Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Hector Martin <marcan@marcan.st>
To:     Mark Brown <broonie@kernel.org>
Cc:     Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Tudor Ambarus <tudor.ambarus@microchip.com>,
        linux-spi@vger.kernel.org, devicetree@vger.kernel.org,
        Janne Grunau <j@jannau.net>,
        Alyssa Rosenzweig <alyssa@rosenzweig.io>,
        asahi@lists.linux.dev, linux-kernel@vger.kernel.org,
        Rob Herring <robh@kernel.org>, Hector Martin <marcan@marcan.st>
Subject: [PATCH v2 2/3] spi: dt-bindings: Add hold/inactive CS delay peripheral properties
Date:   Fri, 13 Jan 2023 19:23:09 +0900
Message-Id: <20230113102309.18308-3-marcan@marcan.st>
In-Reply-To: <20230113102309.18308-1-marcan@marcan.st>
References: <20230113102309.18308-1-marcan@marcan.st>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

From: Janne Grunau <j@jannau.net>

These two properties complete the bindings for the Linux spi_device cs
model, which includes cs_setup, cs_hold and cs_inactive delay values.

Signed-off-by: Janne Grunau <j@jannau.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hector Martin <marcan@marcan.st>
---
 .../devicetree/bindings/spi/spi-peripheral-props.yaml  | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
index 9a60c0664bbe..782a014b63a7 100644
--- a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
@@ -49,6 +49,16 @@ properties:
       Delay in nanoseconds to be introduced by the controller after CS is
       asserted.
 
+  spi-cs-hold-delay-ns:
+    description:
+      Delay in nanoseconds to be introduced by the controller before CS is
+      de-asserted.
+
+  spi-cs-inactive-delay-ns:
+    description:
+      Delay in nanoseconds to be introduced by the controller after CS is
+      de-asserted.
+
   spi-rx-bus-width:
     description:
       Bus width to the SPI bus used for read transfers.
-- 
2.35.1