linux-kernel - [PATCH 2/6] dt-bindings: spi: stm32: add st,stm32mp25-spi compatible

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Message-ID: <20231218155721.359198-3-alain.volmat@foss.st.com>
Date: Mon, 18 Dec 2023 16:57:14 +0100
From: Alain Volmat <alain.volmat@...s.st.com>
To: Mark Brown <broonie@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre
 Torgue <alexandre.torgue@...s.st.com>,
        Alain Volmat
	<alain.volmat@...s.st.com>,
        Erwan Leray <erwan.leray@...s.st.com>,
        Fabrice
 Gasnier <fabrice.gasnier@...s.st.com>
CC: Valentin Caron <valentin.caron@...s.st.com>, <linux-spi@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/6] dt-bindings: spi: stm32: add st,stm32mp25-spi compatible

From: Valentin Caron <valentin.caron@...s.st.com>

Add st,stm32mp25-spi compatible in dt-bindings.  STM32MP25 spi is similar
to the STM32H7 except for the following two points:
  - Burst should not be enabled with the new DMA used on STM32MP25.
  - STM32MP25 SPI8 has a limited feature set, it can only send words of
    8 or 16 bits and with a maximum words number of 1024.

Signed-off-by: Valentin Caron <valentin.caron@...s.st.com>
Signed-off-by: Alain Volmat <alain.volmat@...s.st.com>
---
 Documentation/devicetree/bindings/spi/st,stm32-spi.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml b/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml
index 5754d603f34f..4bd9aeb81208 100644
--- a/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml
+++ b/Documentation/devicetree/bindings/spi/st,stm32-spi.yaml
@@ -25,6 +25,7 @@ properties:
       - st,stm32f4-spi
       - st,stm32f7-spi
       - st,stm32h7-spi
+      - st,stm32mp25-spi
 
   reg:
     maxItems: 1
-- 
2.25.1