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Subject[PATCH 1/4] dt-bindings: mfd: ricoh,rn5t618: ADC related nodes and properties
Date
Add ADC related nodes and properties. This will allow to wire
up ADC channels to consumers, especially to measure input voltages
by the power subdevice.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
---
.../bindings/mfd/ricoh,rn5t618.yaml | 53 +++++++++++++++++++
1 file changed, 53 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml b/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml
index 032a7fb0b4a7..185f87a14a54 100644
--- a/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml
+++ b/Documentation/devicetree/bindings/mfd/ricoh,rn5t618.yaml
@@ -73,6 +73,48 @@ properties:
description: |
See Documentation/devicetree/bindings/power/power-controller.txt

+ adc:
+ type: object
+
+ properties:
+ compatible:
+ enum:
+ - ricoh,rn5t618-adc
+ - ricoh,rc5t619-adc
+
+ "#io-channel-cells":
+ const: 1
+
+ additionalProperties: false
+
+ required:
+ - compatible
+ - "#io-channel-cells"
+
+ power:
+ type: object
+
+ properties:
+ compatible:
+ enum:
+ - ricoh,rn5t618-power
+ - ricoh,rc5t619-power
+
+ io-channels:
+ items:
+ - description: ADP Voltage Channel
+ - description: USB Voltage Channel
+
+ io-channel-names:
+ items:
+ - const: vadp
+ - const: vusb
+
+ additionalProperties: false
+
+ required:
+ - compatible
+
regulators:
type: object

@@ -96,6 +138,17 @@ examples:
interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
system-power-controller;

+ rn5t618_adc: adc {
+ compatible = "ricoh,rn5t618-adc";
+ #io-channel-cells = <1>;
+ };
+
+ power {
+ compatible = "ricoh,rn5t618-power";
+ io-channels = <&rn5t618_adc 2>, <&rn5t618_adc 3>;
+ io-channel-names = "vadp", "vusb";
+ };
+
regulators {
DCDC1 {
regulator-min-microvolt = <1050000>;
--
2.30.2
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