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From: Mario Kicherer <dev@kicherer.org>
To: linux-spi@vger.kernel.org
Cc: han.xu@nxp.com, broonie@kernel.org, robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, devicetree@vger.kernel.org,
	Mario Kicherer <dev@kicherer.org>
Subject: [PATCH 1/2] spi: dt-bindings: spi-fsl-qspi: add optional sampling-delay
Date: Mon, 16 Jan 2023 12:50:49 +0100	[thread overview]
Message-ID: <20230116115050.2983406-2-dev@kicherer.org> (raw)
In-Reply-To: <20230116115050.2983406-1-dev@kicherer.org>

Add optional sampling-delay property to delay the internal sampling point for
incoming data.

Signed-off-by: Mario Kicherer <dev@kicherer.org>
---
 Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml b/Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml
index e58644558412..7952a4be938b 100644
--- a/Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml
+++ b/Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml
@@ -54,6 +54,12 @@ properties:
       - const: qspi_en
       - const: qspi
 
+  fsl,qspi-sampling-delay:
+    description: delay sampling of incoming data by this number of half cycles
+    minimum: 0
+    maximum: 3
+    default: 0
+
 required:
   - compatible
   - reg
-- 
2.34.1


  reply	other threads:[~2023-01-16 12:19 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-16 11:50 [PATCH 0/2] spi: spi-fsl-qspi: support setting sampling delay through devicetree Mario Kicherer
2023-01-16 11:50 ` Mario Kicherer [this message]
2023-01-16 16:36   ` [PATCH 1/2] spi: dt-bindings: spi-fsl-qspi: add optional sampling-delay Rob Herring
2023-01-17 14:10   ` Rob Herring
2023-01-17 16:33     ` Mario Kicherer
2023-01-17 17:10       ` Krzysztof Kozlowski
2023-01-17 21:05         ` han.xu
2023-01-18  8:01           ` Michael Walle
2023-01-18  8:03             ` Krzysztof Kozlowski
2023-01-18  8:51               ` Michael Walle
2023-01-18 14:58           ` Mario Kicherer
2023-01-16 11:50 ` [PATCH 2/2] spi: spi-fsl-qspi: support setting sampling delay through devicetree Mario Kicherer

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