[PATCH 1/7] clk: renesas: r9a09g057: Add entries for the DMACs
From: Fabrizio Castro
Date: Thu Feb 06 2025 - 17:03:52 EST
Add clock and reset entries for the Renesas RZ/V2H(P) DMAC IPs.
Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@xxxxxxxxxxx>
---
drivers/clk/renesas/r9a09g057-cpg.c | 24 ++++++++++++++++++++++++
drivers/clk/renesas/rzv2h-cpg.h | 2 ++
2 files changed, 26 insertions(+)
diff --git a/drivers/clk/renesas/r9a09g057-cpg.c b/drivers/clk/renesas/r9a09g057-cpg.c
index 3705e18f66ad..d63eafbca780 100644
--- a/drivers/clk/renesas/r9a09g057-cpg.c
+++ b/drivers/clk/renesas/r9a09g057-cpg.c
@@ -31,6 +31,8 @@ enum clk_ids {
CLK_PLLVDO,
/* Internal Core Clocks */
+ CLK_PLLCM33_DIV4,
+ CLK_PLLCM33_DIV4_PLLCM33,
CLK_PLLCM33_DIV16,
CLK_PLLCLN_DIV2,
CLK_PLLCLN_DIV8,
@@ -39,6 +41,8 @@ enum clk_ids {
CLK_PLLDTY_ACPU_DIV2,
CLK_PLLDTY_ACPU_DIV4,
CLK_PLLDTY_DIV16,
+ CLK_PLLDTY_RCPU,
+ CLK_PLLDTY_RCPU_DIV4,
CLK_PLLVDO_CRU0,
CLK_PLLVDO_CRU1,
CLK_PLLVDO_CRU2,
@@ -85,6 +89,9 @@ static const struct cpg_core_clk r9a09g057_core_clks[] __initconst = {
DEF_FIXED(".pllvdo", CLK_PLLVDO, CLK_QEXTAL, 105, 2),
/* Internal Core Clocks */
+ DEF_FIXED(".pllcm33_div4", CLK_PLLCM33_DIV4, CLK_PLLCM33, 1, 4),
+ DEF_DDIV(".pllcm33_div4_pllcm33", CLK_PLLCM33_DIV4_PLLCM33,
+ CLK_PLLCM33_DIV4, CDDIV0_DIVCTL1, dtable_2_64),
DEF_FIXED(".pllcm33_div16", CLK_PLLCM33_DIV16, CLK_PLLCM33, 1, 16),
DEF_FIXED(".pllcln_div2", CLK_PLLCLN_DIV2, CLK_PLLCLN, 1, 2),
@@ -95,6 +102,8 @@ static const struct cpg_core_clk r9a09g057_core_clks[] __initconst = {
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(".plldty_rcpu", CLK_PLLDTY_RCPU, CLK_PLLDTY, CDDIV3_DIVCTL2, dtable_2_64),
+ DEF_FIXED(".plldty_rcpu_div4", CLK_PLLDTY_RCPU_DIV4, CLK_PLLDTY_RCPU, 1, 4),
DEF_DDIV(".pllvdo_cru0", CLK_PLLVDO_CRU0, CLK_PLLVDO, CDDIV3_DIVCTL3, dtable_2_4),
DEF_DDIV(".pllvdo_cru1", CLK_PLLVDO_CRU1, CLK_PLLVDO, CDDIV4_DIVCTL0, dtable_2_4),
@@ -115,6 +124,16 @@ static const struct cpg_core_clk r9a09g057_core_clks[] __initconst = {
};
static const struct rzv2h_mod_clk r9a09g057_mod_clks[] __initconst = {
+ DEF_MOD("dmac_0_aclk", CLK_PLLCM33_DIV4_PLLCM33, 0, 0, 0, 0,
+ BUS_MSTOP(5, BIT(9))),
+ DEF_MOD("dmac_1_aclk", CLK_PLLDTY_ACPU_DIV2, 0, 1, 0, 1,
+ BUS_MSTOP(3, BIT(2))),
+ DEF_MOD("dmac_2_aclk", CLK_PLLDTY_ACPU_DIV2, 0, 2, 0, 2,
+ BUS_MSTOP(3, BIT(3))),
+ DEF_MOD("dmac_3_aclk", CLK_PLLDTY_RCPU_DIV4, 0, 3, 0, 3,
+ BUS_MSTOP(10, BIT(11))),
+ DEF_MOD("dmac_4_aclk", CLK_PLLDTY_RCPU_DIV4, 0, 4, 0, 4,
+ BUS_MSTOP(10, BIT(12))),
DEF_MOD_CRITICAL("icu_0_pclk_i", CLK_PLLCM33_DIV16, 0, 5, 0, 5,
BUS_MSTOP_NONE),
DEF_MOD_CRITICAL("gic_0_gicclk", CLK_PLLDTY_ACPU_DIV4, 1, 3, 0, 19,
@@ -223,6 +242,11 @@ static const struct rzv2h_mod_clk r9a09g057_mod_clks[] __initconst = {
static const struct rzv2h_reset r9a09g057_resets[] __initconst = {
DEF_RST(3, 0, 1, 1), /* SYS_0_PRESETN */
+ DEF_RST(3, 1, 1, 2), /* DMAC_0_ARESETN */
+ DEF_RST(3, 2, 1, 3), /* DMAC_1_ARESETN */
+ DEF_RST(3, 3, 1, 4), /* DMAC_2_ARESETN */
+ DEF_RST(3, 4, 1, 5), /* DMAC_3_ARESETN */
+ DEF_RST(3, 5, 1, 6), /* DMAC_4_ARESETN */
DEF_RST(3, 6, 1, 7), /* ICU_0_PRESETN_I */
DEF_RST(3, 8, 1, 9), /* GIC_0_GICRESET_N */
DEF_RST(3, 9, 1, 10), /* GIC_0_DBG_GICRESET_N */
diff --git a/drivers/clk/renesas/rzv2h-cpg.h b/drivers/clk/renesas/rzv2h-cpg.h
index fd8eb985c75b..576a070763cb 100644
--- a/drivers/clk/renesas/rzv2h-cpg.h
+++ b/drivers/clk/renesas/rzv2h-cpg.h
@@ -38,11 +38,13 @@ struct ddiv {
#define CPG_CDDIV3 (0x40C)
#define CPG_CDDIV4 (0x410)
+#define CDDIV0_DIVCTL1 DDIV_PACK(CPG_CDDIV0, 4, 3, 1)
#define CDDIV0_DIVCTL2 DDIV_PACK(CPG_CDDIV0, 8, 3, 2)
#define CDDIV1_DIVCTL0 DDIV_PACK(CPG_CDDIV1, 0, 2, 4)
#define CDDIV1_DIVCTL1 DDIV_PACK(CPG_CDDIV1, 4, 2, 5)
#define CDDIV1_DIVCTL2 DDIV_PACK(CPG_CDDIV1, 8, 2, 6)
#define CDDIV1_DIVCTL3 DDIV_PACK(CPG_CDDIV1, 12, 2, 7)
+#define CDDIV3_DIVCTL2 DDIV_PACK(CPG_CDDIV3, 8, 3, 14)
#define CDDIV3_DIVCTL3 DDIV_PACK(CPG_CDDIV3, 12, 1, 15)
#define CDDIV4_DIVCTL0 DDIV_PACK(CPG_CDDIV4, 0, 1, 16)
#define CDDIV4_DIVCTL1 DDIV_PACK(CPG_CDDIV4, 4, 1, 17)
--
2.34.1