diff mbox series

[v7,2/4] arm64: dts: qcom: sc8280xp-crd: Enable EDP

Message ID 20230111035906.2975494-3-quic_bjorande@quicinc.com (mailing list archive)
State New, archived
Headers show
Series arm64: dts: qcom: sc8280xp: Enable display | expand

Commit Message

Bjorn Andersson Jan. 11, 2023, 3:59 a.m. UTC 
From: Bjorn Andersson <bjorn.andersson@linaro.org>

The SC8280XP CRD has a EDP display on MDSS0 DP3, enable relevant nodes
and link it together with the backlight control.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
---

Changes since v6:
- None

 arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 73 ++++++++++++++++++++++-
 1 file changed, 72 insertions(+), 1 deletion(-)

Comments

Konrad Dybcio Jan. 11, 2023, 12:11 p.m. UTC | #1 
On 11.01.2023 04:59, Bjorn Andersson wrote:
> From: Bjorn Andersson <bjorn.andersson@linaro.org>
> 
> The SC8280XP CRD has a EDP display on MDSS0 DP3, enable relevant nodes
> and link it together with the backlight control.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
> 
> Changes since v6:
> - None
> 
>  arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 73 ++++++++++++++++++++++-
>  1 file changed, 72 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
> index 551768f97729..db12d8678861 100644
> --- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
> +++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
> @@ -20,7 +20,7 @@ aliases {
>  		serial0 = &qup2_uart17;
>  	};
>  
> -	backlight {
> +	backlight: backlight {
>  		compatible = "pwm-backlight";
>  		pwms = <&pmc8280c_lpg 3 1000000>;
>  		enable-gpios = <&pmc8280_1_gpios 8 GPIO_ACTIVE_HIGH>;
> @@ -34,6 +34,22 @@ chosen {
>  		stdout-path = "serial0:115200n8";
>  	};
>  
> +	vreg_edp_3p3: regulator-edp-3p3 {
> +		compatible = "regulator-fixed";
> +
> +		regulator-name = "VREG_EDP_3P3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +
> +		gpio = <&tlmm 25 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&edp_reg_en>;
> +
> +		regulator-boot-on;
> +	};
> +
>  	vreg_edp_bl: regulator-edp-bl {
>  		compatible = "regulator-fixed";
>  
> @@ -228,6 +244,55 @@ vreg_l9d: ldo9 {
>  	};
>  };
>  
> +&dispcc0 {
> +	status = "okay";
> +};
> +
> +&mdss0 {
> +	status = "okay";
> +};
> +
> +&mdss0_dp3 {
> +	compatible = "qcom,sc8280xp-edp";
> +
> +	data-lanes = <0 1 2 3>;
> +
> +	status = "okay";
> +
> +	aux-bus {
> +		panel {
> +			compatible = "edp-panel";
> +			power-supply = <&vreg_edp_3p3>;
> +
> +			backlight = <&backlight>;
> +
> +			ports {
> +				port {
> +					edp_panel_in: endpoint {
> +						remote-endpoint = <&mdss0_dp3_out>;
> +					};
> +				};
> +			};
> +		};
> +	};
> +
> +	ports {
> +		port@1 {
> +			reg = <1>;
> +			mdss0_dp3_out: endpoint {
> +				remote-endpoint = <&edp_panel_in>;
> +			};
> +		};
> +	};
> +};
> +
> +&mdss0_dp3_phy {
> +	vdda-phy-supply = <&vreg_l6b>;
> +	vdda-pll-supply = <&vreg_l3b>;
> +
> +	status = "okay";
> +};
> +
>  &pcie2a {
>  	perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>;
>  	wake-gpios = <&tlmm 145 GPIO_ACTIVE_LOW>;
> @@ -494,6 +559,12 @@ hastings_reg_en: hastings-reg-en-state {
>  &tlmm {
>  	gpio-reserved-ranges = <74 6>, <83 4>, <125 2>, <128 2>, <154 7>;
>  
> +	edp_reg_en: edp-reg-en-state {
> +		pins = "gpio25";
> +		function = "gpio";
> +		drive-strength = <16>;
> +	};
> +
>  	kybd_default: kybd-default-state {
>  		disable-pins {
>  			pins = "gpio102";
Johan Hovold Jan. 11, 2023, 1:24 p.m. UTC | #2 
On Tue, Jan 10, 2023 at 07:59:04PM -0800, Bjorn Andersson wrote:
> From: Bjorn Andersson <bjorn.andersson@linaro.org>
> 
> The SC8280XP CRD has a EDP display on MDSS0 DP3, enable relevant nodes
> and link it together with the backlight control.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
> ---
> 
> Changes since v6:
> - None
> 
>  arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 73 ++++++++++++++++++++++-
>  1 file changed, 72 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
> index 551768f97729..db12d8678861 100644
> --- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
> +++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
> @@ -20,7 +20,7 @@ aliases {
>  		serial0 = &qup2_uart17;
>  	};
>  
> -	backlight {
> +	backlight: backlight {
>  		compatible = "pwm-backlight";
>  		pwms = <&pmc8280c_lpg 3 1000000>;
>  		enable-gpios = <&pmc8280_1_gpios 8 GPIO_ACTIVE_HIGH>;
> @@ -34,6 +34,22 @@ chosen {
>  		stdout-path = "serial0:115200n8";
>  	};
>  
> +	vreg_edp_3p3: regulator-edp-3p3 {
> +		compatible = "regulator-fixed";
> +
> +		regulator-name = "VREG_EDP_3P3";

