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Diffstat (limited to 'arch/arm/boot/dts/intel/ixp/intel-ixp42x-adi-coyote.dts')
-rw-r--r--arch/arm/boot/dts/intel/ixp/intel-ixp42x-adi-coyote.dts112
1 files changed, 112 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/intel/ixp/intel-ixp42x-adi-coyote.dts b/arch/arm/boot/dts/intel/ixp/intel-ixp42x-adi-coyote.dts
new file mode 100644
index 000000000000..765ab36e6f0c
--- /dev/null
+++ b/arch/arm/boot/dts/intel/ixp/intel-ixp42x-adi-coyote.dts
@@ -0,0 +1,112 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Device Tree file for ADI Engineering Coyote platform.
+ * Derived from boardfiles written by MontaVista software.
+ * Ethernet set-up from OpenWrt.
+ */
+
+/dts-v1/;
+
+#include "intel-ixp42x.dtsi"
+#include <dt-bindings/input/input.h>
+
+/ {
+ model = "ADI Engineering Coyote reference design";
+ compatible = "adieng,coyote", "intel,ixp42x";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ memory@0 {
+ /* CHECKME: 16 MB SDRAM minimum, maybe the Coyote actually has more */
+ device_type = "memory";
+ reg = <0x00000000 0x01000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,115200n8 root=/dev/sda1 rw rootwait";
+ stdout-path = "uart1:115200n8";
+ };
+
+ aliases {
+ /* These are switched around */
+ serial0 = &uart1;
+ serial1 = &uart0;
+ };
+
+ soc {
+ bus@c4000000 {
+ flash@0,0 {
+ compatible = "intel,ixp4xx-flash", "cfi-flash";
+ bank-width = <2>;
+ /*
+ * 32 MB of Flash in 128 0x20000 sized blocks
+ * mapped in at CS0 and CS1
+ */
+ reg = <0 0x00000000 0x2000000>;
+
+ /* Configure expansion bus to allow writes */
+ intel,ixp4xx-eb-write-enable = <1>;
+
+ partitions {
+ compatible = "redboot-fis";
+ /* CHECKME: guess this is Redboot FIS */
+ fis-index-block = <0x1ff>;
+ };
+ };
+ };
+
+ pci@c0000000 {
+ status = "okay";
+
+ /*
+ * Taken from Coyote PCI boardfile.
+ * We have slots (IDSEL) 1 and 2 with one assigned IRQ
+ * each handling all IRQs.
+ */
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0xf800 0 0 7>;
+ interrupt-map =
+ /* IDSEL 1 */
+ <0x0800 0 0 1 &gpio0 6 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 1 is irq 6 */
+ <0x0800 0 0 2 &gpio0 6 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 1 is irq 6 */
+ <0x0800 0 0 3 &gpio0 6 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 1 is irq 6 */
+ <0x0800 0 0 4 &gpio0 6 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 1 is irq 6 */
+ /* IDSEL 2 */
+ <0x1000 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 11 */
+ <0x1000 0 0 2 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 2 is irq 11 */
+ <0x1000 0 0 3 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 2 is irq 11 */
+ <0x1000 0 0 4 &gpio0 11 IRQ_TYPE_LEVEL_LOW>; /* INT D on slot 2 is irq 11 */
+ };
+
+ /* EthB */
+ ethernet@c8009000 {
+ status = "okay";
+ queue-rx = <&qmgr 3>;
+ queue-txready = <&qmgr 20>;
+ phy-mode = "rgmii";
+ phy-handle = <&phy5>;
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy4: ethernet-phy@4 {
+ reg = <4>;
+ };
+
+ phy5: ethernet-phy@5 {
+ reg = <5>;
+ };
+ };
+ };
+
+ /* EthC */
+ ethernet@c800a000 {
+ status = "okay";
+ queue-rx = <&qmgr 4>;
+ queue-txready = <&qmgr 21>;
+ phy-mode = "rgmii";
+ phy-handle = <&phy4>;
+ };
+ };
+};