diff mbox series

[4/7] gpiolib: of: add a quirk for reset line for Marvell NFC controller

Message ID 20221011-gpiolib-quirks-v1-4-e01d9d3e7b29@gmail.com
State Superseded
Headers show
Series gpiolib: more quirks to handle legacy names | expand

Commit Message

Dmitry Torokhov Oct. 11, 2022, 10:19 p.m. UTC 
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.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
 drivers/gpio/gpiolib-of.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 576f2f0c3432..7d4193fe36e5 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -383,6 +383,16 @@  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" },
+#endif
 #if !IS_ENABLED(CONFIG_PCI_LANTIQ)
 		/* MIPS Lantiq PCI */
 		{ "reset",	"gpios-reset",	"lantiq,pci-xway" },