From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felipe Balbi Subject: [PATCH 4/4] extcon: gpio: Add support for using cable names Date: Mon, 3 Nov 2014 10:32:30 -0600 Message-ID: <1415032350-8459-5-git-send-email-balbi@ti.com> References: <1415032350-8459-1-git-send-email-balbi@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from arroyo.ext.ti.com ([192.94.94.40]:43451 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752279AbaKCQdG (ORCPT ); Mon, 3 Nov 2014 11:33:06 -0500 In-Reply-To: <1415032350-8459-1-git-send-email-balbi@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: myungjoo.ham@samsung.com, cw00.choi@samsung.com Cc: Linux Kernel Mailing List , Linux OMAP Mailing List , nsekhar@ti.com, grant.likely@linaro.org, George Cherian From: George Cherian Add support for using cable names. Enables other drivers to register interest and get notified using extcon provided notifier call backs. Signed-off-by: George Cherian Signed-off-by: Sekhar Nori --- Documentation/devicetree/bindings/extcon/extcon-gpio.txt | 2 ++ drivers/extcon/extcon-gpio.c | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/extcon/extcon-gpio.txt b/Documentation/devicetree/bindings/extcon/extcon-gpio.txt index 5fe6846..f19aeb4 100644 --- a/Documentation/devicetree/bindings/extcon/extcon-gpio.txt +++ b/Documentation/devicetree/bindings/extcon/extcon-gpio.txt @@ -7,6 +7,7 @@ Required Properties: - compatible: should be: * "linux,extcon-gpio" - gpios: specifies the gpio pin used. + - cable-name: Name of the cable used. Optional Properties: - debounce: Debounce time for GPIO IRQ in ms @@ -18,4 +19,5 @@ Eg: compatible = "linux,extcon-gpio"; gpios = <&gpio3 12 GPIO_ACTIVE_HIGH>; debounce = <20>; + cable-name = "USB-HOST"; }; diff --git a/drivers/extcon/extcon-gpio.c b/drivers/extcon/extcon-gpio.c index 7191d28..cbe35af 100644 --- a/drivers/extcon/extcon-gpio.c +++ b/drivers/extcon/extcon-gpio.c @@ -42,6 +42,7 @@ struct gpio_extcon_data { struct delayed_work work; unsigned long debounce_jiffies; bool check_on_resume; + const char *cable_name[1]; }; static void gpio_extcon_work(struct work_struct *work) @@ -112,6 +113,9 @@ static int gpio_extcon_probe(struct platform_device *pdev) of_property_read_u32(np, "debounce", &debounce); irq = gpiod_to_irq(extcon_data->gpiod); irq_flags = irq_get_trigger_type(irq); + of_property_read_string_index(np, "cable-name", 0, + extcon_data->cable_name); + extcon_data->edev->supported_cable = extcon_data->cable_name; } else { if (!pdata) return -EBUSY; -- 2.1.0.GIT