Looks like you forgot to change this to "VCC3LCD" which should be the
net name.

> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +
> +		gpio = <&tlmm 25 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&edp_reg_en>;
> +
> +		regulator-boot-on;
> +	};
> +
>  	vreg_edp_bl: regulator-edp-bl {
>  		compatible = "regulator-fixed";

> @@ -494,6 +559,12 @@ hastings_reg_en: hastings-reg-en-state {
>  &tlmm {
>  	gpio-reserved-ranges = <74 6>, <83 4>, <125 2>, <128 2>, <154 7>;
>  
> +	edp_reg_en: edp-reg-en-state {
> +		pins = "gpio25";
> +		function = "gpio";
> +		drive-strength = <16>;

'bias-disable' as well?

> +	};
> +
>  	kybd_default: kybd-default-state {
>  		disable-pins {
>  			pins = "gpio102";

Looks good otherwise,

Reviewed-by: Johan Hovold <johan+linaro@kernel.org>

Johan
Bjorn Andersson Jan. 11, 2023, 6:47 p.m. UTC | #3 
On Wed, Jan 11, 2023 at 02:24:54PM +0100, Johan Hovold wrote:
> On Tue, Jan 10, 2023 at 07:59:04PM -0800, Bjorn Andersson wrote:
> > From: Bjorn Andersson <bjorn.andersson@linaro.org>
> > 
> > The SC8280XP CRD has a EDP display on MDSS0 DP3, enable relevant nodes
> > and link it together with the backlight control.
> > 
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> > Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
> > ---
> > 
> > Changes since v6:
> > - None
> > 
> >  arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 73 ++++++++++++++++++++++-
> >  1 file changed, 72 insertions(+), 1 deletion(-)
> > 
> > diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
> > index 551768f97729..db12d8678861 100644
> > --- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
> > +++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
> > @@ -20,7 +20,7 @@ aliases {
> >  		serial0 = &qup2_uart17;
> >  	};
> >  
> > -	backlight {
> > +	backlight: backlight {
> >  		compatible = "pwm-backlight";
> >  		pwms = <&pmc8280c_lpg 3 1000000>;
> >  		enable-gpios = <&pmc8280_1_gpios 8 GPIO_ACTIVE_HIGH>;
> > @@ -34,6 +34,22 @@ chosen {
> >  		stdout-path = "serial0:115200n8";
> >  	};
> >  
> > +	vreg_edp_3p3: regulator-edp-3p3 {
> > +		compatible = "regulator-fixed";
> > +
> > +		regulator-name = "VREG_EDP_3P3";
> 
> Looks like you forgot to change this to "VCC3LCD" which should be the
> net name.
> 

That's because it's not called VCC3LCD on the CRD.

