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Subject[PATCH 3/7] gpiolib: of: add quirk for locating reset lines with legacy bindings
Date
Some legacy mappings used "gpio[s]-reset" instead of "reset-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 | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 619aae0c5476..576f2f0c3432 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -375,9 +375,18 @@ static struct gpio_desc *of_find_gpio_rename(struct device_node *np,
const char *legacy_id; /* NULL - same as con_id */
const char *compatible; /* NULL - don't check */
} gpios[] = {
+#if !IS_ENABLED(CONFIG_LCD_HX8357)
+ /* Himax LCD controllers used "gpios-reset" */
+ { "reset", "gpios-reset", "himax,hx8357" },
+ { "reset", "gpios-reset", "himax,hx8369" },
+#endif
#if IS_ENABLED(CONFIG_MFD_ARIZONA)
{ "wlf,reset", NULL, NULL },
#endif
+#if !IS_ENABLED(CONFIG_PCI_LANTIQ)
+ /* MIPS Lantiq PCI */
+ { "reset", "gpios-reset", "lantiq,pci-xway" },
+#endif
#if IS_ENABLED(CONFIG_REGULATOR)
/*
* Some regulator bindings happened before we managed to
@@ -388,8 +397,14 @@ static struct gpio_desc *of_find_gpio_rename(struct device_node *np,
{ "wlf,ldo1ena", NULL, NULL }, /* WM8994 */
{ "wlf,ldo2ena", NULL, NULL }, /* WM8994 */
#endif
+#if IS_ENABLED(CONFIG_SND_SOC_TLV320AIC3X)
+ { "reset", "gpio-reset", "ti,tlv320aic3x" },
+ { "reset", "gpio-reset", "ti,tlv320aic33" },
+ { "reset", "gpio-reset", "ti,tlv320aic3007" },
+ { "reset", "gpio-reset", "ti,tlv320aic3104" },
+ { "reset", "gpio-reset", "ti,tlv320aic3106" },
+#endif
#if IS_ENABLED(CONFIG_SPI_MASTER)
-
/*
* The SPI GPIO bindings happened before we managed to
* establish that GPIO properties should be named
--
b4 0.11.0-dev-5166b

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