Re: [PATCH v12 2/2] ARM: dts: aspeed: yosemite4: add Facebook Yosemite 4 BMC

From: Rob Herring
Date: Tue Aug 29 2023 - 10:15:24 EST

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In reply to: Delphine CC Chiu: "[PATCH v12 2/2] ARM: dts: aspeed: yosemite4: add Facebook Yosemite 4 BMC"
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On Mon, Aug 28, 2023 at 1:52 AM Delphine CC Chiu
<Delphine_CC_Chiu@xxxxxxxxxx> wrote:
>
> Add linux device tree entry for Yosemite 4 devices connected to BMC.
> The Yosemite 4 is a Meta multi-node server platform, based on AST2600 SoC.

This was already applied and sent upstream on Aug 10 by Joel. You'll
need incremental patches.

>
> Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@xxxxxxxxxx>
> ---
> Changelog:
> v12 - Add spi gpio config
> v11 - Add imux configs for i2c-mux
> - Add gpio and eeprom devices
> - Remove temperature-sensor 11-004a and 11-004b
> - Change power-sensor ina230 to ina233
> v10 - Change to 128MB flash layout from 64MB
> v9 - Remove mac2/mac3 duplicated setting about no-hw-checksum
> v8 - Add description of Yosemite 4
> - Remove unsupported ncsi config
> - Revise i2c-mux config
> - Correct power sensor i2c address
> - Restore i2c 11 bus-frequency to default
> v7 - Revise changelog format
> v6 - Change project name from yosemitev4 to yosemite4
> v5 - Revise rtc setting
> - Remove duplicated multi-master setting
> v3 - Revise the bootargs to stdout-path
> - Revise i2c devices
> v2 - Revise the DTS node name
> ---
> arch/arm/boot/dts/aspeed/Makefile | 1 +
> .../aspeed/aspeed-bmc-facebook-yosemite4.dts | 1102 +++++++++++++++++
> 2 files changed, 1103 insertions(+)
> create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
>
> diff --git a/arch/arm/boot/dts/aspeed/Makefile b/arch/arm/boot/dts/aspeed/Makefile
> index c68984322a86..5b9264b823f3 100644
> --- a/arch/arm/boot/dts/aspeed/Makefile
> +++ b/arch/arm/boot/dts/aspeed/Makefile
> @@ -26,6 +26,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
> aspeed-bmc-facebook-wedge400.dtb \
> aspeed-bmc-facebook-yamp.dtb \
> aspeed-bmc-facebook-yosemitev2.dtb \
> + aspeed-bmc-facebook-yosemite4.dtb \
> aspeed-bmc-ibm-bonnell.dtb \
> aspeed-bmc-ibm-everest.dtb \
> aspeed-bmc-ibm-rainier.dtb \
> diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> new file mode 100644
> index 000000000000..851091a512dd
> --- /dev/null
> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> @@ -0,0 +1,1102 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later
> +// Copyright 2022 Facebook Inc.
