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Wed, 22 Jul 2020 21:55:32 +0000 From: Supreeth Venkatesh To: joel@jms.id.au, andrew@aj.id.au, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, openbmc@lists.ozlabs.org, robh+dt@kernel.org Cc: Supreeth Venkatesh Subject: [PATCH v2 1/1] ARM:dts:aspeed: Initial device tree for AMD EthanolX Date: Wed, 22 Jul 2020 16:55:06 -0500 Message-Id: <20200722215506.5984-1-supreeth.venkatesh@amd.com> X-Mailer: git-send-email 2.17.1 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: SN4PR0701CA0002.namprd07.prod.outlook.com (2603:10b6:803:28::12) To MN2PR12MB4582.namprd12.prod.outlook.com (2603:10b6:208:26b::18) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from BMCDEV-02.amd.com (165.204.78.1) by SN4PR0701CA0002.namprd07.prod.outlook.com (2603:10b6:803:28::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3216.23 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: /VrQ9RWC/f+pC+21P40CKTfnhMYrV2IFzJkKQrHnujhConufO2in+3MQ8S1P7CDxNbS1sAzMaW1GUQ0eA/sHiVKGZwoQp5hM7kkgFmqnizmDUpecm8sgjLPZwDxlM5xXnsJtfIxfM5JxacKisGYd/pShOe0eV1hX+86ygArFpCUUkMrF4X8vJhLZMFSNVyqNyNnxDBfj84BrUELfldXuthREGzJR/m44b+KPqT9eyLVV4QD5B+/nEUachmf+klHYc7f6W8iaC17Rt1uKwQuaZcxa0hcrG7o5oRAkhwuPQ1RtBaOt/r8dmN+Bjvd9/XJD1sOnYTyeJ7sGclk23AmpX6tUXA2HTJhfAPAVHshSzjppc6rb9IwI0zntGqeGWITj2sDG2PaTUWDsG4bCuOz+MTl5UNOufnHEHUmbuxW3MrnsUqH+Hl7n0txLgyNdHpditCZ9Rnr3bxaWWaz8Mu4TKFp96fWQfIbKKVEcLFpxVYU= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 67349b89-ce61-402c-a4e6-08d82e89f466 X-MS-Exchange-CrossTenant-AuthSource: MN2PR12MB4582.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Jul 2020 21:55:31.9894 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: lRwILJdWd74pFCSnRnj2Giis/1tcq4/SjqvqnljNc1SozvSDAEmF3TlHownd3qNlIty+K3GunLcj/Ke+XbuqFQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB3917 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Initial introduction of AMD EthanolX platform equipped with an Aspeed ast2500 BMC manufactured by AMD. AMD EthanolX platform is an AMD customer reference board with an Aspeed ast2500 BMC manufactured by AMD. This adds AMD EthanolX device tree file including the flash layout used by EthanolX BMC machines. This also adds an entry of AMD EthanolX device tree file in Makefile. Signed-off-by: Supreeth Venkatesh --- Changes since v1: * Addressed review comment regarding SPDX License Identifier * Added I2c0 and I2c1 which cater to AMD's APML Interface --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts | 221 ++++++++++++++++++ 2 files changed, 222 insertions(+) create mode 100644 arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index d6dfdf73e66b..55ed881d2ebc 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1281,6 +1281,7 @@ dtb-$(CONFIG_ARCH_ZX) += zx296702-ad1.dtb dtb-$(CONFIG_ARCH_ASPEED) += \ aspeed-ast2500-evb.dtb \ aspeed-ast2600-evb.dtb \ + aspeed-bmc-amd-ethanolx.dtb \ aspeed-bmc-arm-centriq2400-rep.dtb \ aspeed-bmc-arm-stardragon4800-rep2.dtb \ aspeed-bmc-facebook-cmm.dtb \ diff --git a/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts b/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts new file mode 100644 index 000000000000..3d67fa31a3ab --- /dev/null +++ b/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts @@ -0,0 +1,221 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2020 