linux-kernel - [PATCH 2/3] dt-bindings: hwmon: Add bindings for Google Chromium EC HWMON

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Message-Id: <1491602410-31518-2-git-send-email-moritz.fischer@ettus.com>
Date:   Fri,  7 Apr 2017 15:00:09 -0700
From:   Moritz Fischer <moritz.fischer@...us.com>
To:     linux-hwmon@...r.kernel.org
Cc:     moritz.fischer@...us.com, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, lee.jones@...aro.org, olof@...om.net,
        linux@...ck-us.net, jdelvare@...e.com, robh+dt@...nel.org,
        mark.rutland@....com, Moritz Fischer <mdf@...nel.org>
Subject: [PATCH 2/3] dt-bindings: hwmon: Add bindings for Google Chromium EC HWMON

From: Moritz Fischer <mdf@...nel.org>

Add bindings for the Chromium EC HWMON. The Chromium EC HWMON
allows monitoring of temperature sensors and fans attached to the
EC.

Signed-off-by: Moritz Fischer <mdf@...nel.org>
---
 .../devicetree/bindings/hwmon/cros-ec-hwmon.txt    | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/cros-ec-hwmon.txt

diff --git a/Documentation/devicetree/bindings/hwmon/cros-ec-hwmon.txt b/Documentation/devicetree/bindings/hwmon/cros-ec-hwmon.txt
new file mode 100644
index 0000000..4c94869
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/cros-ec-hwmon.txt
@@ -0,0 +1,25 @@
+Chromium Embedded Controller EC temperature and fan control
+-----------------------------------------------------------
+
+Google's Chromium EC HWMON is a hwmon implemented byimplemented by the Chromium EC
+firmware attached to the Embedded Controller (EC) and controlled via a host-command
+interface.
+
+An EC HWMON node should be only found as a sub-node of the EC node (see
+Documentation/devicetree/bindings/mfd/cros-ec.txt).
+
+Required properties:
+- compatible: Must contain "google,cros-ec-hwmon"
+
+Example:
+	embedded-controller@1e {
+		reg = <0x1e>;
+		compatible = "google,cros-ec-i2c";
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-parent = <&gpio0>;
+
+		hwmon {
+			compatible = "google,cros-ec-hwmon";
+		};
+};
+
-- 
2.7.4