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Date:   Fri, 13 Dec 2019 19:21:31 +0530
From:   Manikandan Elumalai <manikandan.hcl.ers.epl@gmail.com>
To:     andrew@aj.id.au, joel@jms.id.au
Cc:     sdasari@fb.com, vijaykhemka@fb.com, linux-kernel@vger.kernel.org,
        devicetree@vger.kernel.org, linux-aspeed@lists.ozlabs.org,
        manikandan.e@hcl.com, openbmc@lists.ozlabs.org
Subject: [PATCH v5] ARM: dts: aspeed: Adding Facebook Yosemite V2 BMC
Message-ID: <20191213135131.GA1822@cnn>
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The Yosemite V2 is a facebook multi-node server
platform that host four OCP server. The BMC
in the Yosemite V2 platform based on AST2500 SoC.

This patch adds linux device tree entry related to
Yosemite V2 specific devices connected to BMC SoC.

Signed-off-by : Manikandan Elumalai <manikandan.hcl.ers.epl@gmail.com>
Acked-by        : Andrew Jeffery <andrew@aj.id.au>
Reviewed-by  : Vijay Khemka <vkhemka@fb.com>
--- 
---      v5 - Spell and contributor name correction.
---           - License identifier changed to GPL-2.0-or-later.
---           - aspeed-gpio.h removed.
---           - FAN2 tacho channel changed.
---      v4 - Bootargs removed.
---      v3 - Uart1 Debug removed .
---      v2 - LPC and VUART removed .
---      v1 - Initial draft.
--- 
 .../boot/dts/aspeed-bmc-facebook-yosemitev2.dts    | 148 +++++++++++++++++++++
 1 file changed, 148 insertions(+)
 create mode 100644 arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts

diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts
new file mode 100644
index 0000000..ffd7f4c
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright (c) 2018 Facebook Inc.
+
+/dts-v1/;
+
+#include "aspeed-g5.dtsi"
+/ {
+	model = "Facebook Yosemitev2 BMC";
+	compatible = "facebook,yosemitev2-bmc", "aspeed,ast2500";
+	aliases {
+		serial4 = &uart5;
+	};
+	chosen {
+		stdout-path = &uart5;
+	};
+
+	memory@80000000 {
+		reg = <0x80000000 0x20000000>;
+	};
+
+	iio-hwmon {
+		// VOLATAGE SENSOR
+		compatible = "iio-hwmon";
+		io-channels = <&adc 0> , <&adc 1> , <&adc 2> ,  <&adc 3> ,
+		<&adc 4> , <&adc 5> , <&adc 6> ,  <&adc 7> ,
+		<&adc 8> , <&adc 9> , <&adc 10>, <&adc 11> ,
+		<&adc 12> , <&adc 13> , <&adc 14> , <&adc 15> ;
+	};
+};
+
+&fmc {
+	status = "okay";
+	flash@0 {
+		status = "okay";
+		m25p,fast-read;
+#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";
+	};
+};
+
+&uart5 {
+	// BMC Console
+	status = "okay";
+};
+
+&mac0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_rmii1_default>;
+	use-ncsi;
+};
+
+&adc {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_adc0_default
+			&pinctrl_adc1_default
+			&pinctrl_adc2_default
+			&pinctrl_adc3_default
+			&pinctrl_adc4_default
+			&pinctrl_adc5_default
+			&pinctrl_adc6_default
+			&pinctrl_adc7_default
+			&pinctrl_adc8_default
+			&pinctrl_adc9_default
+			&pinctrl_adc10_default
+			&pinctrl_adc11_default
+			&pinctrl_adc12_default
+			&pinctrl_adc13_default
+			&pinctrl_adc14_default
+			&pinctrl_adc15_default>;
+};
+
+&i2c8 {
+	//FRU EEPROM
+	status = "okay";
+	eeprom@51 {
+		compatible = "atmel,24c64";
+		reg = <0x51>;
+		pagesize = <32>;
+	};
+};
+
+&i2c9 {
+	//INLET & OUTLET TEMP
+	status = "okay";
+	tmp421@4e {
+		compatible = "ti,tmp421";
+		reg = <0x4e>;
+	};
+	tmp421@4f {
+		compatible = "ti,tmp421";
+		reg = <0x4f>;
+	};
+};
+
+&i2c10 {
+	//HSC
+	status = "okay";
+	adm1278@40 {
+		compatible = "adi,adm1278";
+		reg = <0x40>;
+	};
+};
+
+&i2c11 {
+	//MEZZ_TEMP_SENSOR
+	status = "okay";
+	tmp421@1f {
+		compatible = "ti,tmp421";
+		reg = <0x1f>;
+	};
+};
+
+&i2c12 {
+	//MEZZ_FRU
+	status = "okay";
+	eeprom@51 {
+		compatible = "atmel,24c64";
+		reg = <0x51>;
+		pagesize = <32>;
+	};
+};
+
+&pwm_tacho {
+	//FSC
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm0_default &pinctrl_pwm1_default>;
+	fan@0 {
+		reg = <0x00>;
+		aspeed,fan-tach-ch = /bits/ 8 <0x00>;
+	};
+	fan@1 {
+		reg = <0x01>;
+		aspeed,fan-tach-ch = /bits/ 8 <0x01>;
+	};
+};
-- 
2.7.4