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Message-ID: <529C7245.5010409@overkiz.com>
Date: Mon, 02 Dec 2013 12:43:01 +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
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
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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