Commit 2e3de60a authored by Joel Stanley's avatar Joel Stanley
Browse files

ARM: dts: aspeed: Add Witherspoon BMC machine 



The Witherspoon BMC is an ASPEED ast2500 based BMC that is part of an
OpenPower Power9 server.

This adds the device tree description for most upstream components. It
is a squashed commit from the OpenBMC kernel tree.

Signed-off-by: default avatarBrandon Wyman <bjwyman@gmail.com>
Signed-off-by: default avatarMatt Spinler <spinler@us.ibm.com>
Signed-off-by: default avatarBrad Bishop <bradleyb@fuzziesquirrel.com>
Signed-off-by: default avatarEdward A. James <eajames@us.ibm.com>
Signed-off-by: default avatarCédric Le Goater <clg@kaod.org>
Signed-off-by: default avatarAndrew Jeffery <andrew@aj.id.au>
Reviewed-by: default avatarBrandon Wyman <bjwyman@gmail.com>
Signed-off-by: default avatarJoel Stanley <joel@jms.id.au>
parent 8b42ae23

arch/arm/boot/dts/Makefile

+3 −1
Original line number Diff line number Diff line
@@ -1104,5 +1104,7 @@ dtb-$(CONFIG_ARCH_ZX) += zx296702-ad1.dtb 
dtb-$(CONFIG_ARCH_ASPEED) += \

	aspeed-ast2500-evb.dtb \

	aspeed-bmc-opp-palmetto.dtb \

	aspeed-bmc-opp-romulus.dtb

	aspeed-bmc-opp-romulus.dtb \

	aspeed-bmc-opp-witherspoon.dtb



endif

arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts

0 → 100644
+548 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0+

/dts-v1/;

#include "aspeed-g5.dtsi"

#include <dt-bindings/gpio/aspeed-gpio.h>

#include <dt-bindings/leds/leds-pca955x.h>



/ {

	model = "Witherspoon BMC";

	compatible = "ibm,witherspoon-bmc", "aspeed,ast2500";



	chosen {

		stdout-path = &uart5;

		bootargs = "console=ttyS4,115200 earlyprintk";

	};



	memory@80000000 {

		reg = <0x80000000 0x20000000>;

	};



	reserved-memory {

		#address-cells = <1>;

		#size-cells = <1>;

		ranges;



		flash_memory: region@98000000 {

			no-map;

			reg = <0x98000000 0x04000000>; /* 64M */

		};

	};



	gpio-keys-polled {

		compatible = "gpio-keys-polled";

		#address-cells = <1>;

		#size-cells = <0>;

		poll-interval = <1000>;



		fan0-presence {

			label = "fan0-presence";

			gpios = <&pca0 4 GPIO_ACTIVE_LOW>;

			linux,code = <4>;

		};



		fan1-presence {

			label = "fan1-presence";

			gpios = <&pca0 5 GPIO_ACTIVE_LOW>;

			linux,code = <5>;

		};



		fan2-presence {

			label = "fan2-presence";

			gpios = <&pca0 6 GPIO_ACTIVE_LOW>;

			linux,code = <6>;

		};



		fan3-presence {

			label = "fan3-presence";

			gpios = <&pca0 7 GPIO_ACTIVE_LOW>;

			linux,code = <7>;

		};

	};



	leds {

		compatible = "gpio-leds";



		fan0 {

			retain-state-shutdown;

			default-state = "keep";

			gpios = <&pca0 0 GPIO_ACTIVE_LOW>;

		};



		fan1 {

			retain-state-shutdown;

			default-state = "keep";

			gpios = <&pca0 1 GPIO_ACTIVE_LOW>;

		};



		fan2 {

			retain-state-shutdown;

			default-state = "keep";

			gpios = <&pca0 2 GPIO_ACTIVE_LOW>;

		};



		fan3 {

			retain-state-shutdown;

			default-state = "keep";

			gpios = <&pca0 3 GPIO_ACTIVE_LOW>;

		};



		front-fault {

			retain-state-shutdown;

			default-state = "keep";

			gpios = <&pca0 13 GPIO_ACTIVE_LOW>;

