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Diffstat (limited to 'arch/arm/boot/dts/intel-ixp42x-gateworks-gw2348.dts')
-rw-r--r--arch/arm/boot/dts/intel-ixp42x-gateworks-gw2348.dts174
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diff --git a/arch/arm/boot/dts/intel-ixp42x-gateworks-gw2348.dts b/arch/arm/boot/dts/intel-ixp42x-gateworks-gw2348.dts
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index 000000000..a5943f51e
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+++ b/arch/arm/boot/dts/intel-ixp42x-gateworks-gw2348.dts
@@ -0,0 +1,174 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Device Tree file for the Gateworks Avila GW2348 board.
+ * This machine is based on IXP425.
+ */
+
+/dts-v1/;
+
+#include "intel-ixp42x.dtsi"
+#include <dt-bindings/input/input.h>
+
+/ {
+ model = "Gateworks Avila GW2348";
+ compatible = "gateworks,gw2348", "intel,ixp42x";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x00000000 0x4000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,115200n8";
+ stdout-path = "uart0:115200n8";
+ };
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ led-user {
+ label = "gw2348:green:user";
+ gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
+ default-state = "on";
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+ i2c {
+ compatible = "i2c-gpio";
+ sda-gpios = <&gpio0 7 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+ scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ hwmon@28 {
+ compatible = "adi,ad7418";
+ reg = <0x28>;
+ };
+ rtc: ds1672@68 {
+ compatible = "dallas,ds1672";
+ reg = <0x68>;
+ };
+ eeprom@51 {
+ compatible = "atmel,24c08";
+ reg = <0x51>;
+ pagesize = <16>;
+ size = <1024>;
+ read-only;
+ };
+ };
+
+ soc {
+ bus@c4000000 {
+ flash@0,0 {
+ compatible = "intel,ixp4xx-flash", "cfi-flash";
+ bank-width = <2>;
+ /* Enable writes on the expansion bus */
+ intel,ixp4xx-eb-write-enable = <1>;
+ /* 16 MB of Flash mapped in at CS0 */
+ reg = <0 0x00000000 0x1000000>;
+
+ partitions {
+ compatible = "redboot-fis";
+ /* Eraseblock at 0x0fe0000 */
+ fis-index-block = <0x7f>;
+ };
+ };
+ ide@1,0 {
+ compatible = "intel,ixp4xx-compact-flash";
+ /*
+ * Set up expansion bus config to a really slow timing.
+ * The CF driver will dynamically reconfigure these timings
+ * depending on selected PIO mode (0-4).
+ */
+ intel,ixp4xx-eb-t1 = <3>; // 3 cycles extra address phase
+ intel,ixp4xx-eb-t2 = <3>; // 3 cycles extra setup phase
+ intel,ixp4xx-eb-t3 = <15>; // 15 cycles extra strobe phase
+ intel,ixp4xx-eb-t4 = <3>; // 3 cycles extra hold phase
+ intel,ixp4xx-eb-t5 = <15>; // 15 cycles extra recovery phase
+ intel,ixp4xx-eb-cycle-type = <0>; // Intel cycle type
+ intel,ixp4xx-eb-byte-access-on-halfword = <1>;
+ intel,ixp4xx-eb-mux-address-and-data = <0>;
+ intel,ixp4xx-eb-ahb-split-transfers = <0>;
+ intel,ixp4xx-eb-write-enable = <1>;
+ intel,ixp4xx-eb-byte-access = <1>;
+ /* First register set is CMD second is CTL (notice it uses CS2) */
+ reg = <1 0x00000000 0x1000000>, <2 0x00000000 0x1000000>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <12 IRQ_TYPE_EDGE_RISING>;
+ };
+ /*
+ * FIXME: Latch LEDs or extra UARTs at CS4
+ */
+ };
+
+ pci@c0000000 {
+ status = "ok";
+
+ /*
+ * Taken from Avila PCI boardfile.
+ *
+ * We have up to 4 slots (IDSEL) with 4 swizzled IRQs.
+ */
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0xf800 0 0 7>;
+ interrupt-map =
+ /* IDSEL 1 */
+ <0x0800 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 1 is irq 11 */
+ <0x0800 0 0 2 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 1 is irq 10 */
+ <0x0800 0 0 3 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 1 is irq 9 */
+ <0x0800 0 0 4 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 1 is irq 8 */
+ /* IDSEL 2 */
+ <0x1000 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 10 */
+ <0x1000 0 0 2 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 2 is irq 9 */
+ <0x1000 0 0 3 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 2 is irq 8 */
+ <0x1000 0 0 4 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 2 is irq 11 */
+ /* IDSEL 3 */
+ <0x1800 0 0 1 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 3 is irq 9 */
+ <0x1800 0 0 2 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 8 */
+ <0x1800 0 0 3 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 3 is irq 11 */
+ <0x1800 0 0 4 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 3 is irq 10 */
+ /* IDSEL 4 */
+ <0x2000 0 0 1 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 4 is irq 8 */
+ <0x2000 0 0 2 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 4 is irq 11 */
+ <0x2000 0 0 3 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 4 is irq 10 */
+ <0x2000 0 0 4 &gpio0 9 IRQ_TYPE_LEVEL_LOW>; /* INT D on slot 4 is irq 9 */
+ };
+
+ /* EthB */
+ ethernet@c8009000 {
+ status = "ok";
+ queue-rx = <&qmgr 3>;
+ queue-txready = <&qmgr 20>;
+ phy-mode = "rgmii";
+ phy-handle = <&phy0>;
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy0: ethernet-phy@0 {
+ reg = <0>;
+ };
+
+ phy1: ethernet-phy@1 {
+ reg = <1>;
+ };
+ };
+ };
+
+ /* EthC */
+ ethernet@c800a000 {
+ status = "ok";
+ queue-rx = <&qmgr 4>;
+ queue-txready = <&qmgr 21>;
+ phy-mode = "rgmii";
+ phy-handle = <&phy1>;
+ };
+ };
+};