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// SPDX-License-Identifier: GPL-2.0+
// Copyright (c) 2020 Facebook Inc.
/dts-v1/;
#include "ast2600-facebook-netbmc-common.dtsi"
/ {
model = "Facebook Elbert BMC";
compatible = "facebook,elbert-bmc", "aspeed,ast2600";
aliases {
serial0 = &uart5;
serial1 = &uart1;
serial2 = &uart2;
serial3 = &uart3;
/*
* 8 child channels of PCA9548 2-0075.
*/
i2c16 = &imux16;
i2c17 = &imux17;
i2c18 = &imux18;
i2c19 = &imux19;
i2c20 = &imux20;
i2c21 = &imux21;
i2c22 = &imux22;
i2c23 = &imux23;
/*
* 8 child channels of PCA9548 5-0075.
*/
i2c24 = &imux24;
i2c25 = &imux25;
i2c26 = &imux26;
i2c27 = &imux27;
i2c28 = &imux28;
i2c29 = &imux29;
i2c30 = &imux30;
i2c31 = &imux31;
};
chosen {
stdout-path = &uart5;
};
spi_gpio: spi {
num-chipselects = <1>;
cs-gpios = <&gpio0 ASPEED_GPIO(X, 0) GPIO_ACTIVE_LOW>;
};
};
&lpc_ctrl {
status = "okay";
};
&kcs2 {
status = "okay";
aspeed,lpc-io-reg = <0xca8>;
};
&kcs3 {
status = "okay";
aspeed,lpc-io-reg = <0xca2>;
};
&i2c2 {
i2c-switch@75 {
compatible = "nxp,pca9548";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x75>;
i2c-mux-idle-disconnect;
imux16: i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
};
imux17: i2c@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <1>;
};
imux18: i2c@2 {
#address-cells = <1>;
#size-cells = <0>;
reg = <2>;
};
imux19: i2c@3 {
#address-cells = <1>;
#size-cells = <0>;
reg = <3>;
};
imux20: i2c@4 {
#address-cells = <1>;
#size-cells = <0>;
reg = <4>;
};
imux21: i2c@5 {
#address-cells = <1>;
#size-cells = <0>;
reg = <5>;
};
imux22: i2c@6 {
#address-cells = <1>;
#size-cells = <0>;
reg = <6>;
};
imux23: i2c@7 {
#address-cells = <1>;
#size-cells = <0>;
reg = <7>;
};
};
};
&i2c5 {
i2c-switch@75 {
compatible = "nxp,pca9548";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x75>;
i2c-mux-idle-disconnect;
imux24: i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
};
imux25: i2c@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <1>;
};
imux26: i2c@2 {
#address-cells = <1>;
#size-cells = <0>;
reg = <2>;
};
imux27: i2c@3 {
#address-cells = <1>;
#size-cells = <0>;
reg = <3>;
};
imux28: i2c@4 {
#address-cells = <1>;
#size-cells = <0>;
reg = <4>;
};
imux29: i2c@5 {
#address-cells = <1>;
#size-cells = <0>;
reg = <5>;
};
imux30: i2c@6 {
#address-cells = <1>;
#size-cells = <0>;
reg = <6>;
};
imux31: i2c@7 {
#address-cells = <1>;
#size-cells = <0>;
reg = <7>;
};
};
};
&i2c11 {
status = "okay";
};
/*
* BMC's "mac3" controller is connected to BCM53134P's IMP_RGMII port
* directly (fixed link, no PHY in between).
* Note: BMC's "mdio0" controller is connected to BCM53134P's MDIO
* interface, and the MDIO channel will be enabled in dts later, when
* BCM53134 is added to "bcm53xx" DSA driver.
*/
&mac3 {
status = "okay";
phy-mode = "rgmii";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_rgmii4_default>;
fixed-link {
speed = <1000>;
full-duplex;
};
};
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