linux-kernel - [PATCH v3 1/3] dt-bindings: Document the hi3660 thermal sensor bindings

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Message-ID: <1502353935-92924-2-git-send-email-kevin.wangtao@hisilicon.com>
Date:   Thu, 10 Aug 2017 16:32:13 +0800
From:   Tao Wang <kevin.wangtao@...ilicon.com>
To:     <rui.zhang@...el.com>, <edubezval@...il.com>,
        <xuwei5@...ilicon.com>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <catalin.marinas@....com>,
        <will.deacon@....com>
CC:     <leo.yan@...aro.org>, <kevin.wangtao@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-pm@...r.kernel.org>, <sunzhaosheng@...ilicon.com>
Subject: [PATCH v3 1/3] dt-bindings: Document the hi3660 thermal sensor bindings

From: Tao Wang <kevin.wangtao@...aro.org>

This adds documentation of device tree bindings for the
thermal sensor controller of hi3660 SoC.

Signed-off-by: Tao Wang <kevin.wangtao@...aro.org>
---
 .../devicetree/bindings/thermal/hisi-tsensor.txt   | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/thermal/hisi-tsensor.txt

diff --git a/Documentation/devicetree/bindings/thermal/hisi-tsensor.txt b/Documentation/devicetree/bindings/thermal/hisi-tsensor.txt
new file mode 100644
index 0000000..2ab0eb9
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/hisi-tsensor.txt
@@ -0,0 +1,23 @@
+* Temperature Sensor on hisilicon SoC
+
+** Required properties :
+
+- compatible: "hisilicon,thermal-tsensor".
+- reg: physical base address of thermal sensor and length of memory mapped
+  region.
+- offset: reg offset of each sensor.
+- coefficients:	An array of integers (one signed cell) containing
+		coefficients to turn adc value to temperture.
+- hisi,adc-range: adc value range, minimum value is followed by maximum value.
+- #thermal-sensor-cells: Should be 1. See ./thermal.txt for a description.
+
+Example :
+
+tsensor: tsensor@...3000 {
+	compatible = "hisilicon,tsensor";
+	reg = <0x0 0xfff30000 0x0 0x1000>;
+	offset = <0x1c 0x5c 0x9c>;
+	coefficients = <165000 (-40000)>;
+	hisi,adc-range = <0x74 0x39A>;
+	#thermal-sensor-cells = <1>;
+};
-- 
2.8.1