linux-kernel - [PATCH v4 5/5] dt-bindings: iio/adc: ingenic: add the JZ4760(B) socs to the sadc Documentation

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Date:   Mon, 26 Jul 2021 10:20:33 +0200
From:   Christophe Branchereau <cbranchereau@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     jic23@...nel.org, lars@...afoo.de, linux-mips@...r.kernel.org,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        robh+dt@...nel.org, devicetree@...r.kernel.org, linux@...ck-us.net,
        contact@...ur-rojek.eu, paul@...pouillou.net,
        Christophe Branchereau <cbranchereau@...il.com>
Subject: [PATCH v4 5/5] dt-bindings: iio/adc: ingenic: add the JZ4760(B) socs to the sadc Documentation

Add both the jz4760 and jz4760b, plus a property to use the internal
divider on the b variant and document it.

Signed-off-by: Christophe Branchereau <cbranchereau@...il.com>
---
 .../bindings/iio/adc/ingenic,adc.yaml         | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/adc/ingenic,adc.yaml b/Documentation/devicetree/bindings/iio/adc/ingenic,adc.yaml
index 433a3fb55a2e..3eb7aa8822c3 100644
--- a/Documentation/devicetree/bindings/iio/adc/ingenic,adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/ingenic,adc.yaml
@@ -23,6 +23,8 @@ properties:
     enum:
       - ingenic,jz4725b-adc
       - ingenic,jz4740-adc
+      - ingenic,jz4760-adc
+      - ingenic,jz4760b-adc
       - ingenic,jz4770-adc
 
   '#io-channel-cells':
@@ -43,6 +45,23 @@ properties:
   interrupts:
     maxItems: 1
 
+  ingenic,use-internal-divider:
+    description:
+      If present, battery voltage is read from the VBAT_IR pin, which has an
+      internal 1/4 divider. If absent, it is read through the VBAT_ER pin,
+      which does not have such a divider.
+    type: boolean
+
+if:
+  not:
+    properties:
+      compatible:
+        contains:
+          const: ingenic,jz4760b-adc
+then:
+  properties:
+    ingenic,use-internal-divider: false
+
 required:
   - compatible
   - '#io-channel-cells'
-- 
2.30.2