linux-kernel - [PATCH v2 05/28] spi: dt-bindings: samsung: add samsung,spi-fifosize property

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Message-ID: <20240125145007.748295-6-tudor.ambarus@linaro.org>
Date: Thu, 25 Jan 2024 14:49:43 +0000
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: broonie@...nel.org,
	andi.shyti@...nel.org,
	arnd@...db.de
Cc: robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	alim.akhtar@...sung.com,
	linux-spi@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-arch@...r.kernel.org,
	andre.draszik@...aro.org,
	peter.griffin@...aro.org,
	semen.protsenko@...aro.org,
	kernel-team@...roid.com,
	willmcvicker@...gle.com,
	Tudor Ambarus <tudor.ambarus@...aro.org>
Subject: [PATCH v2 05/28] spi: dt-bindings: samsung: add samsung,spi-fifosize property

Up to now the SPI alias was used as an index into an array defined in
the SPI driver to determine the SPI FIFO size. Drop the dependency on
the SPI alias and allow the SPI nodes to specify their SPI FIFO size.

Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
---
 Documentation/devicetree/bindings/spi/samsung,spi.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/samsung,spi.yaml b/Documentation/devicetree/bindings/spi/samsung,spi.yaml
index 2f0a0835ecfb..4ad5b8fe57aa 100644
--- a/Documentation/devicetree/bindings/spi/samsung,spi.yaml
+++ b/Documentation/devicetree/bindings/spi/samsung,spi.yaml
@@ -72,6 +72,11 @@ properties:
   reg:
     maxItems: 1
 
+  samsung,spi-fifosize:
+    description: The fifo size supported by the SPI instance.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [64, 256]
+
 required:
   - compatible
   - clocks
-- 
2.43.0.429.g432eaa2c6b-goog