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Date:   Thu, 16 Apr 2020 13:25:31 +0930
From:   "Andrew Jeffery" <andrew@aj.id.au>
To:     "Alexander A. Filippov" <a.filippov@yadro.com>,
        linux-aspeed@lists.ozlabs.org
Cc:     linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        devicetree@vger.kernel.org, "Joel Stanley" <joel@jms.id.au>,
        "Rob Herring" <robh+dt@kernel.org>
Subject: Re: [PATCH v2] ARM: DTS: Aspeed: Add YADRO Nicole BMC
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Sender: linux-kernel-owner@vger.kernel.org
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On Sat, 11 Apr 2020, at 02:46, Alexander Filippov wrote:
> Nicole is an OpenPower machine with an Aspeed 2500 BMC SoC manufactured
> by YADRO.
> 
> Signed-off-by: Alexander Filippov <a.filippov@yadro.com>
> ---
>  arch/arm/boot/dts/Makefile                  |   1 +
>  arch/arm/boot/dts/aspeed-bmc-opp-nicole.dts | 270 ++++++++++++++++++++
>  2 files changed, 271 insertions(+)
>  create mode 100644 arch/arm/boot/dts/aspeed-bmc-opp-nicole.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index e8dd99201397..6f9fe0f959f2 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1347,6 +1347,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
>  	aspeed-bmc-microsoft-olympus.dtb \
>  	aspeed-bmc-opp-lanyang.dtb \
>  	aspeed-bmc-opp-mihawk.dtb \
> +	aspeed-bmc-opp-nicole.dtb \
>  	aspeed-bmc-opp-palmetto.dtb \
>  	aspeed-bmc-opp-romulus.dtb \
>  	aspeed-bmc-opp-swift.dtb \
> diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-nicole.dts 
> b/arch/arm/boot/dts/aspeed-bmc-opp-nicole.dts
> new file mode 100644
> index 000000000000..3f1d92bab07b
> --- /dev/null
> +++ b/arch/arm/boot/dts/aspeed-bmc-opp-nicole.dts
> @@ -0,0 +1,270 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +// Copyright 2019 YADRO
> +/dts-v1/;
> +#include "aspeed-g5.dtsi"
> +#include <dt-bindings/gpio/aspeed-gpio.h>
> +
> +/ {
> +	model = "Nicole BMC";
> +	compatible = "yadro,nicole-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;
> +
> +		vga_memory: framebuffer@9f000000 {
> +			no-map;
> +			reg = <0x9f000000 0x01000000>; /* 16M */
> +		};
> +
> +		flash_memory: region@98000000 {
> +			no-map;
> +			reg = <0x98000000 0x04000000>; /* 64M */
> +		};
> +
> +		coldfire_memory: codefire_memory@9ef00000 {
> +			reg = <0x9ef00000 0x00100000>;
> +			no-map;
> +		};
> +
> +		gfx_memory: framebuffer {
> +			size = <0x01000000>;
> +			alignment = <0x01000000>;
> +			compatible = "shared-dma-pool";
> +			reusable;
> +		};
> +
> +		video_engine_memory: jpegbuffer {
> +			size = <0x02000000>;	/* 32M */
> +			alignment = <0x01000000>;
> +			compatible = "shared-dma-pool";
> +			reusable;
> +		};
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +
> +		power {
> +			gpios = <&gpio ASPEED_GPIO(AA, 4) GPIO_ACTIVE_HIGH>;
> +		};
> +
> +		identify {
> +			gpios = <&gpio ASPEED_GPIO(AA, 7) GPIO_ACTIVE_HIGH>;
> +		};
> +
> +		alarm_red {
> +			gpios = <&gpio ASPEED_GPIO(AA, 3) GPIO_ACTIVE_HIGH>;
> +		};
> +
> +		alarm_yellow {
> +			gpios = <&gpio ASPEED_GPIO(AA, 1) GPIO_ACTIVE_HIGH>;
> +		};
> +	};
> +
> +	fsi: gpio-fsi {
> +		compatible = "aspeed,ast2500-cf-fsi-master", "fsi-master";
> +		#address-cells = <2>;
> +		#size-cells = <0>;
> +		no-gpio-delays;
> +
> +		memory-region = <&coldfire_memory>;
> +		aspeed,sram = <&sram>;
> +		aspeed,cvic = <&cvic>;
> +
> +		clock-gpios = <&gpio ASPEED_GPIO(AA, 0) GPIO_ACTIVE_HIGH>;
> +		data-gpios = <&gpio ASPEED_GPIO(AA, 2) 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(P, 1) GPIO_ACTIVE_HIGH>;
> +	};
> +
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +
> +		checkstop {
> +			label = "checkstop";
> +			gpios = <&gpio ASPEED_GPIO(J, 2) GPIO_ACTIVE_LOW>;
> +			linux,code = <ASPEED_GPIO(J, 2)>;
> +		};
> +	};
> +
> +	iio-hwmon-battery {
> +		compatible = "iio-hwmon";
> +		io-channels = <&adc 12>;

You should request the ADC pin via pinctrl in the ADC node below.

