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Subject[PATCH v2 1/2] dt-bindings: mailbox: apple,mailbox: Add generic and t6000 compatibles
Date
Much as we've done with other blocks, let's introduce generic
compatibles so drivers can bind to those and still work with future
SoCs, as long as the hardware remains the same. Also go ahead and add
compatibles for the new t600x SoCs (we group those as t6000).

Note that no DTs instantiate devices with this binding yet.

Reviewed-by: Mark Kettenis <kettenis@openbsd.org>
Signed-off-by: Hector Martin <marcan@marcan.st>
---
.../devicetree/bindings/mailbox/apple,mailbox.yaml | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml b/Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml
index 2c1704b34e7a..e3d87239811c 100644
--- a/Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml
+++ b/Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml
@@ -27,14 +27,20 @@ properties:
for example for the display controller, the system management
controller and the NVMe coprocessor.
items:
- - const: apple,t8103-asc-mailbox
+ - enum:
+ - apple,t8103-asc-mailbox
+ - apple,t6000-asc-mailbox
+ - const: apple,asc-mailbox-v4

- description:
M3 mailboxes are an older variant with a slightly different MMIO
interface still found on the M1. It is used for the Thunderbolt
co-processors.
items:
- - const: apple,t8103-m3-mailbox
+ - enum:
+ - apple,t8103-m3-mailbox
+ - apple,t6000-m3-mailbox
+ - const: apple,m3-mailbox-v2

reg:
maxItems: 1
@@ -68,7 +74,7 @@ additionalProperties: false
examples:
- |
mailbox@77408000 {
- compatible = "apple,t8103-asc-mailbox";
+ compatible = "apple,t8103-asc-mailbox", "apple,asc-mailbox-v4";
reg = <0x77408000 0x4000>;
interrupts = <1 583 4>, <1 584 4>, <1 585 4>, <1 586 4>;
interrupt-names = "send-empty", "send-not-empty",
--
2.33.0
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