[PATCH 2/3] dt-bindings: iio: adc: Add binding documentation for NXP IMX93 ADC

[haibo.chen@nxp.com]

From: Haibo Chen <haibo.chen@nxp.com>

The IMX93 SoC has a new ADC IP, so add binding documentation
for NXP IMX93 ADC.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
---
 .../bindings/iio/adc/nxp,imx93-adc.yaml       | 65 +++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml

diff --git a/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml b/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml
new file mode 100644
index 000000000000..e0eac5aa81d7
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml
@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/nxp,imx93-adc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP ADC found on the imx93 SoC
+
+maintainers:
+  - Haibo Chen <haibo.chen@nxp.com>
+
+properties:
+  compatible:
+    const: nxp,imx93-adc
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 4
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: ipg
+
+  vref-supply: true
+
+  "#io-channel-cells":
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - vref-supply
+  - "#io-channel-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/clock/imx93-clock.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    soc {
+        #address-cells = <1>;
+        #size-cells = <1>;
+        adc@44530000 {
+            compatible = "nxp,imx93-adc";
+            reg = <0x44530000 0x10000>;
+            interrupts = <GIC_SPI 217 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 219 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>;
+            clocks = <&clk IMX93_CLK_ADC1_GATE>;
+            clock-names = "ipg";
+            vref-supply = <&reg_vref_1v8>;
+            status = "disabled";
+        };
+    };
+...
-- 
2.25.1