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 display-timings: true 21 port: true 22 reg: true 23 reset-gpios: true 24 25 vdd3-supply: 26 description: core voltage supply 27 28 vci-supply: 29 description: voltage supply for analog circuits 30 31 power-on-delay: 32 $ref: /schemas/types.yaml#/definitions/uint32 33 description: delay after turning regulators on [ms] 34 35 reset-delay: 36 $ref: /schemas/types.yaml#/definitions/uint32 37 description: delay after reset sequence [ms] 38 39 panel-width-mm: 40 description: physical panel width [mm] 41 42 panel-height-mm: 43 description: physical panel height [mm] 44 45required: 46 - compatible 47 - reg 48 - vdd3-supply 49 - vci-supply 50 - reset-gpios 51 - display-timings 52 53unevaluatedProperties: false 54 55examples: 56 - | 57 spi { 58 #address-cells = <1>; 59 #size-cells = <0>; 60 61 lcd@0 { 62 compatible = "samsung,ld9040"; 63 64 reg = <0>; 65 vdd3-supply = <&ldo7_reg>; 66 vci-supply = <&ldo17_reg>; 67 reset-gpios = <&gpy4 5 0>; 68 spi-max-frequency = <1200000>; 69 spi-cpol; 70 spi-cpha; 71 power-on-delay = <10>; 72 reset-delay = <10>; 73 panel-width-mm = <90>; 74 panel-height-mm = <154>; 75 76 display-timings { 77 timing { 78 clock-frequency = <23492370>; 79 hactive = <480>; 80 vactive = <800>; 81 hback-porch = <16>; 82 hfront-porch = <16>; 83 vback-porch = <2>; 84 vfront-porch = <28>; 85 hsync-len = <2>; 86 vsync-len = <1>; 87 hsync-active = <0>; 88 vsync-active = <0>; 89 de-active = <0>; 90 pixelclk-active = <0>; 91 }; 92 }; 93 94 port { 95 lcd_ep: endpoint { 96 remote-endpoint = <&fimd_dpi_ep>; 97 }; 98 }; 99 }; 100 }; 101 102... 103