[PATCH 2/2] clk: renesas: r9a07g043: Add support for RZ/Five SoC

From: Lad Prabhakar
Date: Wed Jun 22 2022 - 14:17:56 EST


Renesas RZ/Five SoC has almost the same clock structure compared to the
Renesas RZ/G2UL SoC, re-use the r9a07g043-cpg.c file to add support for
RZ/Five SoC.

This patch splits up the clocks and reset arrays for RZ/G2UL and RZ/Five
SoC using #ifdef CONFIG_ARM64 and #ifdef CONFIG_RISCV checks.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
drivers/clk/renesas/r9a07g043-cpg.c | 32 +++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)

diff --git a/drivers/clk/renesas/r9a07g043-cpg.c b/drivers/clk/renesas/r9a07g043-cpg.c
index 33c2bd8df2e5..37475465100d 100644
--- a/drivers/clk/renesas/r9a07g043-cpg.c
+++ b/drivers/clk/renesas/r9a07g043-cpg.c
@@ -36,9 +36,11 @@ enum clk_ids {
CLK_PLL3_DIV2_4_2,
CLK_SEL_PLL3_3,
CLK_DIV_PLL3_C,
+#ifdef CONFIG_ARM64
CLK_PLL5,
CLK_PLL5_500,
CLK_PLL5_250,
+#endif
CLK_PLL6,
CLK_PLL6_250,
CLK_P1_DIV2,
@@ -100,9 +102,11 @@ static const struct cpg_core_clk r9a07g043_core_clks[] __initconst = {
DEF_FIXED(".pll3_533", CLK_PLL3_533, CLK_PLL3, 1, 3),
DEF_MUX_RO(".sel_pll3_3", CLK_SEL_PLL3_3, SEL_PLL3_3, sel_pll3_3),
DEF_DIV("divpl3c", CLK_DIV_PLL3_C, CLK_SEL_PLL3_3, DIVPL3C, dtable_1_32),
+#ifdef CONFIG_ARM64
DEF_FIXED(".pll5", CLK_PLL5, CLK_EXTAL, 125, 1),
DEF_FIXED(".pll5_500", CLK_PLL5_500, CLK_PLL5, 1, 6),
DEF_FIXED(".pll5_250", CLK_PLL5_250, CLK_PLL5_500, 1, 2),
+#endif
DEF_FIXED(".pll6", CLK_PLL6, CLK_EXTAL, 125, 6),
DEF_FIXED(".pll6_250", CLK_PLL6_250, CLK_PLL6, 1, 2),

@@ -126,12 +130,20 @@ static const struct cpg_core_clk r9a07g043_core_clks[] __initconst = {
};

static struct rzg2l_mod_clk r9a07g043_mod_clks[] = {
+#ifdef CONFIG_ARM64
DEF_MOD("gic", R9A07G043_GIC600_GICCLK, R9A07G043_CLK_P1,
0x514, 0),
DEF_MOD("ia55_pclk", R9A07G043_IA55_PCLK, R9A07G043_CLK_P2,
0x518, 0),
DEF_MOD("ia55_clk", R9A07G043_IA55_CLK, R9A07G043_CLK_P1,
0x518, 1),
+#endif
+#ifdef CONFIG_RISCV
+ DEF_MOD("iax45_pclk", R9A07G043_IAX45_PCLK, R9A07G043_CLK_P2,
+ 0x518, 0),
+ DEF_MOD("iax45_clk", R9A07G043_IAX45_CLK, R9A07G043_CLK_P1,
+ 0x518, 1),
+#endif
DEF_MOD("dmac_aclk", R9A07G043_DMAC_ACLK, R9A07G043_CLK_P1,
0x52c, 0),
DEF_MOD("dmac_pclk", R9A07G043_DMAC_PCLK, CLK_P1_DIV2,
@@ -243,9 +255,14 @@ static struct rzg2l_mod_clk r9a07g043_mod_clks[] = {
};

static struct rzg2l_reset r9a07g043_resets[] = {
+#ifdef CONFIG_ARM64
DEF_RST(R9A07G043_GIC600_GICRESET_N, 0x814, 0),
DEF_RST(R9A07G043_GIC600_DBG_GICRESET_N, 0x814, 1),
DEF_RST(R9A07G043_IA55_RESETN, 0x818, 0),
+#endif
+#ifdef CONFIG_RISCV
+ DEF_RST(R9A07G043_IAX45_RESETN, 0x818, 0),
+#endif
DEF_RST(R9A07G043_DMAC_ARESETN, 0x82c, 0),
DEF_RST(R9A07G043_DMAC_RST_ASYNC, 0x82c, 1),
DEF_RST(R9A07G043_OSTM0_PRESETZ, 0x834, 0),
@@ -291,8 +308,13 @@ static struct rzg2l_reset r9a07g043_resets[] = {
};

static const unsigned int r9a07g043_crit_mod_clks[] __initconst = {
+#ifdef CONFIG_ARM64
MOD_CLK_BASE + R9A07G043_GIC600_GICCLK,
MOD_CLK_BASE + R9A07G043_IA55_CLK,
+#endif
+#ifdef CONFIG_RISCV
+ MOD_CLK_BASE + R9A07G043_IAX45_CLK,
+#endif
MOD_CLK_BASE + R9A07G043_DMAC_ACLK,
};

@@ -310,11 +332,21 @@ const struct rzg2l_cpg_info r9a07g043_cpg_info = {
/* Module Clocks */
.mod_clks = r9a07g043_mod_clks,
.num_mod_clks = ARRAY_SIZE(r9a07g043_mod_clks),
+#ifdef CONFIG_ARM64
.num_hw_mod_clks = R9A07G043_TSU_PCLK + 1,
+#endif
+#ifdef CONFIG_RISCV
+ .num_hw_mod_clks = R9A07G043_IAX45_PCLK + 1,
+#endif

/* Resets */
.resets = r9a07g043_resets,
+#ifdef CONFIG_ARM64
.num_resets = R9A07G043_TSU_PRESETN + 1, /* Last reset ID + 1 */
+#endif
+#ifdef CONFIG_RISCV
+ .num_resets = R9A07G043_IAX45_RESETN + 1, /* Last reset ID + 1 */
+#endif

.has_clk_mon_regs = true,
};
--
2.25.1