| # 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 <a.hajda@samsung.com> |
| |
| 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>; |
| }; |
| }; |
| }; |
| }; |
| |
| ... |
