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| -rw-r--r-- | Documentation/devicetree/bindings/display/panel/samsung,ld9040.txt | 66 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/display/panel/samsung,ld9040.yaml | 107 |
2 files changed, 107 insertions, 66 deletions
diff --git a/Documentation/devicetree/bindings/display/panel/samsung,ld9040.txt b/Documentation/devicetree/bindings/display/panel/samsung,ld9040.txt deleted file mode 100644 index 354d4d1df4ff..000000000000 --- a/Documentation/devicetree/bindings/display/panel/samsung,ld9040.txt +++ /dev/null @@ -1,66 +0,0 @@ -Samsung LD9040 AMOLED LCD parallel RGB panel with SPI control bus - -Required properties: - - compatible: "samsung,ld9040" - - reg: address of the panel on SPI bus - - vdd3-supply: core voltage supply - - vci-supply: voltage supply for analog circuits - - reset-gpios: a GPIO spec for the reset pin - - display-timings: timings for the connected panel according to [1] - -The panel must obey rules for SPI slave device specified in document [2]. - -Optional properties: - - power-on-delay: delay after turning regulators on [ms] - - reset-delay: delay after reset sequence [ms] - - panel-width-mm: physical panel width [mm] - - panel-height-mm: physical panel height [mm] - -The device node can contain one 'port' child node with one child -'endpoint' node, according to the bindings defined in [3]. This -node should describe panel's video bus. - -[1]: Documentation/devicetree/bindings/display/panel/display-timing.txt -[2]: Documentation/devicetree/bindings/spi/spi-bus.txt -[3]: Documentation/devicetree/bindings/media/video-interfaces.txt - -Example: - - 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>; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/display/panel/samsung,ld9040.yaml b/Documentation/devicetree/bindings/display/panel/samsung,ld9040.yaml new file mode 100644 index 000000000000..060ee27a4749 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/samsung,ld9040.yaml @@ -0,0 +1,107 @@ +# 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 + +description: | + The panel must obey the rules for a SPI slave device as specified in + spi/spi-controller.yaml + +maintainers: + - Andrzej Hajda <a.hajda@samsung.com> + +allOf: + - $ref: panel-common.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] + +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"; + #address-cells = <1>; + #size-cells = <0>; + + 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>; + }; + }; + }; + }; + +... |