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[v2] dt-bindings: serial: mxs: Fix compatible list

Message ID 20230921133733.224602-1-festevam@gmail.com
State Not Applicable
Headers show
Series [v2] dt-bindings: serial: mxs: Fix compatible list | expand

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Context Check Description
robh/checkpatch warning total: 0 errors, 1 warnings, 25 lines checked
robh/patch-applied success
robh/dtbs-check warning build log
robh/dt-meta-schema success

Commit Message

Fabio Estevam Sept. 21, 2023, 1:37 p.m. UTC 
From: Fabio Estevam <festevam@denx.de>

imx23 and imx28 are SoCs from the same family (mxs) and they share the
same AUART block, so the same programming model.

imx23 is the first member of this family. It had an AUART DMA erratum.
imx28 is the second member of this family and has this erratum fixed.

imx28.dtsi uses the following description:

compatible = "fsl,imx28-auart", "fsl,imx23-auart";

Make it valid so that the following schema warning could be avoided:

imx28-apx4devkit.dtb: serial@8006a000: compatible: ['fsl,imx28-auart', 'fsl,imx23-auart'] is too long
	from schema $id: http://devicetree.org/schemas/serial/fsl-mxs-auart.yaml#

Signed-off-by: Fabio Estevam <festevam@denx.de>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
---
Changes since v1:
- Improve the commit log to indicate that imx28 AUART is compatible
with imx23.
- Collected Conor's Acked=by tag.

 .../devicetree/bindings/serial/fsl-mxs-auart.yaml   | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/serial/fsl-mxs-auart.yaml b/Documentation/devicetree/bindings/serial/fsl-mxs-auart.yaml
index 6a400a5e6fc7..da032effffe6 100644
--- a/Documentation/devicetree/bindings/serial/fsl-mxs-auart.yaml
+++ b/Documentation/devicetree/bindings/serial/fsl-mxs-auart.yaml
@@ -14,10 +14,13 @@  allOf:
 
 properties:
   compatible:
-    enum:
-      - fsl,imx23-auart
-      - fsl,imx28-auart
-      - alphascale,asm9260-auart
+    oneOf:
+      - const: fsl,imx23-auart
+      - const: alphascale,asm9260-auart
+      - items:
+          - enum:
+              - fsl,imx28-auart
+          - const: fsl,imx23-auart
 
   reg:
     maxItems: 1
@@ -82,7 +85,7 @@  examples:
     };
 
     auart0: serial@8006a000 {
-        compatible = "fsl,imx28-auart";
+        compatible = "fsl,imx28-auart", "fsl,imx23-auart";
         reg = <0x8006a000 0x2000>;
         interrupts = <112>;
         dmas = <&dma_apbx 8>, <&dma_apbx 9>;