imx6sl evk debug led

eugenephua — Mon, 16 Mar 2015 03:47:57 GMT

Hi there, i am trying to control the debug led on the imx6sl-evk board. I have read posts on it and they have included the debug led support in the linux kernel at linux/imx6sl-evk.dts at master · torvalds/linux · GitHub. However, for the linux kernel at Freescale: linux-2.6-imx.git - Freescale i.MX Linux Tree, the debug led support is not present.

I have tried adding the following in the imx6sl-evk.dts:

leds {

pinctrl-names = "default";

pinctrl-0 = <&pinctrl_led>;

compatible = "gpio-leds";

user {

label = "Heartbeat";

gpios = <&gpio3 20 0>;

linux,default-trigger = "heartbeat";

};

and in imx6sl.dtsi under iomux:

leds {

pinctrl_led: ledgrp {

fsl,pins = <

MX6SL_PAD_HSIC_STROBE__GPIO3_IO20 0x17059

};

But however, i am unable to generate the dtb file. The error is syntax error in the imx6sl-evk.dts file where the "leds" is at. Any advise on this? Thanks!

Re: imx6sl evk debug led

alejandrolozan1 — Tue, 24 Mar 2015 14:56:41 GMT

I think you can use as reference the below example found in our BSP

leds {

compatible = "gpio-leds";

debug-led {

label = "Heartbeat";

gpios = <&gpio3 25 0>;

linux,default-trigger = "heartbeat";

};

/Alejandro

Re: imx6sl evk debug led

alejandrolozan1 — Thu, 07 May 2015 19:55:59 GMT

Hi,

Was the last answer helpful?

Best Regards,

Alejandro

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