Commit 6b0d685d authored by Xing Tong Wu's avatar Xing Tong Wu Committed by Lee Jones
Browse files

leds: simatic-ipc-leds-gpio: Add support for module BX-59A 



This is used for the Siemens Simatic IPC BX-59A, which has its LEDs
connected to GPIOs provided by the Nuvoton NCT6126D.

Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: default avatarXing Tong Wu <xingtong.wu@siemens.com>
Link: https://lore.kernel.org/r/20240314070506.2384-1-xingtong_wu@163.com


Signed-off-by: default avatarLee Jones <lee@kernel.org>
parent 016cfc41

drivers/leds/simple/simatic-ipc-leds-gpio-core.c

+1 −0
Original line number Diff line number Diff line
@@ -56,6 +56,7 @@ int simatic_ipc_leds_gpio_probe(struct platform_device *pdev, 
	case SIMATIC_IPC_DEVICE_127E:

	case SIMATIC_IPC_DEVICE_227G:

	case SIMATIC_IPC_DEVICE_BX_21A:

	case SIMATIC_IPC_DEVICE_BX_59A:

		break;

	default:

		return -ENODEV;

drivers/leds/simple/simatic-ipc-leds-gpio-f7188x.c

+46 −6
Original line number Diff line number Diff line
@@ -17,7 +17,12 @@ 


#include "simatic-ipc-leds-gpio.h"



static struct gpiod_lookup_table simatic_ipc_led_gpio_table = {

struct simatic_ipc_led_tables {

	struct gpiod_lookup_table *led_lookup_table;

	struct gpiod_lookup_table *led_lookup_table_extra;

};



static struct gpiod_lookup_table simatic_ipc_led_gpio_table_227g = {

	.dev_id = "leds-gpio",

	.table = {

		GPIO_LOOKUP_IDX("gpio-f7188x-2", 0, NULL, 0, GPIO_ACTIVE_LOW),
@@ -30,7 +35,7 @@ static struct gpiod_lookup_table simatic_ipc_led_gpio_table = { 
	},

};



static struct gpiod_lookup_table simatic_ipc_led_gpio_table_extra = {

static struct gpiod_lookup_table simatic_ipc_led_gpio_table_extra_227g = {

	.dev_id = NULL, /* Filled during initialization */

	.table = {

		GPIO_LOOKUP_IDX("gpio-f7188x-3", 6, NULL, 6, GPIO_ACTIVE_HIGH),
@@ -39,16 +44,51 @@ static struct gpiod_lookup_table simatic_ipc_led_gpio_table_extra = { 
	},

};



static struct gpiod_lookup_table simatic_ipc_led_gpio_table_bx_59a = {

	.dev_id = "leds-gpio",

	.table = {

		GPIO_LOOKUP_IDX("gpio-f7188x-2", 0, NULL, 0, GPIO_ACTIVE_LOW),

		GPIO_LOOKUP_IDX("gpio-f7188x-2", 3, NULL, 1, GPIO_ACTIVE_LOW),

		GPIO_LOOKUP_IDX("gpio-f7188x-5", 3, NULL, 2, GPIO_ACTIVE_LOW),

		GPIO_LOOKUP_IDX("gpio-f7188x-5", 2, NULL, 3, GPIO_ACTIVE_LOW),

		GPIO_LOOKUP_IDX("gpio-f7188x-7", 7, NULL, 4, GPIO_ACTIVE_LOW),

		GPIO_LOOKUP_IDX("gpio-f7188x-7", 4, NULL, 5, GPIO_ACTIVE_LOW),

		{} /* Terminating entry */

	}

};



static int simatic_ipc_leds_gpio_f7188x_probe(struct platform_device *pdev)

{

	return simatic_ipc_leds_gpio_probe(pdev, &simatic_ipc_led_gpio_table,

					   &simatic_ipc_led_gpio_table_extra);

	const struct simatic_ipc_platform *plat = dev_get_platdata(&pdev->dev);

	struct simatic_ipc_led_tables *led_tables;



	led_tables = devm_kzalloc(&pdev->dev, sizeof(*led_tables), GFP_KERNEL);

	if (!led_tables)

		return -ENOMEM;



	switch (plat->devmode) {

	case SIMATIC_IPC_DEVICE_227G:

		led_tables->led_lookup_table = &simatic_ipc_led_gpio_table_227g;

		led_tables->led_lookup_table_extra = &simatic_ipc_led_gpio_table_extra_227g;

		break;

	case SIMATIC_IPC_DEVICE_BX_59A:

		led_tables->led_lookup_table = &simatic_ipc_led_gpio_table_bx_59a;

		break;

	default:

		return -ENODEV;

	}



	platform_set_drvdata(pdev, led_tables);

	return simatic_ipc_leds_gpio_probe(pdev, led_tables->led_lookup_table,

					   led_tables->led_lookup_table_extra);

}



static void simatic_ipc_leds_gpio_f7188x_remove(struct platform_device *pdev)

{

	simatic_ipc_leds_gpio_remove(pdev, &simatic_ipc_led_gpio_table,

				     &simatic_ipc_led_gpio_table_extra);

	struct simatic_ipc_led_tables *led_tables = platform_get_drvdata(pdev);



	simatic_ipc_leds_gpio_remove(pdev, led_tables->led_lookup_table,

				     led_tables->led_lookup_table_extra);

}



static struct platform_driver simatic_ipc_led_gpio_driver = {