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gpiolib: of: add a quirk for reset line for Marvell NFC controller 

The controller is using non-standard "reset-n-io" name for its reset
gpio property, whereas gpiod API expects "<name>-gpios". Add a quirk
so that gpiod API will still work on unmodified DTSes.

Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Dmitry Torokhov 2022-10-17 22:41:06 -07:00 committed by Bartosz Golaszewski
parent fbbbcd177a
commit 9c2cc7171e
1 changed files with 10 additions and 0 deletions
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10
drivers/gpio/gpiolib-of.c
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@ -390,6 +390,16 @@ static struct gpio_desc *of_find_gpio_rename(struct device_node *np,
#if IS_ENABLED(CONFIG_MFD_ARIZONA)
{ "wlf,reset", NULL, NULL },
#endif
#if IS_ENABLED(CONFIG_NFC_MRVL_I2C)
{ "reset", "reset-n-io", "marvell,nfc-i2c" },
#endif
#if IS_ENABLED(CONFIG_NFC_MRVL_SPI)
{ "reset", "reset-n-io", "marvell,nfc-spi" },
#endif
#if IS_ENABLED(CONFIG_NFC_MRVL_UART)
{ "reset", "reset-n-io", "marvell,nfc-uart" },
{ "reset", "reset-n-io", "mrvl,nfc-uart" },
#endif
#if !IS_ENABLED(CONFIG_PCI_LANTIQ)
/* MIPS Lantiq PCI */
{ "reset", "gpios-reset", "lantiq,pci-xway" },