From: Charulatha V <[email protected]>
This patch series makes OMAP2PLUS specific GPIO implemented in HWMOD
FW way. This is done by implementing GPIO module in platform device model.
This patch series is generated on "origin/pm-wip/hwmods-omap4".
This patch series is created on top of the following two patches:
- OMAP: GPIO: fix auto-disable of debounce clock
https://patchwork.kernel.org/patch/103831/
- omap: Stalker board: switch over to gpio_set_debounce
https://patchwork.kernel.org/patch/103017/
This patch series is tested on OMAP4430 SDP board and OMAP3430 SDP board.
It would be of great help if someone could test the same on OMAP1
and OMAP2 boards.
Version History:
---------------
Comments Fixed in v3:
- .module_offs populated in hwmod structures
- If not defined CONFIG_PM_RUNTIME is not handled in GPIO driver
- No changes to mach-omap2/clockxxxx-data.c to handle clocks by dev ptr
as it is taken care using clock get by name in hwmod & omap_device layer
- Using "ick" instead of "arm_gpio_ck" for OMAP15xx clock
- SoC base addresses moved to plat-omap/omapXXXX.h that should be
used only by the omap_hwmod_xxxx_data.c file
- OMAP2/3 hwmod structures naming convention changed as it is
followed in OMAP4
- omap24xx_gpio_init() uses cpu_is_omap24xx() instead of separate
checks for 2420 & 2430 in OMAP2 specific init call (mach-omap layer)
- Reason for using postcore_initcall is added to patch description for
the patch "OMAP: GPIO: Introduce support for OMAP2PLUS chip GPIO init"
- Comments added for usage of dbck_flag and other elements
in dev_attr structure
- Uses dev_dbg() and dev_err() instead of pr_dbg() and pr_err()
- Corrects the gpio clock details in OMAP4 hwmod database
v2 series:
Some important links to patch v2 series and comments:
http://www.mail-archive.com/[email protected]/msg30262.html
http://www.mail-archive.com/[email protected]/msg28787.html
http://www.mail-archive.com/[email protected]/msg30263.html
http://www.mail-archive.com/[email protected]/msg30295.html
http://www.mail-archive.com/[email protected]/msg30259.html
http://www.mail-archive.com/[email protected]/msg28933.html
Comments Fixed in V2:
- GPIO dev attr was added for SoC specific chip info (eg., gpio bank count)
- Removed omap_gpio_init() usage from board files
- platform_get_resource() used instead of pdata->base for
OMAP2+ base addresses
- postcore_initcall used for gpio init instead of making
GPIO as an early platform device. SoC specific gpio_init
needs to be done before machine_init functions access gpio
APIs. Hence making SoC specific gpio_init as postcore_initcall.
- getting gpio dbck is moved to omap_set_gpio_debounce()
instead of doing it in probe
v1 series:
Some important links to patch v1 series and comments:
http://www.mail-archive.com/[email protected]/msg26934.html
http://www.mail-archive.com/[email protected]/msg27860.html
http://www.mail-archive.com/[email protected]/msg28183.html
Highlights in v1:
- Introduces SoC specific functions at mach-omap layer
- Implements GPIO as a platform device
- Make gpio an early device and make it implemented in
HWMOD FW adapted way for OMAP2PLUS
Charulatha V (13):
OMAP: GPIO: Modify init() in preparation for platform device
