Hi Angelo,

On Mon, 2022-12-05 at 15:21 +0100, AngeloGioacchino Del Regno wrote:

Il 05/12/22 07:57, Xiangsheng Hou ha scritto:

quoted

Add mediatek,rx-latch-latency property which adjust read delay in
the
unit of clock cycle.

Signed-off-by: Xiangsheng Hou <redacted>
Acked-by: Krzysztof Kozlowski <redacted>
---
  .../devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml     | 7
+++++++
  1 file changed, 7 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..6e6ff8d73fcd 100644

--- a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-

snfi.yaml

+++ b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-

snfi.yaml

@@ -45,6 +45,13 @@ properties:
      description: device-tree node of the accompanying ECC engine.
      $ref: /schemas/types.yaml#/definitions/phandle
  
+  mediatek,rx-latch-latency:
+    description: Rx delay to sample data with this value, the

value
+                 unit is clock cycle.

Can't we use nanoseconds or microseconds as a unit here, instead of
clock cycles?

The clock cycle will be various with MediaTek SPI NAND controller which
clock frequency can support 26/52/68/81/104MHz...
It`s may be easy to configure and understand with clock cycle in unit.

Thanks
Xiangsheng Hou
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