1 // SPDX-License-Identifier: ISC
3 * Device Tree file for the Intel IXDPG425 reference design.
4 * Derived from boardfiles written by MontaVista software.
5 * Ethernet set-up from OpenWrt.
7 * The device has 4 x FXS RJ11 ports for analog phones for
8 * internet telephony. (Not supported yet.)
10 * The device has 9 status LEDs we do not support yet.
12 * This device is very similar to ADI engingeering Coyote.
17 #include "intel-ixp42x.dtsi"
18 #include <dt-bindings/input/input.h>
21 model = "Intel IXDPG425 reference design";
22 compatible = "intel,ixdpg425", "intel,ixp42x";
28 device_type = "memory";
29 reg = <0x00000000 0x02000000>;
33 bootargs = "console=ttyS0,115200n8 root=/dev/sda1 rw rootwait";
34 stdout-path = "uart0:115200n8";
44 compatible = "intel,ixp4xx-flash", "cfi-flash";
47 * CHECKME: the product brief says 16MB in a flash
50 reg = <0 0x00000000 0x1000000>;
52 /* Configure expansion bus to allow writes */
53 intel,ixp4xx-eb-write-enable = <1>;
56 compatible = "redboot-fis";
57 /* CHECKME: guess this is Redboot FIS */
58 fis-index-block = <0x7f>;
67 * Taken from IXDPG425 PCI boardfile.
68 * We have slots (IDSEL) 12, 13 and 14 with one assigned IRQ
69 * for 12 & 13 and one for 14.
73 <0x6000 0 0 1 &gpio0 7 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 12 is irq 7 */
74 <0x6000 0 0 2 &gpio0 7 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 12 is irq 7 */
75 <0x6000 0 0 3 &gpio0 7 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 12 is irq 7 */
76 <0x6000 0 0 4 &gpio0 7 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 12 is irq 7 */
78 <0x6800 0 0 1 &gpio0 7 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 13 is irq 7 */
79 <0x6800 0 0 2 &gpio0 7 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 13 is irq 7 */
80 <0x6800 0 0 3 &gpio0 7 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 13 is irq 7 */
81 <0x6800 0 0 4 &gpio0 7 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 13 is irq 7 */
83 <0x7000 0 0 1 &gpio0 6 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 14 is irq 6 */
84 <0x7000 0 0 2 &gpio0 6 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 14 is irq 6 */
85 <0x7000 0 0 3 &gpio0 6 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 14 is irq 6 */
86 <0x7000 0 0 4 &gpio0 6 IRQ_TYPE_LEVEL_LOW>; /* INT D on slot 14 is irq 6 */
90 * CHECKME: this ethernet setup seems dubious. Photos of the board shows some kind
91 * of Realtek DSA switch on the board.
98 queue-txready = <&qmgr 20>;
100 phy-handle = <&phy5>;
103 #address-cells = <1>;
106 phy4: ethernet-phy@4 {
110 phy5: ethernet-phy@5 {
119 queue-rx = <&qmgr 4>;
120 queue-txready = <&qmgr 21>;
122 phy-handle = <&phy4>;