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

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Message-Id: <20250210114540.524790-2-tommaso.merciai.xr@bp.renesas.com>
Date: Mon, 10 Feb 2025 12:45:33 +0100
From: Tommaso Merciai <tomm.merciai@...il.com>
To: tomm.merciai@...il.com
Cc: linux-renesas-soc@...r.kernel.org,
	linux-media@...r.kernel.org,
	biju.das.jz@...renesas.com,
	prabhakar.mahadev-lad.rj@...renesas.com,
	Tommaso Merciai <tommaso.merciai.xr@...renesas.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Magnus Damm <magnus.damm@...il.com>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-clk@...r.kernel.org
Subject: [PATCH 1/8] clk: renesas: r9a09g047: Add support for CRU0 clocks, and resets

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

Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@...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