On 22/07/2024 16:58, Potin Lai wrote:
> From: Potin Lai <potin.lai@xxxxxxxxxxxx>
>
> 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
