forked from Minki/linux
e6f7991660
Enable wm8904 codec on at91sam9n12ek board, which is connect to i2c0 bus with 0x1a as address. Signed-off-by: Bo Shen <voice.shen@atmel.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
151 lines
2.7 KiB
Plaintext
151 lines
2.7 KiB
Plaintext
/*
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* at91sam9n12ek.dts - Device Tree file for AT91SAM9N12-EK board
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*
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* Copyright (C) 2012 Atmel,
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* 2012 Hong Xu <hong.xu@atmel.com>
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*
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* Licensed under GPLv2 or later.
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*/
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/dts-v1/;
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#include "at91sam9n12.dtsi"
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/ {
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model = "Atmel AT91SAM9N12-EK";
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compatible = "atmel,at91sam9n12ek", "atmel,at91sam9n12", "atmel,at91sam9";
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chosen {
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bootargs = "console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=jffs2";
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};
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memory {
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reg = <0x20000000 0x8000000>;
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};
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clocks {
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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main_clock: clock@0 {
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compatible = "atmel,osc", "fixed-clock";
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clock-frequency = <16000000>;
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};
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};
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ahb {
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apb {
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dbgu: serial@fffff200 {
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status = "okay";
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};
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i2c0: i2c@f8010000 {
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status = "okay";
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wm8904: codec@1a {
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compatible = "wm8904";
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reg = <0x1a>;
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};
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qt1070: keyboard@1b {
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compatible = "qt1070";
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reg = <0x1b>;
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interrupt-parent = <&pioA>;
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interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_qt1070_irq>;
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};
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};
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i2c1: i2c@f8014000 {
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status = "okay";
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};
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mmc0: mmc@f0008000 {
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pinctrl-0 = <
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&pinctrl_board_mmc0
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&pinctrl_mmc0_slot0_clk_cmd_dat0
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&pinctrl_mmc0_slot0_dat1_3>;
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status = "okay";
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slot@0 {
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reg = <0>;
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bus-width = <4>;
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cd-gpios = <&pioA 7 GPIO_ACTIVE_HIGH>;
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};
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};
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pinctrl@fffff400 {
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mmc0 {
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pinctrl_board_mmc0: mmc0-board {
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atmel,pins =
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<AT91_PIOA 7 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PA7 gpio CD pin pull up and deglitch */
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};
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};
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qt1070 {
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pinctrl_qt1070_irq: qt1070_irq {
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atmel,pins =
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<AT91_PIOA 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
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};
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};
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};
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spi0: spi@f0000000 {
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status = "okay";
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cs-gpios = <&pioA 14 0>, <0>, <0>, <0>;
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m25p80@0 {
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compatible = "atmel,at25df321a";
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spi-max-frequency = <50000000>;
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reg = <0>;
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};
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};
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watchdog@fffffe40 {
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status = "okay";
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};
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};
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nand0: nand@40000000 {
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nand-bus-width = <8>;
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nand-ecc-mode = "hw";
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atmel,has-pmecc;
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atmel,pmecc-cap = <2>;
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atmel,pmecc-sector-size = <512>;
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nand-on-flash-bbt;
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status = "okay";
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};
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};
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leds {
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compatible = "gpio-leds";
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d8 {
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label = "d8";
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gpios = <&pioB 4 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "mmc0";
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};
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d9 {
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label = "d6";
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gpios = <&pioB 5 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "nand-disk";
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};
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d10 {
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label = "d7";
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gpios = <&pioB 6 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "heartbeat";
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};
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};
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gpio_keys {
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compatible = "gpio-keys";
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enter {
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label = "Enter";
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gpios = <&pioB 3 GPIO_ACTIVE_LOW>;
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linux,code = <28>;
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gpio-key,wakeup;
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};
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};
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};
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