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author | Sascha Hauer <s.hauer@pengutronix.de> | 2021-01-19 05:41:43 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2021-01-19 05:41:43 +0100 |
commit | a0633c4cbc3c06c4e6de0505e02a9585020b3497 (patch) | |
tree | 3784abccebad9a596bd3eac3f72d883d97ba6714 /dts/Bindings/iio/afe/current-sense-shunt.txt | |
parent | d595653acba82fde36f67c86b88109decd09ddab (diff) | |
parent | 89b195969ec4dd07c7a8dfbd2f3f1eb83ead4c16 (diff) | |
download | barebox-a0633c4cbc3c06c4e6de0505e02a9585020b3497.tar.gz barebox-a0633c4cbc3c06c4e6de0505e02a9585020b3497.tar.xz |
Merge branch 'for-next/dts'
Diffstat (limited to 'dts/Bindings/iio/afe/current-sense-shunt.txt')
-rw-r--r-- | dts/Bindings/iio/afe/current-sense-shunt.txt | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/dts/Bindings/iio/afe/current-sense-shunt.txt b/dts/Bindings/iio/afe/current-sense-shunt.txt deleted file mode 100644 index 0f67108a07..0000000000 --- a/dts/Bindings/iio/afe/current-sense-shunt.txt +++ /dev/null @@ -1,41 +0,0 @@ -Current Sense Shunt -=================== - -When an io-channel measures the voltage over a current sense shunt, -the interesting measurement is almost always the current through the -shunt, not the voltage over it. This binding describes such a current -sense circuit. - -Required properties: -- compatible : "current-sense-shunt" -- io-channels : Channel node of a voltage io-channel. -- shunt-resistor-micro-ohms : The shunt resistance in microohms. - -Example: -The system current is measured by measuring the voltage over a -3.3 ohms shunt resistor. - -sysi { - compatible = "current-sense-shunt"; - io-channels = <&tiadc 0>; - - /* Divide the voltage by 3300000/1000000 (or 3.3) for the current. */ - shunt-resistor-micro-ohms = <3300000>; -}; - -&i2c { - tiadc: adc@48 { - compatible = "ti,ads1015"; - reg = <0x48>; - #io-channel-cells = <1>; - - #address-cells = <1>; - #size-cells = <0>; - - channel@0 { /* IN0,IN1 differential */ - reg = <0>; - ti,gain = <1>; - ti,datarate = <4>; - }; - }; -}; |