linux-kernel - [PATCH v6 5/5] dt-bindings: spi: mtk-snfi: Add read latch latency property

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Date:   Wed, 1 Feb 2023 10:09:21 +0800
From:   Xiangsheng Hou <xiangsheng.hou@...iatek.com>
To:     Mark Brown <broonie@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     Chuanhong Guo <gch981213@...il.com>,
        Xiangsheng Hou <xiangsheng.hou@...iatek.com>,
        <linux-spi@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <benliang.zhao@...iatek.com>,
        <bin.zhang@...iatek.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH v6 5/5] dt-bindings: spi: mtk-snfi: Add read latch latency property

Add mediatek,rx-latch-latency-ns property which adjust data read
latch latency in the unit of nanoseconds.

Signed-off-by: Xiangsheng Hou <xiangsheng.hou@...iatek.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 .../devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml         | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml
index bab23f1b11fd..1e5e89a693c3 100644
--- a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml
+++ b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml
@@ -45,6 +45,9 @@ properties:
     description: device-tree node of the accompanying ECC engine.
     $ref: /schemas/types.yaml#/definitions/phandle
 
+  mediatek,rx-latch-latency-ns:
+    description: Data read latch latency, unit is nanoseconds.
+
 required:
   - compatible
   - reg
-- 
2.25.1