On 08:21-20130517, Dan Murphy wrote:
[...]
May be others with better DT experience can help here..
but here is a trick to reduce dts file changes:
> diff --git a/arch/arm/boot/dts/omap4-panda-es.dts b/arch/arm/boot/dts/omap4-panda-es.dts
> index f1d8c21..08d2e38 100644
> --- a/arch/arm/boot/dts/omap4-panda-es.dts
> +++ b/arch/arm/boot/dts/omap4-panda-es.dts
> @@ -34,3 +34,37 @@
> 0x5e 0x100 /* hdmi_sda.hdmi_sda INPUT | MODE 0 */
> >;
> };
> +
> +&omap4_pmx_core {
> + led_gpio_pins: gpio_led_pmx {
> + pinctrl-single,pins = <
> + 0xb6 0x3 /* gpio_110 OUTPUT | MODE 3 */
> + >;
> + };
> +};
> +
> +&led_wkgpio_pins {
> + pinctrl-single,pins = <
> + 0x1c 0x3 /* gpio_wk8 OUTPUT | MODE 3 */
> + >;
> +};
> +
> +&leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
Normally, override will either add (if new param) OR replace (if same param)
So the above two are superfluous.
> + pinctrl-0 = <
> + &led_gpio_pins
> + &led_wkgpio_pins
> + >;
These are needed
> +
> + heartbeat {
> + label = "pandaboard::status1";
can drop this
> + gpios = <&gpio4 14 0>;
needed
> + linux,default-trigger = "heartbeat";
can be dropped
> + };
> + mmc {
> + label = "pandaboard::status2";
could be dropped
> + gpios = <&gpio1 8 0>;
needed
> + linux,default-trigger = "mmc0";
could be dropped.
--
Regards,
Nishanth Menon
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