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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-02-09 08:45:25 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-02-11 09:50:08 +0100 |
| commit | ab001302c8e1718110bb8839c270d2caa817b214 (patch) | |
| tree | f5ab4feb5242e548917c3536b8510080df9a4e8f /dts/Bindings/iio/adc | |
| parent | c937ef5d34ede89ae382cfe6d98ba366859a65af (diff) | |
| download | barebox-ab001302c8e1718110bb8839c270d2caa817b214.tar.gz barebox-ab001302c8e1718110bb8839c270d2caa817b214.tar.xz | |
dts: update to v3.19-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/iio/adc')
| -rw-r--r-- | dts/Bindings/iio/adc/qcom,spmi-iadc.txt | 46 | ||||
| -rw-r--r-- | dts/Bindings/iio/adc/rockchip-saradc.txt | 2 |
2 files changed, 47 insertions, 1 deletions
diff --git a/dts/Bindings/iio/adc/qcom,spmi-iadc.txt b/dts/Bindings/iio/adc/qcom,spmi-iadc.txt new file mode 100644 index 0000000000..4e36d6e2f7 --- /dev/null +++ b/dts/Bindings/iio/adc/qcom,spmi-iadc.txt @@ -0,0 +1,46 @@ +Qualcomm's SPMI PMIC current ADC + +QPNP PMIC current ADC (IADC) provides interface to clients to read current. +A 16 bit ADC is used for current measurements. IADC can measure the current +through an external resistor (channel 1) or internal (built-in) resistor +(channel 0). When using an external resistor it is to be described by +qcom,external-resistor-micro-ohms property. + +IADC node: + +- compatible: + Usage: required + Value type: <string> + Definition: Should contain "qcom,spmi-iadc". + +- reg: + Usage: required + Value type: <prop-encoded-array> + Definition: IADC base address and length in the SPMI PMIC register map + +- interrupts: + Usage: optional + Value type: <prop-encoded-array> + Definition: End of ADC conversion. + +- qcom,external-resistor-micro-ohms: + Usage: optional + Value type: <u32> + Definition: Sense resister value in micro Ohm. + If not defined value of 10000 micro Ohms will be used. + +Example: + /* IADC node */ + pmic_iadc: iadc@3600 { + compatible = "qcom,spmi-iadc"; + reg = <0x3600 0x100>; + interrupts = <0x0 0x36 0x0 IRQ_TYPE_EDGE_RISING>; + qcom,external-resistor-micro-ohms = <10000>; + #io-channel-cells = <1>; + }; + + /* IIO client node */ + bat { + io-channels = <&pmic_iadc 0>; + io-channel-names = "iadc"; + }; diff --git a/dts/Bindings/iio/adc/rockchip-saradc.txt b/dts/Bindings/iio/adc/rockchip-saradc.txt index 5d3ec1df22..a9a5fe19ff 100644 --- a/dts/Bindings/iio/adc/rockchip-saradc.txt +++ b/dts/Bindings/iio/adc/rockchip-saradc.txt @@ -1,7 +1,7 @@ Rockchip Successive Approximation Register (SAR) A/D Converter bindings Required properties: -- compatible: Should be "rockchip,saradc" +- compatible: Should be "rockchip,saradc" or "rockchip,rk3066-tsadc" - reg: physical base address of the controller and length of memory mapped region. - interrupts: The interrupt number to the cpu. The interrupt specifier format |