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