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

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@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
v1->v2:
- Updated commit message
- Added reviewed-by tags
---
 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 b83ef933ae0f..baf917ff4beb 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

On Tue, 17 Jun 2025 at 17:58, Prabhakar <prabhakar.csengg@gmail.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> 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@bp.renesas.com>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> ---
> v1->v2:
> - Updated commit message
> - Added reviewed-by tags

Thanks, will queue in renesas-clk for v6.17.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds