, dtable_divb), diff --git a/drivers/clk/renesas/rzg2l-cpg.c b/drivers/clk/renesas/rzg2l-cpg.c index 426e93dc7a98..ad9aab2ecc62 100644 --- a/drivers/clk/renesas/rzg2l-cpg.c +++ b/drivers/clk/renesas/rzg2l-cpg.c @@ -58,6 +58,10 @@ #define RZG3S_DIV_NF GENMASK(12, 1) #define RZG3S_SEL_PLL BIT(0) +#define CPG_PLL_STBY_OFFSET(conf) FIELD_GET(GENMASK(23, 12), (conf)) +#define CPG_PLL_CLK1_OFFSET(x) (CPG_PLL_STBY_OFFSET(x) + 0x4) +#define CPG_PLL_CLK2_OFFSET(x) (CPG_PLL_STBY_OFFSET(x) + 0x8) + #define RZG3L_PLL_STBY_OFFSET(x) (GET_REG_SAMPLL_CLK1(x) - 0x4) #define RZG3L_PLL_STBY_RESETB BIT(0) #define RZG3L_PLL_STBY_RESETB_WEN BIT(16) @@ -72,7 +76,6 @@ #define GET_REG_OFFSET(val) ((val >> 20) & 0xfff) #define GET_REG_SAMPLL_CLK1(val) ((val >> 22) & 0xfff) -#define GET_REG_SAMPLL_CLK2(val) ((val >> 12) & 0xfff) #define GET_REG_SAMPLL_SETTING(val) ((val) & 0xfff) #define CPG_WEN_BIT BIT(16) @@ -1093,8 +1096,8 @@ static unsigned long rzg2l_cpg_pll_clk_recalc_rate(struct clk_hw *hw, if (pll_clk->type != CLK_TYPE_SAM_PLL) return parent_rate; - val1 = readl(priv->base + GET_REG_SAMPLL_CLK1(pll_clk->conf)); - val2 = readl(priv->base + GET_REG_SAMPLL_CLK2(pll_clk->conf)); + val1 = readl(priv->base + CPG_PLL_CLK1_OFFSET(pll_clk->conf)); + val2 = readl(priv->base + CPG_PLL_CLK2_OFFSET(pll_clk->conf)); rate = mul_u64_u32_shr(parent_rate, (MDIV(val1) << 16) + KDIV(val1), 16 + SDIV(val2)); diff --git a/drivers/clk/renesas/rzg2l-cpg.h b/drivers/clk/renesas/rzg2l-cpg.h index 33f54ba0e64e..17ec6f285c21 100644 --- a/drivers/clk/renesas/rzg2l-cpg.h +++ b/drivers/clk/renesas/rzg2l-cpg.h @@ -58,11 +58,7 @@ #define CPG_CLKSTATUS_SELSDHI0_STS BIT(28) #define CPG_CLKSTATUS_SELSDHI1_STS BIT(29) -/* n = 0/1/2 for PLL1/4/6 */ -#define CPG_SAMPLL_CLK1(n) (0x04 + (16 * n)) -#define CPG_SAMPLL_CLK2(n) (0x08 + (16 * n)) - -#define PLL146_CONF(n) (CPG_SAMPLL_CLK1(n) << 22 | CPG_SAMPLL_CLK2(n) << 12) +#define CPG_SAM_PLL_CONF(stby) ((stby) << 12) #define DDIV_PACK(offset, bitpos, size) \ (((offset) << 20) | ((bitpos) << 12) | ((size) << 8))