AMD Inc. +// Author: Supreeth Venkatesh +/dts-v1/; + +#include "aspeed-g5.dtsi" +#include + +/ { + model = "AMD EthanolX BMC"; + compatible = "amd,ethanolx-bmc", "aspeed,ast2500"; + + memory@80000000 { + reg = <0x80000000 0x20000000>; + }; + aliases { + serial0 = &uart1; + serial4 = &uart5; + }; + chosen { + stdout-path = &uart5; + bootargs = "console=ttyS4,115200 earlyprintk"; + }; + leds { + compatible = "gpio-leds"; + + fault { + gpios = <&gpio ASPEED_GPIO(A, 2) GPIO_ACTIVE_LOW>; + }; + + identify { + gpios = <&gpio ASPEED_GPIO(A, 3) GPIO_ACTIVE_LOW>; + }; + }; + iio-hwmon { + compatible = "iio-hwmon"; + io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>, <&adc 4>; + }; +}; + +&fmc { + status = "okay"; + flash@0 { + status = "okay"; + m25p,fast-read; + #include "openbmc-flash-layout.dtsi" + }; +}; + + +&mac0 { + status = "okay"; + + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rmii1_default>; + clocks = <&syscon ASPEED_CLK_GATE_MAC1CLK>, + <&syscon ASPEED_CLK_MAC1RCLK>; + clock-names = "MACCLK", "RCLK"; +}; + +&uart1 { + //Host Console + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_txd1_default + &pinctrl_rxd1_default>; +}; + +&uart5 { + //BMC Console + status = "okay"; +}; + +&adc { + status = "okay"; + + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_adc0_default + &pinctrl_adc1_default + &pinctrl_adc2_default + &pinctrl_adc3_default + &pinctrl_adc4_default>; +}; + +//APML for P0 +&i2c0 { + reg = <0x80 0x40>; + status = "okay"; +}; + +//APML for P1 +&i2c1 { + reg = <0xc0 0x40>; + status = "okay"; +}; + +// Thermal Sensors +&i2c7 { + status = "okay"; + + lm75a@48 { + compatible = "national,lm75a"; + reg = <0x48>; + }; + + lm75a@49 { + compatible = "national,lm75a"; + reg = <0x49>; + }; + + lm75a@4a { + compatible = "national,lm75a"; + reg = <0x4a>; + }; + + lm75a@4b { + compatible = "national,lm75a"; + reg = <0x4b>; + }; + + lm75a@4c { + compatible = "national,lm75a"; + reg = <0x4c>; + }; + + lm75a@4d { + compatible = "national,lm75a"; + reg = <0x4d>; + }; + + lm75a@4e { + compatible = "national,lm75a"; + reg = <0x4e>; + }; + + lm75a@4f { + compatible = "national,lm75a"; + reg = <0x4f>; + }; +}; + +&kcs1 { + status = "okay"; + kcs_addr = <0x60>; +}; + +&kcs2 { + status = "okay"; + kcs_addr = <0x62>; +}; + +&kcs4 { + status = "okay"; + kcs_addr = <0x97DE>; +}; + +&lpc_snoop { + status = "okay"; + snoop-ports = <0x80>; +}; + +&lpc_ctrl { + //Enable lpc clock + status = "okay"; +}; + +&pwm_tacho { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwm0_default + &pinctrl_pwm1_default + &pinctrl_pwm2_default + &pinctrl_pwm3_default + &pinctrl_pwm4_default + &pinctrl_pwm5_default + &pinctrl_pwm6_default + &pinctrl_pwm7_default>; + + fan@0 { + reg = <0x00>; + aspeed,fan-tach-ch = /bits/ 8 <0x00>; + }; + + fan@1 { + reg = <0x01>; + aspeed,fan-tach-ch = /bits/ 8 <0x01>; + }; + + fan@2 { + reg = <0x02>; + aspeed,fan-tach-ch = /bits/ 8 <0x02>; + }; + + fan@3 { + reg = <0x03>; + aspeed,fan-tach-ch = /bits/ 8 <0x03>; + }; + + fan@4 { + reg = <0x04>; + aspeed,fan-tach-ch = /bits/ 8 <0x04>; + }; + + fan@5 { + reg = <0x05>; + aspeed,fan-tach-ch = /bits/ 8 <0x05>; + }; + + fan@6 { + reg = <0x06>; + aspeed,fan-tach-ch = /bits/ 8 <0x06>; + }; + + fan@7 { + reg = <0x07>; + aspeed,fan-tach-ch = /bits/ 8 <0x07>; + }; +}; + + + -- 2.17.1