> +
> +/dts-v1/;
> +#include "aspeed-g6.dtsi"
> +#include <dt-bindings/gpio/aspeed-gpio.h>
> +#include <dt-bindings/leds/leds-pca955x.h>
> +#include <dt-bindings/i2c/i2c.h>
> +
> +/ {
> + model = "Facebook Yosemite 4 BMC";
> + compatible = "facebook,yosemite4-bmc", "aspeed,ast2600";
> +
> + aliases {
> + serial4 = &uart5;
> + serial5 = &uart6;
> + serial6 = &uart7;
> + serial7 = &uart8;
> + serial8 = &uart9;
> +
> + 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;
> + };
> +
> + chosen {
> + stdout-path = "serial4:57600n8";
> + };
> +
> + memory@80000000 {
> + device_type = "memory";
> + reg = <0x80000000 0x80000000>;
> + };
> +
> + iio-hwmon {
> + compatible = "iio-hwmon";
> + io-channels = <&adc0 0>, <&adc0 1>, <&adc0 2>, <&adc0 3>,
> + <&adc0 4>, <&adc0 5>, <&adc0 6>, <&adc0 7>,
> + <&adc1 0>, <&adc1 1>;
> + };
> +
> + spi_gpio: spi-gpio {
> + status = "okay";
> + compatible = "spi-gpio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + gpio-sck = <&gpio0 ASPEED_GPIO(X, 3) GPIO_ACTIVE_HIGH>;
> + gpio-mosi = <&gpio0 ASPEED_GPIO(X, 4) GPIO_ACTIVE_HIGH>;
> + gpio-miso = <&gpio0 ASPEED_GPIO(X, 5) GPIO_ACTIVE_HIGH>;
> + num-chipselects = <1>;
> + cs-gpios = <&gpio0 ASPEED_GPIO(X, 0) GPIO_ACTIVE_LOW>;
> +
> + tpmdev@0 {
> + compatible = "tcg,tpm_tis-spi";
> + spi-max-frequency = <33000000>;
> + reg = <0>;
> + };
> + };
> +};
> +
> +&uart1 {
> + status = "okay";
> +};
> +
> +&uart2 {
> + status = "okay";
> +};
> +
> +&uart3 {
> + status = "okay";
> +};
> +
> +&uart4 {
> + status = "okay";
> +};
> +
> +&uart5 {
> + status = "okay";
> +};
> +
> +&uart6 {
> + status = "okay";
> +};
> +
> +&uart7 {
> + status = "okay";
> +};
> +
> +&uart8 {
> + status = "okay";
> +};
> +
> +&uart9 {
> + status = "okay";
> +};
> +
> +&wdt1 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_wdtrst1_default>;
> + aspeed,reset-type = "soc";
> + aspeed,external-signal;
> + aspeed,ext-push-pull;
> + aspeed,ext-active-high;
> + aspeed,ext-pulse-duration = <256>;
> +};
> +
> +&mac2 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_rmii3_default>;
> + use-ncsi;
> + mlx,multi-host;
> +};
> +
> +&mac3 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_rmii4_default>;
> + use-ncsi;
> + mlx,multi-host;
> +};
> +
> +&fmc {
> + status = "okay";
> + flash@0 {
> + status = "okay";
> + m25p,fast-read;
> + label = "bmc";
> + spi-rx-bus-width = <4>;
> + spi-max-frequency = <50000000>;
> +#include "openbmc-flash-layout-128.dtsi"
> + };
> + flash@1 {
> + status = "okay";
> + m25p,fast-read;
> + label = "bmc2";
> + spi-rx-bus-width = <4>;
> + spi-max-frequency = <50000000>;
> + };
> +};
> +
> +&i2c0 {
> + status = "okay";
> + mctp-controller;
> + bus-frequency = <400000>;
> + multi-master;
> +
> + mctp@10 {
> + compatible = "mctp-i2c-controller";
> + reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
> + };
> +
> + power-sensor@40 {
> + compatible = "adi,adm1278";
> + reg = <0x40>;
> + };
> +};
> +
> +&i2c1 {
> + status = "okay";
> + mctp-controller;
> + bus-frequency = <400000>;
> + multi-master;
> +
