0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/display/panel/samsung,s6d27a1.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Samsung S6D27A1 display panel
0008
0009 description: The S6D27A1 is a 480x800 DPI display panel from Samsung Mobile
0010 Displays (SMD). The panel must obey the rules for a SPI slave device
0011 as specified in spi/spi-controller.yaml
0012
0013 maintainers:
0014 - Markuss Broks <markuss.broks@gmail.com>
0015
0016 allOf:
0017 - $ref: panel-common.yaml#
0018
0019 properties:
0020 compatible:
0021 const: samsung,s6d27a1
0022
0023 reg: true
0024
0025 interrupts:
0026 description: provides an optional ESD (electrostatic discharge)
0027 interrupt that signals abnormalities in the display hardware.
0028 This can also be raised for other reasons like erroneous
0029 configuration.
0030 maxItems: 1
0031
0032 reset-gpios: true
0033
0034 vci-supply:
0035 description: regulator that supplies the VCI analog voltage
0036 usually around 3.0 V
0037
0038 vccio-supply:
0039 description: regulator that supplies the VCCIO voltage usually
0040 around 1.8 V
0041
0042 backlight: true
0043
0044 spi-cpha: true
0045
0046 spi-cpol: true
0047
0048 spi-max-frequency:
0049 maximum: 1200000
0050
0051 port: true
0052
0053 required:
0054 - compatible
0055 - reg
0056 - vci-supply
0057 - vccio-supply
0058 - spi-cpha
0059 - spi-cpol
0060 - port
0061
0062 unevaluatedProperties: false
0063
0064 examples:
0065 - |
0066 #include <dt-bindings/gpio/gpio.h>
0067 #include <dt-bindings/interrupt-controller/irq.h>
0068
0069 spi {
0070 compatible = "spi-gpio";
0071 sck-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
0072 miso-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
0073 mosi-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>;
0074 cs-gpios = <&gpio 3 GPIO_ACTIVE_HIGH>;
0075 num-chipselects = <1>;
0076 #address-cells = <1>;
0077 #size-cells = <0>;
0078 panel@0 {
0079 compatible = "samsung,s6d27a1";
0080 spi-max-frequency = <1200000>;
0081 spi-cpha;
0082 spi-cpol;
0083 reg = <0>;
0084 vci-supply = <&lcd_3v0_reg>;
0085 vccio-supply = <&lcd_1v8_reg>;
0086 reset-gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
0087 interrupt-parent = <&gpio>;
0088 interrupts = <5 IRQ_TYPE_EDGE_RISING>;
0089
0090 port {
0091 panel_in: endpoint {
0092 remote-endpoint = <&display_out>;
0093 };
0094 };
0095 };
0096 };
0097
0098 ...
