Re: [PATCH v8 5/7] arm64: dts: renesas: eagle: Enable MAX9286

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Quoting Jacopo Mondi (2021-12-16 16:34:37)
> From: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx>
> 
> Enable the MAX9286 GMSL deserializer on the Eagle-V3M board.
> 
> Connected cameras should be defined in a device-tree overlay or included
> after these definitions.
> 
> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Signed-off-by: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx>

Aha, this looks like it has changed a little from what I would have
originally created, but I think it's good this way.

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

> Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
> ---
>  .../arm64/boot/dts/renesas/r8a77970-eagle.dts | 104 ++++++++++++++++++
>  1 file changed, 104 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
> index b579d3189a93..91b9fab6afbc 100644
> --- a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
> @@ -6,6 +6,8 @@
>   * Copyright (C) 2017 Cogent Embedded, Inc.
>   */
>  
> +#include <dt-bindings/gpio/gpio.h>
> +
>  /dts-v1/;
>  #include "r8a77970.dtsi"
>  #include <dt-bindings/gpio/gpio.h>
> @@ -200,6 +202,11 @@ i2c0_pins: i2c0 {
>                 function = "i2c0";
>         };
>  
> +       i2c3_pins: i2c3 {
> +               groups = "i2c3_a";
> +               function = "i2c3";
> +       };
> +
>         qspi0_pins: qspi0 {
>                 groups = "qspi0_ctrl", "qspi0_data4";
>                 function = "qspi0";
> @@ -278,6 +285,103 @@ &rwdt {
>         status = "okay";
>  };
>  
> +&csi40 {
> +       status = "okay";
> +
> +       ports {
> +               port@0 {
> +                       csi40_in: endpoint {
> +                               clock-lanes = <0>;
> +                               data-lanes = <1 2 3 4>;
> +                               remote-endpoint = <&max9286_out0>;
> +                       };
> +               };
> +       };
> +};
> +
> +&i2c3 {
> +       pinctrl-0 = <&i2c3_pins>;
> +       pinctrl-names = "default";
> +
> +       status = "okay";
> +       clock-frequency = <400000>;
> +
> +       gmsl0: gmsl-deserializer@48 {
> +               compatible = "maxim,max9286";
> +               reg = <0x48>;
> +
> +               maxim,gpio-poc = <0 GPIO_ACTIVE_LOW>;
> +               enable-gpios = <&io_expander 0 GPIO_ACTIVE_HIGH>;
> +
> +               ports {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +
> +                       port@0 {
> +                               reg = <0>;
> +                       };
> +
> +                       port@1 {
> +                               reg = <1>;
> +                       };
> +
> +                       port@2 {
> +                               reg = <2>;
> +                       };
> +
> +                       port@3 {
> +                               reg = <3>;
> +                       };
> +
> +                       port@4 {
> +                               reg = <4>;
> +                               max9286_out0: endpoint {
> +                                       clock-lanes = <0>;
> +                                       data-lanes = <1 2 3 4>;
> +                                       remote-endpoint = <&csi40_in>;
> +                               };
> +                       };
> +               };
> +
> +               i2c-mux {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +
> +                       i2c@0 {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +                               reg = <0>;
> +
> +                               status = "disabled";
> +                       };
> +
> +                       i2c@1 {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +                               reg = <1>;
> +
> +                               status = "disabled";
> +                       };
> +
> +                       i2c@2 {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +                               reg = <2>;
> +
> +                               status = "disabled";
> +                       };
> +
> +                       i2c@3 {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +                               reg = <3>;
> +
> +                               status = "disabled";
> +                       };
> +               };
> +       };
> +};
> +
>  &scif0 {
>         pinctrl-0 = <&scif0_pins>;
>         pinctrl-names = "default";
> -- 
> 2.33.1
>




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