1// SPDX-License-Identifier: GPL-2.0+ 2// Copyright (c) 2020 Facebook Inc. 3 4/dts-v1/; 5 6#include "ast2600-facebook-netbmc-common.dtsi" 7 8/ { 9 model = "Facebook Elbert BMC"; 10 compatible = "facebook,elbert-bmc", "aspeed,ast2600"; 11 12 aliases { 13 serial0 = &uart5; 14 serial1 = &uart1; 15 serial2 = &uart2; 16 serial3 = &uart3; 17 18 /* 19 * 8 child channels of PCA9548 2-0075. 20 */ 21 i2c16 = &imux16; 22 i2c17 = &imux17; 23 i2c18 = &imux18; 24 i2c19 = &imux19; 25 i2c20 = &imux20; 26 i2c21 = &imux21; 27 i2c22 = &imux22; 28 i2c23 = &imux23; 29 30 /* 31 * 8 child channels of PCA9548 5-0075. 32 */ 33 i2c24 = &imux24; 34 i2c25 = &imux25; 35 i2c26 = &imux26; 36 i2c27 = &imux27; 37 i2c28 = &imux28; 38 i2c29 = &imux29; 39 i2c30 = &imux30; 40 i2c31 = &imux31; 41 }; 42 43 chosen { 44 stdout-path = &uart5; 45 }; 46 47 spi_gpio: spi { 48 num-chipselects = <1>; 49 cs-gpios = <&gpio0 ASPEED_GPIO(X, 0) GPIO_ACTIVE_LOW>; 50 }; 51}; 52 53&lpc_ctrl { 54 status = "okay"; 55}; 56 57&kcs2 { 58 status = "okay"; 59 aspeed,lpc-io-reg = <0xca8>; 60}; 61 62&kcs3 { 63 status = "okay"; 64 aspeed,lpc-io-reg = <0xca2>; 65}; 66 67&i2c2 { 68 i2c-mux@75 { 69 compatible = "nxp,pca9548"; 70 #address-cells = <1>; 71 #size-cells = <0>; 72 reg = <0x75>; 73 i2c-mux-idle-disconnect; 74 75 imux16: i2c@0 { 76 #address-cells = <1>; 77 #size-cells = <0>; 78 reg = <0>; 79 }; 80 81 imux17: i2c@1 { 82 #address-cells = <1>; 83 #size-cells = <0>; 84 reg = <1>; 85 }; 86 87 imux18: i2c@2 { 88 #address-cells = <1>; 89 #size-cells = <0>; 90 reg = <2>; 91 }; 92 93 imux19: i2c@3 { 94 #address-cells = <1>; 95 #size-cells = <0>; 96 reg = <3>; 97 }; 98 99 imux20: i2c@4 { 100 #address-cells = <1>; 101 #size-cells = <0>; 102 reg = <4>; 103 }; 104 105 imux21: i2c@5 { 106 #address-cells = <1>; 107 #size-cells = <0>; 108 reg = <5>; 109 }; 110 111 imux22: i2c@6 { 112 #address-cells = <1>; 113 #size-cells = <0>; 114 reg = <6>; 115 }; 116 117 imux23: i2c@7 { 118 #address-cells = <1>; 119 #size-cells = <0>; 120 reg = <7>; 121 }; 122 }; 123}; 124 125&i2c5 { 126 i2c-mux@75 { 127 compatible = "nxp,pca9548"; 128 #address-cells = <1>; 129 #size-cells = <0>; 130 reg = <0x75>; 131 i2c-mux-idle-disconnect; 132 133 imux24: i2c@0 { 134 #address-cells = <1>; 135 #size-cells = <0>; 136 reg = <0>; 137 }; 138 139 imux25: i2c@1 { 140 #address-cells = <1>; 141 #size-cells = <0>; 142 reg = <1>; 143 }; 144 145 imux26: i2c@2 { 146 #address-cells = <1>; 147 #size-cells = <0>; 148 reg = <2>; 149 }; 150 151 imux27: i2c@3 { 152 #address-cells = <1>; 153 #size-cells = <0>; 154 reg = <3>; 155 }; 156 157 imux28: i2c@4 { 158 #address-cells = <1>; 159 #size-cells = <0>; 160 reg = <4>; 161 }; 162 163 imux29: i2c@5 { 164 #address-cells = <1>; 165 #size-cells = <0>; 166 reg = <5>; 167 }; 168 169 imux30: i2c@6 { 170 #address-cells = <1>; 171 #size-cells = <0>; 172 reg = <6>; 173 }; 174 175 imux31: i2c@7 { 176 #address-cells = <1>; 177 #size-cells = <0>; 178 reg = <7>; 179 }; 180 }; 181}; 182 183&i2c11 { 184 status = "okay"; 185}; 186 187/* 188 * BMC's "mac3" controller is connected to BCM53134P's IMP_RGMII port 189 * directly (fixed link, no PHY in between). 190 * Note: BMC's "mdio0" controller is connected to BCM53134P's MDIO 191 * interface, and the MDIO channel will be enabled in dts later, when 192 * BCM53134 is added to "bcm53xx" DSA driver. 193 */ 194&mac3 { 195 status = "okay"; 196 phy-mode = "rgmii"; 197 pinctrl-names = "default"; 198 pinctrl-0 = <&pinctrl_rgmii4_default>; 199 fixed-link { 200 speed = <1000>; 201 full-duplex; 202 }; 203}; 204