implementation
OMAP: GPIO: Populate GPIO base address in omapxxxx.h
OMAP: GPIO: Include platform_data structure for GPIO
OMAP: GPIO: Introduce support for OMAP15xx chip GPIO init
OMAP: GPIO: Introduce support for OMAP16xx chip GPIO init
OMAP: GPIO: Introduce support for OMAP7xx chip GPIO init
OMAP: GPIO: add GPIO hwmods structures for OMAP3
OMAP: GPIO: add GPIO hwmods structures for OMAP242X
OMAP: GPIO: add GPIO hwmods structures for OMAP243X
OMAP: GPIO: Add gpio dev_attr and correct clks in OMAP4 hwmod struct
OMAP: GPIO: Introduce support for OMAP2PLUS chip GPIO init
OMAP: GPIO: Implement GPIO as a platform device
OMAP: GPIO: Remove omap_gpio_init()
arch/arm/mach-omap1/Makefile | 6 +
arch/arm/mach-omap1/board-ams-delta.c | 1 -
arch/arm/mach-omap1/board-fsample.c | 1 -
arch/arm/mach-omap1/board-h2.c | 1 -
arch/arm/mach-omap1/board-h3.c | 1 -
arch/arm/mach-omap1/board-htcherald.c | 1 -
arch/arm/mach-omap1/board-innovator.c | 1 -
arch/arm/mach-omap1/board-nokia770.c | 1 -
arch/arm/mach-omap1/board-osk.c | 1 -
arch/arm/mach-omap1/board-palmte.c | 1 -
arch/arm/mach-omap1/board-palmz71.c | 1 -
arch/arm/mach-omap1/board-perseus2.c | 1 -
arch/arm/mach-omap1/board-sx1.c | 1 -
arch/arm/mach-omap1/board-voiceblue.c | 1 -
arch/arm/mach-omap1/clock_data.c | 4 +-
arch/arm/mach-omap1/gpio15xx.c | 102 +++++
arch/arm/mach-omap1/gpio16xx.c | 208 ++++++++++
arch/arm/mach-omap1/gpio7xx.c | 274 ++++++++++++
arch/arm/mach-omap2/Makefile | 2 +-
arch/arm/mach-omap2/board-2430sdp.c | 1 -
arch/arm/mach-omap2/board-3430sdp.c | 1 -
arch/arm/mach-omap2/board-3630sdp.c | 1 -
arch/arm/mach-omap2/board-4430sdp.c | 1 -
arch/arm/mach-omap2/board-am3517evm.c | 1 -
arch/arm/mach-omap2/board-apollon.c | 1 -
arch/arm/mach-omap2/board-cm-t35.c | 1 -
arch/arm/mach-omap2/board-devkit8000.c | 1 -
arch/arm/mach-omap2/board-h4.c | 1 -
arch/arm/mach-omap2/board-igep0020.c | 1 -
arch/arm/mach-omap2/board-ldp.c | 1 -
arch/arm/mach-omap2/board-n8x0.c | 1 -
arch/arm/mach-omap2/board-omap3beagle.c | 1 -
arch/arm/mach-omap2/board-omap3evm.c | 1 -
arch/arm/mach-omap2/board-omap3pandora.c | 1 -
arch/arm/mach-omap2/board-omap3stalker.c | 1 -
arch/arm/mach-omap2/board-omap3touchbook.c | 1 -
arch/arm/mach-omap2/board-overo.c | 1 -
arch/arm/mach-omap2/board-rx51.c | 1 -
arch/arm/mach-omap2/board-zoom2.c | 1 -
arch/arm/mach-omap2/board-zoom3.c | 1 -
arch/arm/mach-omap2/gpio.c | 104 +++++
arch/arm/mach-omap2/omap_hwmod_2420_data.c | 228 ++++++++++
arch/arm/mach-omap2/omap_hwmod_2430_data.c | 279 +++++++++++++
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 366 ++++++++++++++++
arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 37 ++-
arch/arm/plat-omap/gpio.c | 620 ++++++++++------------------
arch/arm/plat-omap/include/plat/gpio.h | 22 +-
arch/arm/plat-omap/include/plat/omap24xx.h | 12 +
arch/arm/plat-omap/include/plat/omap34xx.h | 8 +
arch/arm/plat-omap/include/plat/omap44xx.h | 8 +
50 files changed, 1852 insertions(+), 462 deletions(-)
create mode 100644 arch/arm/mach-omap1/gpio15xx.c
create mode 100644 arch/arm/mach-omap1/gpio16xx.c
create mode 100644 arch/arm/mach-omap1/gpio7xx.c
create mode 100644 arch/arm/mach-omap2/gpio.c
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