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>

diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 2b5d1b3095c7b99bc5f3710a9cd4b4b1c5a1807e..a9cedc39a2459de3b13d24295b8df5dfb2c4ce95 100644 (file)
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -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" },