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Subject: Re: [PATCH] arm64: dts: rockchip: Reorder LED triggers from mmc
 devices on rk3399-roc-pc.
To:     Markus Reichl <m.reichl@fivetechno.de>,
        linux-rockchip@lists.infradead.org,
        Rob Herring <robh+dt@kernel.org>,
        Heiko Stuebner <heiko@sntech.de>
Cc:     dianders@chromium.org, robin.murphy@arm.com, wens@kernel.org,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org
References: <20201104192933.1001-1-m.reichl@fivetechno.de>
From:   Johan Jonker <jbx6244@gmail.com>
Message-ID: <db3986ed-e572-bdd1-6f04-3bb2d04d49fa@gmail.com>
Date:   Fri, 6 Nov 2020 11:29:06 +0100
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Hi Markus,

On 11/4/20 8:29 PM, Markus Reichl wrote:
> After patch [1] SD-card becomes mmc1 and eMMC becomes mmc2.
> Correct trigger of LEDs accordingly.
> 
> [1]
> https://patchwork.kernel.org/patch/11881427
> 
> Signed-off-by: Markus Reichl <m.reichl@fivetechno.de>
> ---
>  arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
> index e7a459fa4322..20309076dbac 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
> @@ -74,14 +74,14 @@ diy_led: led-1 {
>  			label = "red:diy";
>  			gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
>  			default-state = "off";
> -			linux,default-trigger = "mmc1";

> +			linux,default-trigger = "mmc2";

remove
>  		};
>  
>  		yellow_led: led-2 {
>  			label = "yellow:yellow-led";
>  			gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_HIGH>;
>  			default-state = "off";
> -			linux,default-trigger = "mmc0";

> +			linux,default-trigger = "mmc1";

remove

>  		};
>  	};
>  
> 

The "mmc1" and "mmc2" options are custom values and invalid to the
automated dt check in the mainline kernel.

make ARCH=arm64 dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/leds/leds-gpio.yaml


  linux,default-trigger:
    description:
      This parameter, if present, is a string defining the trigger
assigned to
      the LED.
    $ref: /schemas/types.yaml#definitions/string

    enum:
        # LED will act as a back-light, controlled by the framebuffer system
      - backlight
        # LED will turn on (but for leds-gpio see "default-state"
property in
        # Documentation/devicetree/bindings/leds/leds-gpio.yaml)
      - default-on
        # LED "double" flashes at a load average based rate
      - heartbeat
        # LED indicates disk activity
      - disk-activity
        # LED indicates IDE disk activity (deprecated), in new
implementations
        # use "disk-activity"
      - ide-disk
        # LED flashes at a fixed, configurable rate
      - timer
        # LED alters the brightness for the specified duration with one
software
        # timer (requires "led-pattern" property)
      - pattern