linux-kernel - [PATCH v2 2/3] dt-bindings: mailbox: Add interrupt-names to SPRD mailbox

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Date:   Sat, 13 Feb 2021 20:21:42 +0800
From:   Orson Zhai <orsonzhai@...il.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Baolin Wang <baolin.wang7@...il.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        Jassi Brar <jassisinghbrar@...il.com>
Cc:     Orson Zhai <orsonzhai@...il.com>, Mark Brown <broonie@...nel.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Haidong Yao <yaohaidong369@...il.com>,
        Orson Zhai <orson.zhai@...soc.com>
Subject: [PATCH v2 2/3] dt-bindings: mailbox: Add interrupt-names to SPRD mailbox

From: Orson Zhai <orson.zhai@...soc.com>

We add an optional supp-outbox interrupt support to SPRD mailbox driver
with newly added sc9863a support and change to configure interrupts with
names in device tree files.

Signed-off-by: Orson Zhai <orson.zhai@...soc.com>
---
 .../bindings/mailbox/sprd-mailbox.yaml         | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/mailbox/sprd-mailbox.yaml b/Documentation/devicetree/bindings/mailbox/sprd-mailbox.yaml
index 26a5cca3f838..67736450ee93 100644
--- a/Documentation/devicetree/bindings/mailbox/sprd-mailbox.yaml
+++ b/Documentation/devicetree/bindings/mailbox/sprd-mailbox.yaml
@@ -15,6 +15,7 @@ properties:
   compatible:
     enum:
       - sprd,sc9860-mailbox
+      - sprd,sc9863a-mailbox
 
   reg:
     items:
@@ -22,9 +23,18 @@ properties:
       - description: outbox registers' base address
 
   interrupts:
-    items:
-      - description: inbox interrupt
-      - description: outbox interrupt
+    minItems: 2
+    maxItems: 3
+
+  interrupt-names:
+    oneOf:
+      - items:
+          - const: inbox
+          - const: outbox
+      - items:
+          - const: inbox
+          - const: outbox
+          - const: supp-outbox
 
   clocks:
     maxItems: 1
@@ -40,6 +50,7 @@ required:
   - compatible
   - reg
   - interrupts
+  - interrupt-names
   - "#mbox-cells"
   - clocks
   - clock-names
@@ -56,5 +67,6 @@ examples:
       clock-names = "enable";
       clocks = <&aon_gate 53>;
       interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
+      interrupt-names = "inbox", "outbox";
     };
 ...
-- 
2.17.1