Hello,
This patch series is the 4th version of the new at91 clock implementation
(using common clk framework).
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%)
--
1.7.9.5
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