linux-kernel - Re: [RESEND PATCH 2/2] arm64: dts: rockchip: Enable edp disaplay on kevin

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Message-ID: <3037285.0MAZvLKA4I@phil>
Date:   Fri, 13 Oct 2017 15:25:24 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     Jeffy Chen <jeffy.chen@...k-chips.com>,
        Sean Paul <seanpaul@...omium.org>
Cc:     linux-kernel@...r.kernel.org, briannorris@...omium.org,
        broonie@...nel.org, dianders@...omium.org,
        Matthias Kaehlcke <mka@...omium.org>,
        Arnd Bergmann <arnd@...db.de>, devicetree@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Will Deacon <will.deacon@....com>,
        Mark Rutland <mark.rutland@....com>,
        Caesar Wang <wxt@...k-chips.com>,
        Catalin Marinas <catalin.marinas@....com>
Subject: Re: [RESEND PATCH 2/2] arm64: dts: rockchip: Enable edp disaplay on kevin

Hi Jeffy,

Am Freitag, 13. Oktober 2017, 18:41:38 CEST schrieb Jeffy Chen:
> Add edp panel and enable related nodes on kevin.
> 
> Signed-off-by: Jeffy Chen <jeffy.chen@...k-chips.com>

does this actually work with mainline kernel sources?

Sean Paul did look at making the edp work on Chromebooks recently,
but it seemed there were still parts missing to make it actually display
something.


Heiko

> ---
> 
>  arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts | 29 +++++++++++++++++++++++
>  arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi      | 16 +++++++++++++
>  2 files changed, 45 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts b/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts
> index a3d3cea7dc4f..bc67b19f0af5 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts
> @@ -93,6 +93,18 @@
>  		pwm-delay-us = <10000>;
>  	};
>  
> +	edp_panel: edp-panel {
> +		compatible = "sharp,lq123p1jx31", "simple-panel";
> +		backlight = <&backlight>;
> +		power-supply = <&pp3300_disp>;
> +
> +		ports {
> +			panel_in_edp: endpoint {
> +				remote-endpoint = <&edp_out_panel>;
> +			};
> +		};
> +	};
> +
>  	thermistor_ppvar_bigcpu: thermistor-ppvar-bigcpu {
>  		compatible = "murata,ncp15wb473";
>  		pullup-uv = <1800000>;
> @@ -264,6 +276,23 @@ ap_i2c_dig: &i2c2 {
>  	};
>  };
>  
> +&edp {
> +	status = "okay";
> +
> +	ports {
> +		edp_out: port@1 {
> +			reg = <1>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			edp_out_panel: endpoint@0 {
> +				reg = <0>;
> +				remote-endpoint = <&panel_in_edp>;
> +			};
> +		};
> +	};
> +};
> +
>  &ppvar_bigcpu_pwm {
>  	regulator-min-microvolt = <798674>;
>  	regulator-max-microvolt = <1302172>;
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
> index 5772c52fbfd3..470105d651c2 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
> @@ -927,6 +927,22 @@ ap_i2c_audio: &i2c8 {
>  	dr_mode = "host";
>  };
>  
> +&vopb {
> +	status = "okay";
> +};
> +
> +&vopb_mmu {
> +	status = "okay";
> +};
> +
> +&vopl {
> +	status = "okay";
> +};
> +
> +&vopl_mmu {
> +	status = "okay";
> +};
> +
>  #include <arm/cros-ec-keyboard.dtsi>
>  #include <arm/cros-ec-sbs.dtsi>
>  
>