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* [PATCH] dt-bindings: spi: nuvoton,ma35d1-qspi: Disallow GPIO chip selects
@ 2026-08-03  2:40 Chi-Wen Weng
  2026-08-03 13:26 ` Mark Brown
  2026-08-03 13:35 ` Mark Brown
  0 siblings, 2 replies; 3+ messages in thread
From: Chi-Wen Weng @ 2026-08-03  2:40 UTC (permalink / raw)
  To: broonie, robh, krzk+dt, conor+dt
  Cc: linux-arm-kernel, linux-spi, devicetree, linux-kernel, cwweng,
	cwweng.linux

From: Chi-Wen Weng <cwweng@nuvoton.com>

The generic SPI controller binding allows GPIO-based chip selects, but
the MA35D1 QSPI driver currently supports only the controller's native
chip selects.

Disallow the cs-gpios property so that the binding matches the
functionality provided by the driver.

Signed-off-by: Chi-Wen Weng <cwweng@nuvoton.com>
---
 Documentation/devicetree/bindings/spi/nuvoton,ma35d1-qspi.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/nuvoton,ma35d1-qspi.yaml b/Documentation/devicetree/bindings/spi/nuvoton,ma35d1-qspi.yaml
index 377ccf4fb224..40965ec5163b 100644
--- a/Documentation/devicetree/bindings/spi/nuvoton,ma35d1-qspi.yaml
+++ b/Documentation/devicetree/bindings/spi/nuvoton,ma35d1-qspi.yaml
@@ -33,6 +33,8 @@ properties:
     maximum: 2
     default: 2
 
+  cs-gpios: false
+
 required:
   - compatible
   - reg
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2026-08-03 15:13 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2026-08-03  2:40 [PATCH] dt-bindings: spi: nuvoton,ma35d1-qspi: Disallow GPIO chip selects Chi-Wen Weng
2026-08-03 13:26 ` Mark Brown
2026-08-03 13:35 ` Mark Brown

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