0001 // SPDX-License-Identifier: ISC
0002 /*
0003 * Device Tree file for Intel XScale Network Processors
0004 * in the IXP45x and IXP46x series. This series has 64 interrupts and adds a
0005 * few more peripherals over the 42x and 43x series so this extends the
0006 * basic IXP4xx DTSI.
0007 */
0008 #include "intel-ixp4xx.dtsi"
0009
0010 / {
0011 soc {
0012 bus@c4000000 {
0013 compatible = "intel,ixp46x-expansion-bus-controller", "syscon";
0014 /* Uses at least up to 0x124 */
0015 reg = <0xc4000000 0x1000>;
0016 };
0017
0018 rng@70002100 {
0019 compatible = "intel,ixp46x-rng";
0020 reg = <0x70002100 4>;
0021 };
0022
0023 interrupt-controller@c8003000 {
0024 compatible = "intel,ixp43x-interrupt";
0025 };
0026
0027 /*
0028 * This is the USB Device Mode (UDC) controller, which is used
0029 * to present the IXP4xx as a device on a USB bus.
0030 */
0031 usb@c800b000 {
0032 compatible = "intel,ixp4xx-udc";
0033 reg = <0xc800b000 0x1000>;
0034 interrupts = <12 IRQ_TYPE_LEVEL_HIGH>;
0035 status = "disabled";
0036 };
0037
0038 i2c@c8011000 {
0039 compatible = "intel,ixp4xx-i2c";
0040 reg = <0xc8011000 0x18>;
0041 interrupts = <33 IRQ_TYPE_LEVEL_HIGH>;
0042 status = "disabled";
0043 };
0044
0045 /* This is known as EthB1 */
0046 ethernet@c800d000 {
0047 compatible = "intel,ixp4xx-ethernet";
0048 reg = <0xc800d000 0x1000>;
0049 status = "disabled";
0050 intel,npe = <1>;
0051 /* Dummy values that depend on firmware */
0052 queue-rx = <&qmgr 0>;
0053 queue-txready = <&qmgr 0>;
0054 };
0055
0056 /* This is known as EthB2 */
0057 ethernet@c800e000 {
0058 compatible = "intel,ixp4xx-ethernet";
0059 reg = <0xc800e000 0x1000>;
0060 status = "disabled";
0061 intel,npe = <2>;
0062 /* Dummy values that depend on firmware */
0063 queue-rx = <&qmgr 0>;
0064 queue-txready = <&qmgr 0>;
0065 };
0066
0067 /* This is known as EthB3 */
0068 ethernet@c800f000 {
0069 compatible = "intel,ixp4xx-ethernet";
0070 reg = <0xc800f000 0x1000>;
0071 status = "disabled";
0072 intel,npe = <3>;
0073 /* Dummy values that depend on firmware */
0074 queue-rx = <&qmgr 0>;
0075 queue-txready = <&qmgr 0>;
0076 };
0077
0078 ptp-timer@c8010000 {
0079 compatible = "intel,ixp46x-ptp-timer";
0080 reg = <0xc8010000 0x1000>;
0081 interrupt-parent = <&gpio0>;
0082 interrupts = <8 IRQ_TYPE_EDGE_FALLING>, <7 IRQ_TYPE_EDGE_FALLING>;
0083 interrupt-names = "master", "slave";
0084 };
0085 };
0086 };