0001 # SPDX-License-Identifier: GPL-2.0
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/display/panel/samsung,ld9040.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Samsung LD9040 AMOLED LCD parallel RGB panel with SPI control bus
0008
0009 maintainers:
0010 - Andrzej Hajda <a.hajda@samsung.com>
0011
0012 allOf:
0013 - $ref: panel-common.yaml#
0014 - $ref: /schemas/spi/spi-peripheral-props.yaml#
0015
0016 properties:
0017 compatible:
0018 const: samsung,ld9040
0019
0020 display-timings: true
0021 port: true
0022 reg: true
0023 reset-gpios: true
0024
0025 vdd3-supply:
0026 description: core voltage supply
0027
0028 vci-supply:
0029 description: voltage supply for analog circuits
0030
0031 power-on-delay:
0032 $ref: /schemas/types.yaml#/definitions/uint32
0033 description: delay after turning regulators on [ms]
0034
0035 reset-delay:
0036 $ref: /schemas/types.yaml#/definitions/uint32
0037 description: delay after reset sequence [ms]
0038
0039 panel-width-mm:
0040 description: physical panel width [mm]
0041
0042 panel-height-mm:
0043 description: physical panel height [mm]
0044
0045 spi-cpha: true
0046 spi-cpol: true
0047
0048 required:
0049 - compatible
0050 - reg
0051 - vdd3-supply
0052 - vci-supply
0053 - reset-gpios
0054 - display-timings
0055
0056 unevaluatedProperties: false
0057
0058 examples:
0059 - |
0060 spi {
0061 #address-cells = <1>;
0062 #size-cells = <0>;
0063
0064 lcd@0 {
0065 compatible = "samsung,ld9040";
0066
0067 reg = <0>;
0068 vdd3-supply = <&ldo7_reg>;
0069 vci-supply = <&ldo17_reg>;
0070 reset-gpios = <&gpy4 5 0>;
0071 spi-max-frequency = <1200000>;
0072 spi-cpol;
0073 spi-cpha;
0074 power-on-delay = <10>;
0075 reset-delay = <10>;
0076 panel-width-mm = <90>;
0077 panel-height-mm = <154>;
0078
0079 display-timings {
0080 timing {
0081 clock-frequency = <23492370>;
0082 hactive = <480>;
0083 vactive = <800>;
0084 hback-porch = <16>;
0085 hfront-porch = <16>;
0086 vback-porch = <2>;
0087 vfront-porch = <28>;
0088 hsync-len = <2>;
0089 vsync-len = <1>;
0090 hsync-active = <0>;
0091 vsync-active = <0>;
0092 de-active = <0>;
0093 pixelclk-active = <0>;
0094 };
0095 };
0096
0097 port {
0098 lcd_ep: endpoint {
0099 remote-endpoint = <&fimd_dpi_ep>;
0100 };
0101 };
0102 };
0103 };
0104
0105 ...
