[PATCH v4 4/6] dt-bindings: clock: imx8mp: Add syscon compatible

[Daniel Baluta <daniel.baluta@nxp.com>]

imx8mp audiomix contains a set of registers used to control
the DSP.

The dsp will use this to acquire o reference to audiomix registers
and handle the registers to control the dsp.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
---
 .../devicetree/bindings/clock/imx8mp-audiomix.yaml          | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/clock/imx8mp-audiomix.yaml b/Documentation/devicetree/bindings/clock/imx8mp-audiomix.yaml
index 6588a17a7d9a..0f870aaadba2 100644
--- a/Documentation/devicetree/bindings/clock/imx8mp-audiomix.yaml
+++ b/Documentation/devicetree/bindings/clock/imx8mp-audiomix.yaml
@@ -15,7 +15,9 @@ description: |
 
 properties:
   compatible:
-    const: fsl,imx8mp-audio-blk-ctrl
+    items:
+      - const: fsl,imx8mp-audio-blk-ctrl
+      - const: syscon
 
   reg:
     maxItems: 1
@@ -63,7 +65,7 @@ examples:
     #include <dt-bindings/clock/imx8mp-clock.h>
 
     clock-controller@30e20000 {
-        compatible = "fsl,imx8mp-audio-blk-ctrl";
+        compatible = "fsl,imx8mp-audio-blk-ctrl", "syscon";
         reg = <0x30e20000 0x10000>;
         #clock-cells = <1>;
         clocks = <&clk IMX8MP_CLK_AUDIO_ROOT>,
-- 
2.43.0