> + mctp@10 {
> + compatible = "mctp-i2c-controller";
> + reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
> + };
> +
> + power-sensor@40 {
> + compatible = "adi,adm1278";
> + reg = <0x40>;
> + };
> +};
> +
> +&i2c2 {
> + status = "okay";
> + mctp-controller;
> + bus-frequency = <400000>;
> + multi-master;
> +
> + mctp@10 {
> + compatible = "mctp-i2c-controller";
> + reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
> + };
> +
> + power-sensor@40 {
> + compatible = "adi,adm1278";
> + reg = <0x40>;
> + };
> +};
> +
> +&i2c3 {
> + status = "okay";
> + mctp-controller;
> + bus-frequency = <400000>;
> + multi-master;
> +
> + mctp@10 {
> + compatible = "mctp-i2c-controller";
> + reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
> + };
> +
> + power-sensor@40 {
> + compatible = "adi,adm1278";
> + reg = <0x40>;
> + };
> +};
> +
> +&i2c4 {
> + status = "okay";
> + mctp-controller;
> + bus-frequency = <400000>;
> + multi-master;
> +
> + mctp@10 {
> + compatible = "mctp-i2c-controller";
> + reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
> + };
> +
> + power-sensor@40 {
> + compatible = "adi,adm1278";
> + reg = <0x40>;
> + };
> +};
> +
> +&i2c5 {
> + status = "okay";
> + mctp-controller;
> + bus-frequency = <400000>;
> + multi-master;
> +
> + mctp@10 {
> + compatible = "mctp-i2c-controller";
> + reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
> + };
> +
> + power-sensor@40 {
> + compatible = "adi,adm1278";
> + reg = <0x40>;
> + };
> +};
> +
> +&i2c6 {
> + status = "okay";
> + mctp-controller;
> + bus-frequency = <400000>;
> + multi-master;
> +
> + mctp@10 {
> + compatible = "mctp-i2c-controller";
> + reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
> + };
> +
> + power-sensor@40 {
> + compatible = "adi,adm1278";
> + reg = <0x40>;
> + };
> +};
> +
> +&i2c7 {
> + status = "okay";
> + mctp-controller;
> + bus-frequency = <400000>;
> + multi-master;
> +
> + mctp@10 {
> + compatible = "mctp-i2c-controller";
> + reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
> + };
> +
> + power-sensor@40 {
> + compatible = "adi,adm1278";
> + reg = <0x40>;
> + };
> +};
> +
> +&i2c8 {
> + status = "okay";
> + bus-frequency = <400000>;
> + i2c-mux@70 {
> + compatible = "nxp,pca9544";
> + idle-state = <0>;
> + i2c-mux-idle-disconnect;
> + reg = <0x70>;
> +
> + imux16: i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> + gpio@20 {
> + compatible = "nxp,pca9506";
> + reg = <0x20>;
> + };
> +
> + gpio@21 {
> + compatible = "nxp,pca9506";
> + reg = <0x21>;
> + };
> +
> + gpio@22 {
> + compatible = "nxp,pca9506";
> + reg = <0x22>;
> + };
> +
> + gpio@23 {
> + compatible = "nxp,pca9506";
> + reg = <0x23>;
> + };
> +
> + gpio@49 {
> + compatible = "nxp,pca9537";
> + reg = <0x49>;
> + };
> +
> + eeprom@50 {
> + compatible = "atmel,24c128";
> + reg = <0x50>;
> + };
> +
> + eeprom@51 {
> + compatible = "atmel,24c128";
> + reg = <0x51>;
> + };
> +
> + eeprom@54 {
> + compatible = "atmel,24c128";
> + reg = <0x54>;
> + };
> + };
> +