		};



		front-power {

			retain-state-shutdown;

			default-state = "keep";

			gpios = <&pca0 14 GPIO_ACTIVE_LOW>;

		};



		front-id {

			retain-state-shutdown;

			default-state = "keep";

			gpios = <&pca0 15 GPIO_ACTIVE_LOW>;

		};



		rear-fault {

			gpios = <&gpio ASPEED_GPIO(N, 2) GPIO_ACTIVE_LOW>;

		};



		rear-id {

			gpios = <&gpio ASPEED_GPIO(N, 4) GPIO_ACTIVE_LOW>;

		};



		rear-power {

			gpios = <&gpio ASPEED_GPIO(N, 3) GPIO_ACTIVE_LOW>;

		};



		power-button {

			gpios = <&gpio ASPEED_GPIO(R, 5) GPIO_ACTIVE_LOW>;

		};

	};



	fsi: gpio-fsi {

		compatible = "fsi-master-gpio", "fsi-master";

		#address-cells = <2>;

		#size-cells = <0>;



		clock-gpios = <&gpio ASPEED_GPIO(AA, 0) GPIO_ACTIVE_HIGH>;

		data-gpios = <&gpio ASPEED_GPIO(E, 0) GPIO_ACTIVE_HIGH>;

		mux-gpios = <&gpio ASPEED_GPIO(A, 6) GPIO_ACTIVE_HIGH>;

		enable-gpios = <&gpio ASPEED_GPIO(D, 0) GPIO_ACTIVE_HIGH>;

		trans-gpios = <&gpio ASPEED_GPIO(R, 2) GPIO_ACTIVE_HIGH>;

	};



	iio-hwmon-dps310 {

		compatible = "iio-hwmon";

		io-channels = <&dps 0>;

	};



	iio-hwmon-bmp280 {

		compatible = "iio-hwmon";

		io-channels = <&bmp 1>;

	};



};



&fmc {

	status = "okay";



	flash@0 {

		status = "okay";

		label = "bmc";

		m25p,fast-read;

#include "openbmc-flash-layout.dtsi"

	};



	flash@1 {

		status = "okay";

		label = "alt";

		m25p,fast-read;

	};

};



&spi1 {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_spi1_default>;



	flash@0 {

		status = "okay";

		label = "pnor";

		m25p,fast-read;

	};

};



&uart1 {

	/* Rear RS-232 connector */

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_txd1_default

			&pinctrl_rxd1_default

			&pinctrl_nrts1_default

			&pinctrl_ndtr1_default

			&pinctrl_ndsr1_default

			&pinctrl_ncts1_default

			&pinctrl_ndcd1_default

			&pinctrl_nri1_default>;

};



&uart2 {

	/* APSS */

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_txd2_default &pinctrl_rxd2_default>;

};



&uart5 {

	status = "okay";

};



&lpc_ctrl {

	status = "okay";

	memory-region = <&flash_memory>;

	flash = <&spi1>;

};



&mac0 {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_rmii1_default>;

	use-ncsi;

};



&i2c2 {

	status = "okay";



	/* MUX ->

	 *    Samtec 1

	 *    Samtec 2

	 */

};



&i2c3 {

	status = "okay";



	bmp: bmp280@77 {

		compatible = "bosch,bmp280";

		reg = <0x77>;

		#io-channel-cells = <1>;

	};



	max31785@52 {

		compatible = "maxim,max31785a";

		reg = <0x52>;

		#address-cells = <1>;

		#size-cells = <0>;

	};



	dps: dps310@76 {

		compatible = "infineon,dps310";

		reg = <0x76>;

		#io-channel-cells = <0>;

	};



	pca0: pca9552@60 {

		compatible = "nxp,pca9552";

		reg = <0x60>;

		#address-cells = <1>;

		#size-cells = <0>;



		gpio-controller;

