From: Chi-Wen Weng <cwweng.linux@gmail.com>
To: broonie@kernel.org, robh@kernel.org, krzk+dt@kernel.org,
conor+dt@kernel.org
Cc: linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
cwweng@nuvoton.com, cwweng.linux@gmail.com
Subject: [PATCH] dt-bindings: spi: nuvoton,ma35d1-qspi: Disallow GPIO chip selects
Date: Mon, 3 Aug 2026 10:40:48 +0800 [thread overview]
Message-ID: <20260803024048.1641756-1-cwweng.linux@gmail.com> (raw)
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
next reply other threads:[~2026-08-03 2:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-03 2:40 Chi-Wen Weng [this message]
2026-08-03 13:26 ` [PATCH] dt-bindings: spi: nuvoton,ma35d1-qspi: Disallow GPIO chip selects Mark Brown
2026-08-03 13:35 ` Mark Brown
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