drivers: gpio: Add support for RZ/A2M

Add gpio support for RZ/A2M

Signed-off-by: Hoang Nguyen <[email protected]>
Signed-off-by: Binh Nguyen <[email protected]>

Author: Hoang Nguyen

drivers/gpio/CMakeLists.txt

@@ -83,6 +83,7 @@ zephyr_library_sources_ifdef(CONFIG_GPIO_PSOC6      gpio_psoc6.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_RA_IOPORT  gpio_renesas_ra_ioport.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_RCAR       gpio_rcar.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_RENESAS_RZ gpio_renesas_rz.c)
+zephyr_library_sources_ifdef(CONFIG_GPIO_RENESAS_RZA2M  gpio_renesas_rza2m.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_RP1        gpio_rp1.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_RPI_PICO   gpio_rpi_pico.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_RT1718S    gpio_rt1718s.c)

drivers/gpio/Kconfig

@@ -169,6 +169,7 @@ source "drivers/gpio/Kconfig.psoc6"
 source "drivers/gpio/Kconfig.rcar"
 source "drivers/gpio/Kconfig.renesas_ra_ioport"
 source "drivers/gpio/Kconfig.renesas_rz"
+source "drivers/gpio/Kconfig.renesas_rza2m"
 source "drivers/gpio/Kconfig.rp1"
 source "drivers/gpio/Kconfig.rpi_pico"
 source "drivers/gpio/Kconfig.rt1718s"

drivers/gpio/Kconfig.renesas_rza2m

@@ -0,0 +1,10 @@
+# Copyright (c) 2025 Renesas Electronics Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+config GPIO_RENESAS_RZA2M
+	bool "Renesas RZ/A2M GPIO"
+	default y
+	depends on DT_HAS_RENESAS_RZA2M_GPIO_ENABLED
+	select PINCTRL
+	help
+	  Enable Renesas RZ/A2M GPIO driver.