From mboxrd@z Thu Jan 1 00:00:00 1970 From: ezequiel.garcia@free-electrons.com (Ezequiel Garcia) Date: Wed, 25 Sep 2013 18:37:31 -0300 Subject: [PATCH 0/5] Add Core Divider clock support for Armada 370/XP In-Reply-To: <1380144502-24109-1-git-send-email-ezequiel.garcia@free-electrons.com> References: <1380144502-24109-1-git-send-email-ezequiel.garcia@free-electrons.com> Message-ID: <20130925213730.GA19371@localhost> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org (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. > > 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 > -- Ezequiel Garc?a, Free Electrons Embedded Linux, Kernel and Android Engineering http://free-electrons.com