diff mbox series

[3/7] gpiolib: of: add quirk for locating reset lines with legacy bindings

Message ID 20221011-gpiolib-quirks-v1-3-e01d9d3e7b29@gmail.com
State New
Headers show
Series gpiolib: more quirks to handle legacy names | expand

Commit Message

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

Comments

Daniel Thompson Oct. 12, 2022, 10:19 a.m. UTC | #1 
On Tue, Oct 11, 2022 at 03:19:31PM -0700, Dmitry Torokhov wrote:
> 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>

Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>


Daniel.
diff mbox series

Patch

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