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Diffstat (limited to 'arch/arm/boot/dts/intel-ixp42x-dlink-dsm-g600.dts')
-rw-r--r--arch/arm/boot/dts/intel-ixp42x-dlink-dsm-g600.dts147
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diff --git a/arch/arm/boot/dts/intel-ixp42x-dlink-dsm-g600.dts b/arch/arm/boot/dts/intel-ixp42x-dlink-dsm-g600.dts
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index 000000000..5ab09fb10
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+++ b/arch/arm/boot/dts/intel-ixp42x-dlink-dsm-g600.dts
@@ -0,0 +1,147 @@
+// 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_ESC>;
+ 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 = "ok";
+
+ /*
+ * 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 */
+ };
+ };
+};