> > +		regulator-min-microvolt = <3300000>;
> > +		regulator-max-microvolt = <3300000>;
> > +
> > +		gpio = <&tlmm 25 GPIO_ACTIVE_HIGH>;
> > +		enable-active-high;
> > +
> > +		pinctrl-names = "default";
> > +		pinctrl-0 = <&edp_reg_en>;
> > +
> > +		regulator-boot-on;
> > +	};
> > +
> >  	vreg_edp_bl: regulator-edp-bl {
> >  		compatible = "regulator-fixed";
> 
> > @@ -494,6 +559,12 @@ hastings_reg_en: hastings-reg-en-state {
> >  &tlmm {
> >  	gpio-reserved-ranges = <74 6>, <83 4>, <125 2>, <128 2>, <154 7>;
> >  
> > +	edp_reg_en: edp-reg-en-state {
> > +		pins = "gpio25";
> > +		function = "gpio";
> > +		drive-strength = <16>;
> 
> 'bias-disable' as well?
> 

Sound like a good idea, adding that as I'm picking up the patches.

Regards,
Bjorn

> > +	};
> > +
> >  	kybd_default: kybd-default-state {
> >  		disable-pins {
> >  			pins = "gpio102";
> 
> Looks good otherwise,
> 
> Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
> 
> Johan
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
index 551768f97729..db12d8678861 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
@@ -20,7 +20,7 @@  aliases {
 		serial0 = &qup2_uart17;
 	};
 
-	backlight {
+	backlight: backlight {
 		compatible = "pwm-backlight";
 		pwms = <&pmc8280c_lpg 3 1000000>;
 		enable-gpios = <&pmc8280_1_gpios 8 GPIO_ACTIVE_HIGH>;
@@ -34,6 +34,22 @@  chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
+	vreg_edp_3p3: regulator-edp-3p3 {
+		compatible = "regulator-fixed";
+
+		regulator-name = "VREG_EDP_3P3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpio = <&tlmm 25 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&edp_reg_en>;
+
+		regulator-boot-on;
+	};
+
 	vreg_edp_bl: regulator-edp-bl {
 		compatible = "regulator-fixed";
 
@@ -228,6 +244,55 @@  vreg_l9d: ldo9 {
 	};
 };
 
+&dispcc0 {
+	status = "okay";
+};
+
+&mdss0 {
+	status = "okay";
+};
+
+&mdss0_dp3 {
+	compatible = "qcom,sc8280xp-edp";
+
+	data-lanes = <0 1 2 3>;
+
+	status = "okay";
+
+	aux-bus {
+		panel {
+			compatible = "edp-panel";
+			power-supply = <&vreg_edp_3p3>;
+
+			backlight = <&backlight>;
+
+			ports {
+				port {
+					edp_panel_in: endpoint {
+						remote-endpoint = <&mdss0_dp3_out>;
+					};
+				};
+			};
+		};
+	};
+
+	ports {
+		port@1 {
+			reg = <1>;
+			mdss0_dp3_out: endpoint {
+				remote-endpoint = <&edp_panel_in>;
+			};
+		};
+	};
+};
+
+&mdss0_dp3_phy {
+	vdda-phy-supply = <&vreg_l6b>;
+	vdda-pll-supply = <&vreg_l3b>;
+
+	status = "okay";
+};
+
 &pcie2a {
 	perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>;
 	wake-gpios = <&tlmm 145 GPIO_ACTIVE_LOW>;
@@ -494,6 +559,12 @@  hastings_reg_en: hastings-reg-en-state {
 &tlmm {
 	gpio-reserved-ranges = <74 6>, <83 4>, <125 2>, <128 2>, <154 7>;
 
+	edp_reg_en: edp-reg-en-state {
+		pins = "gpio25";
+		function = "gpio";
+		drive-strength = <16>;
+	};
+
 	kybd_default: kybd-default-state {
 		disable-pins {
 			pins = "gpio102";