This adds device-tree bindings for the Samsung S6D27A1 RGB DPI display panel. Signed-off-by: Markuss Broks <markuss.broks@xxxxxxxxx> v1 -> v2: changed additionalProperties to unevaluatedProperties; added vci-supply and vccio-supply as required; --- .../display/panel/samsung,s6d27a1.yaml | 98 +++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/samsung,s6d27a1.yaml diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6d27a1.yaml b/Documentation/devicetree/bindings/display/panel/samsung,s6d27a1.yaml new file mode 100644 index 0000000000..26e3c820a2 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/samsung,s6d27a1.yaml @@ -0,0 +1,98 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/samsung,s6d27a1.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung S6D27A1 display panel + +description: The S6D27A1 is a 480x800 DPI display panel from Samsung Mobile + Displays (SMD). The panel must obey the rules for a SPI slave device + as specified in spi/spi-controller.yaml + +maintainers: + - Markuss Broks <markuss.broks@xxxxxxxxx> + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + const: samsung,s6d27a1 + + reg: true + + interrupts: + description: provides an optional ESD (electrostatic discharge) + interrupt that signals abnormalities in the display hardware. + This can also be raised for other reasons like erroneous + configuration. + maxItems: 1 + + reset-gpios: true + + vci-supply: + description: regulator that supplies the VCI analog voltage + usually around 3.0 V + + vccio-supply: + description: regulator that supplies the VCCIO voltage usually + around 1.8 V + + backlight: true + + spi-cpha: true + + spi-cpol: true + + spi-max-frequency: + maximum: 1200000 + + port: true + +required: + - compatible + - reg + - vci-supply + - vccio-supply + - spi-cpha + - spi-cpol + - port + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + spi { + compatible = "spi-gpio"; + sck-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>; + miso-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>; + mosi-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>; + cs-gpios = <&gpio 3 GPIO_ACTIVE_HIGH>; + num-chipselects = <1>; + #address-cells = <1>; + #size-cells = <0>; + panel@0 { + compatible = "samsung,s6d27a1"; + spi-max-frequency = <1200000>; + spi-cpha; + spi-cpol; + reg = <0>; + vci-supply = <&lcd_3v0_reg>; + vccio-supply = <&lcd_1v8_reg>; + reset-gpios = <&gpio 4 GPIO_ACTIVE_LOW>; + interrupt-parent = <&gpio>; + interrupts = <5 IRQ_TYPE_EDGE_RISING>; + + port { + panel_in: endpoint { + remote-endpoint = <&display_out>; + }; + }; + }; + }; + +... -- 2.32.0
