From mboxrd@z Thu Jan 1 00:00:00 1970 From: George Cherian Subject: [PATCH 5/5] extcon: gpio: Add support for using cable names Date: Tue, 9 Sep 2014 09:44:38 +0530 Message-ID: <1410236078-11713-6-git-send-email-george.cherian@ti.com> References: <1410236078-11713-1-git-send-email-george.cherian@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1410236078-11713-1-git-send-email-george.cherian-l0cyMroinI0@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: cw00.choi-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, myungjoo.ham-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, rongjun.ying-kQvG35nSl+M@public.gmane.org, linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, George Cherian List-Id: devicetree@vger.kernel.org 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 --- 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 30aa2e1..2c9d29f 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 3839749..c0ab8e7 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) @@ -111,6 +112,9 @@ 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; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html