The NXP i.MX 8QuadXPlus SOC a new ADC IP, so add
binding documentation for NXP IMX8QXP ADC.
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx>
---
v1->v2:
*Fix some indentation issues.
*Mark status as okay.
*Change clock2 source.
v3->v4:
*Remove 'status' from examples.
*Remove unused 'state'.
*Remove interrupts-parent.
*Change num of address/size-cells from 1 to 2.
v4->v5:
*Remove unused properties
v1 link:
https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210830172140.414-5-caihuoqing@xxxxxxxxx/
v3 link:
https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210907015724.1377-3-caihuoqing@xxxxxxxxx/
v4 link:
https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210912071334.1745-3-caihuoqing@xxxxxxxxx/
v5 link:
https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210921052821.91-3-caihuoqing@xxxxxxxxx/
.../bindings/iio/adc/nxp,imx8qxp-adc.yaml | 78 +++++++++++++++++++
1 file changed, 78 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/nxp,imx8qxp-adc.yaml
diff --git a/Documentation/devicetree/bindings/iio/adc/nxp,imx8qxp-adc.yaml b/Documentation/devicetree/bindings/iio/adc/nxp,imx8qxp-adc.yaml
new file mode 100644
index 000000000000..9c59a20a6032
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/nxp,imx8qxp-adc.yaml
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/nxp,imx8qxp-adc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP IMX8QXP ADC bindings
+
+maintainers:
+ - Cai Huoqing <caihuoqing@xxxxxxxxx>
+
+description:
+ Supports the ADC found on the IMX8QXP SoC.
+
+properties:
+ compatible:
+ const: nxp,imx8qxp-adc
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: per
+ - const: ipg
+
+ assigned-clocks:
+ maxItems: 1
+
+ assigned-clock-rates:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+ "#io-channel-cells":
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - assigned-clocks
+ - assigned-clock-rates
+ - power-domains
+ - "#io-channel-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/firmware/imx/rsrc.h>
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ adc@5a880000 {
+ compatible = "nxp,imx8qxp-adc";
+ reg = <0x0 0x5a880000 0x0 0x10000>;
+ interrupts = <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk IMX_SC_R_ADC_0>,
+ <&clk IMX_SC_R_ADC_0>;
+ clock-names = "per", "ipg";
+ assigned-clocks = <&clk IMX_SC_R_ADC_0>;
+ assigned-clock-rates = <24000000>;
+ power-domains = <&pd IMX_SC_R_ADC_0>;
+ #io-channel-cells = <1>;
+ };
+ };
+...
--
2.25.1
