Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933054AbcKPN5Y (ORCPT ); Wed, 16 Nov 2016 08:57:24 -0500 Received: from smtprelay.synopsys.com ([198.182.60.111]:46038 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932166AbcKPN5V (ORCPT ); Wed, 16 Nov 2016 08:57:21 -0500 From: Eugeniy Paltsev To: devicetree@vger.kernel.org Cc: robh+dt@kernel.org, mark.rutland@arm.com, linux-kernel@vger.kernel.org, andriy.shevchenko@linux.intel.com, vireshk@kernel.org, dan.j.williams@intel.com, vinod.koul@intel.com, dmaengine@vger.kernel.org, linux-snps-arc@lists.infradead.org, Eugeniy Paltsev Subject: [PATCH 4/4] Update device tree Synopsys DW DMAC documentation Date: Wed, 16 Nov 2016 16:56:55 +0300 Message-Id: <1479304615-11360-5-git-send-email-Eugeniy.Paltsev@synopsys.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1479304615-11360-1-git-send-email-Eugeniy.Paltsev@synopsys.com> References: <1479304615-11360-1-git-send-email-Eugeniy.Paltsev@synopsys.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1927 Lines: 52 * Rename is_private to is-private as ordered by DT policy. The change leaves the support for the old format. * Add is-memcpu property, so it is possible to enable memory-to-memory transfers support via DT. * Add hw-llp property, so it is possible to enable hardware multi block transfers support via DT. Fix white spaces. Signed-off-by: Eugeniy Paltsev --- Documentation/devicetree/bindings/dma/snps-dma.txt | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/dma/snps-dma.txt b/Documentation/devicetree/bindings/dma/snps-dma.txt index 0f55832..d41d960 100644 --- a/Documentation/devicetree/bindings/dma/snps-dma.txt +++ b/Documentation/devicetree/bindings/dma/snps-dma.txt @@ -20,13 +20,19 @@ Required properties: Deprecated properties: - data_width: Maximum data width supported by hardware per AHB master (0 - 8bits, 1 - 16bits, ..., 5 - 256bits) +- is_private: The device channels should be marked as private and not for by the + general purpose DMA channel allocator. False if not passed. Optional properties: - interrupt-parent: Should be the phandle for the interrupt controller that services interrupts for this device -- is_private: The device channels should be marked as private and not for by the +- is-private: The device channels should be marked as private and not for by the general purpose DMA channel allocator. False if not passed. +- is-memcpu: The device channels do support memory-to-memory transfers. False + if not passed. +- hw-llp: Multi block transfers supported by hardware per AHB master. + 0 (default): not supported, 1: supported. Example: @@ -56,7 +62,7 @@ The four cells in order are: 4. Peripheral master for transfers on allocated channel Example: - + serial@e0000000 { compatible = "arm,pl011", "arm,primecell"; reg = <0xe0000000 0x1000>; -- 2.5.5