# SPDX-License-Identifier: GPL-2.0 %YAML 1.2 --- $id: http://devicetree.org/schemas/display/panel/samsung,ld9040.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Samsung LD9040 AMOLED LCD parallel RGB panel with SPI control bus maintainers: - Andrzej Hajda allOf: - $ref: panel-common.yaml# - $ref: /schemas/spi/spi-peripheral-props.yaml# properties: compatible: const: samsung,ld9040 display-timings: true port: true reg: true reset-gpios: true vdd3-supply: description: core voltage supply vci-supply: description: voltage supply for analog circuits power-on-delay: $ref: /schemas/types.yaml#/definitions/uint32 description: delay after turning regulators on [ms] reset-delay: $ref: /schemas/types.yaml#/definitions/uint32 description: delay after reset sequence [ms] panel-width-mm: description: physical panel width [mm] panel-height-mm: description: physical panel height [mm] spi-cpha: true spi-cpol: true required: - compatible - reg - vdd3-supply - vci-supply - reset-gpios - display-timings unevaluatedProperties: false examples: - | spi { #address-cells = <1>; #size-cells = <0>; lcd@0 { compatible = "samsung,ld9040"; reg = <0>; vdd3-supply = <&ldo7_reg>; vci-supply = <&ldo17_reg>; reset-gpios = <&gpy4 5 0>; spi-max-frequency = <1200000>; spi-cpol; spi-cpha; power-on-delay = <10>; reset-delay = <10>; panel-width-mm = <90>; panel-height-mm = <154>; display-timings { timing { clock-frequency = <23492370>; hactive = <480>; vactive = <800>; hback-porch = <16>; hfront-porch = <16>; vback-porch = <2>; vfront-porch = <28>; hsync-len = <2>; vsync-len = <1>; hsync-active = <0>; vsync-active = <0>; de-active = <0>; pixelclk-active = <0>; }; }; port { lcd_ep: endpoint { remote-endpoint = <&fimd_dpi_ep>; }; }; }; }; ...