linux-kernel - [PATCH v2] dt-bindings: spi: zynqmp-qspi: Include two 'reg' properties only for the Zynq UltraScale QSPI

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Message-ID: <20240925114203.2234735-1-amit.kumar-mahapatra@amd.com>
Date: Wed, 25 Sep 2024 17:12:03 +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-kernel@...r.kernel.org>, <git@....com>,
	<amitrkcian2002@...il.com>, Amit Kumar Mahapatra
	<amit.kumar-mahapatra@....com>
Subject: [PATCH v2] 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

Changes in v2:
 - In the if block changed 'maxItems' to 'minItems'.
 - Retained 'reg' property definition and added 'minItems'.
 - Moved the allOf block down to the end of the binding.
---
 .../bindings/spi/spi-zynqmp-qspi.yaml         | 22 ++++++++++++++++---
 1 file changed, 19 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..04d4d3b4916d 100644
--- a/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml
@@ -9,9 +9,6 @@ title: Xilinx Zynq UltraScale+ MPSoC GQSPI controller
 maintainers:
   - Michal Simek <michal.simek@....com>
 
-allOf:
-  - $ref: spi-controller.yaml#
-
 properties:
   compatible:
     enum:
@@ -19,6 +16,7 @@ properties:
       - xlnx,zynqmp-qspi-1.0
 
   reg:
+    minItems: 1
     maxItems: 2
 
   interrupts:
@@ -47,6 +45,24 @@ required:
 
 unevaluatedProperties: false
 
+allOf:
+  - $ref: spi-controller.yaml#
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: xlnx,zynqmp-qspi-1.0
+    then:
+      properties:
+        reg:
+          minItems: 2
+
+    else:
+      properties:
+        reg:
+          maxItems: 1
+
 examples:
   - |
     #include <dt-bindings/clock/xlnx-zynqmp-clk.h>
-- 
2.34.1