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ARM: dts: aspeed: Add Facebook Elbert (AST2600) BMC 

Add initial version of device tree for Facebook Elbert (AST2600) BMC.

Elbert is Facebook's next generation switch platform with an AST2600 BMC
integrated for health monitoring purpose.

Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20210805222818.8391-6-rentao.bupt@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
This commit is contained in:
Tao Ren 2021-08-05 15:28:17 -07:00 committed by Joel Stanley
parent 0ccdd60e51
commit 2f31f8c2a3
2 changed files with 186 additions and 0 deletions
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1
arch/arm/boot/dts/Makefile
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@ -1435,6 +1435,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
aspeed-bmc-bytedance-g220a.dtb \
aspeed-bmc-facebook-cloudripper.dtb \
aspeed-bmc-facebook-cmm.dtb \
aspeed-bmc-facebook-elbert.dtb \
aspeed-bmc-facebook-galaxy100.dtb \
aspeed-bmc-facebook-minipack.dtb \
aspeed-bmc-facebook-tiogapass.dtb \

185
arch/arm/boot/dts/aspeed-bmc-facebook-elbert.dts Normal file
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@ -0,0 +1,185 @@
// 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-gpio {
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";
};