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authorHerve Codina <herve.codina@bootlin.com>2024-10-03 13:46:39 +0200
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2024-10-06 13:48:54 +0100
commit421d2251fbeac8ab4308ab6653a9252dc4efa6c9 (patch)
treef931b486bee995604f33f70fbe96f68f50afa880
parent5e472eaa8dc18e4aa7ddef96cbf04eeac350ecd0 (diff)
dt-bindings: iio: adc: Add the GE HealthCare PMC ADC
The GE HealthCare PMC Analog to Digital Converter (ADC) is a 16-Channel (voltage and current), 16-Bit ADC with an I2C Interface. Signed-off-by: Herve Codina <herve.codina@bootlin.com> Tested-by: Ian Ray <ian.ray@gehealthcare.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Link: https://patch.msgid.link/20241003114641.672086-3-herve.codina@bootlin.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
-rw-r--r--Documentation/devicetree/bindings/iio/adc/gehc,pmc-adc.yaml86
-rw-r--r--include/dt-bindings/iio/adc/gehc,pmc-adc.h10
2 files changed, 96 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/gehc,pmc-adc.yaml b/Documentation/devicetree/bindings/iio/adc/gehc,pmc-adc.yaml
new file mode 100644
index 000000000000..2cea7c104a26
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/gehc,pmc-adc.yaml
@@ -0,0 +1,86 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/gehc,pmc-adc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: GE HealthCare PMC Analog to Digital Converter (ADC)
+
+maintainers:
+ - Herve Codina <herve.codina@bootlin.com>
+
+description:
+ The GE HealthCare PMC ADC is a 16-Channel (voltage and current), 16-Bit ADC
+ with an I2C Interface.
+
+properties:
+ compatible:
+ const: gehc,pmc-adc
+
+ reg:
+ maxItems: 1
+
+ vdd-supply:
+ description:
+ Regulator for the VDD power supply.
+
+ vdda-supply:
+ description:
+ Regulator for the VDD analog (VDDA) power supply.
+
+ vddio-supply:
+ description:
+ Regulator for the VDD IO (VDDIO) power supply.
+
+ vref-supply:
+ description:
+ Regulator for the voltage reference power supply.
+
+ clocks:
+ maxItems: 1
+ description:
+ The component uses an external oscillator (osc) if an external oscillator
+ is connected to its clock pins. Otherwise, it uses an internal reference
+ clock.
+
+ clock-names:
+ items:
+ - const: osc
+
+ "#io-channel-cells":
+ const: 2
+ description: |
+ The first cell is the channel type (dt-bindings/iio/adc/gehc,pmc-adc.h
+ defines these values):
+ - 0: voltage
+ - 1: current
+ The second cell is the channel number from 0 to 15.
+
+required:
+ - compatible
+ - reg
+ - vdd-supply
+ - vdda-supply
+ - vddio-supply
+ - vref-supply
+ - '#io-channel-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ adc@14 {
+ compatible = "gehc,pmc-adc";
+ reg = <0x14>;
+ vdd-supply = <&reg_vdd>;
+ vdda-supply = <&reg_vdda>;
+ vddio-supply = <&reg_vddio>;
+ vref-supply = <&reg_vref>;
+ #io-channel-cells = <2>;
+ };
+ };
+...
diff --git a/include/dt-bindings/iio/adc/gehc,pmc-adc.h b/include/dt-bindings/iio/adc/gehc,pmc-adc.h
new file mode 100644
index 000000000000..2f291e3c76ae
--- /dev/null
+++ b/include/dt-bindings/iio/adc/gehc,pmc-adc.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */
+
+#ifndef _DT_BINDINGS_IIO_ADC_GEHC_PMC_ADC_H
+#define _DT_BINDINGS_IIO_ADC_GEHC_PMC_ADC_H
+
+/* ADC channel type */
+#define GEHC_PMC_ADC_VOLTAGE 0
+#define GEHC_PMC_ADC_CURRENT 1
+
+#endif