1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/display/panel/samsung,s6d27a1.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Samsung S6D27A1 display panel
8
9 description: The S6D27A1 is a 480x800 DPI display panel from Samsung Mobile
10 Displays (SMD).
11
12 maintainers:
13 - Markuss Broks <markuss.broks@gmail.com>
14
15 allOf:
16 - $ref: panel-common.yaml#
17 - $ref: /schemas/spi/spi-peripheral-props.yaml#
18
19 properties:
20 compatible:
21 const: samsung,s6d27a1
22
23 reg:
24 maxItems: 1
25
26 interrupts:
27 description: provides an optional ESD (electrostatic discharge)
28 interrupt that signals abnormalities in the display hardware.
29 This can also be raised for other reasons like erroneous
30 configuration.
31 maxItems: 1
32
33 reset-gpios: true
34
35 vci-supply:
36 description: regulator that supplies the VCI analog voltage
37 usually around 3.0 V
38
39 vccio-supply:
40 description: regulator that supplies the VCCIO voltage usually
41 around 1.8 V
42
43 backlight: true
44
45 spi-cpha: true
46
47 spi-cpol: true
48
49 spi-max-frequency:
50 maximum: 1200000
51
52 port: true
53
54 required:
55 - compatible
56 - reg
57 - vci-supply
58 - vccio-supply
59 - spi-cpha
60 - spi-cpol
61 - port
62
63 unevaluatedProperties: false
64
65 examples:
66 - |
67 #include <dt-bindings/gpio/gpio.h>
68 #include <dt-bindings/interrupt-controller/irq.h>
69
70 spi {
71 compatible = "spi-gpio";
72 sck-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
73 miso-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
74 mosi-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>;
75 cs-gpios = <&gpio 3 GPIO_ACTIVE_HIGH>;
76 num-chipselects = <1>;
77 #address-cells = <1>;
78 #size-cells = <0>;
79 panel@0 {
80 compatible = "samsung,s6d27a1";
81 spi-max-frequency = <1200000>;
82 spi-cpha;
83 spi-cpol;
84 reg = <0>;
85 vci-supply = <&lcd_3v0_reg>;
86 vccio-supply = <&lcd_1v8_reg>;
87 reset-gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
88 interrupt-parent = <&gpio>;
89 interrupts = <5 IRQ_TYPE_EDGE_RISING>;
90
91 port {
92 panel_in: endpoint {
93 remote-endpoint = <&display_out>;
94 };
95 };
96 };
97 };
98
99 ...
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