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|
// SPDX-License-Identifier: GPL-2.0+
// Copyright (c) 2018 Facebook Inc.
/dts-v1/;
#include "ast2500-facebook-netbmc-common.dtsi"
/ {
model = "Facebook Backpack CMM BMC";
compatible = "facebook,cmm-bmc", "aspeed,ast2500";
aliases {
/*
* Override the default uart aliases to avoid breaking
* the legacy applications.
*/
serial0 = &uart5;
serial1 = &uart1;
serial2 = &uart3;
serial3 = &uart4;
/*
* Hardcode the bus number of i2c switches' channels to
* avoid breaking the legacy applications.
*/
i2c16 = &imux16;
i2c17 = &imux17;
i2c18 = &imux18;
i2c19 = &imux19;
i2c20 = &imux20;
i2c21 = &imux21;
i2c22 = &imux22;
i2c23 = &imux23;
i2c24 = &imux24;
i2c25 = &imux25;
i2c26 = &imux26;
i2c27 = &imux27;
i2c28 = &imux28;
i2c29 = &imux29;
i2c30 = &imux30;
i2c31 = &imux31;
i2c32 = &imux32;
i2c33 = &imux33;
i2c34 = &imux34;
i2c35 = &imux35;
i2c36 = &imux36;
i2c37 = &imux37;
i2c38 = &imux38;
i2c39 = &imux39;
};
chosen {
stdout-path = &uart1;
bootargs = "console=ttyS1,9600n8 root=/dev/ram rw earlyprintk";
};
ast-adc-hwmon {
compatible = "iio-hwmon";
io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>,
<&adc 4>, <&adc 5>, <&adc 6>, <&adc 7>;
};
};
&uart1 {
pinctrl-0 = <&pinctrl_txd1_default
&pinctrl_rxd1_default
&pinctrl_ncts1_default
&pinctrl_ndcd1_default
&pinctrl_ndsr1_default
&pinctrl_ndtr1_default
&pinctrl_nrts1_default>;
};
&uart3 {
pinctrl-0 = <&pinctrl_txd3_default
&pinctrl_rxd3_default
&pinctrl_ncts3_default
&pinctrl_ndcd3_default
&pinctrl_nri3_default>;
};
&uart4 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_txd4_default
&pinctrl_rxd4_default>;
};
/*
* I2C bus reserved for communication with COM-E.
*/
&i2c0 {
status = "okay";
};
/*
* I2C bus to Line Cards and Fabric Cards.
*/
&i2c1 {
status = "okay";
i2c-switch@77 {
compatible = "nxp,pca9548";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x77>;
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>;
};
};
};
/*
* I2C bus to Power Distribution Board.
*/
&i2c2 {
status = "okay";
i2c-switch@71 {
compatible = "nxp,pca9548";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x71>;
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>;
};
};
};
/*
* I2c bus connected with temperature sensors on CMM.
*/
&i2c3 {
status = "okay";
};
/*
* I2C bus reserved for communication with COM-E.
*/
&i2c4 {
status = "okay";
};
/*
* I2c bus connected with ADM1278.
*/
&i2c5 {
status = "okay";
};
/*
* I2c bus connected with I/O Expander.
*/
&i2c6 {
status = "okay";
};
/*
* I2c bus connected with I/O Expander and EPROMs.
*/
&i2c7 {
status = "okay";
};
/*
* I2C bus to Fan Control Board.
*/
&i2c8 {
status = "okay";
i2c-switch@77 {
compatible = "nxp,pca9548";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x77>;
imux32: i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
};
imux33: i2c@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <1>;
};
imux34: i2c@2 {
#address-cells = <1>;
#size-cells = <0>;
reg = <2>;
};
imux35: i2c@3 {
#address-cells = <1>;
#size-cells = <0>;
reg = <3>;
};
imux36: i2c@4 {
#address-cells = <1>;
#size-cells = <0>;
reg = <4>;
};
imux37: i2c@5 {
#address-cells = <1>;
#size-cells = <0>;
reg = <5>;
};
imux38: i2c@6 {
#address-cells = <1>;
#size-cells = <0>;
reg = <6>;
};
imux39: i2c@7 {
#address-cells = <1>;
#size-cells = <0>;
reg = <7>;
};
};
};
/*
* I2C bus to CMM CPLD.
*/
&i2c13 {
status = "okay";
};
&adc {
status = "okay";
};
&ehci0 {
status = "okay";
};
&ehci1 {
status = "okay";
};
&vhub {
status = "disabled";
};
&sdhci0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sd1_default>;
};
&sdhci1 {
status = "disabled";
};
|
