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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Andy Gross <agross@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konrad.dybcio@linaro.org>,
	Vinod Koul <vkoul@kernel.org>, Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	linux-arm-msm@vger.kernel.org, dmaengine@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Subject: [PATCH] dt-bindings: dma: qcom,bam: require one of control methods
Date: Mon, 26 Jun 2023 16:56:45 +0200	[thread overview]
Message-ID: <20230626145645.646136-1-krzysztof.kozlowski@linaro.org> (raw)

The BAM DMA resources can be controlled remotely (e.g. by trusted
environment; needs qcom,powered-remotely or qcom,controlled-remotely
properties) or locally.  In the latter case we need to provide its
clock.

Require one of methods of such control to properly validate DTS.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
index c9c34f7cdf5b..a0af90ec86f1 100644
--- a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
+++ b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
@@ -95,6 +95,15 @@ required:
   - qcom,ee
   - reg
 
+anyOf:
+  - required:
+      - qcom,powered-remotely
+  - required:
+      - qcom,controlled-remotely
+  - required:
+      - clocks
+      - clock-names
+
 additionalProperties: false
 
 examples:
-- 
2.34.1


             reply	other threads:[~2023-06-26 14:56 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-26 14:56 Krzysztof Kozlowski [this message]
2023-06-26 16:57 ` [PATCH] dt-bindings: dma: qcom,bam: require one of control methods Conor Dooley
2023-07-11 16:44 ` Vinod Koul

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