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// SPDX-License-Identifier: ISC
/*
* Device Tree file for D-Link DSM-G600 revision A based on IXP420
* NOTE: revision B of this device uses PowerPC and is NOT supported by
* this device tree.
*
* Inspired by the boardfile by Rod Whitby, Tower Technologies, Alessandro Zummo
* and Michael Westerhof.
*/
/dts-v1/;
#include "intel-ixp42x.dtsi"
#include <dt-bindings/input/input.h>
/ {
model = "D-Link DSM-G600 rev A";
compatible = "dlink,dsm-g600-a", "intel,ixp42x";
#address-cells = <1>;
#size-cells = <1>;
memory@0 {
/* 64 MB SDRAM */
device_type = "memory";
reg = <0x00000000 0x4000000>;
};
chosen {
bootargs = "console=ttyS0,115200n8 root=/dev/sda1 rw rootwait";
stdout-path = "uart0:115200n8";
};
aliases {
serial0 = &uart0;
};
leds {
compatible = "gpio-leds";
led-power {
label = "dsmg600:green:power";
gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
default-state = "on";
linux,default-trigger = "heartbeat";
};
led-wlan {
label = "dsmg600:green:wlan";
/* CHECKME: flagged as active low in the old board file */
gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
default-state = "on";
/* We don't have WLAN trigger in the kernel (yet) */
linux,default-trigger = "netdev";
};
};
gpio_keys {
compatible = "gpio-keys";
button-reset {
wakeup-source;
linux,code = <KEY_RESTART>;
label = "reset";
gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
};
};
gpio_keys_polled {
compatible = "gpio-keys-polled";
/*
* According to the board file this key cannot handle interrupts and
* need to be polled. Investigate if this is really the case or if
* this can be moved adjacent to the ordinary gpio-keys above.
*/
button-power {
wakeup-source;
linux,code = <KEY_POWER>;
label = "power";
gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
};
};
i2c {
compatible = "i2c-gpio";
sda-gpios = <&gpio0 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
scl-gpios = <&gpio0 4 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
#address-cells = <1>;
#size-cells = <0>;
rtc@51 {
compatible = "nxp,pcf8563";
reg = <0x51>;
};
};
gpio-poweroff {
compatible = "gpio-poweroff";
gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
timeout-ms = <5000>;
};
soc {
bus@c4000000 {
/* The first 16MB region at CS0 on the expansion bus */
flash@0,0 {
compatible = "intel,ixp4xx-flash", "cfi-flash";
bank-width = <2>;
/*
* 16 MB of Flash in 128 0x20000 sized blocks
* mapped in at CS0.
*/
reg = <0 0x00000000 0x1000000>;
partitions {
compatible = "redboot-fis";
/*
* A boot log says the directory is at 0xfe0000
* 0x7f * 0x20000 = 0xfe0000
*/
fis-index-block = <0x7f>;
};
};
};
pci@c0000000 {
status = "okay";
/*
* Taken from DSM-G600 PCI boardfile (dsmg600-pci.c)
* We have slots (IDSEL) 1, 2, 3, 4 and pins 1, 2 and 3.
* Only slot 3 have three IRQs.
*/
#interrupt-cells = <1>;
interrupt-map-mask = <0xf800 0 0 7>;
interrupt-map =
/* IDSEL 1 */
<0x0800 0 0 1 &gpio0 7 IRQ_TYPE_LEVEL_LOW>, /* INT E on slot 1 is irq 7 */
/* IDSEL 2 */
<0x1000 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 11 */
/* IDSEL 3 */
<0x1800 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 10 */
<0x1800 0 0 2 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 3 is irq 9 */
<0x1800 0 0 3 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 3 is irq 8 */
/* IDSEL 4 */
<0x2000 0 0 3 &gpio0 6 IRQ_TYPE_LEVEL_LOW>; /* INT F on slot 4 is irq 6 */
};
};
};
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