linux/arch/arm/boot/dts/ste-nomadik-nhk15.dts
Linus Walleij e249fc7d9b ARM: dts: nomadik: add accelerometer IRQ and pin setting
The LIS3LV02DL accelerometer on the Nomadik NHK15 can generate
IRQs by the DRDY line. Map this in the DTS file and set up the
pin as input to the SoC.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-14 21:47:05 +02:00

187 lines
4.2 KiB
Plaintext

/*
* Device Tree for the ST-Ericsson Nomadik S8815 board
* Produced by Calao Systems
*/
/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
};
};
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 {
/* 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>;
};
};
};