drivers: gpio: nxp: drop soc name from siul2 driver

The SIUL2 GPIO driver is a native implementation usable across all
NXP SoCs with SIUL2 IP. Remove the "S32" prefix to allow clean
reuse by other families.

Signed-off-by: Manuel Argüelles <[email protected]>

Author: manuargue

boards/nxp/mr_canhubk3/doc/index.rst

@@ -46,7 +46,7 @@ The GPIO controller provides the option to route external input pad interrupts
 to either the SIUL2 EIRQ or WKPU interrupt controllers, as supported by the SoC.
 By default, GPIO interrupts are routed to SIUL2 EIRQ interrupt controller,
 unless they are explicitly configured to be directed to the WKPU interrupt
-controller, as outlined in :zephyr_file:`dts/bindings/gpio/nxp,s32-gpio.yaml`.
+controller, as outlined in :zephyr_file:`dts/bindings/gpio/nxp,siul2-gpio.yaml`.
 
 To find information about which GPIOs are compatible with each interrupt
 controller, refer to the device reference manual.

drivers/gpio/CMakeLists.txt

@@ -77,7 +77,7 @@ zephyr_library_sources_ifdef(CONFIG_GPIO_NPM6001    gpio_npm6001.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_NRFX       gpio_nrfx.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_NUMAKER    gpio_numaker.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_NUMICRO    gpio_numicro.c)
-zephyr_library_sources_ifdef(CONFIG_GPIO_NXP_S32    gpio_nxp_s32.c)
+zephyr_library_sources_ifdef(CONFIG_GPIO_NXP_SIUL2  gpio_nxp_siul2.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_PCA6416    gpio_pca6416.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_PCA953X    gpio_pca953x.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_PCA95XX    gpio_pca95xx.c)

drivers/gpio/Kconfig

@@ -161,7 +161,7 @@ source "drivers/gpio/Kconfig.npm6001"
 source "drivers/gpio/Kconfig.nrfx"
 source "drivers/gpio/Kconfig.numaker"
 source "drivers/gpio/Kconfig.numicro"
-source "drivers/gpio/Kconfig.nxp_s32"
+source "drivers/gpio/Kconfig.nxp_siul2"
 source "drivers/gpio/Kconfig.pca6416"
 source "drivers/gpio/Kconfig.pca953x"
 source "drivers/gpio/Kconfig.pca95xx"

drivers/gpio/Kconfig.nxp_s32

@@ -0,0 +1,10 @@
+# Copyright 2022, 2025 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+config GPIO_NXP_SIUL2
+	bool "NXP SIUL2 GPIO driver"
+	default y
+	depends on DT_HAS_NXP_SIUL2_GPIO_ENABLED
+	select NOCACHE_MEMORY if ARCH_HAS_NOCACHE_MEMORY_SUPPORT
+	help
+	  Enable the GPIO driver for NXP SIUL2.