On Mon, Nov 03, 2014 at 10:32:30AM -0600, Felipe Balbi wrote:
> From: George Cherian <george.cherian@xxxxxx>
>
> 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 <george.cherian@xxxxxx>
> Signed-off-by: Sekhar Nori <nsekhar@xxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
> ---
> 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
>
> --
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--
balbi
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