brintos / linux-shallow public Read only

1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/display/panel/sitronix,st7701.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Sitronix ST7701 based LCD panels8 9maintainers:10  - Jagan Teki <jagan@amarulasolutions.com>11 12description: |13  ST7701 designed for small and medium sizes of TFT LCD display, is14  capable of supporting up to 480RGBX864 in resolution. It provides15  several system interfaces like MIPI/RGB/SPI.16 17  Techstar TS8550B is 480x854, 2-lane MIPI DSI LCD panel which has18  inbuilt ST7701 chip.19 20  Densitron DMT028VGHMCMI-1A is 480x640, 2-lane MIPI DSI LCD panel21  which has built-in ST7701 chip.22 23properties:24  compatible:25    items:26      - enum:27          - anbernic,rg-arc-panel28          - anbernic,rg28xx-panel29          - densitron,dmt028vghmcmi-1a30          - elida,kd50t048a31          - techstar,ts8550b32      - const: sitronix,st770133 34  reg:35    description: DSI / SPI channel used by that screen36    maxItems: 137 38  VCC-supply:39    description: analog regulator for MIPI circuit40 41  IOVCC-supply:42    description: I/O system regulator43 44  dc-gpios:45    maxItems: 146    description:47      Controller data/command selection (D/CX) in 4-line SPI mode.48      If not set, the controller is in 3-line SPI mode.49      Disallowed for DSI.50 51  port: true52  reset-gpios: true53  rotation: true54 55  backlight: true56 57required:58  - compatible59  - reg60  - VCC-supply61  - IOVCC-supply62  - port63  - reset-gpios64 65allOf:66  - $ref: panel-common.yaml#67  - if:68      properties:69        compatible:70          contains:71            # SPI connected panels72            enum:73              - anbernic,rg28xx-panel74    then:75      $ref: /schemas/spi/spi-peripheral-props.yaml#76 77  - if:78      properties:79        compatible:80          not:81            contains:82              # DSI or SPI without D/CX pin83              enum:84                - anbernic,rg-arc-panel85                - anbernic,rg28xx-panel86                - densitron,dmt028vghmcmi-1a87                - elida,kd50t048a88                - techstar,ts8550b89    then:90      required:91        - dc-gpios92    else:93      properties:94        dc-gpios: false95 96unevaluatedProperties: false97 98examples:99  - |100    #include <dt-bindings/gpio/gpio.h>101 102    dsi {103        #address-cells = <1>;104        #size-cells = <0>;105 106        panel@0 {107            compatible = "techstar,ts8550b", "sitronix,st7701";108            reg = <0>;109            VCC-supply = <&reg_dldo2>;110            IOVCC-supply = <&reg_dldo2>;111            reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */112            backlight = <&backlight>;113 114            port {115                mipi_in_panel: endpoint {116                    remote-endpoint = <&mipi_out_panel>;117                };118            };119        };120    };121  - |122    #include <dt-bindings/gpio/gpio.h>123 124    spi {125        #address-cells = <1>;126        #size-cells = <0>;127 128        panel@0 {129            compatible = "anbernic,rg28xx-panel", "sitronix,st7701";130            reg = <0>;131            spi-max-frequency = <3125000>;132            VCC-supply = <&reg_lcd>;133            IOVCC-supply = <&reg_lcd>;134            reset-gpios = <&pio 8 14 GPIO_ACTIVE_HIGH>; /* LCD-RST: PI14 */135            backlight = <&backlight>;136 137            port {138                panel_in_rgb: endpoint {139                    remote-endpoint = <&tcon_lcd0_out_lcd>;140                };141            };142        };143    };144