drivers: gpio: add driver for PCA6416 IO expander

The PCA6416A is a 16-bit general purpose I/O expander that provides remote I/O expansion for most microcontroller families via the I2C-bus interface. Signed-off-by: Jiafei Pan <[email protected]>
zephyrproject-rtos · Jan 24, 2025 · dd5d94c · dd5d94c
1 parent 2e711aa
commit dd5d94c
Show file tree

Hide file tree

Showing 5 changed files with 554 additions and 0 deletions.
diff --git a/drivers/gpio/CMakeLists.txt b/drivers/gpio/CMakeLists.txt
@@ -69,6 +69,7 @@ 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_PCA6416    gpio_pca6416.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_PCA953X    gpio_pca953x.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_PCA95XX    gpio_pca95xx.c)
 zephyr_library_sources_ifdef(CONFIG_GPIO_PCAL64XXA  gpio_pcal64xxa.c)

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
@@ -155,6 +155,7 @@ 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.pca6416"
 source "drivers/gpio/Kconfig.pca953x"
 source "drivers/gpio/Kconfig.pca95xx"
 source "drivers/gpio/Kconfig.pca_series"

diff --git a/drivers/gpio/Kconfig.pca6416 b/drivers/gpio/Kconfig.pca6416
@@ -0,0 +1,22 @@
+# PCA6416 GPIO configuration options
+
+# Copyright 2024 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+menuconfig GPIO_PCA6416
+	bool "PCA6416 I2C GPIO chip"
+	default y
+	depends on DT_HAS_NXP_PCA6416_ENABLED
+	select I2C
+	help
+	  Enable driver for PCA6416 I2C GPIO chip.
+
+if GPIO_PCA6416
+
+config GPIO_PCA6416_INIT_PRIORITY
+	int "Init priority"
+	default 70
+	help
+	  PCA6416 Device driver initialization priority.
+
+endif # GPIO_PCA6416