xref: /linux/Documentation/devicetree/bindings/display/panel/samsung,lms380kf01.yaml (revision 24bce201d79807b668bf9d9e0aca801c5c0d5f78) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/panel/samsung,lms380kf01.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Samsung LMS380KF01 display panel
8
9description: The LMS380KF01 is a 480x800 DPI display panel from Samsung Mobile
10  Displays (SMD) utilizing the WideChips WS2401 display controller. It can be
11  used with internal or external backlight control.
12  The panel must obey the rules for a SPI slave device as specified in
13  spi/spi-controller.yaml
14
15maintainers:
16  - Linus Walleij <linus.walleij@linaro.org>
17
18allOf:
19  - $ref: panel-common.yaml#
20
21properties:
22  compatible:
23    const: samsung,lms380kf01
24
25  reg: true
26
27  interrupts:
28    description: provides an optional ESD (electrostatic discharge)
29      interrupt that signals abnormalities in the display hardware.
30      This can also be raised for other reasons like erroneous
31      configuration.
32    maxItems: 1
33
34  reset-gpios: true
35
36  vci-supply:
37    description: regulator that supplies the VCI analog voltage
38      usually around 3.0 V
39
40  vccio-supply:
41    description: regulator that supplies the VCCIO voltage usually
42      around 1.8 V
43
44  backlight: true
45
46  spi-cpha: true
47
48  spi-cpol: true
49
50  spi-max-frequency:
51    maximum: 1200000
52
53  port: true
54
55required:
56  - compatible
57  - reg
58  - spi-cpha
59  - spi-cpol
60  - port
61
62additionalProperties: false
63
64examples:
65  - |
66    #include <dt-bindings/gpio/gpio.h>
67    #include <dt-bindings/interrupt-controller/irq.h>
68
69    spi {
70        compatible = "spi-gpio";
71        sck-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
72        miso-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
73        mosi-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>;
74        cs-gpios = <&gpio 3 GPIO_ACTIVE_HIGH>;
75        num-chipselects = <1>;
76        #address-cells = <1>;
77        #size-cells = <0>;
78
79        panel@0 {
80            compatible = "samsung,lms380kf01";
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...
100