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Date: Mon, 02 Dec 2013 14:03:31 +0100
From: boris brezillon <b.brezillon@...rkiz.com>
To: Mike Turquette <mturquette@...aro.org>,
Nicolas Ferre <nicolas.ferre@...el.com>,
Russell King <linux@....linux.org.uk>,
Felipe Balbi <balbi@...com>,
Jason Cooper <jason@...edaemon.net>
CC: devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-usb@...r.kernel.org
Subject: Re: [PATCH v6 00/16] ARM: at91: move to common clk framework
On 02/12/2013 12:43, boris brezillon wrote:
> Hi Mike,
>
> Le 01/12/2013 00:05, Mike Turquette a écrit :
>> Quoting Boris BREZILLON (2013-11-28 04:36:24)
>>> Hello,
>>>
>>> This patch series is the 5th version of the at91 clk implementations
>>> using the Common Clk Framework.
>> Oops, I just replied to v5 of this series. Thanks for the fixes. Which
>> tree do you want this to go through?
>
> I'm not sure: the "ARM: at91: move to common clk framework" series
Oops. I meant "ARM: at91: use new at91 clks for samad3 SoCs".
>
> depends on this one.
> "
> Nicolas, what do you think ?
> Do you want to take it into your tree ?
>
>> Regards,
>> Mike
>>
>>> 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
>>>
>>> Actually some clk drivers are missing (slow clk, main clk and processor
>>> clk), and some drivers only implement a subset of the hardware
>>> capabilities
>>> (master clk rate change is missing).
>>> But this series implements all the already available clks, and I
>>> will hopefully
>>> add missing features in a near future.
>>>
>>> This implementation is only compatible with device tree definition.
>>> The goal is to define the whole clock tree using the device tree.
>>>
>>> Just a note to let you know these bindings are currently unstable
>>> and might
>>> change in the future.
>>>
>>>
>>> Best Regards,
>>> Boris
>>>
>>> Changes since v5:
>>> - remove peripheral divisors macros from dt binding include file
>>> - remove file path from comment blocks
>>> - replace pll and utmi disable function by unprepare function to
>>> avoid issue when disabling and reenabling a clk
>>> - fix programmable clk interrupt retrieval
>>> - fix OF_CLK_DECLARE names (xxx_clk_main -> xxx_clk_pmc)
>>> - add missing comma in at91rm9200 main clk dt declaration
>>> - fix num_parents check in smd clk driver
>>>
>>> Changes since v4:
>>> - rework dt bindings:
>>> * replace "atmel,clk-id" property by the standard "reg" property
>>> * reference system, peripheral and programmable clks using the
>>> direct
>>> clk node instead of the parent node plus a clk id
>>> - provide a new helper function (of_at91_get_clk_range) to
>>> retrieve a clk
>>> range from the device tree
>>>
>>> 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 (16):
>>> 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 PMC programmable clocks
>>> clk: at91: add PMC utmi clock
>>> clk: at91: add PMC usb clock
>>> clk: at91: add PMC smd clock
>>> dt: binding: add at91 clks dt bindings documentation
>>> ARM: at91: move pit timer to common clk framework
>>> ARM: at91: add new compatible strings for pmc driver
>>>
>>> .../devicetree/bindings/clock/at91-clock.txt | 339
>>> +++++++++++++
>>> 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 | 187 +++++++
>>> drivers/clk/at91/clk-master.c | 270 ++++++++++
>>> drivers/clk/at91/clk-peripheral.c | 410
>>> +++++++++++++++
>>> drivers/clk/at91/clk-pll.c | 531
>>> ++++++++++++++++++++
>>> drivers/clk/at91/clk-plldiv.c | 135 +++++
>>> drivers/clk/at91/clk-programmable.c | 366
>>> ++++++++++++++
>>> drivers/clk/at91/clk-smd.c | 171 +++++++
>>> drivers/clk/at91/clk-system.c | 135 +++++
>>> drivers/clk/at91/clk-usb.c | 398
>>> +++++++++++++++
>>> drivers/clk/at91/clk-utmi.c | 159 ++++++
>>> drivers/clk/at91/pmc.c | 397
>>> +++++++++++++++
>>> drivers/clk/at91/pmc.h | 116 +++++
>>> drivers/usb/gadget/atmel_usba_udc.c | 2 +-
>>> include/dt-bindings/clk/at91.h | 22 +
>>> .../include/mach => include/linux/clk}/at91_pmc.h | 4 +-
>>> 36 files changed, 3741 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%)
>>>
>>> --
>>> 1.7.9.5
>
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