Unverified Commit 1b6a7961 authored by Javier Martinez Canillas's avatar Javier Martinez Canillas
Browse files

dt-bindings: display: ssd1307fb: Extend schema for SPI controllers 



The Solomon SSD130x OLED displays can either have an I2C or SPI interface,
add to the schema the properties and examples for OLED devices under SPI.

Signed-off-by: default avatarJavier Martinez Canillas <javierm@redhat.com>
Acked-by: default avatarMark Brown <broonie@kernel.org>
Reviewed-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220419214824.335075-3-javierm@redhat.com
parent 36bf0611

Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml

+40 −2
Original line number Diff line number Diff line
@@ -38,9 +38,20 @@ properties: 
  reset-gpios:

    maxItems: 1



  # Only required for SPI

  dc-gpios:

    description:

      GPIO connected to the controller's D/C# (Data/Command) pin,

      that is needed for 4-wire SPI to tell the controller if the

      data sent is for a command register or the display data RAM

    maxItems: 1



  vbat-supply:

    description: The supply for VBAT



  # Only required for SPI

  spi-max-frequency: true



  solomon,height:

    $ref: /schemas/types.yaml#/definitions/uint32

    default: 16
@@ -220,14 +231,14 @@ examples: 
            #address-cells = <1>;

            #size-cells = <0>;



            ssd1307: oled@3c {

            ssd1307_i2c: oled@3c {

                    compatible = "solomon,ssd1307";

                    reg = <0x3c>;

                    pwms = <&pwm 4 3000>;

                    reset-gpios = <&gpio2 7>;

            };



            ssd1306: oled@3d {

            ssd1306_i2c: oled@3d {

                    compatible = "solomon,ssd1306";

                    reg = <0x3c>;

                    pwms = <&pwm 4 3000>;
@@ -238,3 +249,30 @@ examples: 
                    solomon,lookup-table = /bits/ 8 <0x3f 0x3f 0x3f 0x3f>;

            };

    };

  - |

    spi {

            #address-cells = <1>;

            #size-cells = <0>;



            ssd1307_spi: oled@0 {

                    compatible = "solomon,ssd1307";

                    reg = <0x0>;

                    pwms = <&pwm 4 3000>;

                    reset-gpios = <&gpio2 7>;

                    dc-gpios = <&gpio2 8>;

                    spi-max-frequency = <10000000>;

            };



            ssd1306_spi: oled@1 {

                    compatible = "solomon,ssd1306";

                    reg = <0x1>;

                    pwms = <&pwm 4 3000>;

                    reset-gpios = <&gpio2 7>;

                    dc-gpios = <&gpio2 8>;

                    spi-max-frequency = <10000000>;

                    solomon,com-lrremap;

                    solomon,com-invdir;

                    solomon,com-offset = <32>;

                    solomon,lookup-table = /bits/ 8 <0x3f 0x3f 0x3f 0x3f>;

            };

    };