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Mon, 29 Mar 2021 01:53:17 +0000 From: Quan Nguyen To: Joel Stanley , Andrew Jeffery , Jean Delvare , Guenter Roeck , Rob Herring , Lee Jones , Jonathan Corbet , linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-aspeed@lists.ozlabs.org, openbmc@lists.ozlabs.org Subject: [PATCH v2 1/4] dt-bindings: mfd: Add bindings for Ampere Altra SMPro drivers Date: Mon, 29 Mar 2021 08:52:35 +0700 Message-Id: <20210329015238.19474-2-quan@os.amperecomputing.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210329015238.19474-1-quan@os.amperecomputing.com> References: <20210329015238.19474-1-quan@os.amperecomputing.com> X-Originating-IP: [118.69.219.201] X-ClientProxiedBy: HK2PR0302CA0008.apcprd03.prod.outlook.com (2603:1096:202::18) To MW2PR0102MB3482.prod.exchangelabs.com (2603:10b6:302:c::32) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from hcm-sw-17.amperecomputing.com (118.69.219.201) by HK2PR0302CA0008.apcprd03.prod.outlook.com (2603:1096:202::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3999.14 via Frontend Transport; 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Nguyen" , Phong Vo Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" Adds device tree bindings for SMPro drivers found on the Mt.Jade hardware reference platform with Ampere's Altra Processor family. Signed-off-by: Quan Nguyen --- .../bindings/hwmon/ampere,ac01-hwmon.yaml | 27 ++++++ .../devicetree/bindings/mfd/ampere,smpro.yaml | 82 +++++++++++++++++++ 2 files changed, 109 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/ampere,ac01-hwmon.yaml create mode 100644 Documentation/devicetree/bindings/mfd/ampere,smpro.yaml diff --git a/Documentation/devicetree/bindings/hwmon/ampere,ac01-hwmon.yaml b/Documentation/devicetree/bindings/hwmon/ampere,ac01-hwmon.yaml new file mode 100644 index 000000000000..015130a281f4 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/ampere,ac01-hwmon.yaml @@ -0,0 +1,27 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/ampere,ac01-hwmon.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Hardware monitoring driver for the Ampere Altra SMPro + +maintainers: + - Quan Nguyen + +description: | + This module is part of the Ampere Altra SMPro multi-function device. For more + details see ../mfd/ampere,smpro.yaml. + +properties: + compatible: + enum: + - ampere,ac01-hwmon + + reg: + maxItems: 1 + +required: + - compatible + +additionalProperties: false diff --git a/Documentation/devicetree/bindings/mfd/ampere,smpro.yaml b/Documentation/devicetree/bindings/mfd/ampere,smpro.yaml new file mode 100644 index 000000000000..bf789c8a3d7d --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/ampere,smpro.yaml @@ -0,0 +1,82 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/ampere,smpro.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ampere Altra SMPro firmware driver + +maintainers: + - Quan Nguyen + +description: | + Ampere Altra SMPro firmware may contain different blocks like hardware + monitoring, error monitoring and other miscellaneous features. + +properties: + compatible: + const: ampere,smpro + + reg: + description: + I2C device address. + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "^hwmon(@[0-9a-f]+)?$": + $ref: ../hwmon/ampere,ac01-hwmon.yaml + + "^misc(@[0-9a-f]+)?$": + type: object + description: Ampere Altra SMPro Misc driver + properties: + compatible: + const: "ampere,ac01-misc" + + "^errmon(@[0-9a-f]+)?$": + type: object + description: Ampere Altra SMPro Error Monitor driver + properties: + compatible: + const: "ampere,ac01-errmon" + +required: + - "#address-cells" + - "#size-cells" + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + smpro@4f { + compatible = "ampere,smpro"; + reg = <0x4f>; + #address-cells = <1>; + #size-cells = <0>; + + hwmon { + compatible = "ampere,ac01-hwmon"; + }; + + misc { + compatible = "ampere,ac01-misc"; + }; + + errmon { + compatible = "ampere,ac01-errmon"; + }; + + }; + };