blob: cd62968426fb5b51d415f9ff4df975c3ffc8b343 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/panel/samsung,lms397kf04.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Samsung LMS397KF04 display panel
description: The datasheet claims this is based around a display controller
named DB7430 with a separate backlight controller.
maintainers:
- Linus Walleij <linus.walleij@linaro.org>
allOf:
- $ref: panel-common.yaml#
properties:
compatible:
const: samsung,lms397kf04
reg: true
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:
description: inherited as a SPI client node, the datasheet specifies
maximum 300 ns minimum cycle which gives around 3 MHz max frequency
maximum: 3000000
port: true
required:
- compatible
- reg
- spi-cpha
- spi-cpol
- port
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.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,lms397kf04";
spi-max-frequency = <3000000>;
spi-cpha;
spi-cpol;
reg = <0>;
vci-supply = <&lcd_3v0_reg>;
vccio-supply = <&lcd_1v8_reg>;
reset-gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
backlight = <&ktd259>;
port {
panel_in: endpoint {
remote-endpoint = <&display_out>;
};
};
};
};
...
|
