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-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};
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};