| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| 7 | title: Samsung LD9040 AMOLED LCD parallel RGB panel with SPI control bus |
| 8 | |
| 9 | maintainers: |
| 10 | - Andrzej Hajda <a.hajda@samsung.com> |
| 11 | |
| 12 | allOf: |
| 13 | - $ref: panel-common.yaml# |
| 14 | - $ref: /schemas/spi/spi-peripheral-props.yaml# |
| 15 | |
| 16 | properties: |
| 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 | |
| 45 | spi-cpha: true |
| 46 | spi-cpol: true |
| 47 | |
| 48 | required: |
| 49 | - compatible |
| 50 | - reg |
| 51 | - vdd3-supply |
| 52 | - vci-supply |
| 53 | - reset-gpios |
| 54 | - display-timings |
| 55 | |
| 56 | unevaluatedProperties: false |
| 57 | |
| 58 | examples: |
| 59 | - | |
| 60 | spi { |
| 61 | #address-cells = <1>; |
| 62 | #size-cells = <0>; |
| 63 | |
| 64 | lcd@0 { |
| 65 | compatible = "samsung,ld9040"; |
| 66 | |
| 67 | reg = <0>; |
| 68 | vdd3-supply = <&ldo7_reg>; |
| 69 | vci-supply = <&ldo17_reg>; |
| 70 | reset-gpios = <&gpy4 5 0>; |
| 71 | spi-max-frequency = <1200000>; |
| 72 | spi-cpol; |
| 73 | spi-cpha; |
| 74 | power-on-delay = <10>; |
| 75 | reset-delay = <10>; |
| 76 | panel-width-mm = <90>; |
| 77 | panel-height-mm = <154>; |
| 78 | |
| 79 | display-timings { |
| 80 | timing { |
| 81 | clock-frequency = <23492370>; |
| 82 | hactive = <480>; |
| 83 | vactive = <800>; |
| 84 | hback-porch = <16>; |
| 85 | hfront-porch = <16>; |
| 86 | vback-porch = <2>; |
| 87 | vfront-porch = <28>; |
| 88 | hsync-len = <2>; |
| 89 | vsync-len = <1>; |
| 90 | hsync-active = <0>; |
| 91 | vsync-active = <0>; |
| 92 | de-active = <0>; |
| 93 | pixelclk-active = <0>; |
| 94 | }; |
| 95 | }; |
| 96 | |
| 97 | port { |
| 98 | lcd_ep: endpoint { |
| 99 | remote-endpoint = <&fimd_dpi_ep>; |
| 100 | }; |
| 101 | }; |
| 102 | }; |
| 103 | }; |
| 104 | |
| 105 | ... |