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MIPS: TXX9: Use GPIO lookup table for iocled LEDs

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Convert iocled LED description from legacy GPIO numbers to GPIO
descriptors using a GPIO lookup table.

For now, just ignore the "lowactive" parameter, and force
GPIO_ACTIVE_LOW, as that is what the sole caller wants.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@oss.qualcomm.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Geert Uytterhoeven 2026-07-01 12:11:41 +02:00 committed by Thomas Bogendoerfer
parent efa0ec75a0
commit a84d39adcf
1 changed files with 12 additions and 2 deletions
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14
arch/mips/txx9/generic/setup.c
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@ -19,6 +19,7 @@
#include <linux/clkdev.h>
#include <linux/err.h>
#include <linux/gpio/driver.h>
#include <linux/gpio/machine.h>
#include <linux/platform_device.h>
#include <linux/platform_data/txx9/ndfmc.h>
#include <linux/serial_core.h>
@ -615,6 +616,15 @@ static int txx9_iocled_dir_out(struct gpio_chip *chip, unsigned int offset,
return 0;
}
static struct gpiod_lookup_table txx9_iocled_table = {
.table = {
GPIO_LOOKUP_IDX("iocled", 0, NULL, 0, GPIO_ACTIVE_LOW),
GPIO_LOOKUP_IDX("iocled", 1, NULL, 1, GPIO_ACTIVE_LOW),
GPIO_LOOKUP_IDX("iocled", 2, NULL, 2, GPIO_ACTIVE_LOW),
{ },
},
};
void __init txx9_iocled_init(unsigned long baseaddr,
int basenum, unsigned int num, int lowactive,
const char *color, char **deftriggers)
@ -659,14 +669,14 @@ void __init txx9_iocled_init(unsigned long baseaddr,
snprintf(iocled->names[i], sizeof(iocled->names[i]),
"iocled:%s:%u", color, i);
led->name = iocled->names[i];
led->gpio = basenum + i;
led->active_low = lowactive;
if (deftriggers && *deftriggers)
led->default_trigger = *deftriggers++;
}
pdev->dev.platform_data = &iocled->pdata;
if (platform_device_add(pdev))
goto out_pdev;
txx9_iocled_table.dev_id = dev_name(&pdev->dev);
gpiod_add_lookup_table(&txx9_iocled_table);
return;
out_pdev: