[PATCH linux dev-4.13 v5] Add ARM system BMC device tree

Andrew Jeffery andrew at aj.id.au
Fri Feb 16 12:54:51 AEDT 2018


On Mon, 2018-02-12 at 20:10 +0800, Ken Chen wrote:
> Centriq2400-rep is ARM system reference evalutiion platform
> with ast2520 BMC.
> 
> Signed-off-by: Ken Chen <chen.kenyy at inventec.com>

Looked at this from a pinctrl perspective, seems fine.

Acked-by: Andrew Jeffery <andrew at aj.id.au>

> 
> ---
> v4->v5
> - Removed strange whitespace
> - Removed aspeed.c commit
> - Modify commit content
> 
> v3->v4
> - Modify Makefile for centriq2400-rep dts
> - Fix typo label
> - Removed unnecessary define of spi2 and centriq2400-spi-hwmon device
> - Removed lpc device
> - Fix coding style
> - Removed ssif device
> - Removed max31790 device
> - Removed register control of GPIO and Watchdog
> ---
>  arch/arm/boot/dts/Makefile                         |   1 +
>  .../boot/dts/aspeed-bmc-arm-centriq2400-rep.dts    | 276
> +++++++++++++++++++++
>  2 files changed, 277 insertions(+)
>  create mode 100644 arch/arm/boot/dts/aspeed-bmc-arm-centriq2400-
> rep.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 7c54fc8..77aef19 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -993,6 +993,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += aspeed-bmc-opp-
> palmetto.dtb \
>  	aspeed-bmc-mellanox-msn.dtb \
>  	aspeed-bmc-quanta-q71l.dtb \
>  	aspeed-bmc-intel-s2600wf.dtb \
> +        aspeed-bmc-arm-centriq2400-rep.dtb \
>  	aspeed-ast2500-evb.dtb
>  endif
>  
> diff --git a/arch/arm/boot/dts/aspeed-bmc-arm-centriq2400-rep.dts
> b/arch/arm/boot/dts/aspeed-bmc-arm-centriq2400-rep.dts
> new file mode 100644
> index 0000000..b0195e0
> --- /dev/null
> +++ b/arch/arm/boot/dts/aspeed-bmc-arm-centriq2400-rep.dts
> @@ -0,0 +1,276 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/dts-v1/;
> +
> +#include "aspeed-g5.dtsi"
> +#include <dt-bindings/gpio/aspeed-gpio.h>
> +
> +/ {
> +	model = "Qualcomm Centriq 2400  REP AST2520";
> +	compatible = "qualcomm,centriq2400-rep-bmc",
> "aspeed,ast2500";
> +
> +	chosen {
> +		stdout-path = &uart5;
> +		bootargs = "console=ttyS4,115200 earlyprintk";
> +	};
> +
> +	memory {
> +		reg = <0x80000000 0x40000000>;
> +	};
> +
> +	iio-hwmon {
> +		compatible = "iio-hwmon";
> +		io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc
> 3>,
> +                        <&adc 4>, <&adc 5>, <&adc 6>, <&adc 8>;
> +	};
> +
> +	iio-hwmon-battery {
> +		compatible = "iio-hwmon";
> +		io-channels = <&adc 7>;
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +
> +		uid_led {
> +			label = "UID_LED";
> +			gpios = <&gpio ASPEED_GPIO(Q, 5)
> GPIO_ACTIVE_LOW>;
> +		};
> +
> +		ras_error_led {
> +			label = "RAS_ERROR_LED";
> +			gpios = <&gpio ASPEED_GPIO(F, 6)
> GPIO_ACTIVE_LOW>;
> +		};
> +
> +		system_fault {
> +			label = "System_fault";
> +			gpios = <&gpio ASPEED_GPIO(A, 1)
> GPIO_ACTIVE_LOW>;
> +		};
> +	};
> +};
> +
> +&fmc {
> +	status = "okay";
> +	flash at 0 {
> +		status = "okay";
> +		m25p,fast-read;
> +		label = "bmc";
> +#include "openbmc-flash-layout.dtsi"
> +	};
> +};
> +
> +&spi1 {
> +	status = "okay";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_spi1_default>;
> +	flash at 0 {
> +		status = "okay";
> +	};
> +};
> +
> +&spi2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_spi2ck_default
> &pinctrl_spi2miso_default &pinctrl_spi2mosi_default
> &pinctrl_spi2cs0_default>;
> +};
> +
> +&uart3 {
> +	status = "okay";
> +
