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Message-ID: <5260EEBC.2090002@atmel.com>
Date: Fri, 18 Oct 2013 10:18:04 +0200
From: Nicolas Ferre <nicolas.ferre@...el.com>
To: Rob Herring <rob.herring@...xeda.com>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Stephen Warren <swarren@...dotorg.org>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Rob Landley <rob@...dley.net>,
Mike Turquette <mturquette@...aro.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Grant Likely <grant.likely@...aro.org>,
<devicetree@...r.kernel.org>
CC: Boris BREZILLON <b.brezillon@...rkiz.com>,
Andrew Victor <linux@...im.org.za>,
Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
Russell King <linux@....linux.org.uk>,
Felipe Balbi <balbi@...com>,
Ludovic Desroches <ludovic.desroches@...el.com>,
Josh Wu <josh.wu@...el.com>,
Richard Genoud <richard.genoud@...il.com>,
<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>, <linux-usb@...r.kernel.org>
Subject: Re: [PATCH v4 00/17] ARM: at91: move to common clk framework
On 11/10/2013 09:37, Boris BREZILLON :
> Hello,
>
> This patch series is the 4th version of the new at91 clock implementation
> (using common clk framework).
Mike, DT maintainers,
Can you have a look at this series converting the AT91 family to common
clock framework and associated Device Tree description?
Here is the thread on gmane:
http://thread.gmane.org/gmane.linux.ports.arm.kernel/272550
Mike, I think that you already reviewed a previous version of this
series and I guess that we have finalized it.
So gentlemen, It can be good for us if you can give us your "review" or
"acknowledgement" tags...
Thanks, best regards,
> Most of the clock provided by the PMC (Power Management Controller) are
> implemented :
> - main clock (main oscillator)
> - pll clocks
> - master clock
> - programmable clocks
> - utmi clock
> - peripheral clocks
> - system clocks
>
> This implementation is only compatible with device tree definition.
> The goal is to define the whole clock tree in the device tree.
>
> Could a dt maintainer take a look at these dt bindinds.
>
> This patch series is based on linus tree (but should apply correctly on
> linux-next) and has been tested on sama5d31ek.
>
> Best Regards,
> Boris
>
> Changes since v3:
> - simplify master clk implementation (drop set_rate/parent support)
> - fix bug in set_rate function of pll driver
> - fix coding style issues
> - define macros and constants where needed
> - remove peripheral id macro references
> - remove sam9g35 specific handling (sam9g35 = sam9x5)
> - rework main clk prepare function to handle automatic rate calculation
>
> Changes since v2:
> - fix several bugs in clk implementations
> - drop non-dt boards support
> - split the series to ease review and tests:
> * 1 patch series for new clk implementations (this series)
> * 1 patch series to move each at91 SoC to common clk framework (coming soon)
> - modify dt-bindings (add atmel,clk- prefix to atmel specific properties)
> - add clk macros for dt-bindings
> - add pmc framework (helper function to access pmc registers)
> - add interrupt support to enable passive wait in clk_prepare functions
>
> Changes since v1:
> - fix bugs in pll, programmable and system clock implementations
> (wrong bit position).
> - add usb clock configuration support (ohci and udc drivers +
> clk_lookup for non dt boards)
> - rework of the system clock interfaces (no need to define a parent clock,
> system clock is a gate with no rate info)
> - change system, peripheral and programmable clk dt bindings (1 master node
> and multiple child nodes each defining a system/peripheral or prog clock)
> - fix bugs in sama5 dt definition
>
> Boris BREZILLON (17):
> ARM: at91: move at91_pmc.h to include/linux/clk/at91_pmc.h
> ARM: at91: add Kconfig options for common clk support
> clk: at91: add PMC base support
> clk: at91: add PMC macro file for dt definitions
> clk: at91: add PMC main clock
> clk: at91: add PMC pll clocks
> clk: at91: add PMC master clock
> clk: at91: add PMC system clocks
> clk: at91: add PMC peripheral clocks
> clk: at91: add peripheral clk macros for peripheral clk dt bindings
> clk: at91: add PMC programmable clocks
> clk: at91: add PMC utmi clock
> clk: at91: add PMC usb clock
> clk: at91: add PMC smd clock
> clk: at91: add PMC clk device tree binding doc.
