43562f97e7
A SerDes can host multiple PCS links: QSGMII binds four ports to one SerDes, USXGMII variants up to eight. Today pcs-handle references the SerDes as a whole, with no way to express which link inside the SerDes a port wants. The driver gets away with this because it carries its own port->link bookkeeping and the link slot is implicit in DSA's port iteration order -- functional, but the wiring information lives nowhere in DT. The upcoming fwnode_pcs migration moves PCS lookup to the generic fwnode provider API, which disambiguates multiple instances per fwnode via phandle cells. To make that landable as small, code-only commits, the DT needs to carry the link index ahead of time. Bump #pcs-cells from 0 to 1 on every SerDes node in the four SoC DTSIs and append the link cell to every pcs-handle reference across boards and the SWITCH_PORT_* macros. Cell values match the existing wiring: 0 for single-link SerDes (10GBase-R, SGMII, fiber, single-link USXGMII), 0..3 per SerDes for QSGMII and USXGMII-QX, 0..7 for the RTL9311 octal USXGMII layout. No code reads the new cell yet -- of_parse_phandle_with_args() in the PCS driver already cooperates with cells = 0 or 1, and the DSA glue uses of_parse_phandle() which ignores cells entirely. The change is runtime-neutral on its own; it exists so the follow-up code patches can be a few lines each instead of dragging a bridge counter into the driver to invent slot numbers DT could have provided directly. Link: https://github.com/openwrt/openwrt/pull/23539 Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
260 lines
5.3 KiB
Plaintext
260 lines
5.3 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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#include "rtl839x.dtsi"
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/gpio/gpio.h>
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/ {
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compatible = "netgear,gs750e", "realtek,rtl8393-soc";
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model = "Netgear GS750E";
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aliases {
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label-mac-device = ðernet0;
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};
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memory@0 {
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device_type = "memory";
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reg = <0x0 0x8000000>;
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};
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keys {
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compatible = "gpio-keys";
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reset {
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label = "reset";
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gpios = <&gpio0 11 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_RESTART>;
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};
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};
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gpio-restart {
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compatible = "gpio-restart";
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gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
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};
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virtual_flash {
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compatible = "mtd-concat";
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devices = <&fwconcat0>, <&fwconcat1>, <&fwconcat2>;
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "firmware";
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reg = <0x0 0x760000>;
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compatible = "openwrt,uimage", "denx,uimage";
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openwrt,ih-magic = <0x174e4741>;
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};
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};
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};
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};
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&spi0 {
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status = "okay";
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flash@0 {
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compatible = "jedec,spi-nor";
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reg = <0>;
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spi-max-frequency = <10000000>;
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "u-boot";
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reg = <0x0 0x80000>;
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read-only;
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};
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partition@80000 {
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label = "u-boot-env";
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reg = <0x80000 0x10000>;
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read-only;
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};
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partition@90000 {
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label = "u-boot-env2";
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reg = <0x90000 0x10000>;
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read-only;
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};
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fwconcat1: partition@a0000 {
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label = "jffs2_cfg";
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reg = <0xa0000 0x80000>;
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};
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fwconcat2: partition@120000 {
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label = "jffs2_log";
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reg = <0x120000 0x80000>;
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};
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fwconcat0: partition@1a0000 {
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label = "runtime";
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reg = <0x1a0000 0x660000>;
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};
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};
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};
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};
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&mdio_bus0 {
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// Switch doesn't come back properly after a reset so don't.
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// reset-gpios = <&gpio0 23 GPIO_ACTIVE_LOW>;
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/* External phy RTL8218B #1 */
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PHY_C22(0, 0)
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PHY_C22(1, 1)
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PHY_C22(2, 2)
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PHY_C22(3, 3)
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PHY_C22(4, 4)
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PHY_C22(5, 5)
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PHY_C22(6, 6)
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PHY_C22(7, 7)
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/* External phy RTL8218B #2 */
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PHY_C22(8, 8)
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PHY_C22(9, 9)
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PHY_C22(10, 10)
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PHY_C22(11, 11)
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PHY_C22(12, 12)
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PHY_C22(13, 13)
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PHY_C22(14, 14)
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PHY_C22(15, 15)
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/* External phy RTL8218B #3 */
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PHY_C22(16, 16)
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PHY_C22(17, 17)
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PHY_C22(18, 18)
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PHY_C22(19, 19)
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PHY_C22(20, 20)
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PHY_C22(21, 21)
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PHY_C22(22, 22)
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PHY_C22(23, 23)
