From: gregory.clement@free-electrons•com (Gregory CLEMENT)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 0/5] Add Core Divider clock support for Armada 370/XP
Date: Thu, 26 Sep 2013 09:38:19 +0200 [thread overview]
Message-ID: <5243E46B.2000406@free-electrons.com> (raw)
In-Reply-To: <20130925213730.GA19371@localhost>
Hi Ezequiel,
On 25/09/2013 23:37, Ezequiel Garcia wrote:
> (Ccing forgotten mvebu maintainers)
>
> On Wed, Sep 25, 2013 at 06:28:17PM -0300, Ezequiel Garcia wrote:
>> This patchset adds support for a set of clocks available in Armada 370/XP
>> known as "Core Divider" clocks.
>>
>> These are a set of gatable clocks, derived from a fixed PLL at
>> a configurable ratio. Although this patchset adds support for the more
>> general case, we only support one of the clocks, namely the NAND ECC clock.
>>
>> With this infrastructure in place, the addition of the rest of the clocks
>> would be fairly easy.
>>
>> In addition, the NAND clock is added as a fixed-ratio from the NAND ECC clock,
>> to model accurately the SoC clock tree.
>>
>> A pictorical representation of the clock tree would be:
>>
>> PLL
>> |
>> |
>> ---------------------
>> | |
>> | |
>> NAND ECC clock ...
>> |
>> |
>> NAND clock
>>
>> This patchset is based on v3.12-rc2. Any opinions are highly appreciated.
>>
For the whole series you can add my
Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons•com>
I just wonder if you were enable to test the enable and disable for the clock,
because the datasheet is a little fuzzy about it.
Thanks,
Gregory
>> Thanks!
>>
>> Ezequiel Garcia (5):
>> clk: mvebu: Add core-divider clock
>> ARM: mvebu: Add Core Divider clock device-tree binding
>> ARM: mvebu: Add a 2 GHz fixed-clock Armada 370/XP
>> ARM: mvebu: Add the core-divider clock to Armada 370/XP
>> ARM: mvebu: Add NAND clock to Armada 370/XP
>>
>> .../bindings/clock/mvebu-corediv-clock.txt | 19 ++
>> arch/arm/boot/dts/armada-370-xp.dtsi | 25 +++
>> drivers/clk/mvebu/Kconfig | 5 +
>> drivers/clk/mvebu/Makefile | 1 +
>> drivers/clk/mvebu/clk-corediv.c | 209 +++++++++++++++++++++
>> 5 files changed, 259 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/clock/mvebu-corediv-clock.txt
>> create mode 100644 drivers/clk/mvebu/clk-corediv.c
>>
>> --
>> 1.8.1.5
>>
>
--
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
next prev parent reply other threads:[~2013-09-26 7:38 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-25 21:28 [PATCH 0/5] Add Core Divider clock support for Armada 370/XP Ezequiel Garcia
2013-09-25 21:28 ` [PATCH 1/5] clk: mvebu: Add core-divider clock Ezequiel Garcia
2013-09-25 21:28 ` [PATCH 2/5] ARM: mvebu: Add Core Divider clock device-tree binding Ezequiel Garcia
2013-09-25 21:28 ` [PATCH 3/5] ARM: mvebu: Add a 2 GHz fixed-clock Armada 370/XP Ezequiel Garcia
2013-09-25 21:28 ` [PATCH 4/5] ARM: mvebu: Add the core-divider clock to " Ezequiel Garcia
2013-09-25 21:28 ` [PATCH 5/5] ARM: mvebu: Add NAND " Ezequiel Garcia
2013-09-25 21:37 ` [PATCH 0/5] Add Core Divider clock support for " Ezequiel Garcia
2013-09-26 7:38 ` Gregory CLEMENT [this message]
2013-09-26 15:26 ` Ezequiel Garcia
2013-09-26 15:47 ` Thomas Petazzoni
2013-09-26 16:00 ` Ezequiel Garcia
2013-09-26 16:12 ` Thomas Petazzoni
2013-09-26 8:24 ` [PATCH 1/5] clk: mvebu: Add core-divider clock Andrew Lunn
2013-09-26 15:12 ` Ezequiel Garcia
2013-09-26 15:56 ` Andrew Lunn
2013-09-26 16:55 ` Ben Dooks
2013-09-26 18:29 ` Ezequiel Garcia
2013-09-26 8:36 ` [PATCH 2/5] ARM: mvebu: Add Core Divider clock device-tree binding Andrew Lunn
2013-09-26 15:04 ` Ezequiel Garcia
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