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Diffstat (limited to 'arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts')
-rw-r--r--arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts199
1 files changed, 199 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts b/arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts
new file mode 100644
index 000000000..cf4010d60
--- /dev/null
+++ b/arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts
@@ -0,0 +1,199 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Device Tree file for Gateworks IXP43x-based Cambria GW2358
+ */
+
+/dts-v1/;
+
+#include "intel-ixp43x.dtsi"
+
+/ {
+ model = "Gateworks Cambria GW2358";
+ compatible = "gateworks,gw2358", "intel,ixp43x";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ memory@0 {
+ /* 128 MB SDRAM */
+ device_type = "memory";
+ reg = <0x00000000 0x8000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rw rootfstype=squashfs,jffs2 rootwait";
+ stdout-path = "uart0:115200n8";
+ };
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ led-user {
+ label = "gw2358:green:LED";
+ gpios = <&pld1 0 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;
+ };
+ pld0: pld@56 {
+ compatible = "gateworks,pld-gpio";
+ reg = <0x56>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+ /* This PLD just handles the LED and user button */
+ pld1: pld@57 {
+ compatible = "gateworks,pld-gpio";
+ reg = <0x57>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+ };
+
+ 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>;
+ /*
+ * 32 MB of Flash in 0x20000 byte blocks
+ * mapped in at CS0 and CS1
+ */
+ reg = <0 0x00000000 0x2000000>;
+
+ partitions {
+ compatible = "redboot-fis";
+ /* Eraseblock at 0x1fe0000 */
+ fis-index-block = <0xff>;
+ };
+ };
+ ide@3,0 {
+ 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 */
+ reg = <3 0xe00000 0x40000>, <3 0xe40000 0x40000>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <12 IRQ_TYPE_EDGE_RISING>;
+ };
+ };
+
+ pci@c0000000 {
+ status = "ok";
+
+ /*
+ * In the boardfile for the Cambria from OpenWRT the interrupts
+ * are assigned one per IDSEL, so all 4 interrupts from IDSEL
+ * 1 are connected to IRQ 11, all 4 interrupts from IDSEL 2
+ * connected to IRQ 10 etc. I find this highly unlikely so I
+ * have instead assumed that they are rotated (swizzled) like
+ * this with 11, 10, 9, 8 for the 4 pins on IDSEL 1 etc.
+ */
+ #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 3 is irq 8 */
+ <0x2000 0 0 2 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 11 */
+ <0x2000 0 0 3 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 3 is irq 10 */
+ <0x2000 0 0 4 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 3 is irq 9 */
+ /* IDSEL 6 */
+ <0x3000 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 3 is irq 10 */
+ <0x3000 0 0 2 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 9 */
+ <0x3000 0 0 3 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 3 is irq 8 */
+ <0x3000 0 0 4 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 3 is irq 11 */
+ /* IDSEL 15 */
+ <0x7800 0 0 1 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 3 is irq 8 */
+ <0x7800 0 0 2 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 11 */
+ <0x7800 0 0 3 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 3 is irq 10 */
+ <0x7800 0 0 4 &gpio0 9 IRQ_TYPE_LEVEL_LOW>; /* INT D on slot 3 is irq 9 */
+ };
+
+ ethernet@c800a000 {
+ status = "ok";
+ queue-rx = <&qmgr 4>;
+ queue-txready = <&qmgr 21>;
+ phy-mode = "rgmii";
+ phy-handle = <&phy1>;
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy1: ethernet-phy@1 {
+ reg = <1>;
+ };
+
+ phy2: ethernet-phy@2 {
+ reg = <2>;
+ };
+ };
+ };
+
+ ethernet@c800c000 {
+ status = "ok";
+ queue-rx = <&qmgr 2>;
+ queue-txready = <&qmgr 19>;
+ phy-mode = "rgmii";
+ phy-handle = <&phy2>;
+ intel,npe-handle = <&npe 0>;
+ };
+ };
+};