[PATCH 1/8] clk: renesas: r9a09g047: Add support for CRU0 clocks, and resets

Tommaso Merciai
2025-02-10T11:46:21Z

Add support for CRU0 clocks and resets along with the corresponding
divider.

Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
---
drivers/clk/renesas/r9a09g047-cpg.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)

diff --git a/drivers/clk/renesas/r9a09g047-cpg.c b/drivers/clk/renesas/r9a09g047-cpg.c
index 51fd24c20ed5..5d02031219d8 100644
--- a/drivers/clk/renesas/r9a09g047-cpg.c
+++ b/drivers/clk/renesas/r9a09g047-cpg.c
@@ -28,6 +28,7 @@ enum clk_ids {
CLK_PLLCLN,
CLK_PLLDTY,
CLK_PLLCA55,
+ CLK_PLLVDO,

/* Internal Core Clocks */
CLK_PLLCM33_DIV16,
@@ -35,7 +36,10 @@ enum clk_ids {
CLK_PLLCLN_DIV8,
CLK_PLLCLN_DIV16,
CLK_PLLDTY_ACPU,
+ CLK_PLLDTY_ACPU_DIV2,
CLK_PLLDTY_ACPU_DIV4,
+ CLK_PLLDTY_DIV16,
+ CLK_PLLVDO_CRU0,

/* Module Clocks */
MOD_CLK_BASE,
@@ -49,6 +53,12 @@ static const struct clk_div_table dtable_1_8[] = {
{0, 0},
};

+static const struct clk_div_table dtable_2_4[] = {
+ {0, 2},
+ {1, 4},
+ {0, 0},
+};
+
static const struct clk_div_table dtable_2_64[] = {
{0, 2},
{1, 4},
@@ -69,6 +79,7 @@ static const struct cpg_core_clk r9a09g047_core_clks[] __initconst = {
DEF_FIXED(".pllcln", CLK_PLLCLN, CLK_QEXTAL, 200, 3),
DEF_FIXED(".plldty", CLK_PLLDTY, CLK_QEXTAL, 200, 3),
DEF_PLL(".pllca55", CLK_PLLCA55, CLK_QEXTAL, PLL_CONF(0x64)),
+ DEF_FIXED(".pllvdo", CLK_PLLVDO, CLK_QEXTAL, 105, 2),

/* Internal Core Clocks */
DEF_FIXED(".pllcm33_div16", CLK_PLLCM33_DIV16, CLK_PLLCM33, 1, 16),
@@ -78,7 +89,11 @@ static const struct cpg_core_clk r9a09g047_core_clks[] __initconst = {
DEF_FIXED(".pllcln_div16", CLK_PLLCLN_DIV16, CLK_PLLCLN, 1, 16),

DEF_DDIV(".plldty_acpu", CLK_PLLDTY_ACPU, CLK_PLLDTY, CDDIV0_DIVCTL2, dtable_2_64),
+ DEF_FIXED(".plldty_acpu_div2", CLK_PLLDTY_ACPU_DIV2, CLK_PLLDTY_ACPU, 1, 2),
DEF_FIXED(".plldty_acpu_div4", CLK_PLLDTY_ACPU_DIV4, CLK_PLLDTY_ACPU, 1, 4),
+ DEF_FIXED(".plldty_div16", CLK_PLLDTY_DIV16, CLK_PLLDTY, 1, 16),
+
+ DEF_DDIV(".pllvdo_cru0", CLK_PLLVDO_CRU0, CLK_PLLVDO, CDDIV3_DIVCTL3, dtable_2_4),

/* Core Clocks */
DEF_FIXED("sys_0_pclk", R9A09G047_SYS_0_PCLK, CLK_QEXTAL, 1, 1),
@@ -154,6 +169,12 @@ static const struct rzv2h_mod_clk r9a09g047_mod_clks[] __initconst = {
BUS_MSTOP(8, BIT(4))),
DEF_MOD("sdhi_2_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 14, 5, 14,
BUS_MSTOP(8, BIT(4))),
+ DEF_MOD("cru_0_aclk", CLK_PLLDTY_ACPU_DIV2, 13, 2, 6, 18,
+ BUS_MSTOP(9, BIT(4))),
+ DEF_MOD_NO_PM("cru_0_vclk", CLK_PLLVDO_CRU0, 13, 3, 6, 19,
+ BUS_MSTOP(9, BIT(4))),
+ DEF_MOD("cru_0_pclk", CLK_PLLDTY_DIV16, 13, 4, 6, 20,
+ BUS_MSTOP(9, BIT(4))),
};

static const struct rzv2h_reset r9a09g047_resets[] __initconst = {
@@ -177,6 +198,9 @@ static const struct rzv2h_reset r9a09g047_resets[] __initconst = {
DEF_RST(10, 7, 4, 24), /* SDHI_0_IXRST */
DEF_RST(10, 8, 4, 25), /* SDHI_1_IXRST */
DEF_RST(10, 9, 4, 26), /* SDHI_2_IXRST */
+ DEF_RST(12, 5, 5, 22), /* CRU_0_PRESETN */
+ DEF_RST(12, 6, 5, 23), /* CRU_0_ARESETN */
+ DEF_RST(12, 7, 5, 24), /* CRU_0_S_RESETN */
};

const struct rzv2h_cpg_info r9a09g047_cpg_info __initconst = {
--
2.34.1