> ARM: at91: move pit timer to common clk framework
> ARM: at91: add new compatible strings for pmc driver
>
> .../devicetree/bindings/clock/at91-clock.txt | 328 ++++++++++++
> arch/arm/mach-at91/Kconfig | 44 ++
> arch/arm/mach-at91/Kconfig.non_dt | 6 +
> arch/arm/mach-at91/Makefile | 2 +-
> arch/arm/mach-at91/at91rm9200.c | 2 +-
> arch/arm/mach-at91/at91sam9260.c | 2 +-
> arch/arm/mach-at91/at91sam9261.c | 2 +-
> arch/arm/mach-at91/at91sam9263.c | 2 +-
> arch/arm/mach-at91/at91sam926x_time.c | 14 +-
> arch/arm/mach-at91/at91sam9g45.c | 2 +-
> arch/arm/mach-at91/at91sam9n12.c | 2 +-
> arch/arm/mach-at91/at91sam9rl.c | 2 +-
> arch/arm/mach-at91/at91sam9x5.c | 2 +-
> arch/arm/mach-at91/clock.c | 7 +-
> arch/arm/mach-at91/generic.h | 3 +-
> arch/arm/mach-at91/pm.c | 2 +-
> arch/arm/mach-at91/pm_slowclock.S | 2 +-
> arch/arm/mach-at91/sama5d3.c | 2 +-
> arch/arm/mach-at91/setup.c | 8 +-
> drivers/clk/Makefile | 1 +
> drivers/clk/at91/Makefile | 12 +
> drivers/clk/at91/clk-main.c | 189 +++++++
> drivers/clk/at91/clk-master.c | 278 ++++++++++
> drivers/clk/at91/clk-peripheral.c | 407 +++++++++++++++
> drivers/clk/at91/clk-pll.c | 539 ++++++++++++++++++++
> drivers/clk/at91/clk-plldiv.c | 137 +++++
> drivers/clk/at91/clk-programmable.c | 423 +++++++++++++++
> drivers/clk/at91/clk-smd.c | 173 +++++++
> drivers/clk/at91/clk-system.c | 193 +++++++
> drivers/clk/at91/clk-usb.c | 400 +++++++++++++++
> drivers/clk/at91/clk-utmi.c | 162 ++++++
> drivers/clk/at91/pmc.c | 372 ++++++++++++++
> drivers/clk/at91/pmc.h | 113 ++++
> drivers/usb/gadget/atmel_usba_udc.c | 2 +-
> include/dt-bindings/clk/at91.h | 28 +
> .../include/mach => include/linux/clk}/at91_pmc.h | 4 +-
> 36 files changed, 3847 insertions(+), 20 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/clock/at91-clock.txt
> create mode 100644 drivers/clk/at91/Makefile
> create mode 100644 drivers/clk/at91/clk-main.c
> create mode 100644 drivers/clk/at91/clk-master.c
> create mode 100644 drivers/clk/at91/clk-peripheral.c
> create mode 100644 drivers/clk/at91/clk-pll.c
> create mode 100644 drivers/clk/at91/clk-plldiv.c
> create mode 100644 drivers/clk/at91/clk-programmable.c
> create mode 100644 drivers/clk/at91/clk-smd.c
> create mode 100644 drivers/clk/at91/clk-system.c
> create mode 100644 drivers/clk/at91/clk-usb.c
> create mode 100644 drivers/clk/at91/clk-utmi.c
> create mode 100644 drivers/clk/at91/pmc.c
> create mode 100644 drivers/clk/at91/pmc.h
> create mode 100644 include/dt-bindings/clk/at91.h
> rename {arch/arm/mach-at91/include/mach => include/linux/clk}/at91_pmc.h (98%)
>
--
Nicolas Ferre
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