[nrf fromtree] driver: gpio: Add gpio driver initial version of RTS5912.

Add gpio driver for Realtek RTS5912.

Signed-off-by: Adam Kondraciuk <[email protected]>
(cherry picked from commit 2656029)
Signed-off-by: Lin Yu-Cheng <[email protected]>

Author: JasonLin-RealTek

drivers/gpio/CMakeLists.txt

@@ -82,6 +82,7 @@ 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)
 zephyr_library_sources_ifdef(CONFIG_GPIO_RT1718S    gpio_rt1718s_port.c)
+zephyr_library_sources_ifdef(CONFIG_GPIO_RTS5912    gpio_rts5912.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_RV32M1     gpio_rv32m1.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_RZT2M    gpio_rzt2m.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_SAM        gpio_sam.c)

drivers/gpio/Kconfig

@@ -167,6 +167,7 @@ source "drivers/gpio/Kconfig.renesas_rz"
 source "drivers/gpio/Kconfig.rp1"
 source "drivers/gpio/Kconfig.rpi_pico"
 source "drivers/gpio/Kconfig.rt1718s"
+source "drivers/gpio/Kconfig.rts5912"
 source "drivers/gpio/Kconfig.rv32m1"
 source "drivers/gpio/Kconfig.rzt2m"
 source "drivers/gpio/Kconfig.sam"

drivers/gpio/Kconfig.rts5912

@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: Apache-2.0
+#
+# Copyright (c) 2024 Realtek Semiconductor Corporation, SIBG-SD7
+#
+
+config GPIO_RTS5912
+	bool "Realtek embedded controller (EC) gpio driver"
+	default y if DT_HAS_REALTEK_RTS5912_GPIO_ENABLED
+	help
+	  Enable support for Realtek GPIO controller.