src/arm64/ti/k3-j721e-evm-quad-port-eth-exp.dtso

   1 // SPDX-License-Identifier: GPL-2.0
   2 /**
   3  * DT Overlay for CPSW9G in QSGMII mode using J7 Quad Port ETH EXP Add-On Ethernet Card with
   4  * J721E board.
   5  *
   6  * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/
   7  */
   8
   9 /dts-v1/;
  10 /plugin/;
  11
  12 #include <dt-bindings/gpio/gpio.h>
  13 #include <dt-bindings/phy/phy.h>
  14 #include <dt-bindings/phy/phy-cadence.h>
  15
  16 #include "k3-pinctrl.h"
  17 #include "k3-serdes.h"
  18
  19 &{/} {
  20         aliases {
  21                 ethernet1 = "/bus@100000/ethernet@c000000/ethernet-ports/port@1";
  22                 ethernet2 = "/bus@100000/ethernet@c000000/ethernet-ports/port@2";
  23                 ethernet3 = "/bus@100000/ethernet@c000000/ethernet-ports/port@3";
  24                 ethernet4 = "/bus@100000/ethernet@c000000/ethernet-ports/port@4";
  25         };
  26 };
  27
  28 &cpsw0 {
  29         status = "okay";
  30 };
  31
  32 &cpsw0_port1 {
  33         status = "okay";
  34         phy-handle = <&cpsw9g_phy0>;
  35         phy-mode = "qsgmii";
  36         mac-address = [00 00 00 00 00 00];
  37         phys = <&cpsw0_phy_gmii_sel 1>;
  38 };
  39
  40 &cpsw0_port2 {
  41         status = "okay";
  42         phy-handle = <&cpsw9g_phy1>;
  43         phy-mode = "qsgmii";
  44         mac-address = [00 00 00 00 00 00];
  45         phys = <&cpsw0_phy_gmii_sel 2>;
  46 };
  47
  48 &cpsw0_port3 {
  49         status = "okay";
  50         phy-handle = <&cpsw9g_phy2>;
  51         phy-mode = "qsgmii";
  52         mac-address = [00 00 00 00 00 00];
  53         phys = <&cpsw0_phy_gmii_sel 3>;
  54 };
  55
  56 &cpsw0_port4 {
  57         status = "okay";
  58         phy-handle = <&cpsw9g_phy3>;
  59         phy-mode = "qsgmii";
  60         mac-address = [00 00 00 00 00 00];
  61         phys = <&cpsw0_phy_gmii_sel 4>;
  62 };
  63
  64 &cpsw9g_mdio {
  65         status = "okay";
  66         pinctrl-names = "default";
  67         pinctrl-0 = <&mdio0_pins_default>;
  68         reset-gpios = <&exp2 17 GPIO_ACTIVE_LOW>;
  69         reset-post-delay-us = <120000>;
  70         #address-cells = <1>;
  71         #size-cells = <0>;
  72
  73         cpsw9g_phy0: ethernet-phy@17 {
  74                 reg = <17>;
  75         };
  76         cpsw9g_phy1: ethernet-phy@16 {
  77                 reg = <16>;
  78         };
  79         cpsw9g_phy2: ethernet-phy@18 {
  80                 reg = <18>;
  81         };
  82         cpsw9g_phy3: ethernet-phy@19 {
  83                 reg = <19>;
  84         };
  85 };
  86
  87 &exp2 {
  88         qsgmii-line-hog {
  89                 gpio-hog;
  90                 gpios = <16 GPIO_ACTIVE_HIGH>;
  91                 output-low;
  92                 line-name = "qsgmii-pwrdn-line";
  93         };
  94 };
  95
  96 &main_pmx0 {
  97         mdio0_pins_default: mdio0-default-pins {
  98                 pinctrl-single,pins = <
  99                         J721E_IOPAD(0x1bc, PIN_OUTPUT, 0) /* (V24) MDIO0_MDC */
 100                         J721E_IOPAD(0x1b8, PIN_INPUT, 0) /* (V26) MDIO0_MDIO */
 101                 >;
 102         };
 103 };
 104
 105 &serdes_ln_ctrl {
 106         idle-states = <J721E_SERDES0_LANE0_PCIE0_LANE0>, <J721E_SERDES0_LANE1_QSGMII_LANE2>,
 107                       <J721E_SERDES1_LANE0_PCIE1_LANE0>, <J721E_SERDES1_LANE1_PCIE1_LANE1>,
 108                       <J721E_SERDES2_LANE0_PCIE2_LANE0>, <J721E_SERDES2_LANE1_PCIE2_LANE1>,
 109                       <J721E_SERDES3_LANE0_USB3_0_SWAP>, <J721E_SERDES3_LANE1_USB3_0>,
 110                       <J721E_SERDES4_LANE0_EDP_LANE0>, <J721E_SERDES4_LANE1_EDP_LANE1>,
 111                       <J721E_SERDES4_LANE2_EDP_LANE2>, <J721E_SERDES4_LANE3_EDP_LANE3>;
 112 };
 113
 114 &serdes_wiz0 {
 115         status = "okay";
 116 };
 117
 118 &serdes0 {
 119         status = "okay";
 120
 121         assigned-clocks = <&serdes0 CDNS_SIERRA_PLL_CMNLC>, <&serdes0 CDNS_SIERRA_PLL_CMNLC1>;
 122         assigned-clock-parents = <&wiz0_pll1_refclk>, <&wiz0_pll1_refclk>;
 123         #address-cells = <1>;
 124         #size-cells = <0>;
 125
 126         serdes0_qsgmii_link: phy@1 {
 127                 reg = <1>;
 128                 cdns,num-lanes = <1>;
 129                 #phy-cells = <0>;
 130                 cdns,phy-type = <PHY_TYPE_QSGMII>;
 131                 resets = <&serdes_wiz0 2>;
 132         };
 133 };