linux-kernel - [PATCH 2/3] spi: dt-bindings: samsung: add samsung,spi-polling property

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Message-Id: <20230404060011.108561-3-jaewon02.kim@samsung.com>
Date:   Tue,  4 Apr 2023 15:00:10 +0900
From:   Jaewon Kim <jaewon02.kim@...sung.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Andi Shyti <andi@...zian.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     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,
        Chanho Park <chanho61.park@...sung.com>,
        Jaewon Kim <jaewon02.kim@...sung.com>
Subject: [PATCH 2/3] spi: dt-bindings: samsung: add samsung,spi-polling
 property

This patch adds "samsung,spi-polling" property.
It is method to check data trans by polling when DMA is not used.

Signed-off-by: Jaewon Kim <jaewon02.kim@...sung.com>
---
 Documentation/devicetree/bindings/spi/samsung,spi.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/samsung,spi.yaml b/Documentation/devicetree/bindings/spi/samsung,spi.yaml
index e0a465d70b0a..b4942fe160f2 100644
--- a/Documentation/devicetree/bindings/spi/samsung,spi.yaml
+++ b/Documentation/devicetree/bindings/spi/samsung,spi.yaml
@@ -69,6 +69,12 @@ properties:
     $ref: /schemas/types.yaml#/definitions/uint32
     default: 0
 
+  samsung,spi-polling:
+    description:
+      Polling SPI data without DMA transfer.
+    type: boolean
+    default: 0
+
   reg:
     maxItems: 1
 
-- 
2.17.1