[PATCH 4/8] clk: renesas: Add MSSR support to RZ/N2H SoC
From: Prabhakar
Date: Mon Jun 09 2025 - 16:37:53 EST
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Add clock driver support for the Renesas RZ/N2H (R9A09G087) SoC by reusing
the existing RZ/T2H (R9A09G077) CPG/MSSR implementation, as both SoCs
share the same clock and reset architecture.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
drivers/clk/renesas/Kconfig | 5 +++++
drivers/clk/renesas/Makefile | 1 +
drivers/clk/renesas/r9a09g077-cpg.c | 1 +
drivers/clk/renesas/renesas-cpg-mssr.c | 6 ++++++
4 files changed, 13 insertions(+)
diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig
index 45f9ae5b6ef1..6a5a04664990 100644
--- a/drivers/clk/renesas/Kconfig
+++ b/drivers/clk/renesas/Kconfig
@@ -44,6 +44,7 @@ config CLK_RENESAS
select CLK_R9A09G056 if ARCH_R9A09G056
select CLK_R9A09G057 if ARCH_R9A09G057
select CLK_R9A09G077 if ARCH_R9A09G077
+ select CLK_R9A09G087 if ARCH_R9A09G087
select CLK_SH73A0 if ARCH_SH73A0
if CLK_RENESAS
@@ -213,6 +214,10 @@ config CLK_R9A09G077
bool "RZ/T2H clock support" if COMPILE_TEST
select CLK_RENESAS_CPG_MSSR
+config CLK_R9A09G087
+ bool "RZ/N2H clock support" if COMPILE_TEST
+ select CLK_RENESAS_CPG_MSSR
+
config CLK_SH73A0
bool "SH-Mobile AG5 clock support" if COMPILE_TEST
select CLK_RENESAS_CPG_MSTP
diff --git a/drivers/clk/renesas/Makefile b/drivers/clk/renesas/Makefile
index d8d894a15d24..d28eb276a153 100644
--- a/drivers/clk/renesas/Makefile
+++ b/drivers/clk/renesas/Makefile
@@ -41,6 +41,7 @@ obj-$(CONFIG_CLK_R9A09G047) += r9a09g047-cpg.o
obj-$(CONFIG_CLK_R9A09G056) += r9a09g056-cpg.o
obj-$(CONFIG_CLK_R9A09G057) += r9a09g057-cpg.o
obj-$(CONFIG_CLK_R9A09G077) += r9a09g077-cpg.o
+obj-$(CONFIG_CLK_R9A09G087) += r9a09g077-cpg.o
obj-$(CONFIG_CLK_SH73A0) += clk-sh73a0.o
# Family
diff --git a/drivers/clk/renesas/r9a09g077-cpg.c b/drivers/clk/renesas/r9a09g077-cpg.c
index 206816a2df23..8002e1672b46 100644
--- a/drivers/clk/renesas/r9a09g077-cpg.c
+++ b/drivers/clk/renesas/r9a09g077-cpg.c
@@ -13,6 +13,7 @@
#include <linux/kernel.h>
#include <dt-bindings/clock/renesas,r9a09g077-cpg-mssr.h>
+#include <dt-bindings/clock/renesas,r9a09g087-cpg-mssr.h>
#include "renesas-cpg-mssr.h"
#define RZT2H_REG_BLOCK_SHIFT 11
diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c
index 4a5ac9eef9cc..5ff6ee1f7d4b 100644
--- a/drivers/clk/renesas/renesas-cpg-mssr.c
+++ b/drivers/clk/renesas/renesas-cpg-mssr.c
@@ -941,6 +941,12 @@ static const struct of_device_id cpg_mssr_match[] = {
.compatible = "renesas,r9a09g077-cpg-mssr",
.data = &r9a09g077_cpg_mssr_info,
},
+#endif
+#ifdef CONFIG_CLK_R9A09G087
+ {
+ .compatible = "renesas,r9a09g087-cpg-mssr",
+ .data = &r9a09g077_cpg_mssr_info,
+ },
#endif
{ /* sentinel */ }
};
--
2.49.0