pinctrl: renesas: Add support for RZ/T2H

Add a pin control and GPIO driver for the Renesas RZ/T2H (R9A09G077)
SoC.

Signed-off-by: Thierry Bultel <thierry.bultel.yh@bp.renesas.com>
Co-developed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250808133017.2053637-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

drivers/pinctrl/renesas/Kconfig

@@ -44,6 +44,7 @@ config PINCTRL_RENESAS
 	select PINCTRL_RZG2L if ARCH_R9A09G047
 	select PINCTRL_RZG2L if ARCH_R9A09G056
 	select PINCTRL_RZG2L if ARCH_R9A09G057
+	select PINCTRL_RZT2H if ARCH_R9A09G077
 	select PINCTRL_PFC_SH7203 if CPU_SUBTYPE_SH7203
 	select PINCTRL_PFC_SH7264 if CPU_SUBTYPE_SH7264
 	select PINCTRL_PFC_SH7269 if CPU_SUBTYPE_SH7269
@@ -302,6 +303,17 @@ config PINCTRL_RZN1
 	help
 	  This selects pinctrl driver for Renesas RZ/N1 devices.
 
+config PINCTRL_RZT2H
+	bool "pin control support for RZ/N2H and RZ/T2H" if COMPILE_TEST
+	depends on 64BIT && OF
+	select GPIOLIB
+	select GENERIC_PINCTRL_GROUPS
+	select GENERIC_PINMUX_FUNCTIONS
+	select GENERIC_PINCONF
+	help
+	  This selects GPIO and pinctrl driver for Renesas RZ/T2H
+	  platforms.
+
 config PINCTRL_RZV2M
 	bool "pin control support for RZ/V2M" if COMPILE_TEST
 	depends on OF

drivers/pinctrl/renesas/Makefile

@@ -50,6 +50,7 @@ obj-$(CONFIG_PINCTRL_RZA1)	+= pinctrl-rza1.o
 obj-$(CONFIG_PINCTRL_RZA2)	+= pinctrl-rza2.o
 obj-$(CONFIG_PINCTRL_RZG2L)	+= pinctrl-rzg2l.o
 obj-$(CONFIG_PINCTRL_RZN1)	+= pinctrl-rzn1.o
+obj-$(CONFIG_PINCTRL_RZT2H)	+= pinctrl-rzt2h.o
 obj-$(CONFIG_PINCTRL_RZV2M)	+= pinctrl-rzv2m.o
 
 ifeq ($(CONFIG_COMPILE_TEST),y)