linux-kernel - [PATCH v4 2/9] dt-bindings: spi: fsl-qspi: add optional resets

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Message-ID: <20251027133008.360237-3-elder@riscstar.com>
Date: Mon, 27 Oct 2025 08:30:00 -0500
From: Alex Elder <elder@...cstar.com>
To: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	han.xu@....com,
	broonie@...nel.org
Cc: dlan@...too.org,
	Frank.li@....com,
	guodong@...cstar.com,
	linux-spi@...r.kernel.org,
	imx@...ts.linux.dev,
	devicetree@...r.kernel.org,
	spacemit@...ts.linux.dev,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Frank Li <Frank.Li@....com>,
	Conor Dooley <conor.dooley@...rochip.com>
Subject: [PATCH v4 2/9] dt-bindings: spi: fsl-qspi: add optional resets

Allow two resets to be defined to support the SpacemiT K1 SoC QSPI IP.
Move the allOf block down, below the required section.

Reviewed-by: Frank Li <Frank.Li@....com>
Acked-by: Conor Dooley <conor.dooley@...rochip.com>
Signed-off-by: Alex Elder <elder@...cstar.com>
---
v4: - Moved the allOf block below the required section
    - Added Frank Li's Reviewed-by

 .../bindings/spi/fsl,spi-fsl-qspi.yaml        | 20 ++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml b/Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml
index 5e6aff1bc2ed3..1d10cfbad86c7 100644
--- a/Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml
+++ b/Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml
@@ -9,9 +9,6 @@ title: Freescale Quad Serial Peripheral Interface (QuadSPI)
 maintainers:
   - Han Xu <han.xu@....com>
 
-allOf:
-  - $ref: spi-controller.yaml#
-
 properties:
   compatible:
     oneOf:
@@ -55,6 +52,11 @@ properties:
       - const: qspi_en
       - const: qspi
 
+  resets:
+    items:
+      - description: SoC QSPI reset
+      - description: SoC QSPI bus reset
+
 required:
   - compatible
   - reg
@@ -63,6 +65,18 @@ required:
   - clocks
   - clock-names
 
+allOf:
+  - $ref: spi-controller.yaml#
+  - if:
+      properties:
+        compatible:
+          not:
+            contains:
+              const: spacemit,k1-qspi
+    then:
+      properties:
+        resets: false
+
 unevaluatedProperties: false
 
 examples:
-- 
2.48.1