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leds: simatic-ipc-leds-gpio: Move two extra gpio pins into another table

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There are two special pins needed to init the LEDs. We used to have them
at the end of the gpiod_lookup table to give to "leds-gpio". A cleaner
way is to have a dedicated table for the special pins.

Signed-off-by: Henning Schild <henning.schild@siemens.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230524124628.32295-3-henning.schild@siemens.com
This commit is contained in:
Henning Schild 2023-05-24 14:46:26 +02:00 committed by Lee Jones
parent 8aee49eb93
commit 799c0197aa
1 changed files with 25 additions and 3 deletions
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28
drivers/leds/simple/simatic-ipc-leds-gpio.c
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@ -16,6 +16,7 @@
#include <linux/platform_data/x86/simatic-ipc-base.h>
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_127e = {
.dev_id = "leds-gpio",
@ -26,6 +27,13 @@ static struct gpiod_lookup_table simatic_ipc_led_gpio_table_127e = {
GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 58, NULL, 3, GPIO_ACTIVE_LOW),
GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 60, NULL, 4, GPIO_ACTIVE_LOW),
GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 51, NULL, 5, GPIO_ACTIVE_LOW),
{} /* Terminating entry */
},
};
static struct gpiod_lookup_table simatic_ipc_led_gpio_table_127e_extra = {
.dev_id = NULL, /* Filled during initialization */
.table = {
GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 56, NULL, 6, GPIO_ACTIVE_LOW),
GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 59, NULL, 7, GPIO_ACTIVE_HIGH),
{} /* Terminating entry */
@ -41,10 +49,17 @@ static struct gpiod_lookup_table simatic_ipc_led_gpio_table_227g = {
GPIO_LOOKUP_IDX("gpio-f7188x-2", 3, NULL, 3, GPIO_ACTIVE_LOW),
GPIO_LOOKUP_IDX("gpio-f7188x-2", 4, NULL, 4, GPIO_ACTIVE_LOW),
GPIO_LOOKUP_IDX("gpio-f7188x-2", 5, NULL, 5, GPIO_ACTIVE_LOW),
{} /* Terminating entry */
},
};
static struct gpiod_lookup_table simatic_ipc_led_gpio_table_227g_extra = {
.dev_id = NULL, /* Filled during initialization */
.table = {
GPIO_LOOKUP_IDX("gpio-f7188x-3", 6, NULL, 6, GPIO_ACTIVE_HIGH),
GPIO_LOOKUP_IDX("gpio-f7188x-3", 7, NULL, 7, GPIO_ACTIVE_HIGH),
{} /* Terminating entry */
}
},
};
static const struct gpio_led simatic_ipc_gpio_leds[] = {
@ -66,6 +81,7 @@ static struct platform_device *simatic_leds_pdev;
static int simatic_ipc_leds_gpio_remove(struct platform_device *pdev)
{
gpiod_remove_lookup_table(simatic_ipc_led_gpio_table);
gpiod_remove_lookup_table(simatic_ipc_led_gpio_table_extra);
platform_device_unregister(simatic_leds_pdev);
return 0;
@ -74,6 +90,7 @@ static int simatic_ipc_leds_gpio_remove(struct platform_device *pdev)
static int simatic_ipc_leds_gpio_probe(struct platform_device *pdev)
{
const struct simatic_ipc_platform *plat = pdev->dev.platform_data;
struct device *dev = &pdev->dev;
struct gpio_desc *gpiod;
int err;
@ -82,12 +99,14 @@ static int simatic_ipc_leds_gpio_probe(struct platform_device *pdev)
if (!IS_ENABLED(CONFIG_PINCTRL_BROXTON))
return -ENODEV;
simatic_ipc_led_gpio_table = &simatic_ipc_led_gpio_table_127e;
simatic_ipc_led_gpio_table_extra = &simatic_ipc_led_gpio_table_127e_extra;
break;
case SIMATIC_IPC_DEVICE_227G:
if (!IS_ENABLED(CONFIG_GPIO_F7188X))
return -ENODEV;
request_module("gpio-f7188x");
simatic_ipc_led_gpio_table = &simatic_ipc_led_gpio_table_227g;
simatic_ipc_led_gpio_table_extra = &simatic_ipc_led_gpio_table_227g_extra;
break;
default:
return -ENODEV;
@ -103,8 +122,11 @@ static int simatic_ipc_leds_gpio_probe(struct platform_device *pdev)
goto out;
}
simatic_ipc_led_gpio_table_extra->dev_id = dev_name(dev);
gpiod_add_lookup_table(simatic_ipc_led_gpio_table_extra);
/* PM_BIOS_BOOT_N */
gpiod = gpiod_get_index(&simatic_leds_pdev->dev, NULL, 6, GPIOD_OUT_LOW);
gpiod = gpiod_get_index(dev, NULL, 6, GPIOD_OUT_LOW);
if (IS_ERR(gpiod)) {
err = PTR_ERR(gpiod);
goto out;
@ -112,7 +134,7 @@ static int simatic_ipc_leds_gpio_probe(struct platform_device *pdev)
gpiod_put(gpiod);
/* PM_WDT_OUT */
gpiod = gpiod_get_index(&simatic_leds_pdev->dev, NULL, 7, GPIOD_OUT_LOW);
gpiod = gpiod_get_index(dev, NULL, 7, GPIOD_OUT_LOW);
if (IS_ERR(gpiod)) {
err = PTR_ERR(gpiod);
goto out;