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|
// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "jz4725b.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/iio/adc/ingenic,adc.h>
#include <dt-bindings/input/linux-event-codes.h>
/ {
compatible = "ylm,rs90", "ingenic,jz4725b";
model = "RS-90";
memory {
device_type = "memory";
reg = <0x0 0x2000000>;
};
reserved-memory {
#address-cells = <1>;
#size-cells = <1>;
ranges;
vmem: video-memory@1f00000 {
compatible = "shared-dma-pool";
reg = <0x1f00000 0x100000>;
reusable;
};
};
vcc: regulator {
compatible = "regulator-fixed";
regulator-name = "vcc";
regulaor-min-microvolt = <3300000>;
regulaor-max-microvolt = <3300000>;
regulator-always-on;
};
backlight: backlight {
compatible = "pwm-backlight";
pwms = <&pwm 3 40000 0>;
brightness-levels = <0 16 32 48 64 80 112 144 192 255>;
default-brightness-level = <8>;
pinctrl-names = "default";
pinctrl-0 = <&pins_pwm3>;
power-supply = <&vcc>;
};
keys@0 {
compatible = "gpio-keys";
key-0 {
label = "D-pad up";
linux,code = <KEY_UP>;
gpios = <&gpc 10 GPIO_ACTIVE_LOW>;
};
key-1 {
label = "D-pad down";
linux,code = <KEY_DOWN>;
gpios = <&gpc 11 GPIO_ACTIVE_LOW>;
};
key-2 {
label = "D-pad left";
linux,code = <KEY_LEFT>;
gpios = <&gpb 31 GPIO_ACTIVE_LOW>;
};
key-3 {
label = "D-pad right";
linux,code = <KEY_RIGHT>;
gpios = <&gpd 21 GPIO_ACTIVE_LOW>;
};
key-4 {
label = "Button A";
linux,code = <KEY_LEFTCTRL>;
gpios = <&gpc 31 GPIO_ACTIVE_LOW>;
};
key-5 {
label = "Button B";
linux,code = <KEY_LEFTALT>;
gpios = <&gpc 30 GPIO_ACTIVE_LOW>;
};
key-6 {
label = "Right shoulder button";
linux,code = <KEY_BACKSPACE>;
gpios = <&gpc 12 GPIO_ACTIVE_LOW>;
debounce-interval = <10>;
};
key-7 {
label = "Start button";
linux,code = <KEY_ENTER>;
gpios = <&gpd 17 GPIO_ACTIVE_LOW>;
};
};
keys@1 {
compatible = "adc-keys";
io-channels = <&adc INGENIC_ADC_AUX>;
io-channel-names = "buttons";
keyup-threshold-microvolt = <1400000>;
poll-interval = <30>;
key@0 {
label = "Left shoulder button";
linux,code = <KEY_TAB>;
press-threshold-microvolt = <800000>;
};
key@1 {
label = "Select button";
linux,code = <KEY_ESC>;
press-threshold-microvolt = <1100000>;
};
};
amp: analog-amplifier {
compatible = "simple-audio-amplifier";
enable-gpios = <&gpc 15 GPIO_ACTIVE_HIGH>;
VCC-supply = <&vcc>;
};
sound {
compatible = "simple-audio-card";
simple-audio-card,name = "rs90-audio";
simple-audio-card,format = "i2s";
simple-audio-card,widgets =
"Speaker", "Speaker",
"Headphone", "Headphones";
simple-audio-card,routing =
"INL", "LHPOUT",
"INR", "RHPOUT",
"Headphones", "LHPOUT",
"Headphones", "RHPOUT",
"Speaker", "OUTL",
"Speaker", "OUTR";
simple-audio-card,pin-switches = "Speaker";
simple-audio-card,hp-det-gpio = <&gpd 16 GPIO_ACTIVE_LOW>;
simple-audio-card,aux-devs = <&>;
simple-audio-card,bitclock-master = <&dai_codec>;
simple-audio-card,frame-master = <&dai_codec>;
dai_cpu: simple-audio-card,cpu {
sound-dai = <&aic>;
};
dai_codec: simple-audio-card,codec {
sound-dai = <&codec>;
};
};
usb_phy: usb-phy {
compatible = "usb-nop-xceiv";
#phy-cells = <0>;
clocks = <&cgu JZ4725B_CLK_UDC_PHY>;
clock-names = "main_clk";
vcc-supply = <&vcc>;
};
panel {
compatible = "sharp,ls020b1dd01d";
backlight = <&backlight>;
power-supply = <&vcc>;
port {
panel_input: endpoint {
remote-endpoint = <&panel_output>;
};
};
};
};
&ext {
clock-frequency = <12000000>;
};
&rtc_dev {
system-power-controller;
};
&udc {
phys = <&usb_phy>;
};
&pinctrl {
pins_mmc1: mmc1 {
function = "mmc1";
groups = "mmc1-1bit";
};
pins_nemc: nemc {
function = "nand";
groups = "nand-cs1", "nand-cle-ale", "nand-fre-fwe";
};
pins_pwm3: pwm3 {
function = "pwm3";
groups = "pwm3";
bias-disable;
};
pins_lcd: lcd {
function = "lcd";
groups = "lcd-8bit", "lcd-16bit", "lcd-special";
};
};
&mmc0 {
status = "disabled";
};
&mmc1 {
bus-width = <1>;
max-frequency = <48000000>;
pinctrl-names = "default";
pinctrl-0 = <&pins_mmc1>;
cd-gpios = <&gpc 20 GPIO_ACTIVE_LOW>;
};
&uart {
/*
* The pins for RX/TX are used for the right shoulder button and
* backlight PWM.
*/
status = "disabled";
};
&nemc {
nandc: nand-controller@1 {
compatible = "ingenic,jz4725b-nand";
reg = <1 0 0x4000000>;
#address-cells = <1>;
#size-cells = <0>;
ecc-engine = <&bch>;
ingenic,nemc-tAS = <10>;
ingenic,nemc-tAH = <5>;
ingenic,nemc-tBP = <10>;
ingenic,nemc-tAW = <15>;
ingenic,nemc-tSTRV = <100>;
pinctrl-names = "default";
pinctrl-0 = <&pins_nemc>;
rb-gpios = <&gpc 27 GPIO_ACTIVE_HIGH>;
nand@1 {
reg = <1>;
nand-ecc-step-size = <512>;
nand-ecc-strength = <8>;
nand-ecc-mode = "hw";
nand-is-boot-medium;
nand-on-flash-bbt;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "bootloader";
reg = <0x0 0x20000>;
};
partition@20000 {
label = "system";
reg = <0x20000 0x0>;
};
};
};
};
};
&cgu {
/* Use 32kHz oscillator as the parent of the RTC clock */
assigned-clocks = <&cgu JZ4725B_CLK_RTC>;
assigned-clock-parents = <&cgu JZ4725B_CLK_OSC32K>;
};
&tcu {
/*
* 750 kHz for the system timer and clocksource, and use RTC as the
* parent for the watchdog clock.
*/
assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>, <&tcu TCU_CLK_WDT>;
assigned-clock-parents = <0>, <0>, <&cgu JZ4725B_CLK_RTC>;
assigned-clock-rates = <750000>, <750000>;
};
&lcd {
memory-region = <&vmem>;
pinctrl-names = "default";
pinctrl-0 = <&pins_lcd>;
};
&lcd_ports {
port@0 {
reg = <0>;
panel_output: endpoint {
remote-endpoint = <&panel_input>;
};
};
};
|
