Re: [PATCHv2 01/56] ARM: dts: omap: add channel to DSI panels

[Laurent Pinchart <laurent.pinchart@ideasonboard.com>]

Hi Sebastian,

Thank you for the patch.

On Tue, Feb 25, 2020 at 12:20:31AM +0100, Sebastian Reichel wrote:
> The standard binding for DSI requires, that the channel number
> of the panel is encoded in DT. This adds the channel number in
> all OMAP3-5 boards, in preparation for using common infrastructure.
> 
> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
> ---
>  .../devicetree/bindings/display/panel/panel-dsi-cm.txt      | 4 +++-
>  arch/arm/boot/dts/motorola-mapphone-common.dtsi             | 3 ++-
>  arch/arm/boot/dts/omap3-n950.dts                            | 3 ++-
>  arch/arm/boot/dts/omap3.dtsi                                | 3 +++
>  arch/arm/boot/dts/omap4-sdp.dts                             | 6 ++++--
>  arch/arm/boot/dts/omap4.dtsi                                | 6 ++++++
>  arch/arm/boot/dts/omap5.dtsi                                | 6 ++++++
>  7 files changed, 26 insertions(+), 5 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/panel-dsi-cm.txt b/Documentation/devicetree/bindings/display/panel/panel-dsi-cm.txt
> index dce48eb9db57..f92d5c9adfc5 100644
> --- a/Documentation/devicetree/bindings/display/panel/panel-dsi-cm.txt
> +++ b/Documentation/devicetree/bindings/display/panel/panel-dsi-cm.txt
> @@ -3,6 +3,7 @@ Generic MIPI DSI Command Mode Panel
>  
>  Required properties:
>  - compatible: "panel-dsi-cm"
> +- reg: DSI channel number
>  
>  Optional properties:
>  - label: a symbolic name for the panel
> @@ -15,9 +16,10 @@ Required nodes:
>  Example
>  -------
>  
> -lcd0: display {
> +lcd0: panel@0 {
>  	compatible = "tpo,taal", "panel-dsi-cm";
>  	label = "lcd0";
> +	reg = <0>;
>  
>  	reset-gpios = <&gpio4 6 GPIO_ACTIVE_HIGH>;
>  

While at it, how about converting this to yaml ?

> diff --git a/arch/arm/boot/dts/motorola-mapphone-common.dtsi b/arch/arm/boot/dts/motorola-mapphone-common.dtsi
> index 85665506f4f8..a5e4ba7c8dab 100644
> --- a/arch/arm/boot/dts/motorola-mapphone-common.dtsi
> +++ b/arch/arm/boot/dts/motorola-mapphone-common.dtsi
> @@ -199,8 +199,9 @@ dsi1_out_ep: endpoint {
>  		};
>  	};
>  
> -	lcd0: display {
> +	lcd0: panel@0 {
>  		compatible = "panel-dsi-cm";
> +		reg = <0>;
>  		label = "lcd0";
>  		vddi-supply = <&lcd_regulator>;
>  		reset-gpios = <&gpio4 5 GPIO_ACTIVE_HIGH>;	/* gpio101 */
> diff --git a/arch/arm/boot/dts/omap3-n950.dts b/arch/arm/boot/dts/omap3-n950.dts
> index 31d47a1fad84..80cf4e1177da 100644
> --- a/arch/arm/boot/dts/omap3-n950.dts
> +++ b/arch/arm/boot/dts/omap3-n950.dts
> @@ -225,8 +225,9 @@ dsi_out_ep: endpoint {
>  		};
>  	};
>  
> -	lcd0: display {
> +	lcd0: panel@0 {
>  		compatible = "nokia,himalaya", "panel-dsi-cm";
> +		reg = <0>;
>  		label = "lcd0";
>  
>  		pinctrl-names = "default";
> diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
> index 634ea16a711e..409d434a9b18 100644
> --- a/arch/arm/boot/dts/omap3.dtsi
> +++ b/arch/arm/boot/dts/omap3.dtsi
> @@ -820,6 +820,9 @@ dsi: encoder@4804fc00 {
>  				ti,hwmods = "dss_dsi1";
>  				clocks = <&dss1_alwon_fck>, <&dss2_alwon_fck>;
>  				clock-names = "fck", "sys_clk";
> +
> +				#address-cells = <1>;
> +				#size-cells = <0>;
>  			};
>  
>  			rfbi: encoder@48050800 {
> diff --git a/arch/arm/boot/dts/omap4-sdp.dts b/arch/arm/boot/dts/omap4-sdp.dts
> index 91480ac1f328..8a8307517dab 100644
> --- a/arch/arm/boot/dts/omap4-sdp.dts
> +++ b/arch/arm/boot/dts/omap4-sdp.dts
> @@ -662,8 +662,9 @@ dsi1_out_ep: endpoint {
>  		};
>  	};
>  
> -	lcd0: display {
> +	lcd0: panel@0 {
>  		compatible = "tpo,taal", "panel-dsi-cm";
> +		reg = <0>;
>  		label = "lcd0";
>  
>  		reset-gpios = <&gpio4 6 GPIO_ACTIVE_HIGH>;	/* 102 */
> @@ -687,8 +688,9 @@ dsi2_out_ep: endpoint {
>  		};
>  	};
>  
> -	lcd1: display {
> +	lcd1: panel@0 {
>  		compatible = "tpo,taal", "panel-dsi-cm";
> +		reg = <0>;
>  		label = "lcd1";
>  
>  		reset-gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>;	/* 104 */
> diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
> index 9a87440d0b9d..a75734065cac 100644
> --- a/arch/arm/boot/dts/omap4.dtsi
> +++ b/arch/arm/boot/dts/omap4.dtsi
> @@ -465,6 +465,9 @@ dsi1: encoder@58004000 {
>  				clocks = <&l3_dss_clkctrl OMAP4_DSS_CORE_CLKCTRL 8>,
>  					 <&l3_dss_clkctrl OMAP4_DSS_CORE_CLKCTRL 10>;
>  				clock-names = "fck", "sys_clk";
> +
> +				#address-cells = <1>;
> +				#size-cells = <0>;
>  			};
>  
>  			dsi2: encoder@58005000 {
> @@ -479,6 +482,9 @@ dsi2: encoder@58005000 {
>  				clocks = <&l3_dss_clkctrl OMAP4_DSS_CORE_CLKCTRL 8>,
>  					 <&l3_dss_clkctrl OMAP4_DSS_CORE_CLKCTRL 10>;
>  				clock-names = "fck", "sys_clk";
> +
> +				#address-cells = <1>;
> +				#size-cells = <0>;
>  			};
>  
>  			hdmi: encoder@58006000 {
> diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
> index d0ecf54d5a23..5c7462e04716 100644
> --- a/arch/arm/boot/dts/omap5.dtsi
> +++ b/arch/arm/boot/dts/omap5.dtsi
> @@ -333,6 +333,9 @@ dsi1: encoder@58004000 {
>  				clocks = <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 8>,
>  					 <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 10>;
>  				clock-names = "fck", "sys_clk";
> +
> +				#address-cells = <1>;
> +				#size-cells = <0>;
>  			};
>  
>  			dsi2: encoder@58005000 {
> @@ -347,6 +350,9 @@ dsi2: encoder@58005000 {
>  				clocks = <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 8>,
>  					 <&dss_clkctrl OMAP5_DSS_CORE_CLKCTRL 10>;
>  				clock-names = "fck", "sys_clk";
> +
> +				#address-cells = <1>;
> +				#size-cells = <0>;
>  			};
>  
>  			hdmi: encoder@58060000 {

-- 
Regards,

Laurent Pinchart