From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinod Subject: Re: [PATCH v2 1/4] dt-bindings: k3dma: add optional property hisilicon,dma-min-chan Date: Mon, 9 Jul 2018 16:04:38 +0530 Message-ID: <20180709103438.GC22377@vkoul-mobl> References: <20180706035521.13736-1-guodong.xu@linaro.org> <20180706035521.13736-2-guodong.xu@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20180706035521.13736-2-guodong.xu@linaro.org> Sender: linux-kernel-owner@vger.kernel.org To: Guodong Xu Cc: robh+dt@kernel.org, mark.rutland@arm.com, dan.j.williams@intel.com, xuwei5@hisilicon.com, catalin.marinas@arm.com, will.deacon@arm.com, liyu65@hisilicon.com, suzhuangluan@hisilicon.com, xuhongtao8@hisilicon.com, zhongkaihua@huawei.com, xuezhiliang@hisilicon.com, xupeng7@huawei.com, sunliang10@huawei.com, fengbaopeng@hisilicon.com, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org On 06-07-18, 11:55, Guodong Xu wrote: > From: Li Yu > > Add optional property hisilicon,dma-min-chan for k3dma. > > Signed-off-by: Li Yu > Signed-off-by: Guodong Xu > --- > Documentation/devicetree/bindings/dma/k3dma.txt | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/dma/k3dma.txt b/Documentation/devicetree/bindings/dma/k3dma.txt > index 4945aeac4dc4..f34202a80f3c 100644 > --- a/Documentation/devicetree/bindings/dma/k3dma.txt > +++ b/Documentation/devicetree/bindings/dma/k3dma.txt > @@ -12,6 +12,11 @@ Required properties: > have specific request line > - clocks: clock required > > +Optional properties: > +- hisilicon,dma-min-chan: the minimum DMA channel number which is usable > + Default value is 0, but in some platform it is > + configured 1, like in hi3660 platform > + > Example: > > Controller: > @@ -21,6 +26,7 @@ Controller: > #dma-cells = <1>; > dma-channels = <16>; > dma-requests = <27>; > + hisilicon,dma-min-chan = <1>; Am still expecting this to be a mask -- ~Vinod