[RFC PATCH v2 00/11] MIPS: Alchemy: clock framework support

From: Manuel Lauss
Date: Thu Jul 03 2014 - 09:23:03 EST

Hello,

Here's another round of patches which expose the configurable parts
of the onchip clocktree of Alchemy SoCs to the common clock framework.

v2: split original patch #2 into a clock framework patch and multiple
driver adjustment patches, suggested by Mike Turquette.

patch #1 is a big(ger) cleanup of the au1000.h header which presented
itself during preparation of the other patches. It's required
for the others to compile.
patch #2 adds the clock framework integration,
patches #3-#11 adjust various setup files and drivers to use the clock
framework to get at required clocks and frequencies.

The whole series has been tested on DB1300 and DB1500 boards (i.e. the
newest variant and an older one with the inflexible dividers), every-
thing works as before.

Example clock tree dumps: All clocks listed here have been set up by
firmware.

db1300 ~ # cat /sys/kernel/debug/clk/clk_summary
clock enable_cnt prepare_cnt rate accuracy
--------------------------------------------------------------------------------
root_clk 3 3 12000000 0
auxpll2_clk 1 1 756000000 0
fg5_clk 0 0 252000000 0
maebsa_clk 0 0 252000000 0
fg4_clk 0 0 189000000 0
maempe_clk 0 0 189000000 0
fg3_clk 0 0 252000000 0
gpemgp_clk 0 0 252000000 0
fg2_clk 1 1 189000000 0
EXTCLK1 1 1 47250000 0
fg1_clk 0 0 756000000 0
fg0_clk 0 0 756000000 0
auxpll_clk 1 1 192000000 0
EXTCLK0 0 0 192000000 0
lcd_intclk 1 1 96000000 0
cpu_clk 1 1 660000000 0
sysbus_clk 1 1 330000000 0
mem_clk 0 0 330000000 0
periph_clk 3 3 165000000 0
lr_clk 0 0 165000000 0


db1500 ~ # cat /sys/kernel/debug/clk/clk_summary
clock enable_cnt prepare_cnt rate accuracy
--------------------------------------------------------------------------------
root_clk 2 2 12000000 0
auxpll_clk 2 2 384000000 0
EXTCLK1 0 0 384000000 0
EXTCLK0 0 0 384000000 0
fg2_clk 1 1 64000000 0
pci_clko 1 1 64000000 0
fg1_clk 1 1 96000000 0
usbh_clk 1 1 48000000 0
usbd_clk 0 0 48000000 0
cpu_clk 1 1 396000000 0
fg5_clk 0 0 198000000 0
fg4_clk 0 0 198000000 0
fg3_clk 0 0 198000000 0
fg0_clk 0 0 198000000 0
sysbus_clk 1 1 198000000 0
mem_clk 0 0 99000000 0
periph_clk 1 1 99000000 0
lr_clk 0 0 99000000 0


Feedback very much appreciated!

Thank you,
Manuel Lauss

Manuel Lauss (11):
MIPS: Alchemy: au1000 header file cleanup
MIPS: Alchemy: clock framework integration of onchip clocks
MIPS: Alchemy: platform: use clk framework for uarts
MIPS: Alchemy: usb: use clk framework
MIPS: Alchemy: pci: use clk framework to enable PCI clock
MIPS: Alchemy: db1200: use clk framework
MIPS: Alchemy: irda: use clk framework
MIPS: Alchemy: au1100fb: use clk framework
MIPS: Alchemy: au1200fb: use clk framework
MIPS: Alchemy: au1xmmc: use clk framework
MIPS: Alchemy: remove old clock support

arch/mips/Kconfig | 1 +
arch/mips/alchemy/board-mtx1.c | 4 +-
arch/mips/alchemy/board-xxs1500.c | 4 +-
arch/mips/alchemy/common/Makefile | 4 +-
arch/mips/alchemy/common/clock.c | 1097 ++++++++++
arch/mips/alchemy/common/clocks.c | 105 -
arch/mips/alchemy/common/dbdma.c | 22 +-
arch/mips/alchemy/common/dma.c | 15 +-
arch/mips/alchemy/common/irq.c | 4 +-
arch/mips/alchemy/common/platform.c | 15 +-
arch/mips/alchemy/common/power.c | 88 +-
arch/mips/alchemy/common/setup.c | 18 +-
arch/mips/alchemy/common/time.c | 25 +-
arch/mips/alchemy/common/usb.c | 47 +-
arch/mips/alchemy/devboards/db1000.c | 19 +-
arch/mips/alchemy/devboards/db1200.c | 64 +-
arch/mips/alchemy/devboards/db1300.c | 10 +-
arch/mips/alchemy/devboards/db1550.c | 25 +-
arch/mips/alchemy/devboards/pm.c | 39 +-
arch/mips/include/asm/mach-au1x00/au1000.h | 2515 ++++++++++-------------
arch/mips/include/asm/mach-au1x00/au1000_dma.h | 51 +-
arch/mips/include/asm/mach-au1x00/gpio-au1000.h | 66 +-
arch/mips/pci/pci-alchemy.c | 88 +-
drivers/mmc/host/au1xmmc.c | 197 +-
drivers/mtd/nand/au1550nd.c | 52 +-
drivers/net/ethernet/amd/au1000_eth.c | 155 +-
drivers/net/irda/au1k_ir.c | 48 +-
drivers/rtc/rtc-au1xxx.c | 18 +-
drivers/spi/spi-au1550.c | 66 +-
drivers/video/fbdev/au1100fb.c | 39 +-
drivers/video/fbdev/au1100fb.h | 1 +
drivers/video/fbdev/au1200fb.c | 47 +-
sound/soc/au1x/psc-ac97.c | 140 +-
sound/soc/au1x/psc-i2s.c | 100 +-
sound/soc/au1x/psc.h | 22 +-
35 files changed, 3064 insertions(+), 2147 deletions(-)
create mode 100644 arch/mips/alchemy/common/clock.c
delete mode 100644 arch/mips/alchemy/common/clocks.c

--
2.0.0

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