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Subject[PATCH V4 2/5] dt-bindings: mailbox: imx-mu: add i.MX93 S4 MU support
Date
From: Peng Fan <peng.fan@nxp.com>

Similar to i.MX8ULP S4 MU, i.MX93 MU is dedicated for communication
between Sentinel and Cortex-A cores from hardware design, it could not be
reused for other purpose.

However i.MX93 S4 MU use separate tx/rx interrupt, so update
interrupts and add interrupt-names property.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
.../devicetree/bindings/mailbox/fsl,mu.yaml | 27 ++++++++++++++++++-
1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml
index 6d056d5e16bf..f5f9d501845d 100644
--- a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml
+++ b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml
@@ -29,6 +29,7 @@ properties:
- const: fsl,imx8ulp-mu
- const: fsl,imx8-mu-scu
- const: fsl,imx8-mu-seco
+ - const: fsl,imx93-mu-s4
- const: fsl,imx8ulp-mu-s4
- items:
- const: fsl,imx93-mu
@@ -55,7 +56,13 @@ properties:
maxItems: 1

interrupts:
- maxItems: 1
+ minItems: 1
+
+ interrupt-names:
+ minItems: 1
+ items:
+ - const: tx
+ - const: rx

"#mbox-cells":
description: |
@@ -90,6 +97,24 @@ required:
- interrupts
- "#mbox-cells"

+allOf:
+ - if:
+ properties:
+ compatible:
+ enum:
+ - fsl,imx93-mu-s4
+ then:
+ properties:
+ interrupt-names:
+ minItems: 2
+ interrupts:
+ maxItems: 2
+
+ else:
+ properties:
+ interrupts:
+ maxItems: 1
+
additionalProperties: false

examples:
--
2.25.1
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