> + imux17: i2c@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + gpio@20 {
> + compatible = "nxp,pca9506";
> + reg = <0x20>;
> + };
> +
> + gpio@21 {
> + compatible = "nxp,pca9506";
> + reg = <0x21>;
> + };
> +
> + gpio@22 {
> + compatible = "nxp,pca9506";
> + reg = <0x22>;
> + };
> +
> + gpio@23 {
> + compatible = "nxp,pca9506";
> + reg = <0x23>;
> + };
> +
> + gpio@49 {
> + compatible = "nxp,pca9537";
> + reg = <0x49>;
> + };
> +
> + eeprom@50 {
> + compatible = "atmel,24c128";
> + reg = <0x50>;
> + };
> +
> + eeprom@51 {
> + compatible = "atmel,24c128";
> + reg = <0x51>;
> + };
> +
> + eeprom@54 {
> + compatible = "atmel,24c128";
> + reg = <0x54>;
> + };
> + };
> +
> + imux18: i2c@2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>;
> + gpio@20 {
> + compatible = "nxp,pca9506";
> + reg = <0x20>;
> + };
> +
> + gpio@21 {
> + compatible = "nxp,pca9506";
> + reg = <0x21>;
> + };
> +
> + gpio@22 {
> + compatible = "nxp,pca9506";
> + reg = <0x22>;
> + };
> +
> + gpio@23 {
> + compatible = "nxp,pca9506";
> + reg = <0x23>;
> + };
> +
> + gpio@49 {
> + compatible = "nxp,pca9537";
> + reg = <0x49>;
> + };
> +
> + eeprom@50 {
> + compatible = "atmel,24c128";
> + reg = <0x50>;
> + };
> +
> + eeprom@51 {
> + compatible = "atmel,24c128";
> + reg = <0x51>;
> + };
> +
> + eeprom@54 {
> + compatible = "atmel,24c128";
> + reg = <0x54>;
> + };
> + };
> +
> + imux19: i2c@3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> + gpio@20 {
> + compatible = "nxp,pca9506";
> + reg = <0x20>;
> + };
> +
> + gpio@21 {
> + compatible = "nxp,pca9506";
> + reg = <0x21>;
> + };
> +
> + gpio@22 {
> + compatible = "nxp,pca9506";
> + reg = <0x22>;
> + };
> +
> + gpio@23 {
> + compatible = "nxp,pca9506";
> + reg = <0x23>;
> + };
> +
> + gpio@49 {
> + compatible = "nxp,pca9537";
> + reg = <0x49>;
> + };
> +
> + eeprom@50 {
> + compatible = "atmel,24c128";
> + reg = <0x50>;
> + };
> +
> + eeprom@51 {
> + compatible = "atmel,24c128";
> + reg = <0x51>;
> + };
> +
> + eeprom@54 {
> + compatible = "atmel,24c128";
> + reg = <0x54>;
> + };
> + };
> + };
> +};
> +
> +&i2c9 {
> + status = "okay";
> + bus-frequency = <400000>;
> + i2c-mux@71 {
> + compatible = "nxp,pca9544";
> + idle-state = <0>;
> + i2c-mux-idle-disconnect;
> + reg = <0x71>;
> +
> + imux20: i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> + gpio@20 {
> + compatible = "nxp,pca9506";
> + reg = <0x20>;
> + };
> +
> + gpio@21 {
> + compatible = "nxp,pca9506";
> + reg = <0x21>;
> + };
> +
> + gpio@22 {
> + compatible = "nxp,pca9506";
> + reg = <0x22>;
> + };
> +
> + gpio@23 {
> + compatible = "nxp,pca9506";
> + reg = <0x23>;
> + };
> +
> + gpio@49 {
> + compatible = "nxp,pca9537";
> + reg = <0x49>;
> + };
> +
> + eeprom@50 {
> + compatible = "atmel,24c128";
> + reg = <0x50>;
> + };
> +
> + eeprom@51 {
> + compatible = "atmel,24c128";
> + reg = <0x51>;
> + };
> +
> + eeprom@54 {
> + compatible = "atmel,24c128";
> + reg = <0x54>;
> + };
> + };
> +
> + imux21: i2c@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + gpio@20 {
> + compatible = "nxp,pca9506";
> + reg = <0x20>;
