Commit f82ff130 authored by Linus Walleij's avatar Linus Walleij
Browse files

drm/panel: Add DT bindings for Samsung LMS380KF01 



This adds device tree bindings for the Samsung Mobile Displays
LMS380KF01 RGB DPI display panel.

Cc: devicetree@vger.kernel.org
Cc: phone-devel@vger.kernel.org
Cc: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: default avatarSam Ravnborg <sam@ravnborg.org>
Reviewed-by: default avatarDouglas Anderson <dianders@chromium.org>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210714225002.1065107-1-linus.walleij@linaro.org
parent 17a1837d

Documentation/devicetree/bindings/display/panel/samsung,lms380kf01.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/display/panel/samsung,lms380kf01.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Samsung LMS380KF01 display panel



description: The LMS380KF01 is a 480x800 DPI display panel from Samsung Mobile

  Displays (SMD) utilizing the WideChips WS2401 display controller. It can be

  used with internal or external backlight control.

  The panel must obey the rules for a SPI slave device as specified in

  spi/spi-controller.yaml



maintainers:

  - Linus Walleij <linus.walleij@linaro.org>



allOf:

  - $ref: panel-common.yaml#



properties:

  compatible:

    const: samsung,lms380kf01



  reg: true



  interrupts:

    description: provides an optional ESD (electrostatic discharge)

      interrupt that signals abnormalities in the display hardware.

      This can also be raised for other reasons like erroneous

      configuration.

    maxItems: 1



  reset-gpios: true



  vci-supply:

    description: regulator that supplies the VCI analog voltage

      usually around 3.0 V



  vccio-supply:

    description: regulator that supplies the VCCIO voltage usually

      around 1.8 V



  backlight: true



  spi-cpha: true



  spi-cpol: true



  spi-max-frequency:

    maximum: 1200000



  port: true



required:

  - compatible

  - reg

  - spi-cpha

  - spi-cpol

  - port



additionalProperties: false



examples:

  - |

    #include <dt-bindings/gpio/gpio.h>

    #include <dt-bindings/interrupt-controller/irq.h>



    spi {

        compatible = "spi-gpio";

        sck-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;

        miso-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;

        mosi-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>;

        cs-gpios = <&gpio 3 GPIO_ACTIVE_HIGH>;

        num-chipselects = <1>;

        #address-cells = <1>;

        #size-cells = <0>;



        panel@0 {

            compatible = "samsung,lms380kf01";

            spi-max-frequency = <1200000>;

            spi-cpha;

            spi-cpol;

            reg = <0>;

            vci-supply = <&lcd_3v0_reg>;

            vccio-supply = <&lcd_1v8_reg>;

            reset-gpios = <&gpio 4 GPIO_ACTIVE_LOW>;

            interrupt-parent = <&gpio>;

            interrupts = <5 IRQ_TYPE_EDGE_RISING>;



            port {

                panel_in: endpoint {

                    remote-endpoint = <&display_out>;

                };

            };

        };

    };



...