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Message-Id: <20211211022224.3488860-3-caleb@connolly.tech>
Date: Sat, 11 Dec 2021 02:22:19 +0000
From: Caleb Connolly <caleb.connolly@...aro.org>
To: caleb.connolly@...aro.org, sumit.semwal@...aro.org,
amit.pundir@...aro.org, john.stultz@...aro.org
Cc: Jonathan Cameron <jic23@...nel.org>,
Lars-Peter Clausen <lars@...afoo.de>,
Rob Herring <robh+dt@...nel.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Lee Jones <lee.jones@...aro.org>, linux-iio@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-msm@...r.kernel.org
Subject: [PATCH 2/7] dt-bindings: iio: adc: document qcom-spmi-rradc
From: Caleb Connolly <caleb.connolly@...aro.org>
Add dt-binding docs for the Qualcomm SPMI RRADC found in PMICs like
PMI8998 and PMI8994
Signed-off-by: Caleb Connolly <caleb.connolly@...aro.org>
---
.../bindings/iio/adc/qcom,spmi-rradc.yaml | 54 +++++++++++++++++++
1 file changed, 54 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/qcom,spmi-rradc.yaml
diff --git a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-rradc.yaml b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-rradc.yaml
new file mode 100644
index 000000000000..11d47c46a48d
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-rradc.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/qcom,spmi-rradc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm's SPMI PMIC Round Robin ADC
+
+maintainers:
+ - Caleb Connolly <caleb.connolly@...aro.org>
+
+description: |
+ The Qualcomm SPMI Round Robin ADC (RRADC) provides interface to clients to read the
+ voltage, current and temperature for supported peripherals such as the battery thermistor
+ die temperature, charger temperature, USB and DC input voltage / current and battery ID
+ resistor.
+
+properties:
+ compatible:
+ enum:
+ - qcom,pmi8998-rradc
+ - qcom,pm660-rradc
+
+ reg:
+ description: rradc base address and length in the SPMI PMIC register map
+ maxItems: 1
+
+ qcom,batt-id-delay-ms:
+ description:
+ Sets the hardware settling time for the battery ID resistor.
+ enum: [0, 1, 4, 12, 20, 40, 60, 80]
+
+ "#io-channel-cells":
+ const: 1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ pmic {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pmic_rradc: adc@...0 {
+ compatible = "qcom,pmi8998-rradc";
+ reg = <0x4500>;
+ #io-channel-cells = <1>;
+ };
+ };
+...
--
2.34.1
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