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// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree for the ST Microelectronics Nomadik NHK8815 board
*/
/dts-v1/;
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>
#include "ste-nomadik-stn8815.dtsi"
/ {
model = "Nomadik STN8815NHK";
compatible = "st,nomadik-nhk-15";
chosen {
bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk";
};
aliases {
serial0 = &uart0;
serial1 = &uart1;
stmpe-i2c0 = &stmpe0;
stmpe-i2c1 = &stmpe1;
};
pinctrl {
uart0 {
uart0_nhk_mode: uart0_mux {
u0_default_mux {
function = "u0";
groups = "u0txrx_a_1", "u0ctsrts_a_1";
};
};
};
stmpe2401_1 {
stmpe2401_1_nhk_mode: stmpe2401_1_nhk {
nhk_cfg1 {
pins = "GPIO76_B20"; // IRQ line
ste,input = <0>;
};
nhk_cfg2 {
pins = "GPIO77_B8"; // reset line
ste,output = <1>;
};
};
};
stmpe2401_2 {
stmpe2401_2_nhk_mode: stmpe2401_2_nhk {
nhk_cfg1 {
pins = "GPIO78_A8"; // IRQ line
ste,input = <0>;
};
nhk_cfg2 {
pins = "GPIO79_C9"; // reset line
ste,output = <1>;
};
};
};
lis3lv02dl {
lis3lv02dl_nhk_mode: lis3lv02dl_nhk {
nhk_cfg1 {
pins = "GPIO82_C10"; // IRQ line
ste,input = <0>;
};
};
};
};
src@101e0000 {
/* These chrystal outputs are not used on this board */
disable-sxtalo;
disable-mxtalo;
};
/* This is where the interrupt is routed on the NHK-15 debug board */
external-bus@34000000 {
compatible = "simple-bus";
reg = <0x34000000 0x1000000>;
#address-cells = <1>;
#size-cells = <1>;
ranges = <0 0x34000000 0x1000000>;
ethernet@300 {
compatible = "smsc,lan91c111";
reg = <0x300 0x0fd00>;
reg-io-width = <2>;
reset-gpios = <&stmpe_gpio44 10 GPIO_ACTIVE_HIGH>;
interrupt-parent = <&stmpe_gpio44>;
interrupts = <11 IRQ_TYPE_EDGE_RISING>;
};
};
i2c0 {
lis3lv02dl@1d {
/* Accelerometer */
compatible = "st,lis3lv02dl-accel";
interrupt-parent = <&gpio2>;
interrupts = <18 IRQ_TYPE_EDGE_RISING>; // GPIO 82
pinctrl-0 = <&lis3lv02dl_nhk_mode>;
pinctrl-names = "default";
reg = <0x1d>;
};
stmpe0: stmpe2401@43 {
compatible = "st,stmpe2401";
reg = <0x43>;
reset-gpios = <&gpio2 13 GPIO_ACTIVE_LOW>; // GPIO77
interrupts = <12 IRQ_TYPE_EDGE_FALLING>; // GPIO76
interrupt-parent = <&gpio2>;
interrupt-controller;
wakeup-source;
pinctrl-names = "default";
pinctrl-0 = <&stmpe2401_1_nhk_mode>;
stmpe_gpio43: stmpe_gpio {
compatible = "st,stmpe-gpio";
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
/* Some pins in alternate functions */
st,norequest-mask = <0xf0f002>;
};
stmpe_keypad {
compatible = "st,stmpe-keypad";
debounce-interval = <64>;
st,scan-count = <8>;
st,no-autorepeat;
keypad,num-rows = <8>;
keypad,num-columns = <8>;
linux,keymap = <0x00020072 // Vol down
0x00030073 // Vol up
0x0100009e // Back
0x010100e3 // TV out
0x01020098 // Lock
0x0103013b // Start
0x020000a3 // Next
0x020100a4 // Play
0x020200a5 // Prev
0x02030160 // OK
0x03000069 // Left
0x0301006a // Right
0x03020067 // Up
0x0303006c>; // Down
};
stmpe0_pwm: stmpe_pwm {
compatible = "st,stmpe-pwm";
#pwm-cells = <2>;
};
};
stmpe1: stmpe2401@44 {
compatible = "st,stmpe2401";
reg = <0x44>;
reset-gpios = <&gpio2 15 GPIO_ACTIVE_LOW>; // GPIO79
interrupts = <14 IRQ_TYPE_EDGE_FALLING>; // GPIO78
interrupt-parent = <&gpio2>;
interrupt-controller;
wakeup-source;
pinctrl-names = "default";
pinctrl-0 = <&stmpe2401_2_nhk_mode>;
stmpe_gpio44: stmpe_gpio {
compatible = "st,stmpe-gpio";
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
/*
* This will turn off SATA so that MMC/SD
* can thrive
*/
mmcsd-gpio {
gpio-hog;
gpios = <2 0x0>;
output-low;
line-name = "SATA EN";
};
};
};
};
amba {
clcd@10120000 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&clcd_24bit_mux>;
port {
nomadik_clcd: endpoint {
remote-endpoint = <&nomadik_clcd_panel>;
arm,pl11x,tft-r0g0b0-pads = <16 8 0>;
};
};
};
/* Activate RX/TX and CTS/RTS on UART 0 */
uart0: uart@101fd000 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_nhk_mode>;
status = "okay";
};
mmcsd: sdi@101f6000 {
cd-gpios = <&stmpe_gpio44 7 GPIO_ACTIVE_LOW>;
wp-gpios = <&stmpe_gpio44 18 GPIO_ACTIVE_HIGH>;
};
};
spi {
compatible = "spi-gpio";
#address-cells = <1>;
#size-cells = <0>;
/*
* As we're dealing with 3wire SPI, we only define SCK
* and MOSI (in the spec MOSI is called "SDA").
*/
gpio-sck = <&gpio0 5 GPIO_ACTIVE_HIGH>;
gpio-mosi = <&gpio0 4 GPIO_ACTIVE_HIGH>;
cs-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
num-chipselects = <1>;
/*
* WVGA connector 21
* WVGA (800x480): 4.3" TPG110 TDO43MTEA2 24-bit RGB
* with TPO touch screen.
*/
panel: display@0 {
/*
* The TPO display driver is connected to a
* 5.7" OSD OSD057VA01CT TFT display.
*/
compatible = "tpo,tpg110";
reg = <0>;
spi-3wire;
/* 320 ns min period ~= 3 MHz */
spi-max-frequency = <3000000>;
/* Width and height from the OSD data sheet */
width-mm = <116>;
height-mm = <87>;
grestb-gpios = <&stmpe_gpio44 5 GPIO_ACTIVE_LOW>;
backlight = <&bl>;
port {
nomadik_clcd_panel: endpoint {
remote-endpoint = <&nomadik_clcd>;
};
};
};
};
bl: backlight {
compatible = "pwm-backlight";
pwms = <&stmpe0_pwm 0 500000>;
pwm-names = "backlight";
brightness-levels = <
0 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 89
90 91 92 93 94 95 96 97 98 99
100
>;
default-brightness-level = <100>;
};
};
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