> + };
> +
> + gpio@21 {
> + compatible = "nxp,pca9506";
> + reg = <0x21>;
> + };
> +
> + gpio@22 {
> + compatible = "nxp,pca9506";
> + reg = <0x22>;
> + };
> +
> + gpio@23 {
> + compatible = "nxp,pca9506";
> + reg = <0x23>;
> + };
> +
> + gpio@49 {
> + compatible = "nxp,pca9537";
> + reg = <0x49>;
> + };
> +
> + eeprom@50 {
> + compatible = "atmel,24c128";
> + reg = <0x50>;
> + };
> +
> + eeprom@51 {
> + compatible = "atmel,24c128";
> + reg = <0x51>;
> + };
> +
> + eeprom@54 {
> + compatible = "atmel,24c128";
> + reg = <0x54>;
> + };
> + };
> +
> + imux22: i2c@2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <2>;
> + gpio@20 {
> + compatible = "nxp,pca9506";
> + reg = <0x20>;
> + };
> +
> + gpio@21 {
> + compatible = "nxp,pca9506";
> + reg = <0x21>;
> + };
> +
> + gpio@22 {
> + compatible = "nxp,pca9506";
> + reg = <0x22>;
> + };
> +
> + gpio@23 {
> + compatible = "nxp,pca9506";
> + reg = <0x23>;
> + };
> +
> + gpio@49 {
> + compatible = "nxp,pca9537";
> + reg = <0x49>;
> + };
> +
> + eeprom@50 {
> + compatible = "atmel,24c128";
> + reg = <0x50>;
> + };
> +
> + eeprom@51 {
> + compatible = "atmel,24c128";
> + reg = <0x51>;
> + };
> +
> + eeprom@54 {
> + compatible = "atmel,24c128";
> + reg = <0x54>;
> + };
> + };
> +
> + imux23: i2c@3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> + gpio@20 {
> + compatible = "nxp,pca9506";
> + reg = <0x20>;
> + };
> +
> + gpio@21 {
> + compatible = "nxp,pca9506";
> + reg = <0x21>;
> + };
> +
> + gpio@22 {
> + compatible = "nxp,pca9506";
> + reg = <0x22>;
> + };
> +
> + gpio@23 {
> + compatible = "nxp,pca9506";
> + reg = <0x23>;
> + };
> +
> + gpio@49 {
> + compatible = "nxp,pca9537";
> + reg = <0x49>;
> + };
> +
> + eeprom@50 {
> + compatible = "atmel,24c128";
> + reg = <0x50>;
> + };
> +
> + eeprom@51 {
> + compatible = "atmel,24c128";
> + reg = <0x51>;
> + };
> +
> + eeprom@54 {
> + compatible = "atmel,24c128";
> + reg = <0x54>;
> + };
> + };
> + };
> +};
> +
> +&i2c10 {
> + status = "okay";
> + bus-frequency = <400000>;
> + i2c-mux@74 {
> + compatible = "nxp,pca9544";
> + idle-state = <0>;
> + i2c-mux-idle-disconnect;
> + reg = <0x74>;
> +
> + imux28: i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> + };
> +
> + imux29: i2c@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + gpio@20 {
> + compatible = "nxp,pca9506";
> + reg = <0x20>;
> + };
> +
> + gpio@21 {
> + compatible = "nxp,pca9506";
> + reg = <0x21>;
> + };
> +
> + gpio@22 {
> + compatible = "nxp,pca9506";
> + reg = <0x22>;
> + };
> +
> + gpio@23 {
> + compatible = "nxp,pca9506";
> + reg = <0x23>;
> + };
> +
> + gpio@24 {
> + compatible = "nxp,pca9506";
> + reg = <0x24>;
> + };
> + };
> + };
> +};
> +
> +&i2c11 {
> + status = "okay";
> + power-sensor@10 {
> + compatible = "adi, adm1272";
> + reg = <0x10>;
> + };
> +
> + power-sensor@12 {
> + compatible = "adi, adm1272";
> + reg = <0x12>;
> + };
> +
> + gpio@20 {
> + compatible = "nxp,pca9555";
> + reg = <0x20>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + };
> +
> + gpio@21 {
> + compatible = "nxp,pca9555";
