alistair23-linux/arch/arm/boot/dts/at91sam9x5cm.dtsi
Boris Brezillon 1004a2977b ARM: dts: at91: Switch to the new NAND bindings
Use the new EBI/NAND bindings to declare NAND chips and remove old NAND
nodes along the way.

Note that we keep using old bindings in at91rm9200.dtsi because this
SoC is not supported by the EBI driver.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Tested-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-05-31 11:55:41 +02:00

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/*
* at91sam9x5cm.dtsi - Device Tree Include file for AT91SAM9x5 CPU Module
*
* Copyright (C) 2012 Atmel,
* 2012 Nicolas Ferre <nicolas.ferre@atmel.com>
*
* Licensed under GPLv2 or later.
*/
/ {
memory {
reg = <0x20000000 0x8000000>;
};
clocks {
slow_xtal {
clock-frequency = <32768>;
};
main_xtal {
clock-frequency = <12000000>;
};
};
ahb {
apb {
pinctrl@fffff400 {
1wire_cm {
pinctrl_1wire_cm: 1wire_cm-0 {
atmel,pins = <AT91_PIOB 18 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PB18 multidrive, conflicts with led */
};
};
};
rtc@fffffeb0 {
status = "okay";
};
};
ebi: ebi@10000000 {
pinctrl-0 = <&pinctrl_ebi_addr_nand
&pinctrl_ebi_data_0_7>;
pinctrl-names = "default";
status = "okay";
nand_controller: nand-controller {
status = "okay";
pinctrl-0 = <&pinctrl_nand_oe_we
&pinctrl_nand_cs
&pinctrl_nand_rb>;
pinctrl-names = "default";
nand@3 {
reg = <0x3 0x0 0x800000>;
rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
nand-bus-width = <8>;
nand-ecc-mode = "hw";
nand-ecc-strength = <2>;
nand-ecc-step-size = <512>;
nand-on-flash-bbt;
label = "atmel_nand";
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
at91bootstrap@0 {
label = "at91bootstrap";
reg = <0x0 0x40000>;
};
uboot@40000 {
label = "u-boot";
reg = <0x40000 0x80000>;
};
ubootenv@c0000 {
label = "U-Boot Env";
reg = <0xc0000 0x140000>;
};
kernel@200000 {
label = "kernel";
reg = <0x200000 0x600000>;
};
rootfs@800000 {
label = "rootfs";
reg = <0x800000 0x1f800000>;
};
};
};
};
};
};
leds {
compatible = "gpio-leds";
pb18 {
label = "pb18";
gpios = <&pioB 18 GPIO_ACTIVE_LOW>;
linux,default-trigger = "heartbeat";
};
pd21 {
label = "pd21";
gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
};
};
1wire_cm {
compatible = "w1-gpio";
gpios = <&pioB 18 GPIO_ACTIVE_HIGH>;
linux,open-drain;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_1wire_cm>;
status = "okay";
};
};