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Message-Id: <20230524082744.3215427-3-bigunclemax@gmail.com>
Date: Wed, 24 May 2023 11:27:31 +0300
From: Maxim Kiselev <bigunclemax@...il.com>
To: linux-iio@...r.kernel.org
Cc: Maxim Kiselev <bigunclemax@...il.com>,
Jonathan Cameron <jic23@...nel.org>,
Lars-Peter Clausen <lars@...afoo.de>,
Rob Herring <robh+dt@...nel.org>,
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Subject: [RFC PATCH v1 2/4] dt-bindings: iio: adc: Add Allwinner D1/T113s/R329 SoCs GPADC
Allwinner's D1, T113s and R329 SoCs have a new general purpose ADC.
This ADC is the same for all of this SoCs. The only difference is
the number of available channels.
Signed-off-by: Maxim Kiselev <bigunclemax@...il.com>
---
.../iio/adc/allwinner,sun20i-d1-gpadc.yaml | 52 +++++++++++++++++++
1 file changed, 52 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/allwinner,sun20i-d1-gpadc.yaml
diff --git a/Documentation/devicetree/bindings/iio/adc/allwinner,sun20i-d1-gpadc.yaml b/Documentation/devicetree/bindings/iio/adc/allwinner,sun20i-d1-gpadc.yaml
new file mode 100644
index 000000000000..a79b874750dd
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/allwinner,sun20i-d1-gpadc.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/allwinner,sun20i-d1-gpadc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner D1 General Purpose ADC
+
+properties:
+ "#io-channel-cells":
+ const: 0
+
+ clocks:
+ maxItems: 1
+
+ compatible:
+ enum:
+ - allwinner,sun20i-d1-gpadc
+ - allwinner,sun8i-t113-gpadc
+ - allwinner,sun50i-r329-gpadc
+
+ interrupts:
+ maxItems: 1
+
+ reg:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+required:
+ - "#io-channel-cells"
+ - clocks
+ - compatible
+ - interrupts
+ - reg
+ - resets
+
+additionalProperties: false
+
+examples:
+ - |
+ gpadc: adc@...9000 {
+ compatible = "allwinner,sun20i-d1-gpadc";
+ reg = <0x2009000 0x1000>;
+ clocks = <&ccu CLK_BUS_GPADC>;
+ resets = <&ccu RST_BUS_GPADC>;
+ interrupts = <SOC_PERIPHERAL_IRQ(57) IRQ_TYPE_LEVEL_HIGH>;
+ #io-channel-cells = <0>;
+ };
+
+...
--
2.39.2
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