linux-kernel - [PATCH] dt-bindings: spi: zynqmp-qspi: Include two 'reg' properties only for the Zynq UltraScale QSPI

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Message-ID: <20240923044543.2222-1-amit.kumar-mahapatra@amd.com>
Date: Mon, 23 Sep 2024 10:15:43 +0530
From: Amit Kumar Mahapatra <amit.kumar-mahapatra@....com>
To: <broonie@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
	<conor+dt@...nel.org>
CC: <michal.simek@....com>, <linux-spi@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <git@....com>, <amitrkcian2002@...il.com>,
	Amit Kumar Mahapatra <amit.kumar-mahapatra@....com>
Subject: [PATCH] dt-bindings: spi: zynqmp-qspi: Include two 'reg' properties only for the Zynq UltraScale QSPI

Linear mode is only supported by the Zynq UltraScale QSPI controller,
so update the bindings to include two 'reg' properties only for the
Zynq UltraScale QSPI controller.

Signed-off-by: Amit Kumar Mahapatra <amit.kumar-mahapatra@....com>
---
BRANCH: for-next
---
 .../bindings/spi/spi-zynqmp-qspi.yaml          | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml b/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml
index e5199b109dad..2f1fca137cd3 100644
--- a/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml
@@ -12,15 +12,27 @@ maintainers:
 allOf:
   - $ref: spi-controller.yaml#
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: xlnx,zynqmp-qspi-1.0
+    then:
+      properties:
+        reg:
+          maxItems: 2
+
+    else:
+      properties:
+        reg:
+          maxItems: 1
+
 properties:
   compatible:
     enum:
       - xlnx,versal-qspi-1.0
       - xlnx,zynqmp-qspi-1.0
 
-  reg:
-    maxItems: 2
-
   interrupts:
     maxItems: 1
 
-- 
2.34.1