On Thu, Sep 01, 2016 at 01:48:54PM +1000, james@xxxxxxxxxxxxxx wrote:
> +#include <dt-bindings/input/input.h>
You don't seem to use anything from that header file.
> +#include <dt-bindings/pinctrl/sun4i-a10.h>
> +
> +/ {
> + model = "FriendlyARM NanoPi NEO";
> + compatible = "friendlyarm,nanopi-neo", "allwinner,sun8i-h3";
It is good practice to add new vendor prefixes to the list in
Documentation/devicetree/bindings/vendor-prefixes.txt (sorted alphabetially
by vendor prefix).
> + leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&leds_opc>, <&leds_r_opc>;
> +
> + pwr_led {
> + label = "nanopi:green:pwr";
> + gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>;
> + default-state = "on";
> + };
> +
> + status_led {
> + label = "nanopi:blue:status";
> + gpios = <&pio 0 10 GPIO_ACTIVE_HIGH>;
> + };
> + };
Node names should not have underscores in them. [1][2]
IMHO the _led suffix is unnecessary inside leds { }.
I think you should add a comment with the name of the GPIO pin like you
did with &mmc0/cd-gpios.
> +&pio {
> + leds_opc: led_pins@0 {
> + allwinner,pins = "PA10";
> + allwinner,function = "gpio_out";
> + allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> + };
> +};
Use hyphens instead of underscores in node names. Also, unit addresses and
reg properties go together. Either you have both or you have neither. So
drop the @0 part of the node name. You'll get warnings about this sort of
mismatch when your device tree is compiled as part of Das U-Boot.
> +&r_pio {
> + leds_r_opc: led_pins@0 {
Likewise.
[1] https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1122967.html
[2] https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1145633.html
--
Rask Ingemann Lambertsen
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