From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-f196.google.com ([209.85.216.196]:44264 "EHLO mail-qt0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729350AbeIFSwe (ORCPT ); Thu, 6 Sep 2018 14:52:34 -0400 MIME-Version: 1.0 References: <66335e5f59c186b291f8c3c98c9dadbd61d0cd3e.1536138304.git.ren_guo@c-sky.com> In-Reply-To: <66335e5f59c186b291f8c3c98c9dadbd61d0cd3e.1536138304.git.ren_guo@c-sky.com> From: Arnd Bergmann Date: Thu, 6 Sep 2018 16:16:30 +0200 Message-ID: Subject: Re: [PATCH V3 17/26] csky: Misc headers Content-Type: text/plain; charset="UTF-8" Sender: linux-arch-owner@vger.kernel.org List-ID: To: Guo Ren Cc: linux-arch , Linux Kernel Mailing List , Thomas Gleixner , Daniel Lezcano , Jason Cooper , c-sky_gcc_upstream@c-sky.com, gnu-csky@mentor.com, Thomas Petazzoni , wbx@uclibc-ng.org, Greentime Hu Message-ID: <20180906141630.IuO38DR_mHpJFN2BzqkpbWBVXgM4E2wssE3oqo83cgs@z> On Wed, Sep 5, 2018 at 2:08 PM Guo Ren wrote: > diff --git a/arch/csky/boot/dts/qemu.dts b/arch/csky/boot/dts/qemu.dts > new file mode 100644 > index 0000000..d36e4cd > --- /dev/null > +++ b/arch/csky/boot/dts/qemu.dts > @@ -0,0 +1,77 @@ > +/dts-v1/; > +/ { > + compatible = "csky,qemu"; > + #address-cells = <1>; > + #size-cells = <1>; > + interrupt-parent = <&intc>; Ideally, qemu would supply a dtb file that matches the current configuration, as we do for instance on the ARM 'virt' machine. This allows you much more flexibility in running all kinds of options, as well as extending qemu later with new features. > + > + timer0: timer@0xffffd000 { > + compatible = "snps,dw-apb-timer"; > + reg = <0xffffd000 0x1000>; > + clocks = <&dummy_apb>; > + clock-names = "timer"; > + interrupts = <1>; > + }; > + > + timer1: timer@0xffffd014 { Drop the leading '0x' in the unit-address here (in all devices) Arnd