From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Levens Subject: [PATCH v3 2/3] hwmon: ltc2990: add devicetree binding Date: Mon, 3 Jul 2017 06:28:59 +0200 Message-ID: <1499056140-6064-2-git-send-email-tom.levens@cern.ch> References: <1499056140-6064-1-git-send-email-tom.levens@cern.ch> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1499056140-6064-1-git-send-email-tom.levens@cern.ch> Sender: linux-hwmon-owner@vger.kernel.org To: Rob Herring , Mark Rutland , Jean Delvare , Guenter Roeck , Mike Looijmans Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org List-Id: devicetree@vger.kernel.org Add a devicetree binding for the ltc2990 hwmon driver. Signed-off-by: Tom Levens --- .../devicetree/bindings/hwmon/ltc2990.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/ltc2990.txt diff --git a/Documentation/devicetree/bindings/hwmon/ltc2990.txt b/Documentation/devicetree/bindings/hwmon/ltc2990.txt new file mode 100644 index 0000000..f92f540 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/ltc2990.txt @@ -0,0 +1,36 @@ +ltc2990: Linear Technology LTC2990 power monitor + +Required properties: +- compatible: Must be "lltc,ltc2990" +- reg: I2C slave address +- lltc,meas-mode: + An array of two integers for configuring the chip measurement mode. + + The first integer defines the bits 2..0 in the control register. In all + cases the internal temperature and supply voltage are measured. In + addition the following input measurements are enabled per mode: + + 0: V1, V2, TR2 + 1: V1-V2, TR2 + 2: V1-V2, V3, V4 + 3: TR1, V3, V4 + 4: TR1, V3-V4 + 5: TR1, TR2 + 6: V1-V2, V3-V4 + 7: V1, V2, V3, V4 + + The second integer defines the bits 4..3 in the control register. This + allows a subset of the measurements to be enabled: + + 0: Internal temperature and supply voltage only + 1: TR1, V1 or V1-V2 only per mode + 2: TR2, V3 or V3-V4 only per mode + 3: All measurements per mode + +Example: + +ltc2990@4c { + compatible = "lltc,ltc2990"; + reg = <0x4c>; + lltc,meas-mode = <7 3>; /* V1, V2, V3, V4 */ +}; -- 1.8.3.1