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Fri, 14 Feb 2020 00:34:48 -0600 Received: from DLEE111.ent.ti.com (157.170.170.22) by DLEE106.ent.ti.com (157.170.170.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3; Fri, 14 Feb 2020 00:34:47 -0600 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE111.ent.ti.com (157.170.170.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3 via Frontend Transport; Fri, 14 Feb 2020 00:34:47 -0600 Received: from a0393675ula.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 01E6YdP3028331; Fri, 14 Feb 2020 00:34:44 -0600 From: Keerthy To: , , Subject: [PATCH v2 1/4] dt-bindings: thermal: k3: Add VTM bindings documentation Date: Fri, 14 Feb 2020 12:04:40 +0530 Message-ID: <20200214063443.23589-2-j-keerthy@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200214063443.23589-1-j-keerthy@ti.com> References: <20200214063443.23589-1-j-keerthy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200213_223504_763971_236B2C47 X-CRM114-Status: GOOD ( 13.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, amit.kucheria@verdurent.com, linux-pm@vger.kernel.org, j-keerthy@ti.com, linux-kernel@vger.kernel.org, t-kristo@ti.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add VTM bindings documentation. In the Voltage Thermal Management Module(VTM), K3 AM654 supplies a voltage reference and a temperature sensor feature that are gathered in the band gap voltage and temperature sensor (VBGAPTS) module. The band gap provides current and voltage reference for its internal circuits and other analog IP blocks. The analog-to-digital converter (ADC) produces an output value that is proportional to the silicon temperature. Signed-off-by: Keerthy --- Changes in v2: * Fixed make dt_binding_check errors. .../bindings/thermal/ti,am654-thermal.yaml | 57 +++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/thermal/ti,am654-thermal.yaml diff --git a/Documentation/devicetree/bindings/thermal/ti,am654-thermal.yaml b/Documentation/devicetree/bindings/thermal/ti,am654-thermal.yaml new file mode 100644 index 000000000000..1c26ad8cd505 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/ti,am654-thermal.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/thermal/ti,am654-thermal.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments AM654 VTM (DTS) binding + +maintainers: + - Keerthy + +properties: + compatible: + const: ti,am654-vtm + + reg: + maxItems: 1 + + power-domains: + maxItems: 1 + description: phandle to the associated power domain + + "#thermal-sensor-cells": + const: 1 + +required: + - "#thermal-sensor-cells" + - compatible + - reg + - power-domains + +additionalProperties: false + +examples: + - | + + vtm: wkup_vtm0@42050000 { + compatible = "ti,am654-vtm"; + reg = <0x0 0x42050000 0x0 0x25c>; + power-domains = <&k3_pds 80 TI_SCI_PD_EXCLUSIVE>; + #thermal-sensor-cells = <1>; + }; + + mpu0_thermal: mpu0_thermal { + polling-delay-passive = <250>; /* milliseconds */ + polling-delay = <500>; /* milliseconds */ + thermal-sensors = <&wkup_vtm0 0>; + + trips { + mpu0_crit: mpu0_crit { + temperature = <125000>; /* milliCelsius */ + hysteresis = <2000>; /* milliCelsius */ + type = "critical"; + }; + }; + }; +... -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel