deleted file mode 100644
@@ -1,50 +0,0 @@
-X-Powers AC100 Codec/RTC IC Device Tree bindings
-
-AC100 is a audio codec and RTC subsystem combo IC. The 2 parts are
-separated, including power supplies and interrupt lines, but share
-a common register address space and host interface.
-
-Required properties:
-- compatible: "x-powers,ac100"
-- reg: The I2C slave address or RSB hardware address for the chip
-- sub-nodes:
- - codec
- - compatible: "x-powers,ac100-codec"
- - interrupts: SoC NMI / GPIO interrupt connected to the
- IRQ_AUDIO pin
- - #clock-cells: Shall be 0
- - clock-output-names: "4M_adda"
-
- - see clock/clock-bindings.txt for common clock bindings
-
- - rtc
- - compatible: "x-powers,ac100-rtc"
- - clocks: A phandle to the codec's "4M_adda" clock
- - #clock-cells: Shall be 1
- - clock-output-names: "cko1_rtc", "cko2_rtc", "cko3_rtc"
-
- - see clock/clock-bindings.txt for common clock bindings
-
-Example:
-
-ac100: codec@e89 {
- compatible = "x-powers,ac100";
- reg = <0xe89>;
-
- ac100_codec: codec {
- compatible = "x-powers,ac100-codec";
- interrupt-parent = <&r_pio>;
- interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
- #clock-cells = <0>;
- clock-output-names = "4M_adda";
- };
-
- ac100_rtc: rtc {
- compatible = "x-powers,ac100-rtc";
- interrupt-parent = <&nmi_intc>;
- interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
- clocks = <&ac100_codec>;
- #clock-cells = <1>;
- clock-output-names = "cko1_rtc", "cko2_rtc", "cko3_rtc";
- };
-};
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+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/mfd/x-powers,ac100.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: X-Powers AC100 Device Tree Bindings
+
+maintainers:
+ - Chen-Yu Tsai <wens@csie.org>
+
+properties:
+ compatible:
+ const: x-powers,ac100
+
+ reg:
+ maxItems: 1
+
+ codec:
+ type: object
+
+ properties:
+ "#clock-cells":
+ const: 0
+
+ compatible:
+ const: x-powers,ac100-codec
+
+ interrupts:
+ maxItems: 1
+
+ clock-output-names:
+ maxItems: 1
+ description: >
+ Name of the 4M_adda clock exposed by the codec
+
+ required:
+ - "#clock-cells"
+ - compatible
+ - interrupts
+ - clock-output-names
+
+ additionalProperties: false
+
+ rtc:
+ type: object
+
+ properties:
+ "#clock-cells":
+ const: 1
+
+ compatible:
+ const: x-powers,ac100-rtc
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+ description: >
+ A phandle to the codec's "4M_adda" clock
+
+ clock-output-names:
+ maxItems: 3
+ description: >
+ Name of the cko1, cko2 and cko3 clocks exposed by the codec
+
+ required:
+ - "#clock-cells"
+ - compatible
+ - interrupts
+ - clocks
+ - clock-output-names
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - codec
+ - rtc
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ rsb {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ codec@e89 {
+ compatible = "x-powers,ac100";
+ reg = <0xe89>;
+
+ ac100_codec: codec {
+ compatible = "x-powers,ac100-codec";
+ interrupt-parent = <&r_pio>;
+ interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
+ #clock-cells = <0>;
+ clock-output-names = "4M_adda";
+ };
+
+ ac100_rtc: rtc {
+ compatible = "x-powers,ac100-rtc";
+ interrupt-parent = <&nmi_intc>;
+ interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&ac100_codec>;
+ #clock-cells = <1>;
+ clock-output-names = "cko1_rtc", "cko2_rtc", "cko3_rtc";
+ };
+ };
+ };
+
+...