> + reg = <0x21>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + };
> +
> + gpio@22 {
> + compatible = "nxp,pca9555";
> + reg = <0x22>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + };
> +
> + gpio@23 {
> + compatible = "nxp,pca9555";
> + reg = <0x23>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + };
> +
> + temperature-sensor@48 {
> + compatible = "ti,tmp75";
> + reg = <0x48>;
> + };
> +
> + temperature-sensor@49 {
> + compatible = "ti,tmp75";
> + reg = <0x49>;
> + };
> +
> + eeprom@54 {
> + compatible = "atmel,24c256";
> + reg = <0x54>;
> + };
> +};
> +
> +&i2c12 {
> + status = "okay";
> + bus-frequency = <400000>;
> +
> + temperature-sensor@48 {
> + compatible = "ti,tmp75";
> + reg = <0x48>;
> + };
> +
> + eeprom@50 {
> + compatible = "atmel,24c128";
> + reg = <0x50>;
> + };
> +
> + eeprom@54 {
> + compatible = "atmel,24c64";
> + reg = <0x54>;
> + };
> +
> + rtc@6f {
> + compatible = "nuvoton,nct3018y";
> + reg = <0x6f>;
> + };
> +};
> +
> +&i2c13 {
> + status = "okay";
> + bus-frequency = <400000>;
> + gpio@20 {
> + compatible = "nxp,pca9506";
> + reg = <0x20>;
> + };
> +
> + gpio@21 {
> + compatible = "nxp,pca9506";
> + reg = <0x21>;
> + };
> +
> + gpio@22 {
> + compatible = "nxp,pca9506";
> + reg = <0x22>;
> + };
> +
> + gpio@23 {
> + compatible = "nxp,pca9506";
> + reg = <0x23>;
> + };
> +};
> +
> +&i2c14 {
> + status = "okay";
> + bus-frequency = <400000>;
> + adc@1d {
> + compatible = "ti,adc128d818";
> + reg = <0x1d>;
> + ti,mode = /bits/ 8 <2>;
> + };
> +
> + adc@35 {
> + compatible = "ti,adc128d818";
> + reg = <0x35>;
> + ti,mode = /bits/ 8 <2>;
> + };
> +
> + adc@37 {
> + compatible = "ti,adc128d818";
> + reg = <0x37>;
> + ti,mode = /bits/ 8 <2>;
> + };
> +
> + power-sensor@40 {
> + compatible = "ti,ina233";
> + reg = <0x40>;
> + };
> +
> + power-sensor@41 {
> + compatible = "ti,ina233";
> + reg = <0x41>;
> + };
> +
> + power-sensor@42 {
> + compatible = "ti,ina233";
> + reg = <0x42>;
> + };
> +
> + power-sensor@43 {
> + compatible = "ti,ina233";
> + reg = <0x43>;
> + };
> +
> + power-sensor@44 {
> + compatible = "ti,ina233";
> + reg = <0x44>;
> + };
> +
> + temperature-sensor@4e {
> + compatible = "ti,tmp75";
> + reg = <0x4e>;
> + };
> +
> + temperature-sensor@4f {
> + compatible = "ti,tmp75";
> + reg = <0x4f>;
> + };
> +
> + eeprom@51 {
> + compatible = "atmel,24c128";
> + reg = <0x51>;
> + };
> +
> + i2c-mux@71 {
> + compatible = "nxp,pca9846";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + idle-state = <0>;
> + i2c-mux-idle-disconnect;
> + reg = <0x71>;
> +
> + imux30: i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> +
> + adc@1f {
> + compatible = "ti,adc128d818";
> + reg = <0x1f>;
> + ti,mode = /bits/ 8 <2>;
> + };
> +
> + pwm@20{
> + compatible = "max31790";

This is not documented. It also needs a vendor prefix.

> + reg = <0x20>;
> + #address-cells = <1>;
> + #size-cells = <0>;

These 2 are for child nodes, but you don't have any. And a PWM
probably never will.

Rob

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