Hi all,
Here's an initial version of the new mux code to play with.
Big thanks to Paul & Benoit for the 34xx mux data!
To try out the new code, compile a kernel with CONFIG_OMAP_MUX
and CONFIG_DEBUG_FS and these patches. The series is also
availabe in the l-o git in mux branch.
To see the mux configuration on your board:
# mount -t debugfs debugfs /sys/kernel/debug
# cat /sys/kernel/debug/omap_mux | less
OMAP3_MUX(CAM_D0, OMAP_PIN_INPUT | OMAP_PIN_OFF_NONE | OMAP_PIN_OFF_WAKEUPENABLE
| OMAP_MUX_MODE4, 0),
padconf: cam_d0 signal: gpio_99: offset: 0x0e6 value: 0x4104
m0: cam_d0 m1: m2: m3:
m4: gpio_99 m5: m6: m7: safe_mode
phys: 0x48002116 ball bottom: ag17 ball top:
OMAP3_MUX(CAM_D10, OMAP_PIN_OUTPUT | OMAP_PIN_OFF_NONE | OMAP_MUX_MODE7, 0),
padconf: cam_d10 signal: safe_mode: offset: 0x0fa value: 0x0007
m0: cam_d10 m1: m2: m3:
m4: gpio_109 m5: m6: m7: safe_mode
phys: 0x4800212a ball bottom: b25 ball top:
...
Then to produce a list of board mux entries from a working
system, do:
# cat /sys/kernel/debug/omap_mux | grep OMAP3_MUX
OMAP3_MUX(CAM_D0, OMAP_PIN_INPUT | OMAP_PIN_OFF_NONE | OMAP_PIN_OFF_WAKEUPENABLE
| OMAP_MUX_MODE4, 0),
OMAP3_MUX(CAM_D10, OMAP_PIN_OUTPUT | OMAP_PIN_OFF_NONE | OMAP_MUX_MODE7, 0),
OMAP3_MUX(CAM_D11, OMAP_PIN_INPUT | OMAP_PIN_OFF_NONE | OMAP_PIN_OFF_WAKEUPENABL
E | OMAP_MUX_MODE4, 0),
OMAP3_MUX(CAM_D1, OMAP_PIN_INPUT | OMAP_PIN_INPUT_PULLUP | OMAP_PIN_OFF_NONE | O
MAP_PIN_OFF_WAKEUPENABLE | OMAP_MUX_MODE4, 0),
...
Currenly no write support to tweak the pins via debugfs,
but I'll add that soon with command line support too.
I have not really verified the data yet, but it mostly looks
right. Adding support for 3630 and omap4 should be easy
after generating the data. It's currently implemented only
for 34xx.
I guess the next step would be to convert all omap3 calls
to omap_cfg_reg() to use omap_mux_set() instead with the
new data and make sure things work. Then we can remove the
old data for 34xx.
Comments welcome as always.
Regards,
Tony
---
Mike Rapoport (1):
omap2: mux: intoduce omap_mux_{read,write}
Tony Lindgren (4):
omap: mux: Add debugfs support for new mux code
omap: mux: Add new style init functions to omap3 board-*.c files
omap: mux: Add new style pin multiplexing data for 34xx
omap: mux: Add new style pin multiplexing code for omap3
arch/arm/mach-omap2/Makefile | 4
arch/arm/mach-omap2/board-3430sdp.c | 9
arch/arm/mach-omap2/board-cm-t35.c | 9
arch/arm/mach-omap2/board-ldp.c | 9
arch/arm/mach-omap2/board-omap3beagle.c | 9
arch/arm/mach-omap2/board-omap3evm.c | 9
arch/arm/mach-omap2/board-omap3pandora.c | 9
arch/arm/mach-omap2/board-overo.c | 8
arch/arm/mach-omap2/board-rx51.c | 10
arch/arm/mach-omap2/board-zoom2.c | 8
arch/arm/mach-omap2/mux.c | 424 ++++++++
arch/arm/mach-omap2/mux.h | 127 ++
arch/arm/mach-omap2/mux34xx.c | 1552 ++++++++++++++++++++++++++++++
arch/arm/mach-omap2/mux34xx.h | 352 +++++++
14 files changed, 2533 insertions(+), 6 deletions(-)
create mode 100644 arch/arm/mach-omap2/mux.h
create mode 100644 arch/arm/mach-omap2/mux34xx.c
create mode 100644 arch/arm/mach-omap2/mux34xx.h
--
Signature
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
