samsung,ld9040.yaml

  1# SPDX-License-Identifier: GPL-2.0
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/display/panel/samsung,ld9040.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Samsung LD9040 AMOLED LCD parallel RGB panel with SPI control bus
  8
  9maintainers:
 10  - Andrzej Hajda <a.hajda@samsung.com>
 11
 12allOf:
 13  - $ref: panel-common.yaml#
 14  - $ref: /schemas/spi/spi-peripheral-props.yaml#
 15
 16properties:
 17  compatible:
 18    const: samsung,ld9040
 19
 20  reg:
 21    maxItems: 1
 22
 23  display-timings: true
 24  port: true
 25  reset-gpios: true
 26
 27  vdd3-supply:
 28    description: core voltage supply
 29
 30  vci-supply:
 31    description: voltage supply for analog circuits
 32
 33  power-on-delay:
 34    $ref: /schemas/types.yaml#/definitions/uint32
 35    description: delay after turning regulators on [ms]
 36
 37  reset-delay:
 38    $ref: /schemas/types.yaml#/definitions/uint32
 39    description: delay after reset sequence [ms]
 40
 41  panel-width-mm:
 42    description: physical panel width [mm]
 43
 44  panel-height-mm:
 45    description: physical panel height [mm]
 46
 47  spi-cpha: true
 48  spi-cpol: true
 49
 50required:
 51  - compatible
 52  - reg
 53  - vdd3-supply
 54  - vci-supply
 55  - reset-gpios
 56  - display-timings
 57
 58unevaluatedProperties: false
 59
 60examples:
 61  - |
 62    spi {
 63        #address-cells = <1>;
 64        #size-cells = <0>;
 65
 66        lcd@0 {
 67            compatible = "samsung,ld9040";
 68
 69            reg = <0>;
 70            vdd3-supply = <&ldo7_reg>;
 71            vci-supply = <&ldo17_reg>;
 72            reset-gpios = <&gpy4 5 0>;
 73            spi-max-frequency = <1200000>;
 74            spi-cpol;
 75            spi-cpha;
 76            power-on-delay = <10>;
 77            reset-delay = <10>;
 78            panel-width-mm = <90>;
 79            panel-height-mm = <154>;
 80
 81            display-timings {
 82                timing {
 83                    clock-frequency = <23492370>;
 84                    hactive = <480>;
 85                    vactive = <800>;
 86                    hback-porch = <16>;
 87                    hfront-porch = <16>;
 88                    vback-porch = <2>;
 89                    vfront-porch = <28>;
 90                    hsync-len = <2>;
 91                    vsync-len = <1>;
 92                    hsync-active = <0>;
 93                    vsync-active = <0>;
 94                    de-active = <0>;
 95                    pixelclk-active = <0>;
 96                };
 97            };
 98
 99            port {
100                lcd_ep: endpoint {
101                    remote-endpoint = <&fimd_dpi_ep>;
102                };
103            };
104        };
105    };
106
107...