From: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3 0/3] arc: introduce timer driver and update device tree
Date: Fri, 24 Mar 2017 11:54:37 +0000 [thread overview]
Message-ID: <1490356477.5689.10.camel@synopsys.com> (raw)
In-Reply-To: <1490096989-11355-1-git-send-email-vzakhar@synopsys.com>
Hi Vlad,
On Tue, 2017-03-21 at 14:49 +0300, Vlad Zakharov wrote:
> ARC cores may have up to 2 built-in timers: timer0 and timer1,
> usually at least one of them exists. They both are driven by the
> same core clock.
>
> They are controlled through auxiliary registers and so we
> don't have to remap their control registers as we used to do
> with MMIO registers of external peripheral devices.
>
> This patch series replaces legacy approach to access ARC timer
> via specific code in "arch/arc/lib/time.c" and uses timer
> driver instead.
>
> We want to have common device tree blobs for both Linux and U-Boot.
> To achieve this the patch updates arc device trees with the following:
> 1. Separate axs10x.dts device tree in order to reflect the real
> structure of AXS101 and AXS103 development boards.
> 2. Add timer device to skeleton ARC device tree.
> 3. Add core_clk devices to all ARC boards as it is referenced from
> timer device.
>
> ---
> Changes v2..v3:
> - Rebase on top of upstream master
>
> Vlad Zakharov (3):
> drivers: timer: Introduce ARC timer driver
> arc: dts: separate single axs10x.dts file
> arc: use timer driver for ARC boards
Applied to my tree, thanks!
-Alexey
prev parent reply other threads:[~2017-03-24 11:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-21 11:49 [U-Boot] [PATCH v3 0/3] arc: introduce timer driver and update device tree Vlad Zakharov
2017-03-21 11:49 ` [U-Boot] [PATCH v3 1/3] drivers: timer: Introduce ARC timer driver Vlad Zakharov
2017-03-21 11:49 ` [U-Boot] [PATCH v3 2/3] arc: dts: separate single axs10x.dts file Vlad Zakharov
2017-03-21 11:49 ` [U-Boot] [PATCH v3 3/3] arc: use timer driver for ARC boards Vlad Zakharov
2017-03-24 11:54 ` Alexey Brodkin [this message]
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