linux-kernel - [PATCH v3 06/10] gpiolib: of: add a quirk for reset line for Cirrus CS42L56 codec

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Message-Id: <20221011-gpiolib-quirks-v3-6-eae9cc2ed0a1@gmail.com>
Date:   Mon, 17 Oct 2022 22:41:07 -0700
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Bartosz Golaszewski <brgl@...ev.pl>,
        Linus Walleij <linus.walleij@...aro.org>
Cc:     Alexander Stein <alexander.stein@...tq-group.com>,
        linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org
Subject: [PATCH v3 06/10] gpiolib: of: add a quirk for reset line for Cirrus CS42L56 codec

The controller is using non-standard "cirrus,gpio-nreset" 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@...aro.org>
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
---
 drivers/gpio/gpiolib-of.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index a9cedc39a245..ffdbac2eeaa6 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -418,6 +418,9 @@ static struct gpio_desc *of_find_gpio_rename(struct device_node *np,
 		{ "wlf,ldo2ena", NULL,		NULL }, /* WM8994 */
 #endif
 
+#if IS_ENABLED(CONFIG_SND_SOC_CS42L56)
+		{ "reset",	"cirrus,gpio-nreset",	"cirrus,cs42l56" },
+#endif
 #if IS_ENABLED(CONFIG_SND_SOC_TLV320AIC3X)
 		{ "reset",	"gpio-reset",	"ti,tlv320aic3x" },
 		{ "reset",	"gpio-reset",	"ti,tlv320aic33" },

-- 
b4 0.11.0-dev-5166b