On Tue, Mar 04, 2014 at 03:34:45PM +0100, Vincent Stehlé wrote:
> Use the red gpio led for heartbeat.
Some people think it's annoying to have a LED blinking all the time.
Since it's a user defined LED, let's leave it to users for their
particular use case.
Shawn
>
> Signed-off-by: Vincent Stehlé <vincent.stehle@xxxxxxxxxxxxx>
> Cc: Shawn Guo <shawn.guo@xxxxxxxxxx>
> Cc: Sascha Hauer <kernel@xxxxxxxxxxxxxx>
> ---
>
> Hi,
>
> This has been tested on Sabre SD i.MX6 Quad board, with linux v3.14-rc5+ and
> imx_v6_v7_defconfig.
>
> As a side note, checkpatch.pl complains about gpio-leds being undocumented, but
> I am not sure what to do about that.
>
> Best regards,
>
> V.
>
> arch/arm/boot/dts/imx6qdl-sabresd.dtsi | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
> index e75e11b..cf4d736 100644
> --- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
> @@ -88,6 +88,16 @@
> default-brightness-level = <7>;
> status = "okay";
> };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + heartbeat-led {
> + label = "Heartbeat";
> + gpios = <&gpio1 2 0>;
> + linux,default-trigger = "heartbeat";
> + };
> + };
> };
>
> &audmux {
> @@ -182,6 +192,7 @@
> MX6QDL_PAD_ENET_TXD1__GPIO1_IO29 0x80000000
> MX6QDL_PAD_EIM_D22__GPIO3_IO22 0x80000000
> MX6QDL_PAD_ENET_CRS_DV__GPIO1_IO25 0x80000000
> + MX6QDL_PAD_GPIO_2__GPIO1_IO02 0x80000000
> >;
> };
> };
> --
> 1.9.0
>
>
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