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};
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&mdio_bus1 {
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/* External phy RTL8218B #4 */
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PHY_C22(24, 0)
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PHY_C22(25, 1)
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PHY_C22(26, 2)
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PHY_C22(27, 3)
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PHY_C22(28, 4)
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PHY_C22(29, 5)
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PHY_C22(30, 6)
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PHY_C22(31, 7)
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/* External phy RTL8218B #5 */
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PHY_C22(32, 8)
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PHY_C22(33, 9)
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PHY_C22(34, 10)
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PHY_C22(35, 11)
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PHY_C22(36, 12)
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PHY_C22(37, 13)
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PHY_C22(38, 14)
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PHY_C22(39, 15)
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/* External phy RTL8218B #6 */
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PHY_C22(40, 16)
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PHY_C22(41, 17)
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PHY_C22(42, 18)
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PHY_C22(43, 19)
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PHY_C22(44, 20)
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PHY_C22(45, 21)
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PHY_C22(46, 22)
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PHY_C22(47, 23)
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};
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&switch0 {
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ethernet-ports {
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#address-cells = <1>;
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#size-cells = <0>;
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SWITCH_PORT_SDS(0, 1, 0, 0, qsgmii)
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SWITCH_PORT_SDS(1, 2, 0, 1, qsgmii)
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SWITCH_PORT_SDS(2, 3, 0, 2, qsgmii)
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SWITCH_PORT_SDS(3, 4, 0, 3, qsgmii)
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SWITCH_PORT_SDS(4, 5, 1, 0, qsgmii)
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SWITCH_PORT_SDS(5, 6, 1, 1, qsgmii)
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SWITCH_PORT_SDS(6, 7, 1, 2, qsgmii)
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SWITCH_PORT_SDS(7, 8, 1, 3, qsgmii)
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SWITCH_PORT_SDS(8, 9, 2, 0, qsgmii)
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SWITCH_PORT_SDS(9, 10, 2, 1, qsgmii)
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SWITCH_PORT_SDS(10, 11, 2, 2, qsgmii)
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SWITCH_PORT_SDS(11, 12, 2, 3, qsgmii)
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SWITCH_PORT_SDS(12, 13, 3, 0, qsgmii)
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SWITCH_PORT_SDS(13, 14, 3, 1, qsgmii)
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SWITCH_PORT_SDS(14, 15, 3, 2, qsgmii)
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SWITCH_PORT_SDS(15, 16, 3, 3, qsgmii)
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SWITCH_PORT_SDS(16, 17, 4, 0, qsgmii)
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SWITCH_PORT_SDS(17, 18, 4, 1, qsgmii)
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SWITCH_PORT_SDS(18, 19, 4, 2, qsgmii)
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SWITCH_PORT_SDS(19, 20, 4, 3, qsgmii)
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SWITCH_PORT_SDS(20, 21, 5, 0, qsgmii)
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SWITCH_PORT_SDS(21, 22, 5, 1, qsgmii)
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SWITCH_PORT_SDS(22, 23, 5, 2, qsgmii)
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SWITCH_PORT_SDS(23, 24, 5, 3, qsgmii)
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SWITCH_PORT_SDS(24, 25, 6, 0, qsgmii)
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SWITCH_PORT_SDS(25, 26, 6, 1, qsgmii)
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SWITCH_PORT_SDS(26, 27, 6, 2, qsgmii)
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SWITCH_PORT_SDS(27, 28, 6, 3, qsgmii)
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SWITCH_PORT_SDS(28, 29, 7, 0, qsgmii)
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SWITCH_PORT_SDS(29, 30, 7, 1, qsgmii)
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SWITCH_PORT_SDS(30, 31, 7, 2, qsgmii)
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SWITCH_PORT_SDS(31, 32, 7, 3, qsgmii)
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SWITCH_PORT_SDS(32, 33, 8, 0, qsgmii)
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SWITCH_PORT_SDS(33, 34, 8, 1, qsgmii)
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SWITCH_PORT_SDS(34, 35, 8, 2, qsgmii)
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SWITCH_PORT_SDS(35, 36, 8, 3, qsgmii)
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SWITCH_PORT_SDS(36, 37, 9, 0, qsgmii)
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SWITCH_PORT_SDS(37, 38, 9, 1, qsgmii)
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SWITCH_PORT_SDS(38, 39, 9, 2, qsgmii)
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SWITCH_PORT_SDS(39, 40, 9, 3, qsgmii)
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SWITCH_PORT_SDS(40, 41, 10, 0, qsgmii)
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SWITCH_PORT_SDS(41, 42, 10, 1, qsgmii)
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SWITCH_PORT_SDS(42, 43, 10, 2, qsgmii)
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SWITCH_PORT_SDS(43, 44, 10, 3, qsgmii)
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SWITCH_PORT_SDS(44, 45, 11, 0, qsgmii)
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SWITCH_PORT_SDS(45, 46, 11, 1, qsgmii)
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SWITCH_PORT_SDS(46, 47, 11, 2, qsgmii)
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SWITCH_PORT_SDS(47, 48, 11, 3, qsgmii)
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port@48 {
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reg = <48>;
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label = "lan49";
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pcs-handle = <&serdes12 0>;
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phy-mode = "1000base-x";
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managed = "in-band-status";
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/* i2c and gpio not yet identified */
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};
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port@49 {
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reg = <49>;
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label = "lan50";
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pcs-handle = <&serdes13 0>;
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phy-mode = "1000base-x";
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managed = "in-band-status";
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/* i2c and gpio not yet identified */
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};
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/* CPU-Port */
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port@52 {
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ethernet = <ðernet0>;
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reg = <52>;
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phy-mode = "internal";
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fixed-link {
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speed = <1000>;
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full-duplex;
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};
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};
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};
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};
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