From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Stultz Subject: [PATCH 2/8 v3] Documentation: bindings: k3dma: Add binding for hisi-dma-avail-chan Date: Thu, 10 Jan 2019 09:34:06 -0800 Message-ID: <1547141652-8660-3-git-send-email-john.stultz@linaro.org> References: <1547141652-8660-1-git-send-email-john.stultz@linaro.org> Return-path: In-Reply-To: <1547141652-8660-1-git-send-email-john.stultz@linaro.org> Sender: linux-kernel-owner@vger.kernel.org To: lkml Cc: Vinod Koul , Rob Herring , Mark Rutland , Tanglei Han , Zhuangluan Su , Ryan Grachek , Manivannan Sadhasivam , dmaengine@vger.kernel.org, devicetree@vger.kernel.org, John Stultz List-Id: devicetree@vger.kernel.org Some dma channels can be reserved for secure mode or other hardware on the SoC, so provide a binding for a bitmask listing the available channels for the kernel to use. Cc: Vinod Koul Cc: Rob Herring Cc: Mark Rutland Cc: Tanglei Han Cc: Zhuangluan Su Cc: Ryan Grachek Cc: Manivannan Sadhasivam Cc: dmaengine@vger.kernel.org Cc: devicetree@vger.kernel.org Signed-off-by: John Stultz --- v3: Renamed to hisi-dma-avail-chan --- Documentation/devicetree/bindings/dma/k3dma.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/k3dma.txt b/Documentation/devicetree/bindings/dma/k3dma.txt index 10a2f15..38825d4 100644 --- a/Documentation/devicetree/bindings/dma/k3dma.txt +++ b/Documentation/devicetree/bindings/dma/k3dma.txt @@ -14,6 +14,9 @@ Required properties: have specific request line - clocks: clock required +Optional properties: +- hisi-dma-avail-chan: Bitmask of available physical channels + Example: Controller: -- 2.7.4