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ARM: dts: aspeed: Add Facebook Backpack-CMM BMC
Add initial version of device tree file for Facebook Backpack CMM (Chasis Management Module) ast2500 BMC. Signed-off-by: Tao Ren <taoren@fb.com> Signed-off-by: Joel Stanley <joel@jms.id.au>
This commit is contained in:
Tao Ren
Joel Stanley
parent
b54a5b1992
commit
76d0bbd8a4
@ -1212,6 +1212,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
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aspeed-ast2500-evb.dtb \
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aspeed-bmc-arm-centriq2400-rep.dtb \
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aspeed-bmc-arm-stardragon4800-rep2.dtb \
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aspeed-bmc-facebook-cmm.dtb \
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aspeed-bmc-facebook-tiogapass.dtb \
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aspeed-bmc-intel-s2600wf.dtb \
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aspeed-bmc-opp-lanyang.dtb \
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368
arch/arm/boot/dts/aspeed-bmc-facebook-cmm.dts
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368
arch/arm/boot/dts/aspeed-bmc-facebook-cmm.dts
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@ -0,0 +1,368 @@
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// SPDX-License-Identifier: GPL-2.0+
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// Copyright (c) 2018 Facebook Inc.
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/dts-v1/;
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#include "aspeed-g5.dtsi"
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/ {
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model = "Facebook Backpack CMM BMC";
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compatible = "facebook,cmm-bmc", "aspeed,ast2500";
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aliases {
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/*
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* Override the default uart aliases to avoid breaking
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* the legacy applications.
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*/
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serial0 = &uart5;
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serial1 = &uart1;
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serial2 = &uart3;
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serial3 = &uart4;
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/*
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* Hardcode the bus number of i2c switches' channels to
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* avoid breaking the legacy applications.
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*/
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i2c16 = &imux16;
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i2c17 = &imux17;
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i2c18 = &imux18;
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i2c19 = &imux19;
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i2c20 = &imux20;
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i2c21 = &imux21;
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i2c22 = &imux22;
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i2c23 = &imux23;
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i2c24 = &imux24;
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i2c25 = &imux25;
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i2c26 = &imux26;
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i2c27 = &imux27;
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i2c28 = &imux28;
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i2c29 = &imux29;
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i2c30 = &imux30;
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i2c31 = &imux31;
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i2c32 = &imux32;
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i2c33 = &imux33;
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i2c34 = &imux34;
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i2c35 = &imux35;
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i2c36 = &imux36;
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i2c37 = &imux37;
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i2c38 = &imux38;
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i2c39 = &imux39;
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};
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chosen {
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stdout-path = &uart1;
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bootargs = "console=ttyS1,9600n8 root=/dev/ram rw earlyprintk";
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};
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memory@80000000 {
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reg = <0x80000000 0x20000000>;
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};
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};
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&pinctrl {
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aspeed,external-nodes = <&gfx &lhc>;
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};
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/*
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* Update reset type to "system" (full chip) to fix warm reboot hang issue
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* when reset type is set to default ("soc", gated by reset mask registers).
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*/
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&wdt1 {
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status = "okay";
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aspeed,reset-type = "system";
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};
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/*
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* wdt2 is not used by Backpack CMM.
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*/
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&wdt2 {
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status = "disabled";
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};
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&fmc {
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status = "okay";
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flash@0 {
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status = "okay";
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m25p,fast-read;
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label = "bmc";
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#include "facebook-bmc-flash-layout.dtsi"
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};
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};
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&uart1 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_txd1_default
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&pinctrl_rxd1_default
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&pinctrl_ncts1_default
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&pinctrl_ndcd1_default
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&pinctrl_ndsr1_default
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&pinctrl_ndtr1_default
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&pinctrl_nrts1_default>;
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};
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&uart3 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_txd3_default
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&pinctrl_rxd3_default
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&pinctrl_ncts3_default
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&pinctrl_ndcd3_default
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&pinctrl_nri3_default>;
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};
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&uart4 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_txd4_default
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&pinctrl_rxd4_default>;
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};
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&uart5 {
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status = "okay";
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};
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&mac1 {
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status = "okay";
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no-hw-checksum;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_rgmii2_default &pinctrl_mdio2_default>;
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};
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/*
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* I2C bus reserved for communication with COM-E.
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*/
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&i2c0 {
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status = "okay";
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};
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/*
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* I2C bus to Line Cards and Fabric Cards.
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*/
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&i2c1 {
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status = "okay";
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i2c-switch@77 {
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compatible = "nxp,pca9548";
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0x77>;
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imux16: i2c@0 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0>;
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};
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imux17: i2c@1 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <1>;
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};
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imux18: i2c@2 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <2>;
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};
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imux19: i2c@3 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <3>;
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};
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imux20: i2c@4 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <4>;
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};
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imux21: i2c@5 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <5>;
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};
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imux22: i2c@6 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <6>;
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};
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imux23: i2c@7 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <7>;
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};
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};
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};
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/*
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* I2C bus to Power Distribution Board.
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*/
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&i2c2 {
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status = "okay";
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i2c-switch@71 {
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compatible = "nxp,pca9548";
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0x71>;
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imux24: i2c@0 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0>;
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};
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imux25: i2c@1 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <1>;
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};
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imux26: i2c@2 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <2>;
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};
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imux27: i2c@3 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <3>;
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};
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imux28: i2c@4 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <4>;
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};
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imux29: i2c@5 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <5>;
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};
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imux30: i2c@6 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <6>;
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};
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imux31: i2c@7 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <7>;
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};
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};
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};
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/*
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* I2c bus connected with temperature sensors on CMM.
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*/
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&i2c3 {
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status = "okay";
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};
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/*
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* I2C bus reserved for communication with COM-E.
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*/
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&i2c4 {
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status = "okay";
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};
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/*
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* I2c bus connected with ADM1278.
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*/
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&i2c5 {
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status = "okay";
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};
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/*
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* I2c bus connected with I/O Expander.
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*/
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&i2c6 {
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status = "okay";
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};
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/*
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* I2c bus connected with I/O Expander and EPROMs.
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*/
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&i2c7 {
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status = "okay";
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};
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/*
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* I2C bus to Fan Control Board.
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*/
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&i2c8 {
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status = "okay";
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i2c-switch@77 {
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compatible = "nxp,pca9548";
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0x77>;
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imux32: i2c@0 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0>;
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};
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imux33: i2c@1 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <1>;
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};
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imux34: i2c@2 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <2>;
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};
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imux35: i2c@3 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <3>;
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};
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imux36: i2c@4 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <4>;
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};
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imux37: i2c@5 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <5>;
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};
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imux38: i2c@6 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <6>;
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};
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imux39: i2c@7 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <7>;
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};
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};
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};
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/*
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* I2C bus to CMM CPLD.
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*/
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&i2c13 {
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status = "okay";
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};
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&adc {
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status = "okay";
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};
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