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linux
ARM: nomadik: device tree for NHK15 board
This adds a device tree for the Nomadik NHK15 development kit
board.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Documentation/devicetree/bindings/arm/ste-nomadik.txt
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Documentation/devicetree/bindings/arm/ste-nomadik.txt
···
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Boards with the Nomadik SoC include:
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Nomadik NHK-15 board manufactured by ST Microelectronics:
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Required root node property:
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compatible="st,nomadik-nhk-15";
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S8815 "MiniKit" manufactured by Calao Systems:
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Required root node property:
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arch/arm/boot/dts/Makefile
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arch/arm/boot/dts/Makefile
···
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imx28-m28evk.dtb \
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imx28-sps1.dtb \
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imx28-tx28.dtb
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dtb-$(CONFIG_ARCH_NOMADIK) += ste-nomadik-s8815.dtb
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dtb-$(CONFIG_ARCH_NOMADIK) += ste-nomadik-s8815.dtb \
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ste-nomadik-nhk15.dtb
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dtb-$(CONFIG_ARCH_NSPIRE) += nspire-cx.dtb \
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nspire-tp.dtb \
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nspire-clp.dtb
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arch/arm/boot/dts/ste-nomadik-nhk15.dts
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arch/arm/boot/dts/ste-nomadik-nhk15.dts
···
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/*
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* Device Tree for the ST-Ericsson Nomadik S8815 board
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* Produced by Calao Systems
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*/
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/dts-v1/;
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/gpio/gpio.h>
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#include "ste-nomadik-stn8815.dtsi"
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/ {
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model = "Nomadik STN8815NHK";
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compatible = "st,nomadik-nhk-15";
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chosen {
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bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk";
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};
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aliases {
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stmpe-i2c0 = &stmpe0;
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stmpe-i2c1 = &stmpe1;
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};
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pinctrl {
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stmpe2401_1 {
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stmpe2401_1_nhk_mode: stmpe2401_1_nhk {
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nhk_cfg1 {
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ste,pins = "GPIO76_B20"; // IRQ line
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ste,input = <0>;
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};
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nhk_cfg2 {
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ste,pins = "GPIO77_B8"; // reset line
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ste,output = <1>;
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};
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};
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};
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stmpe2401_2 {
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stmpe2401_2_nhk_mode: stmpe2401_2_nhk {
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nhk_cfg1 {
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ste,pins = "GPIO78_A8"; // IRQ line
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ste,input = <0>;
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};
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nhk_cfg2 {
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ste,pins = "GPIO79_C9"; // reset line
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ste,output = <1>;
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};
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};
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};
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};
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src@101e0000 {
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/* These chrystal outputs are not used on this board */
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disable-sxtalo;
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disable-mxtalo;
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};
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/* This is where the interrupt is routed on the NHK-15 debug board */
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external-bus@34000000 {
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compatible = "simple-bus";
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reg = <0x34000000 0x1000000>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0 0x34000000 0x1000000>;
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ethernet@300 {
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compatible = "smsc,lan91c111";
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reg = <0x300 0x0fd00>;
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reg-io-width = <2>;
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reset-gpios = <&stmpe_gpio44 10 GPIO_ACTIVE_HIGH>;
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interrupt-parent = <&stmpe_gpio44>;
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interrupts = <11 IRQ_TYPE_EDGE_RISING>;
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};
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};
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i2c0 {
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stmpe0: stmpe2401@43 {
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compatible = "st,stmpe2401";
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reg = <0x43>;
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reset-gpios = <&gpio2 13 GPIO_ACTIVE_LOW>; // GPIO77
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interrupts = <12 IRQ_TYPE_EDGE_FALLING>; // GPIO76
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interrupt-parent = <&gpio2>;
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interrupt-controller;
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wakeup-source;
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pinctrl-names = "default";
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pinctrl-0 = <&stmpe2401_1_nhk_mode>;
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stmpe_gpio43: stmpe_gpio {
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compatible = "st,stmpe-gpio";
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-controller;
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#interrupt-cells = <2>;
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/* Some pins in alternate functions */
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st,norequest-mask = <0xf0f002>;
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};
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stmpe_keypad {
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compatible = "st,stmpe-keypad";
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debounce-interval = <64>;
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st,scan-count = <8>;
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st,no-autorepeat;
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keypad,num-rows = <8>;
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keypad,num-columns = <8>;
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linux,keymap = <0x00020072 // Vol down
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0x00030073 // Vol up
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0x0100009e // Back
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0x010100e3 // TV out
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0x01020098 // Lock
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0x0103013b // Start
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0x020000a3 // Next
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0x020100a4 // Play
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0x020200a5 // Prev
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0x02030160 // OK
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0x03000069 // Left
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0x0301006a // Right
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0x03020067 // Up
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0x0303006c>; // Down
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};
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};
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stmpe1: stmpe2401@44 {
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compatible = "st,stmpe2401";
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reg = <0x44>;
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reset-gpios = <&gpio2 15 GPIO_ACTIVE_LOW>; // GPIO79
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interrupts = <14 IRQ_TYPE_EDGE_FALLING>; // GPIO78
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interrupt-parent = <&gpio2>;
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interrupt-controller;
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wakeup-source;
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pinctrl-names = "default";
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pinctrl-0 = <&stmpe2401_2_nhk_mode>;
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stmpe_gpio44: stmpe_gpio {
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compatible = "st,stmpe-gpio";
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-controller;
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#interrupt-cells = <2>;
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};
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};
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};
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amba {
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mmcsd: sdi@101f6000 {
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cd-gpios = <&stmpe_gpio44 7 GPIO_ACTIVE_LOW>;
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wp-gpios = <&stmpe_gpio44 18 GPIO_ACTIVE_HIGH>;
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};
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};
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/* Custom board node with GPIO pins to active etc */
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usb-s8815 {
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/* This will turn off SATA so that MMC/SD can thrive */
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mmcsd-gpio {
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gpios = <&stmpe_gpio44 2 0x1>;
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};
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};
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};