		#gpio-cells = <2>;



		gpio@0 {

			reg = <0>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@1 {

			reg = <1>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@2 {

			reg = <2>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@3 {

			reg = <3>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@4 {

			reg = <4>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@5 {

			reg = <5>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@6 {

			reg = <6>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@7 {

			reg = <7>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@8 {

			reg = <8>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@9 {

			reg = <9>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@10 {

			reg = <10>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@11 {

			reg = <11>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@12 {

			reg = <12>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@13 {

			reg = <13>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@14 {

			reg = <14>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@15 {

			reg = <15>;

			type = <PCA955X_TYPE_GPIO>;

		};

	};



	power-supply@68 {

		compatible = "ibm,cffps1";

		reg = <0x68>;

	};



	power-supply@69 {

		compatible = "ibm,cffps1";

		reg = <0x69>;

	};

};



&i2c4 {

	status = "okay";



	tmp423a@4c {

		compatible = "ti,tmp423";

		reg = <0x4c>;

	};



	ir35221@70 {

		compatible = "infineon,ir35221";

		reg = <0x70>;

	};



	ir35221@71 {

		compatible = "infineon,ir35221";

		reg = <0x71>;

	};

};





&i2c5 {

	status = "okay";



	tmp423a@4c {

		compatible = "ti,tmp423";

		reg = <0x4c>;

	};



	ir35221@70 {

		compatible = "infineon,ir35221";

		reg = <0x70>;

	};



	ir35221@71 {

		compatible = "infineon,ir35221";

		reg = <0x71>;

	};

};



&i2c9 {

	status = "okay";



	tmp275@4a {

		compatible = "ti,tmp275";

		reg = <0x4a>;

	};

};



&i2c10 {

	/* MUX

	 *   -> PCIe Slot 3

	 *   -> PCIe Slot 4

	 */

	status = "okay";

};



&i2c11 {

	status = "okay";



	pca9552: pca9552@60 {

		compatible = "nxp,pca9552";

		reg = <0x60>;

		#address-cells = <1>;

		#size-cells = <0>;

		gpio-controller;

		#gpio-cells = <2>;



		gpio-line-names = "PS_SMBUS_RESET_N", "APSS_RESET_N",

			"GPU0_TH_OVERT_N_BUFF",	"GPU1_TH_OVERT_N_BUFF",

			"GPU2_TH_OVERT_N_BUFF", "GPU3_TH_OVERT_N_BUFF",

			"GPU4_TH_OVERT_N_BUFF",	"GPU5_TH_OVERT_N_BUFF",

			"GPU0_PWR_GOOD_BUFF", "GPU1_PWR_GOOD_BUFF",

			"GPU2_PWR_GOOD_BUFF", "GPU3_PWR_GOOD_BUFF",

			"GPU4_PWR_GOOD_BUFF", "GPU5_PWR_GOOD_BUFF",

			"12V_BREAKER_FLT_N", "THROTTLE_UNLATCHED_N";



		gpio@0 {

			reg = <0>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@1 {

			reg = <1>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@2 {

			reg = <2>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@3 {

			reg = <3>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@4 {

			reg = <4>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@5 {

			reg = <5>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@6 {

			reg = <6>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@7 {

			reg = <7>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@8 {

			reg = <8>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@9 {

			reg = <9>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@10 {

			reg = <10>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@11 {

			reg = <11>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@12 {

			reg = <12>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@13 {

			reg = <13>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@14 {

			reg = <14>;

			type = <PCA955X_TYPE_GPIO>;

		};



		gpio@15 {

			reg = <15>;

			type = <PCA955X_TYPE_GPIO>;

		};

	};



	rtc@32 {

		compatible = "epson,rx8900";

		reg = <0x32>;

	};



	eeprom@51 {

		compatible = "atmel,24c64";

		reg = <0x51>;

	};



	ucd90160@64 {

		compatible = "ti,ucd90160";

		reg = <0x64>;

	};

};



&i2c12 {

	status = "okay";

};



&i2c13 {

	status = "okay";

};



&vuart {

	status = "okay";

};



&gfx {

	status = "okay";

};



&pinctrl {

	aspeed,external-nodes = <&gfx &lhc>;

};



&wdt1 {

	aspeed,reset-type = "none";

	aspeed,external-signal;

	aspeed,ext-push-pull;

	aspeed,ext-active-high;



	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_wdtrst1_default>;

};