Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754736Ab3IYWl1 (ORCPT ); Wed, 25 Sep 2013 18:41:27 -0400 Received: from zetta.elopez.com.ar ([199.30.59.35]:53991 "EHLO zetta.elopez.com.ar" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751226Ab3IYWl0 (ORCPT ); Wed, 25 Sep 2013 18:41:26 -0400 Message-ID: <52436682.3060106@elopez.com.ar> Date: Wed, 25 Sep 2013 19:41:06 -0300 From: =?ISO-8859-1?Q?Emilio_L=F3pez?= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.0 MIME-Version: 1.0 To: Maxime Ripard , Daniel Lezcano , Thomas Gleixner CC: linux-arm-kernel@lists.infradead.org, kevin.z.m.zh@gmail.com, sunny@allwinnertech.com, shuge@allwinnertech.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/5] Allwinner SoCs High Speed Timer support References: <1380117790-19390-1-git-send-email-maxime.ripard@free-electrons.com> In-Reply-To: <1380117790-19390-1-git-send-email-maxime.ripard@free-electrons.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2057 Lines: 58 Hi Maxime, El 25/09/13 11:03, Maxime Ripard escribi?: > Hi everyone, > > Here is a few patches adding support for the High Speed Timers running on the > Allwinner SoCs. > > These timers are 64 bits timers running at a much higher speed than the timers > used for now on these SoCs, since they are no longer wired to the 24MHz > oscillator, but to the AHB clock. > > This HS timers are actually found in all the supported SoCs but the A10. > However, the A20 and A31 come with 4 of these high speed timers, while the A10s > and A13 only have two, hence why we introduce two different compatibles. > > The A31 is not using these for now, as its timers are asserted in reset by a > reset controller that first need to gain some support in the kernel first, but > that's for another patchset. > > Thanks, > Maxime > > Maxime Ripard (5): > clocksource: sun4i: Select CLKSRC_MMIO > clocksource: Add Allwinner SoCs HS timers driver > ARM: sun5i: a10s: Add support for the High Speed Timers > ARM: sun5i: a13: Add support for the High Speed Timers > ARM: sun7i: a20: Add support for the High Speed Timers I tested these 5 patches on my Cubieboard2 (A20) and it boots and seems to work fine, so Tested-by: Emilio L?pez # uptime && cat /proc/interrupts 01:45:01 up 1:45, load average: 0.01, 0.03, 0.04 CPU0 33: 56223 GIC 33 serial 54: 0 GIC 54 sun4i_timer0 87: 522 GIC 87 eth0 113: 66980 GIC 113 sun5i_timer0 IPI0: 0 CPU wakeup interrupts IPI1: 0 Timer broadcast interrupts IPI2: 0 Rescheduling interrupts IPI3: 0 Function call interrupts IPI4: 0 Single function call interrupts IPI5: 0 CPU stop interrupts Err: 0 Cheers, Emilio -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/