From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Ujfalusi Subject: [PATCH v4 1/3] dt-bindings: dmaengine: dma-common: Change dma-channel-mask to uint32-array Date: Mon, 30 Sep 2019 14:40:53 +0300 Message-ID: <20190930114055.29315-2-peter.ujfalusi@ti.com> References: <20190930114055.29315-1-peter.ujfalusi@ti.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190930114055.29315-1-peter.ujfalusi@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: vkoul@kernel.org, robh+dt@kernel.org Cc: dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, dan.j.williams@intel.com, devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org Make the dma-channel-mask to be usable for controllers with more than 32 channels. Signed-off-by: Peter Ujfalusi --- Documentation/devicetree/bindings/dma/dma-common.yaml | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/dma/dma-common.yaml b/Documentation/devicetree/bindings/dma/dma-common.yaml index ed0a49a6f020..02a34ba2b49b 100644 --- a/Documentation/devicetree/bindings/dma/dma-common.yaml +++ b/Documentation/devicetree/bindings/dma/dma-common.yaml @@ -25,11 +25,18 @@ properties: Used to provide DMA controller specific information. dma-channel-mask: - $ref: /schemas/types.yaml#definitions/uint32 description: Bitmask of available DMA channels in ascending order that are not reserved by firmware and are available to the kernel. i.e. first channel corresponds to LSB. + The first item in the array is for channels 0-31, the second is for + channels 32-63, etc. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32-array + items: + minItems: 1 + # Should be enough + maxItems: 255 dma-channels: $ref: /schemas/types.yaml#definitions/uint32 -- Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki