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

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

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Xing Tong Wu <xingtong.wu@siemens.com>
Link: https://lore.kernel.org/r/20240314070506.2384-1-xingtong_wu@163.com
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Xing Tong Wu 2024-03-14 15:05:06 +08:00 committed by Lee Jones
parent 016cfc41fc
commit 6b0d685d75
2 changed files with 47 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/leds/simple/simatic-ipc-leds-gpio-core.c
View File

@ -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;

52
drivers/leds/simple/simatic-ipc-leds-gpio-f7188x.c
View File

@ -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 = {