linux-kernel - [PATCH v1 2/3] extcon: int3496: Rename GPIO pins in accordance with binding

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Date:   Thu, 23 Feb 2017 12:31:55 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     MyungJoo Ham <myungjoo.ham@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        devicetree@...r.kernel.org, David Cohen <david.a.cohen@...el.com>,
        Felipe Balbi <balbi@...nel.org>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 2/3] extcon: int3496: Rename GPIO pins in accordance with binding

First of all, add an optional binding for external muxer which might be
used.

Second, update GPIO pin names in extcon-intel-int3496.c driver to follow
the existing binding.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt | 3 +++
 drivers/extcon/extcon-intel-int3496.c                        | 4 ++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt b/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt
index dfc14f71e81f..9d97472ae51d 100644
--- a/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt
+++ b/Documentation/devicetree/bindings/extcon/extcon-usb-gpio.txt
@@ -10,6 +10,9 @@ Either one of id-gpio or vbus-gpio must be present. Both can be present as well.
 - id-gpio: gpio for USB ID pin. See gpio binding.
 - vbus-gpio: gpio for USB VBUS pin.
 
+Optional properties:
+- mux-gpios: gpio for USB external muxer
+
 Example: Examples of extcon-usb-gpio node in dra7-evm.dts as listed below:
 	extcon_usb1 {
 		compatible = "linux,extcon-usb-gpio";
diff --git a/drivers/extcon/extcon-intel-int3496.c b/drivers/extcon/extcon-intel-int3496.c
index 38eb6cab938f..81713bf7487e 100644
--- a/drivers/extcon/extcon-intel-int3496.c
+++ b/drivers/extcon/extcon-intel-int3496.c
@@ -105,13 +105,13 @@ static int int3496_probe(struct platform_device *pdev)
 		return data->usb_id_irq;
 	}
 
-	data->gpio_vbus_en = devm_gpiod_get_index(dev, "vbus en",
+	data->gpio_vbus_en = devm_gpiod_get_index(dev, "vbus",
 						 INT3496_GPIO_VBUS_EN,
 						 GPIOD_ASIS);
 	if (IS_ERR(data->gpio_vbus_en))
 		dev_info(dev, "can't request VBUS EN GPIO\n");
 
-	data->gpio_usb_mux = devm_gpiod_get_index(dev, "usb mux",
+	data->gpio_usb_mux = devm_gpiod_get_index(dev, "mux",
 						 INT3496_GPIO_USB_MUX,
 						 GPIOD_ASIS);
 	if (IS_ERR(data->gpio_usb_mux))
-- 
2.11.0