Lines Matching +full:channel +full:- +full:use

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:
27             channel number.
29 - #size-cells:
34 - #io-channel-cells:
38             Documentation/devicetree/bindings/iio/iio-bindings.txt
40 - interrupts:
42     Value type: <prop-encoded-array>
45 Channel node properties:
47 - reg:
50     Definition: ADC channel number.
51             See include/dt-bindings/iio/qcom,spmi-vadc.h
53 - label:
54     Usage: required for "qcom,spmi-adc5" and "qcom,spmi-adc-rev2"
59             the platform schematics name for this channel.
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:
77     Definition: Used for scaling the channel input signal before the signal is
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
89               specified VADC will use the VDD reference (1.8V) and GND for
90               channel calibration. If property is not found, channel will be
93             - For compatible property "qcom,spmi-adc5" and "qcom,spmi-adc-rev2",
94               if this property is specified VADC will use the VDD reference
95               (1.875V) and GND for channel calibration. If property is not found,
96               channel will be calibrated with 0V and 1.25V reference channels,
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.
110               If property is not found, channel will use 0us.
111             - For compatible property "qcom,spmi-adc5", delay = 15us for
113               and 2ms * (value - 10) otherwise.
118               If property is not found, channel will use 15us.
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;
158 		/* Channel node */
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";