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Message-ID: <cbsxqssei5lcsnnphk5cx77qpnnnjticvtzn2jemkm6h333llx@hzygsxsc6t22>
Date: Sun, 29 Sep 2024 22:55:17 -0500
From: Bjorn Andersson <andersson@...nel.org>
To: Dzmitry Sankouski <dsankouski@...il.com>
Cc: cros-qcom-dts-watchers@...omium.org, 
	Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 11/12] arm64: dts: qcom: starqltechn: add graphics
 support

On Thu, Sep 26, 2024 at 05:22:11PM GMT, Dzmitry Sankouski wrote:

It would be much appreciated if we included "sdm845-starqltechn" in the
subject. That way it will help me when I try to write the pull request
later, and try to group sdm845 changes together...

> Add support for gpu and panel.
> 
> Signed-off-by: Dzmitry Sankouski <dsankouski@...il.com>
> ---
> Changes for v5:
> - fix label names
> ---
>  arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 67 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts b/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
> index 230e984b5ba3..f7cb09734d2f 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
> @@ -203,6 +203,52 @@ vib_pwm: pwm {
>  	};
>  };
>  
> +&gpu {
> +	status = "okay";
> +
> +	zap-shader {
> +		memory-region = <&gpu_mem>;
> +		firmware-name = "qcom/sdm845/starqltechn/a630_zap.mbn";
> +	};
> +};
> +
> +&mdss {
> +	status = "okay";
> +};
> +
> +&mdss_dsi0 {
> +	vdda-supply = <&vreg_l26a_1p2>;
> +	status = "okay";
> +
> +	panel@0 {
> +		compatible = "samsung,s6e3ha8";
> +		reg = <0>;
> +		vci-supply = <&s2dos05_ldo4>;
> +		vddr-supply = <&s2dos05_buck>;
> +		vdd3-supply = <&s2dos05_ldo1>;
> +		te-gpios = <&tlmm 10 GPIO_ACTIVE_HIGH>;
> +		reset-gpios = <&tlmm 6 GPIO_ACTIVE_HIGH>;
> +		pinctrl-0 = <&sde_dsi_default &sde_te>;
> +		pinctrl-1 = <&sde_dsi_suspend &sde_te>;
> +		pinctrl-names = "default", "suspend";
> +
> +		port {
> +			panel_in: endpoint {
> +				remote-endpoint = <&mdss_dsi0_out>;
> +			};
> +		};
> +	};
> +};
> +
> +&mdss_dsi0_out {
> +	data-lanes = <0 1 2 3>;
> +	remote-endpoint = <&panel_in>;
> +};
> +
> +&mdss_dsi0_phy {
> +	vdds-supply = <&vdda_mipi_dsi0_pll>;
> +	status = "okay";
> +};
>  
>  &apps_rsc {
>  	regulators-0 {
> @@ -837,6 +883,27 @@ &tlmm {
>  	gpio-reserved-ranges = <27 4>, /* SPI (eSE - embedded Secure Element) */
>  			       <85 4>; /* SPI (fingerprint reader) */
>  
> +	sde_dsi_default: sde-dsi-default-state {

I'd prefer we leave the "sde" out of here.

Also, 'sde' > 'sdc2', so in its current form this should be moved down a
bit.

Regards,
Bjorn

> +		pins = "gpio6";
> +		function = "gpio";
> +		drive-strength = <8>;
> +		bias-disable;
> +	};
> +
> +	sde_dsi_suspend: sde-dsi-suspend-state {
> +		pins = "gpio6";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-pull-down;
> +	};
> +
> +	sde_te: sde-te-state {
> +		pins = "gpio10";
> +		function = "mdp_vsync";
> +		drive-strength = <2>;
> +		bias-pull-down;
> +	};
> +
>  	sdc2_clk_state: sdc2-clk-state {
>  		pins = "sdc2_clk";
>  		bias-disable;
> 
> -- 
> 2.39.2
> 

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