[PATCH v1 1/2] bindings: iio: adc: Add StarFive JHB100 SARADC
From: Xingyu Wu
Date: Mon May 18 2026 - 04:22:28 EST
Add the new documentation of SAR-ADC for the StarFive JHB100 SoC.
Signed-off-by: Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx>
---
.../iio/adc/starfive,jhb100-saradc.yaml | 62 +++++++++++++++++++
1 file changed, 62 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/starfive,jhb100-saradc.yaml
diff --git a/Documentation/devicetree/bindings/iio/adc/starfive,jhb100-saradc.yaml b/Documentation/devicetree/bindings/iio/adc/starfive,jhb100-saradc.yaml
new file mode 100644
index 000000000000..ba8e19b72ad7
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/starfive,jhb100-saradc.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/starfive,jhb100-saradc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Successive Approximation Register (SAR) A/D converter for the StarFive JHB100 SoC
+
+maintainers:
+ - Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx>
+
+properties:
+ compatible:
+ const: starfive,jhb100-saradc
+
+ reg:
+ maxItem: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ resets:
+ maxItems: 2
+
+ "#io-channel-cells":
+ const: 1
+
+ upper-bound-mv:
+ description: The upper bound voltage value of the monitor.
+ $ref: /schemas/types.yaml#/definitions/uint16
+
+ lower-bound-mv:
+ description: The lower bound voltage value of the monitor.
+ $ref: /schemas/types.yaml#/definitions/uint16
+
+ scan-freq:
+ description: Number of the scan cycle interval.
+ $ref: /schemas/types.yaml#/definitions/uint16
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - resets
+ - "#io-channel-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ adc@11be1400 {
+ compatible = "starfive,jhb100-saradc";
+ reg = <0x11be1400 0x400>;
+ interrupts = <172>;
+ clocks = <&per0crg 18>;
+ resets = <&per0crg 11>, <&per0crg 46>;
+ #io-channel-cells = <1>;
+ };
--
2.34.1