linux-kernel - [PATCH 2/3] dt-bindings: mtd: ti,elm: Add support for AM64 ELM

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Date:   Wed, 23 Mar 2022 13:18:50 +0200
From:   Roger Quadros <rogerq@...nel.org>
To:     miquel.raynal@...tlin.com, robh+dt@...nel.org
Cc:     richard@....at, vigneshr@...com, kishon@...com, nm@...com,
        linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Roger Quadros <rogerq@...nel.org>
Subject: [PATCH 2/3] dt-bindings: mtd: ti,elm: Add support for AM64 ELM

TI's AM64 SoC has the Error Locator Module. Add compatible and
related properties to support ELM on AM64 SoC.

Signed-off-by: Roger Quadros <rogerq@...nel.org>
---
 .../devicetree/bindings/mtd/ti,elm.yaml       | 27 ++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mtd/ti,elm.yaml b/Documentation/devicetree/bindings/mtd/ti,elm.yaml
index 24ed0fb84204..bc01d35ce605 100644
--- a/Documentation/devicetree/bindings/mtd/ti,elm.yaml
+++ b/Documentation/devicetree/bindings/mtd/ti,elm.yaml
@@ -17,7 +17,9 @@ description:
 properties:
   compatible:
     items:
-      - const: ti,am3352-elm
+      - enum:
+          - ti,am3352-elm
+          - ti,am64-elm
 
   reg:
     maxItems: 1
@@ -25,6 +27,17 @@ properties:
   interrupts:
     maxItems: 1
 
+  clocks:
+    maxItems: 1
+    description: Functional clock.
+
+  clock-names:
+    items:
+      - const: fck
+
+  power-domains:
+    maxItems: 1
+
   ti,hwmods:
     description:
       Name of the HWMOD associated with ELM. This is for legacy
@@ -37,6 +50,18 @@ required:
   - reg
   - interrupts
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: ti,am64-elm
+    then:
+      required:
+        - clocks
+        - clock-names
+        - power-domains
+
 additionalProperties: false
 
 examples:
-- 
2.17.1