linux-kernel - Re: [PATCH 2/2] ARM: dts: orange-pi-zero-plus2: add leds configuration

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Message-ID: <20200615081431.sbqezly4jcryvxk6@gilmour.lan>
Date:   Mon, 15 Jun 2020 10:14:31 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Diego Rondini <diego.rondini@...etics.com>
Cc:     Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH 2/2] ARM: dts: orange-pi-zero-plus2: add leds
 configuration

On Thu, May 28, 2020 at 10:47:12PM +0200, Diego Rondini wrote:
> Add pwr and status leds configuration and turn on pwr led by default for Orange
> Pi Zero Plus 2 (both H3 and H5 variants).
> 
> Signed-off-by: Diego Rondini <diego.rondini@...etics.com>
> ---
>  .../boot/dts/sun8i-h3-orangepi-zero-plus2.dts    | 16 ++++++++++++++++
>  .../allwinner/sun50i-h5-orangepi-zero-plus2.dts  | 16 ++++++++++++++++
>  2 files changed, 32 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-zero-plus2.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-zero-plus2.dts
> index 4376767699a47..4cd0ac706bd2c 100644
> --- a/arch/arm/boot/dts/sun8i-h3-orangepi-zero-plus2.dts
> +++ b/arch/arm/boot/dts/sun8i-h3-orangepi-zero-plus2.dts
> @@ -82,6 +82,22 @@ wifi_pwrseq: wifi_pwrseq {
>  		reset-gpios = <&pio 0 9 GPIO_ACTIVE_LOW>; /* PA9 */
>  		post-power-on-delay-ms = <200>;
>  	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +
> +		pwr_led {
> +			label = "orangepi:green:pwr";
> +			gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>;
> +			default-state = "on";
> +		};
> +
> +		status_led {

Having an underscore in the node name will trigger a DTC warning. What
about using pwr and status as nodenames?

> +			label = "orangepi:red:status";
> +			gpios = <&pio 0 17 GPIO_ACTIVE_HIGH>;
> +		};
> +

There's an extra line here that you should remove

Maxime

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