linux-kernel - [PATCH 1/3] clk: renesas: r9a09g056: Add entries for the DMACs

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Message-ID: <20251125221420.288809-2-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Tue, 25 Nov 2025 22:14:18 +0000
From: Prabhakar <prabhakar.csengg@...il.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>
Cc: linux-renesas-soc@...r.kernel.org,
	linux-clk@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Prabhakar <prabhakar.csengg@...il.com>,
	Biju Das <biju.das.jz@...renesas.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH 1/3] clk: renesas: r9a09g056: Add entries for the DMACs

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Add clock and reset entries for the DMAC IPs.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
 drivers/clk/renesas/r9a09g056-cpg.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/clk/renesas/r9a09g056-cpg.c b/drivers/clk/renesas/r9a09g056-cpg.c
index f48a082e65d7..19b712685a31 100644
--- a/drivers/clk/renesas/r9a09g056-cpg.c
+++ b/drivers/clk/renesas/r9a09g056-cpg.c
@@ -51,6 +51,8 @@ enum clk_ids {
 	CLK_PLLDTY_ACPU_DIV4,
 	CLK_PLLDTY_DIV8,
 	CLK_PLLDTY_DIV16,
+	CLK_PLLDTY_RCPU,
+	CLK_PLLDTY_RCPU_DIV4,
 	CLK_PLLVDO_CRU0,
 	CLK_PLLVDO_CRU1,
 	CLK_PLLVDO_ISP,
@@ -184,6 +186,8 @@ static const struct cpg_core_clk r9a09g056_core_clks[] __initconst = {
 	DEF_FIXED(".plldty_acpu_div4", CLK_PLLDTY_ACPU_DIV4, CLK_PLLDTY_ACPU, 1, 4),
 	DEF_FIXED(".plldty_div8", CLK_PLLDTY_DIV8, CLK_PLLDTY, 1, 8),
 	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),
@@ -231,6 +235,16 @@ static const struct cpg_core_clk r9a09g056_core_clks[] __initconst = {
 };
 
 static const struct rzv2h_mod_clk r9a09g056_mod_clks[] __initconst = {
+	DEF_MOD("dmac_0_aclk",			CLK_PLLCM33_GEAR, 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("gic_0_gicclk",	CLK_PLLDTY_ACPU_DIV4, 1, 3, 0, 19,
 						BUS_MSTOP(3, BIT(5))),
 	DEF_MOD("gtm_0_pclk",			CLK_PLLCM33_DIV16, 4, 3, 2, 3,
@@ -401,6 +415,11 @@ static const struct rzv2h_mod_clk r9a09g056_mod_clks[] __initconst = {
 
 static const struct rzv2h_reset r9a09g056_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, 8, 1, 9),		/* GIC_0_GICRESET_N */
 	DEF_RST(3, 9, 1, 10),		/* GIC_0_DBG_GICRESET_N */
 	DEF_RST(6, 13, 2, 30),		/* GTM_0_PRESETZ */
-- 
2.52.0