* AnilKumar Ch <anilkumar@xxxxxx> [120828 01:11]:
> Adds GPIO pinctrl nodes to am3358_pinmux master node to control
> user leds (USR0, USR1, USR2 and USR3) present on BeagleBone.
>
> Signed-off-by: AnilKumar Ch <anilkumar@xxxxxx>
> ---
> arch/arm/boot/dts/am335x-bone.dts | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts
> index a7906cb..58f5042 100644
> --- a/arch/arm/boot/dts/am335x-bone.dts
> +++ b/arch/arm/boot/dts/am335x-bone.dts
> @@ -18,6 +18,20 @@
> reg = <0x80000000 0x10000000>; /* 256 MB */
> };
>
> + am3358_pinmux: pinmux@44E10800 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&userled_pins>;
> +
> + userled_pins: pinmux_userled_pins {
> + pinctrl-single,pins = <
> + 0x54 0x7 /* gpmc_a5.gpio1_21, OUTPUT | MODE7 */
> + 0x58 0x17 /* gpmc_a6.gpio1_22, OUTPUT_PULLUP | MODE7 */
> + 0x5C 0x7 /* gpmc_a7.gpio1_23, OUTPUT | MODE7 */
> + 0x60 0x17 /* gpmc_a8.gpio1_24, OUTPUT_PULLUP | MODE7 */
> + >;
> + };
> + };
> +
Looks like this patch should also claim these pins by the led driver.
Then the led driver should just do pinctrl_get_select_default(&pdev->dev)
in it's probe function to set the pins.
Tony
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