On R8A779A0 V3U SoC, PLL1 and PLL5 use a divider value from cpg_pll_configs table while PLL{20,21,30,31,4} use different control offset. Introduce new types to handle this and handle those types in the Gen3 clock code.
Based on "clk: renesas: Add support for R8A779A0 V3U PLLn" by Hai Pham hai.pham.ud@renesas.com
Signed-off-by: Marek Vasut marek.vasut+renesas@gmail.com --- drivers/clk/renesas/clk-rcar-gen3.c | 24 ++++++++++++++++++++++++ drivers/clk/renesas/rcar-gen3-cpg.h | 9 +++++++++ 2 files changed, 33 insertions(+)
diff --git a/drivers/clk/renesas/clk-rcar-gen3.c b/drivers/clk/renesas/clk-rcar-gen3.c index 7b42e28e83..c7dba341c1 100644 --- a/drivers/clk/renesas/clk-rcar-gen3.c +++ b/drivers/clk/renesas/clk-rcar-gen3.c @@ -253,6 +253,28 @@ static u64 gen3_clk_get_rate64(struct clk *clk) return gen3_clk_get_rate64_pll_mul_reg(priv, &parent, core, CPG_PLL4CR, 0, 0, "PLL4");
+ case CLK_TYPE_R8A779A0_MAIN: + return gen3_clk_get_rate64_pll_mul_reg(priv, &parent, core, + 0, 1, pll_config->extal_div, + "V3U_MAIN"); + + case CLK_TYPE_R8A779A0_PLL1: + return gen3_clk_get_rate64_pll_mul_reg(priv, &parent, core, + 0, pll_config->pll1_mult, + pll_config->pll1_div, + "V3U_PLL1"); + + case CLK_TYPE_R8A779A0_PLL2X_3X: + return gen3_clk_get_rate64_pll_mul_reg(priv, &parent, core, + core->offset, 0, 0, + "V3U_PLL2X_3X"); + + case CLK_TYPE_R8A779A0_PLL5: + return gen3_clk_get_rate64_pll_mul_reg(priv, &parent, core, + 0, pll_config->pll5_mult, + pll_config->pll5_div, + "V3U_PLL5"); + case CLK_TYPE_FF: return gen3_clk_get_rate64_pll_mul_reg(priv, &parent, core, 0, core->mult, core->div, @@ -268,6 +290,8 @@ static u64 gen3_clk_get_rate64(struct clk *clk) return rate;
case CLK_TYPE_GEN3_SD: /* FIXME */ + fallthrough; + case CLK_TYPE_R8A779A0_SD: value = readl(priv->base + core->offset); value &= CPG_SD_STP_MASK | CPG_SD_FC_MASK;
diff --git a/drivers/clk/renesas/rcar-gen3-cpg.h b/drivers/clk/renesas/rcar-gen3-cpg.h index 4fce0a9946..aa940a1ca2 100644 --- a/drivers/clk/renesas/rcar-gen3-cpg.h +++ b/drivers/clk/renesas/rcar-gen3-cpg.h @@ -27,6 +27,13 @@ enum rcar_gen3_clk_types { CLK_TYPE_GEN3_E3_RPCSRC, CLK_TYPE_GEN3_RPC, CLK_TYPE_GEN3_RPCD2, + CLK_TYPE_R8A779A0_MAIN, + CLK_TYPE_R8A779A0_PLL1, + CLK_TYPE_R8A779A0_PLL2X_3X, /* PLL[23][01] */ + CLK_TYPE_R8A779A0_PLL5, + CLK_TYPE_R8A779A0_SD, + CLK_TYPE_R8A779A0_MDSEL, /* Select parent/divider using mode pin */ + CLK_TYPE_R8A779A0_OSC, /* OSC EXTAL predivider and fixed divider */
/* SoC specific definitions start here */ CLK_TYPE_GEN3_SOC_BASE, @@ -69,6 +76,8 @@ struct rcar_gen3_cpg_pll_config { u8 pll3_mult; u8 pll3_div; u8 osc_prediv; + u8 pll5_mult; + u8 pll5_div; };
#define CPG_RST_MODEMR 0x060