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_txd3_default &pinctrl_rxd3_default>;
> +	current-speed = <115200>;
> +};
> +
> +&uart5 {
> +	status = "okay";
> +};
> +
> +&mac0 {
> +	status = "okay";
> +
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_rgmii1_default
> &pinctrl_mdio1_default>;
> +};
> +
> +&i2c0 {
> +	status = "okay";
> +
> +	pca9542 at 70 {
> +		compatible = "pca9542";
> +		reg = <0x70>;
> +		i2c at 0 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <0>;
> +			pca9546 at 77 {
> +				compatible = "pca9546";
> +				reg = <0x77>;
> +				i2c at 0 {
> +					#address-cells = <1>;
> +					#size-cells = <0>;
> +					reg = <0>;
> +					eeprom at 52 {
> +						compatible =
> "atmel,24c02";
> +						reg = <0x52>;
> +					};
> +				};
> +				i2c at 2 {
> +					#address-cells = <1>;
> +					#size-cells = <0>;
> +					reg = <2>;
> +					eeprom at 57 {
> +						compatible =
> "atmel,24c02";
> +						reg = <0x57>;
> +					};
> +				};
> +			};
> +		};
> +		i2c at 1 {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			reg = <1>;
> +			pca9546 at 77 {
> +				compatible = "pca9546";
> +				reg = <0x77>;
> +				i2c at 2 {
> +					#address-cells = <1>;
> +					#size-cells = <0>;
> +					reg = <2>;
> +					eeprom at 57 {
> +						compatible =
> "atmel,24c02";
> +						reg = <0x57>;
> +					};
> +				};
> +			};
> +		};
> +
> +        };
> +};
> +
> +&i2c1 {
> +	status = "okay";
> +
> +	tmp421 at 1e {
> +		compatible = "ti,tmp421";
> +		reg = <0x1e>;
> +	};
> +	tmp421 at 2a {
> +		compatible = "ti,tmp421";
> +		reg = <0x2a>;
> +	};
> +	tmp421 at 4e {
> +		compatible = "ti,tmp421";
> +		reg = <0x4e>;
> +	};
> +	tmp421 at 1c {
> +		compatible = "ti,tmp421";
> +		reg = <0x1c>;
> +	};
> +};
> +
> +&i2c2 {
> +	status = "okay";
> +};
> +
> +&i2c3 {
> +	status = "okay";
> +};
> +
> +&i2c4 {
> +	status = "okay";
> +};
> +
> +&i2c5 {
> +	status = "okay";
> +};
> +
> +&i2c6 {
> +	status = "okay";
> +
> +	tmp421 at 1d {
> +		compatible = "ti,tmp421";
> +		reg = <0x1d>;
> +	};
> +	tmp421 at 1f {
> +		compatible = "ti,tmp421";
> +		reg = <0x1f>;
> +	};
> +	tmp421 at 4d {
> +		compatible = "ti,tmp421";
> +		reg = <0x4d>;
> +	};
> +	tmp421 at 4f {
> +		compatible = "ti,tmp421";
> +		reg = <0x4f>;
> +	};
> +	nvt210 at 4c {
> +		compatible = "nvt210";
> +		reg = <0x4c>;
> +	};
> +	eeprom at 50 {
> +		compatible = "atmel,24c128";
> +		reg = <0x50>;
> +		pagesize = <128>;
> +	};
> +};
> +
> +&i2c7 {
> +	status = "okay";
> +};
> +
> +&i2c8 {
> +	status = "okay";
> +
> +	pca9641 at 70 {
> +		compatible = "nxp,pca9641";
> +		reg = <0x70>;
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		i2c-arb {
> +			tmp421 at 1d {
> +				compatible = "tmp421";
> +				reg = <0x1d>;
> +			};
> +			adm1278 at 12 {
> +				compatible = "adi,adm1278";
> +				reg = <0x12>;
> +				Rsense = <500>;
> +			};
> +			eeprom at 50 {
> +				compatible = "atmel,24c02";
> +				reg = <0x50>;
> +			};
> +			ds1100 at 58 {
> +				compatible = "ds1100";
> +				reg = <0x58>;
> +			};
> +		};
> +	};
> +};
> +
> +&i2c9 {
> +	status = "okay";
> +};
> +
> +&vuart {
> +	status = "okay";
> +};
> +
> +&gfx {
> +	status = "okay";
> +};
> +
> +&pinctrl {
> +	aspeed,external-nodes = <&gfx &lhc>;
> +};
> +&wdt2 {
> +	status = "okay";
> +};
> +
> +&gpio {
> +	pin_gpio_c7 {
> +		gpio-hog;
> +		gpios = <ASPEED_GPIO(C, 7) GPIO_ACTIVE_HIGH>;
> +		output;
> +		line-name = "BIOS_SPI_MUX_S";
> +	};
> +}
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