Lines Matching +full:pre +full:- +full:calibration

3 - SPMI PMIC voltage ADC (VADC) provides interface to clients to read
4   voltage. The VADC is a 15-bit sigma-delta ADC.
5 - SPMI PMIC5 voltage ADC (ADC) provides interface to clients to read
6   voltage. The VADC is a 16-bit sigma-delta ADC.
10 - compatible:
13     Definition: Should contain "qcom,spmi-vadc".
14                 Should contain "qcom,spmi-adc5" for PMIC5 ADC driver.
15                 Should contain "qcom,spmi-adc-rev2" for PMIC rev2 ADC driver.
16                 Should contain "qcom,pms405-adc" for PMS405 PMIC
18 - reg:
20     Value type: <prop-encoded-array>
23 - #address-cells:
29 - #size-cells:
34 - #io-channel-cells:
38             Documentation/devicetree/bindings/iio/iio-bindings.txt
40 - interrupts:
42     Value type: <prop-encoded-array>
47 - reg:
51             See include/dt-bindings/iio/qcom,spmi-vadc.h
53 - label:
54     Usage: required for "qcom,spmi-adc5" and "qcom,spmi-adc-rev2"
61 - qcom,decimation:
66             - For compatible property "qcom,spmi-vadc", valid values are
69             - For compatible property "qcom,spmi-adc5", valid values are 250, 420
71             - For compatible property "qcom,spmi-adc-rev2", valid values are 256,
74 - qcom,pre-scaling:
79             pre-determined ratio and use it for post scaling. Select one from
84 - qcom,ratiometric:
87     Definition: Channel calibration type.
88             - For compatible property "qcom,spmi-vadc", if this property is
90               channel calibration. If property is not found, channel will be
92               known as absolute calibration.
93             - For compatible property "qcom,spmi-adc5" and "qcom,spmi-adc-rev2",
95               (1.875V) and GND for channel calibration. If property is not found,
97               also known as absolute calibration.
99 - qcom,hw-settle-time:
105             - For compatible property "qcom,spmi-vadc" and "qcom,spmi-adc-rev2",
107               and 2ms * (hw_settle_time - 10) otherwise.
111             - For compatible property "qcom,spmi-adc5", delay = 15us for
113               and 2ms * (value - 10) otherwise.
120 - qcom,avg-samples:
127             - For compatible property "qcom,spmi-vadc", valid values
130             - For compatible property "qcom,spmi-adc5" and "qcom,spmi-adc-rev2",
136 For compatible property "qcom,spmi-vadc" following channels, also known as
137 reference point channels, are used for result calibration and their channel
144 #include <dt-bindings/iio/qcom,spmi-vadc.h>
150 		compatible = "qcom,spmi-vadc";
153 		#address-cells = <1>;
154 		#size-cells = <0>;
155 		#io-channel-cells = <1>;
156 		io-channel-ranges;
159 		adc-chan@VADC_LR_MUX10_USB_ID {
163 			qcom,hw-settle-time = <200>;
164 			qcom,avg-samples = <1>;
165 			qcom,pre-scaling = <1 3>;
171 		io-channels = <&pmic_vadc VADC_LR_MUX10_USB_ID>;
172 		io-channel-names = "vadc";