1 // SPDX-License-Identifier: GPL-2.0-or-later
2
3 #include "ep7211.dtsi"
4 #include <dt-bindings/gpio/gpio.h>
5
6 / {
7 model = "Cirrus Logic EP7211 Development Board";
8 compatible = "cirrus,edb7211", "cirrus,ep7211", "cirrus,ep7209";
9
10 memory@c0000000 {
11 device_type = "memory";
12 reg = <0xc0000000 0x02000000>;
13 };
14
15 backlight: backlight {
16 compatible = "pwm-backlight";
17 pwms = <&pwm 0>;
18 brightness-levels = <
19 0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7
20 0x8 0x9 0xa 0xb 0xc 0xd 0xe 0xf
21 >;
22 default-brightness-level = <0x0>;
23 power-supply = <&blen>;
24 };
25
26 display: display {
27 model = "320x240x4";
28 bits-per-pixel = <4>;
29 ac-prescale = <17>;
30
31 display-timings {
32 native-mode = <&timing0>;
33 timing0: timing-320x240 {
34 hactive = <320>;
35 hback-porch = <0>;
36 hfront-porch = <0>;
37 hsync-len = <0>;
38 vactive = <240>;
39 vback-porch = <0>;
40 vfront-porch = <0>;
41 vsync-len = <0>;
42 clock-frequency = <6500000>;
43 };
44 };
45 };
46
47 i2c: i2c {
48 compatible = "i2c-gpio";
49 gpios = <&portd 4 GPIO_ACTIVE_HIGH>,
50 <&portd 5 GPIO_ACTIVE_HIGH>;
51 i2c-gpio,delay-us = <2>;
52 i2c-gpio,scl-output-only;
53 #address-cells = <1>;
54 #size-cells = <0>;
55 };
56
57 lcddc: lcddc {
58 compatible = "regulator-fixed";
59 regulator-name = "BACKLIGHT ENABLE";
60 regulator-min-microvolt = <3300000>;
61 regulator-max-microvolt = <3300000>;
62 gpio = <&portd 1 GPIO_ACTIVE_HIGH>;
63 };
64
65 blen: blen {
66 compatible = "regulator-fixed";
67 regulator-name = "BACKLIGHT ENABLE";
68 regulator-min-microvolt = <3300000>;
69 regulator-max-microvolt = <3300000>;
70 gpio = <&portd 3 GPIO_ACTIVE_HIGH>;
71 };
72 };
73
74 &bus {
75 flash: nor@0 {
76 compatible = "cfi-flash";
77 reg = <0 0x00000000 0x02000000>;
78 bank-width = <2>;
79 #address-cells = <1>;
80 #size-cells = <1>;
81 };
82 };
83
84 &fb {
85 display = <&display>;
86 lcd-supply = <&lcddc>;
87 status = "okay";
88 };
89
90 &portd {
91 lcden {
92 gpio-hog;
93 gpios = <2 GPIO_ACTIVE_HIGH>;
94 output-high;
95 line-name = "LCD ENABLE";
96 };
97 };
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