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Commit 451f2334 authored by Linus Walleij's avatar Linus Walleij
Browse files

ARM: nomadik: device tree for NHK15 board 



This adds a device tree for the Nomadik NHK15 development kit
board.

Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 98ba16bb

Documentation/devicetree/bindings/arm/ste-nomadik.txt

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Original line number Diff line number Diff line
@@ -10,6 +10,12 @@ Required root node property: src 


Boards with the Nomadik SoC include:



Nomadik NHK-15 board manufactured by ST Microelectronics:



Required root node property:



compatible="st,nomadik-nhk-15";



S8815 "MiniKit" manufactured by Calao Systems:



Required root node property:

arch/arm/boot/dts/Makefile

+2 −1
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@@ -274,7 +274,8 @@ dtb-$(CONFIG_ARCH_MXS) += imx23-evk.dtb \ 
	imx28-m28evk.dtb \

	imx28-sps1.dtb \

	imx28-tx28.dtb

dtb-$(CONFIG_ARCH_NOMADIK) += ste-nomadik-s8815.dtb

dtb-$(CONFIG_ARCH_NOMADIK) += ste-nomadik-s8815.dtb \

	ste-nomadik-nhk15.dtb

dtb-$(CONFIG_ARCH_NSPIRE) += nspire-cx.dtb \

	nspire-tp.dtb \

	nspire-clp.dtb

arch/arm/boot/dts/ste-nomadik-nhk15.dts

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+151 −0
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/*

 * 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 {

		stmpe-i2c0 = &stmpe0;

		stmpe-i2c1 = &stmpe1;

	};



	pinctrl {

		stmpe2401_1 {

			stmpe2401_1_nhk_mode: stmpe2401_1_nhk {

				nhk_cfg1 {

					ste,pins = "GPIO76_B20"; // IRQ line

					ste,input = <0>;

				};

				nhk_cfg2 {

					ste,pins = "GPIO77_B8"; // reset line

					ste,output = <1>;

				};

			};

		};

		stmpe2401_2 {

			stmpe2401_2_nhk_mode: stmpe2401_2_nhk {

				nhk_cfg1 {

					ste,pins = "GPIO78_A8"; // IRQ line

					ste,input = <0>;

				};

				nhk_cfg2 {

					ste,pins = "GPIO79_C9"; // reset line

					ste,output = <1>;

				};

			};

		};

	};



	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 {

		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>;

			};

		};

	};



	amba {

		mmcsd: sdi@101f6000 {

			cd-gpios = <&stmpe_gpio44 7 GPIO_ACTIVE_LOW>;

			wp-gpios = <&stmpe_gpio44 18 GPIO_ACTIVE_HIGH>;

		};

	};



	/* Custom board node with GPIO pins to active etc */

	usb-s8815 {

		/* This will turn off SATA so that MMC/SD can thrive */

		mmcsd-gpio {

			gpios = <&stmpe_gpio44 2 0x1>;

		};

	};

};

arch/arm/mach-nomadik/cpu-8815.c

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@@ -144,6 +144,7 @@ static int __init cpu8815_mmcsd_init(void) 
device_initcall(cpu8815_mmcsd_init);



static const char * cpu8815_board_compat[] = {

	"st,nomadik-nhk-15",

	"calaosystems,usb-s8815",

	NULL,

};