Re: [PATCH v1 5/8] arm64: dts: renesas: white-hawk-cpu: Add DP output support

[Kieran Bingham]

Quoting Tomi Valkeinen (2022-11-17 12:25:44)
> From: Tomi Valkeinen <tomi.valkeinen+renesas@xxxxxxxxxxxxxxxx>
> 
> Add DT nodes needed for the mini DP connector. The DP is driven by
> sn65dsi86, which in turn gets the pixel data from the SoC via DSI.
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@xxxxxxxxxxxxxxxx>

Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>


> ---
>  .../dts/renesas/r8a779g0-white-hawk-cpu.dtsi  | 94 +++++++++++++++++++
>  1 file changed, 94 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
> index c10740aee9f6..8aab859aac7a 100644
> --- a/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
> @@ -97,6 +97,15 @@ memory@600000000 {
>                 reg = <0x6 0x00000000 0x1 0x00000000>;
>         };
>  
> +       reg_1p2v: regulator-1p2v {
> +               compatible = "regulator-fixed";
> +               regulator-name = "fixed-1.2V";
> +               regulator-min-microvolt = <1200000>;
> +               regulator-max-microvolt = <1200000>;
> +               regulator-boot-on;
> +               regulator-always-on;
> +       };
> +
>         reg_1p8v: regulator-1p8v {
>                 compatible = "regulator-fixed";
>                 regulator-name = "fixed-1.8V";
> @@ -114,6 +123,24 @@ reg_3p3v: regulator-3p3v {
>                 regulator-boot-on;
>                 regulator-always-on;
>         };
> +
> +       mini-dp-con {
> +               compatible = "dp-connector";
> +               label = "CN5";
> +               type = "mini";
> +
> +               port {
> +                       mini_dp_con_in: endpoint {
> +                               remote-endpoint = <&sn65dsi86_out>;
> +                       };
> +               };
> +       };
> +
> +       sn65dsi86_refclk: clk-x6 {
> +               compatible = "fixed-clock";
> +               #clock-cells = <0>;
> +               clock-frequency = <38400000>;
> +       };
>  };
>  
>  &avb0 {
> @@ -134,6 +161,23 @@ phy0: ethernet-phy@0 {
>         };
>  };
>  
> +&dsi0 {
> +       status = "okay";
> +
> +       ports {
> +               port@1 {
> +                       dsi0_out: endpoint {
> +                               remote-endpoint = <&sn65dsi86_in>;
> +                               data-lanes = <1 2 3 4>;
> +                       };
> +               };
> +       };
> +};
> +
> +&du {
> +       status = "okay";
> +};
> +
>  &extal_clk {
>         clock-frequency = <16666666>;
>  };
> @@ -172,6 +216,51 @@ eeprom@50 {
>         };
>  };
>  
> +&i2c1 {
> +       pinctrl-0 = <&i2c1_pins>;
> +       pinctrl-names = "default";
> +
> +       status = "okay";
> +       clock-frequency = <400000>;
> +
> +       bridge@2c {
> +               compatible = "ti,sn65dsi86";
> +               reg = <0x2c>;
> +
> +               clocks = <&sn65dsi86_refclk>;
> +               clock-names = "refclk";
> +
> +               interrupt-parent = <&intc_ex>;
> +               interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
> +
> +               enable-gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
> +
> +               vccio-supply = <&reg_1p8v>;
> +               vpll-supply = <&reg_1p8v>;
> +               vcca-supply = <&reg_1p2v>;
> +               vcc-supply = <&reg_1p2v>;
> +
> +               ports {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +
> +                       port@0 {
> +                               reg = <0>;
> +                               sn65dsi86_in: endpoint {
> +                                       remote-endpoint = <&dsi0_out>;
> +                               };
> +                       };
> +
> +                       port@1 {
> +                               reg = <1>;
> +                               sn65dsi86_out: endpoint {
> +                                       remote-endpoint = <&mini_dp_con_in>;
> +                               };
> +                       };
> +               };
> +       };
> +};
> +
>  &mmc0 {
>         pinctrl-0 = <&mmc_pins>;
>         pinctrl-1 = <&mmc_pins>;
> @@ -221,6 +310,11 @@ i2c0_pins: i2c0 {
>                 function = "i2c0";
>         };
>  
> +       i2c1_pins: i2c1 {
> +               groups = "i2c1";
> +               function = "i2c1";
> +       };
> +
>         keys_pins: keys {
>                 pins = "GP_5_0", "GP_5_1", "GP_5_2";
>                 bias-pull-up;
> -- 
> 2.34.1
>