From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: [PATCH 2/4] infiniband: hns: add Hisilicon RoCE support(binding) Date: Fri, 4 Mar 2016 16:51:30 +0300 Message-ID: <56D992E2.3060504@cogentembedded.com> References: <1457080877-13456-1-git-send-email-xavier.huwei@huawei.com> <1457080877-13456-3-git-send-email-xavier.huwei@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, gongyangming-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, xiaokun-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, tangchaofei-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, oulijun-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, haifeng.wei-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, yisen.zhuang-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, yankejian-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, lisheng011-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, charles.chenxin-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, linuxarm-hv44wF8Li93QT0dZR+AlfA@public.gmane.org To: "Wei Hu(Xavier)" , dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, hal.rosenstock-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org, jeffrey.t.kirsher-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, jiri-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org, ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org Return-path: In-Reply-To: <1457080877-13456-3-git-send-email-xavier.huwei-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org Hello. On 3/4/2016 11:41 AM, Wei Hu(Xavier) wrote: > This submit add binding file and dts file. > > Signed-off-by: Wei Hu(Xavier) > Signed-off-by: oulijun > --- > .../bindings/infiniband/hisilicon-hns-roce.txt | 68 ++++++++++++++++++++++ > 1 file changed, 68 insertions(+) > create mode 100644 Documentation/devicetree/bindings/infiniband/hisilicon-hns-roce.txt > > diff --git a/Documentation/devicetree/bindings/infiniband/hisilicon-hns-roce.txt b/Documentation/devicetree/bindings/infiniband/hisilicon-hns-roce.txt > new file mode 100644 > index 0000000..8004641 > --- /dev/null > +++ b/Documentation/devicetree/bindings/infiniband/hisilicon-hns-roce.txt > @@ -0,0 +1,68 @@ > +HiSilicon RoCE DT description > + > +HiSilicon RoCE engine is a part of network subsystem. > +It works depending on other part of network wubsytem, such as, gmac and > +dsa fabric. > + > +Additional properties are described here: > + > +Required properties: > +- compatible: Should contain "hisilicon,hns-roce-v1". > +- reg: Physical base address of the roce driver and > +length of memory mapped region. > +- eth-handle: phandle, specifies a reference to a node > +representing a ethernet device. > +- dsaf-handle: phandle, specifies a reference to a node > +representing a dsaf device. > +- #address-cells: must be 2 > +- #size-cells: must be 2 > +Optional properties: > +- dma-coherent: Present if DMA operations are coherent. > +- interrupt-parent: the interrupt parent of this device. > +- interrupts: should contain 32 completion event irq,1 async event irq > +and 1 event overflow irq. The "interrupt-names" prop is very desirable for so many interrupts. > +Example: > + rocee@0xc4000000 { The node names should be generic and "0x" should be omitted, i.e. "infiniband@c4000000". MBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html