Andrew

> +	};
> +};
> +
> +&fmc {
> +	status = "okay";
> +	flash@0 {
> +		status = "okay";
> +		m25p,fast-read;
> +		label = "bmc";
> +		spi-max-frequency = <50000000>;
> +#include "openbmc-flash-layout.dtsi"
> +	};
> +};
> +
> +&spi1 {
> +	status = "okay";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_spi1_default>;
> +
> +	flash@0 {
> +		status = "okay";
> +		m25p,fast-read;
> +		label = "pnor";
> +		spi-max-frequency = <100000000>;
> +	};
> +};
> +
> +&lpc_ctrl {
> +	status = "okay";
> +	memory-region = <&flash_memory>;
> +	flash = <&spi1>;
> +};
> +
> +&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>;
> +};
> +
> +&uart5 {
> +	status = "okay";
> +};
> +
> +&mac0 {
> +	status = "okay";
> +
> +	use-ncsi;
> +
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_rmii1_default>;
> +	clocks = <&syscon ASPEED_CLK_GATE_MAC1CLK>,
> +		 <&syscon ASPEED_CLK_MAC1RCLK>;
> +	clock-names = "MACCLK", "RCLK";
> +};
> +
> +&i2c0 {
> +	status = "okay";
> +
> +	eeprom@50 {
> +		compatible = "atmel,24c256";
> +		reg = <0x50>;
> +		pagesize = <64>;
> +	};
> +};
> +
> +&i2c2 {
> +	status = "okay";
> +    /* CPU0 characterization connector */
> +};
> +
> +&i2c3 {
> +	status = "okay";
> +    /* CLK GEN SI5338 */
> +};
> +
> +&i2c4 {
> +	status = "okay";
> +    /* Voltage regulators for CPU0 */
> +};
> +
> +&i2c5 {
> +	status = "okay";
> +    /* Voltage regulators for CPU1 */
> +};
> +
> +&i2c6 {
> +	status = "okay";
> +
> +	rtc@32 {
> +		compatible = "epson,rx8900";
> +		reg = <0x32>;
> +	};
> +};
> +
> +&i2c7 {
> +	status = "okay";
> +    /* CPLD */
> +};
> +
> +&gpio {
> +	nic_func_mode0 {
> +		gpio-hog;
> +		gpios = <ASPEED_GPIO(D, 3) GPIO_ACTIVE_HIGH>;
> +		output-low;
> +		line-name = "nic_func_mode0";
> +	};
> +	nic_func_mode1 {
> +		gpio-hog;
> +		gpios = <ASPEED_GPIO(D, 4) GPIO_ACTIVE_HIGH>;
> +		output-low;
> +		line-name = "nic_func_mode1";
> +	};
> +	seq_cont {
> +		gpio-hog;
> +		gpios = <ASPEED_GPIO(S, 7) GPIO_ACTIVE_HIGH>;
> +		output-low;
> +		line-name = "seq_cont";
> +	};
> +	ncsi_cfg {
> +		gpio-hog;
> +		input;
> +		gpios = <ASPEED_GPIO(E, 1) GPIO_ACTIVE_HIGH>;
> +		line-name = "ncsi_cfg";
> +	};
> +};
> +
> +&vuart {
> +	status = "okay";
> +};
> +
> +&gfx {
> +	status = "okay";
> +	memory-region = <&gfx_memory>;
> +};
> +
> +&pinctrl {
> +	aspeed,external-nodes = <&gfx &lhc>;
> +};
> +
> +&ibt {
> +	status = "okay";
> +};
> +
> +&vhub {
> +	status = "okay";
> +};
> +
> +&adc {
> +	status = "okay";
> +};
> +
> +&video {
> +	status = "okay";
> +	memory-region = <&video_engine_memory>;
> +};
> +
> +#include "ibm-power9-dual.dtsi"
> -- 
> 2.21.1
> 
>