linux-toradex.git/drivers/mfd/stmpe.h, branch v5.0-rc6

mfd: Add STMPE1600 support

2016-08-10T08:25:18+00:00

STMPE1600 is a 16-bit port expander.
Datasheet is available here :
http://www2.st.com/content/st_com/en/products/interfaces-and-transceivers/
i-o-expanders-and-level-translators/i-o-expanders/stmpe1600.html

Signed-off-by: Amelie DELAUNAY 
Signed-off-by: Patrice Chotard 
Acked-by: Linus Walleij 
Signed-off-by: Lee Jones

mfd: stmpe: Rework registers access

2016-08-10T08:24:39+00:00

this update allows to use registers map as following :
regs[reg_index + offset] instead of
regs[reg_index] + offset

This makes code clearer and will facilitate the addition of STMPE1600
on which LSB and MSB registers are respectively located at addr and addr + 1.
Despite for all others STMPE variant, LSB and MSB registers are respectively
located in reverse order at addr + 1 and addr.

For variant which have 3 registers's bank, we use LSB,CSB and MSB indexes
which contains respectively LSB (or LOW), CSB (or MID) and MSB (or HIGH)
register addresses (STMPE1801/STMPE24xx).
For variant which have 2 registers's bank, we use LSB and CSB indexes only.
In this case the CSB index contains the MSB regs address (STMPE 1601).

Signed-off-by: Patrice Chotard 
Reviewed-by: Linus Walleij 
Signed-off-by: Lee Jones

mfd: stmpe: Use generic bit mask name

2016-08-10T08:24:29+00:00

In order to prepare the ground to STMPE1600,
as STMPE1600's SYS_CTRL register has the same layout as
STMPE801 variant, unify STMPExxx_REG_SYS_CTRL_RESET/INT_EN/INT_HI
bit masks to more generic STMPE_SYS_CTRL_RESET/INT_EN/INT_HI

Signed-off-by: Patrice Chotard 
Signed-off-by: Lee Jones

mfd: stmpe: Add reset support for all STMPE variant

2016-08-10T08:23:33+00:00

Reset was only implemented for STMPE1801 variant despite
all variant have a SOFT_RESET bit.

For STMPE2401/2403/801/1601/1801 SOFT_RESET bit is bit 7
of SYS_CTRL register.
For STMPE610/811 (which have the same variant id) SOFT_RESET
bit is bit 1 of SYS_CTRL register.

Signed-off-by: Patrice Chotard 
Acked-by: Linus Walleij 
Signed-off-by: Lee Jones

mfd: stmpe: Add STMPE_IDX_SYS_CTRL/2 enum

2016-08-10T08:23:25+00:00

As STMPE1801/1601/24xx has a SYS_CTRL register and
STMPE1601/2403 has even a SYS_CTRL2 register, add
STMPE_IDX_SYS_CTRL/2 and update driver code accordingly

This update prepares the ground for not yet supported STMPE1600
which share similar REG_SYS_CTRL register.

Signed-off-by: Patrice Chotard 
Acked-by: Linus Walleij 
Signed-off-by: Lee Jones

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

2014-12-31T00:59:59+00:00

Pull input layer fixes from Dmitry Torokhov:
 "Fixes for v7 protocol for ALPS devices and few other driver fixes.

  Also users can request input events to be stamped with boot time
  timestamps, in addition to real and monotonic timestamps"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: hil_kbd - fix incorrect use of init_completion
  Input: alps - v7: document the v7 touchpad packet protocol
  Input: alps - v7: fix finger counting for > 2 fingers on clickpads
  Input: alps - v7: sometimes a single touch is reported in mt[1]
  Input: alps - v7: ignore new packets
  Input: evdev - add CLOCK_BOOTTIME support
  Input: psmouse - expose drift duration for IBM trackpoints
  Input: stmpe - bias keypad columns properly
  Input: stmpe - enforce device tree only mode
  mfd: stmpe: add pull up/down register offsets for STMPE
  Input: optimize events_per_packet count calculation
  Input: edt-ft5x06 - fixed a macro coding style issue
  Input: gpio_keys - replace timer and workqueue with delayed workqueue
  Input: gpio_keys - allow separating gpio and irq in device tree

mfd: stmpe: add pull up/down register offsets for STMPE

2014-12-16T05:46:11+00:00

This adds the register offsets for pull up/down for the STMPE
1601, 1801 and 24xx expanders. This is used to bias GPIO lines
and keypad lines.

Signed-off-by: Linus Walleij 
Acked-by: Lee Jones 
Signed-off-by: Dmitry Torokhov

mfd: stmpe: Fix STMPE24xx GPMR LSB

2014-11-10T15:21:58+00:00

The least significat byte of the GPIO value read register
on the STMPE24xx series is on addres 0xA4 not 0xA5. Correct
against datasheet and tested on the STMPE2401 hardware.

Signed-off-by: Linus Walleij 
Signed-off-by: Lee Jones

mfd: stmpe: Rid data size incompatibility warn when building for 64bit

2014-07-09T15:37:55+00:00

Extinguishes:

../drivers/mfd/stmpe-i2c.c: In function ‘stmpe_i2c_probe’:
../drivers/mfd/stmpe-i2c.c:88:13:
	warning: cast from pointer to integer of different size
	partnum = (int)of_id->data;

Reviewed-by: Linus Walleij 
Signed-off-by: Lee Jones

mfd: stmpe: mask off unused blocks properly

2014-05-09T09:51:06+00:00

The STMPE driver would just read/modify/write the system control
register on the STMPE1601, meaning it would not properly mask off
the PWM block, which remained active if it was on at boot time.
This makes sure the blocks are always masked off if they were
active on boot, saving some power. Also rename the inconsistenty
named STMPE1601 define for the PWM block activation.

Signed-off-by: Linus Walleij