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charset=UTF-8 Content-Transfer-Encoding: 7bit On 22/07/2024 16:58, Potin Lai wrote: > From: Potin Lai > > Add linux device tree entry for Meta(Facebook) Catalina compute-tray > BMC using AT2600 SoC. > ... > + i2c45 = &imux45; > + i2c46 = &imux46; > + i2c47 = &imux47; > + i2c48 = &imux48; > + i2c49 = &imux49; > + i2c50 = &imux50; > + i2c51 = &imux51; > + i2c52 = &imux52; > + i2c53 = &imux53; > + i2c54 = &imux54; > + i2c55 = &imux55; > + }; > + > + chosen { > + bootargs = "console=ttyS4,57600n8"; Preferred is to use stdout-path property. > + }; > + > + 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 2>; > + }; > + > + spi1_gpio: spi1-gpio { > + compatible = "spi-gpio"; > + #address-cells = <1>; > + #size-cells = <0>; > + > + gpio-sck = <&gpio0 ASPEED_GPIO(Z, 3) GPIO_ACTIVE_HIGH>; > + gpio-mosi = <&gpio0 ASPEED_GPIO(Z, 4) GPIO_ACTIVE_HIGH>; > + gpio-miso = <&gpio0 ASPEED_GPIO(Z, 5) GPIO_ACTIVE_HIGH>; > + num-chipselects = <1>; > + cs-gpios = <&gpio0 ASPEED_GPIO(Z, 0) GPIO_ACTIVE_LOW>; > + > + tpm@0 { > + compatible = "infineon,slb9670", "tcg,tpm_tis-spi"; > + spi-max-frequency = <33000000>; > + reg = <0>; > + }; > + }; > + > + leds { > + compatible = "gpio-leds"; > + > + led-0 { > + label = "bmc_heartbeat_amber"; > + gpios = <&gpio0 ASPEED_GPIO(P, 7) GPIO_ACTIVE_LOW>; > + linux,default-trigger = "heartbeat"; > + }; > + > + led-1 { > + label = "fp_id_amber"; > + default-state = "off"; > + gpios = <&gpio0 ASPEED_GPIO(B, 5) GPIO_ACTIVE_HIGH>; > + }; > + > + led-2 { > + label = "bmc_ready_noled"; > + gpios = <&gpio0 ASPEED_GPIO(B, 3) (GPIO_ACTIVE_HIGH|GPIO_TRANSITORY)>; > + }; > + > + led-3 { > + label = "bmc_ready_cpld_noled"; > + gpios = <&gpio0 ASPEED_GPIO(P, 5) (GPIO_ACTIVE_HIGH|GPIO_TRANSITORY)>; > + }; > + }; > +}; > + > +&uart1 { > + status = "okay"; > +}; > + > +&uart3 { > + status = "okay"; > +}; > + > +&uart4 { > + status = "okay"; > +}; > + > +&uart5 { > + status = "okay"; > +}; > + > +&mdio0 { > + status = "okay"; > +}; > + > +//&mac0 { Please drop dead code or document why this is being commented out. > +// status = "okay"; > +// phy-mode = "rmii"; > +// pinctrl-names = "default"; > +// pinctrl-0 = <&pinctrl_rgmii1_default>; > +// fixed-link { > +// speed = <1000>; > +// full-duplex; > +// }; > +//}; > + > +&mac3 { > + status = "okay"; > + pinctrl-names = "default"; > + //pinctrl-0 = <&pinctrl_rmii4_default>; Drop > + pinctrl-0 = <&pinctrl_ncsi4_default>; > + use-ncsi; > + ncsi-ctrl,start-redo-probe; > + ncsi-package = <1>; > +}; > + > +&fmc { > + status = "okay"; > + flash@0 { > + status = "okay"; > + m25p,fast-read; > + label = "bmc"; > + spi-max-frequency = <50000000>; > +#include "openbmc-flash-layout-128.dtsi" > + }; > + flash@1 { > + status = "okay"; > + m25p,fast-read; > + label = "alt-bmc"; > + spi-max-frequency = <50000000>; > + }; > +}; > + > +&i2c0 { > + status = "okay"; > + > + i2c-mux@71 { > + compatible = "nxp,pca9546"; > + reg = <0x71>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + 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>; > + }; > + }; > + > + i2c-mux@72 { > + compatible = "nxp,pca9546"; > + reg = <0x72>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + imux28: i2c@0 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <0>; > + }; > + imux29: i2c@1 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <1>; > + > + // IO Mezz 0 IOEXP > + pca9535_30_20: pca9535@20 { Node names should be generic. See also an explanation and list of examples (not exhaustive) in DT specification: https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation > + compatible = "nxp,pca9535"; > + reg = <0x20>; > + gpio-controller; > + #gpio-cells = <2>; > + }; > + > + // IO Mezz 0 FRU EEPROM > + eeprom@50 { > + compatible = "atmel,24c64"; > + reg = <0x50>; > + }; > + }; > + imux30: i2c@2 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <2>; > + }; > + imux31: i2c@3 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <3>; > + }; > + }; > + > + i2c-mux@73 { > + compatible = "nxp,pca9546"; > + reg = <0x73>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + imux32: i2c@0 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <0>; > + }; > + imux33: i2c@1 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <1>; > + > + i2c-mux@70 { > + compatible = "nxp,pca9548"; > + reg = <0x70>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + imux48: i2c@0 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <0>; > + }; > + imux49: i2c@1 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <1>; > + }; > + imux50: i2c@2 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <2>; > + }; > + imux51: i2c@3 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <3>; > + }; > + imux52: i2c@4 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <3>; > + }; > + imux53: i2c@5 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <3>; > + }; > + imux54: i2c@6 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <3>; > + }; > + imux55: i2c@7 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <3>; > + > + ina230@40 { Node names should be generic. See also an explanation and list of examples (not exhaustive) in DT specification: https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation In other places as well. Best regards, Krzysztof