linux/arch/arm/boot/dts/at91sam9g20ek_common.dtsi
Jean-Christophe PLAGNIOL-VILLARD e483341ce8 ARM: at91: remove pinctrl conflict between mmc and SPI for at91sam9g20ek
These MMC and SPI buses can't be configured at the same time because they
share the same traces on the EK board.

Reported-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-10-18 16:50:13 +02:00

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/*
* at91sam9g20ek_common.dtsi - Device Tree file for Atmel at91sam9g20ek board
*
* Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
*
* Licensed under GPLv2.
*/
#include "at91sam9g20.dtsi"
/ {
chosen {
bootargs = "mem=64M console=ttyS0,115200 root=/dev/mtdblock5 rw rootfstype=ubifs";
};
memory {
reg = <0x20000000 0x4000000>;
};
clocks {
#address-cells = <1>;
#size-cells = <1>;
ranges;
main_clock: clock@0 {
compatible = "atmel,osc", "fixed-clock";
clock-frequency = <18432000>;
};
};
ahb {
apb {
pinctrl@fffff400 {
board {
pinctrl_pck0_as_mck: pck0_as_mck {
atmel,pins =
<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC1 periph B */
};
};
mmc0_slot1 {
pinctrl_board_mmc0_slot1: mmc0_slot1-board {
atmel,pins =
<AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC9 gpio CD pin pull up and deglitch */
};
};
};
dbgu: serial@fffff200 {
status = "okay";
};
usart0: serial@fffb0000 {
pinctrl-0 =
<&pinctrl_usart0
&pinctrl_usart0_rts
&pinctrl_usart0_cts
&pinctrl_usart0_dtr_dsr
&pinctrl_usart0_dcd
&pinctrl_usart0_ri>;
status = "okay";
};
usart1: serial@fffb4000 {
status = "okay";
};
macb0: ethernet@fffc4000 {
phy-mode = "rmii";
status = "okay";
};
usb1: gadget@fffa4000 {
atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
status = "okay";
};
mmc0: mmc@fffa8000 {
pinctrl-0 = <
&pinctrl_board_mmc0_slot1
&pinctrl_mmc0_clk
&pinctrl_mmc0_slot1_cmd_dat0
&pinctrl_mmc0_slot1_dat1_3>;
status = "okay";
slot@1 {
reg = <1>;
bus-width = <4>;
cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
};
};
ssc0: ssc@fffbc000 {
status = "okay";
pinctrl-0 = <&pinctrl_ssc0_tx>;
};
spi0: spi@fffc8000 {
cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
mtd_dataflash@0 {
compatible = "atmel,at45", "atmel,dataflash";
spi-max-frequency = <50000000>;
reg = <1>;
};
};
watchdog@fffffd40 {
status = "okay";
};
};
nand0: nand@40000000 {
nand-bus-width = <8>;
nand-ecc-mode = "soft";
nand-on-flash-bbt;
status = "okay";
at91bootstrap@0 {
label = "at91bootstrap";
reg = <0x0 0x20000>;
};
barebox@20000 {
label = "barebox";
reg = <0x20000 0x40000>;
};
bareboxenv@60000 {
label = "bareboxenv";
reg = <0x60000 0x20000>;
};
bareboxenv2@80000 {
label = "bareboxenv2";
reg = <0x80000 0x20000>;
};
oftree@80000 {
label = "oftree";
reg = <0xa0000 0x20000>;
};
kernel@a0000 {
label = "kernel";
reg = <0xc0000 0x400000>;
};
rootfs@4a0000 {
label = "rootfs";
reg = <0x4c0000 0x7800000>;
};
data@7ca0000 {
label = "data";
reg = <0x7cc0000 0x8340000>;
};
};
usb0: ohci@00500000 {
num-ports = <2>;
status = "okay";
};
};
i2c@0 {
status = "okay";
24c512@50 {
compatible = "24c512";
reg = <0x50>;
};
wm8731: wm8731@1b {
compatible = "wm8731";
reg = <0x1b>;
};
};
gpio_keys {
compatible = "gpio-keys";
btn3 {
label = "Button 3";
gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
linux,code = <0x103>;
gpio-key,wakeup;
};
btn4 {
label = "Button 4";
gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
linux,code = <0x104>;
gpio-key,wakeup;
};
};
sound {
compatible = "atmel,at91sam9g20ek-wm8731-audio";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pck0_as_mck>;
atmel,model = "wm8731 @ AT91SAMG20EK";
atmel,audio-routing =
"Ext Spk", "LHPOUT",
"Int Mic", "MICIN";
atmel,ssc-controller = <&ssc0>;
atmel,audio-codec = <&wm8731>;
};
};