arch/arm/boot/dts/aspeed-bmc-facebook-elbert.dts

   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-gpio {
  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-switch@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-switch@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 };