linux-kernel - [PATCH] clk: renesas: r9a09g057: Add CA55 core clocks

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Message-Id: <20240918135957.290101-1-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Wed, 18 Sep 2024 14:59:57 +0100
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] clk: renesas: r9a09g057: Add CA55 core clocks

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

Add CA55 core clocks which are derived from PLLCA55.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
 drivers/clk/renesas/r9a09g057-cpg.c | 16 ++++++++++++++++
 drivers/clk/renesas/rzv2h-cpg.h     |  5 +++++
 2 files changed, 21 insertions(+)

diff --git a/drivers/clk/renesas/r9a09g057-cpg.c b/drivers/clk/renesas/r9a09g057-cpg.c
index 3ee32db5c0af..d7e88550c1db 100644
--- a/drivers/clk/renesas/r9a09g057-cpg.c
+++ b/drivers/clk/renesas/r9a09g057-cpg.c
@@ -41,6 +41,14 @@ enum clk_ids {
 	MOD_CLK_BASE,
 };
 
+static const struct clk_div_table dtable_1_8[] = {
+	{0, 1},
+	{1, 2},
+	{2, 4},
+	{3, 8},
+	{0, 0},
+};
+
 static const struct clk_div_table dtable_2_64[] = {
 	{0, 2},
 	{1, 4},
@@ -74,6 +82,14 @@ static const struct cpg_core_clk r9a09g057_core_clks[] __initconst = {
 
 	/* Core Clocks */
 	DEF_FIXED("sys_0_pclk", R9A09G057_SYS_0_PCLK, CLK_QEXTAL, 1, 1),
+	DEF_DDIV(".ca55_0_coreclk0", R9A09G057_CA55_0_CORE_CLK0,
+		 CLK_PLLCA55, CDDIV1_DIVCTL0, dtable_1_8),
+	DEF_DDIV(".ca55_0_coreclk1", R9A09G057_CA55_0_CORE_CLK1,
+		 CLK_PLLCA55, CDDIV1_DIVCTL1, dtable_1_8),
+	DEF_DDIV(".ca55_0_coreclk2", R9A09G057_CA55_0_CORE_CLK2,
+		 CLK_PLLCA55, CDDIV1_DIVCTL2, dtable_1_8),
+	DEF_DDIV(".ca55_0_coreclk3", R9A09G057_CA55_0_CORE_CLK3,
+		 CLK_PLLCA55, CDDIV1_DIVCTL3, dtable_1_8),
 	DEF_FIXED("iotop_0_shclk", R9A09G057_IOTOP_0_SHCLK, CLK_PLLCM33_DIV16, 1, 1),
 };
 
diff --git a/drivers/clk/renesas/rzv2h-cpg.h b/drivers/clk/renesas/rzv2h-cpg.h
index 1bd406c69015..819029c81904 100644
--- a/drivers/clk/renesas/rzv2h-cpg.h
+++ b/drivers/clk/renesas/rzv2h-cpg.h
@@ -32,8 +32,13 @@ struct ddiv {
 	})
 
 #define CPG_CDDIV0		(0x400)
+#define CPG_CDDIV1		(0x404)
 
 #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)
 
 /**
  * Definitions of CPG Core Clocks
-- 
2.34.1