f4b97b36b7
GPO regulators are digital outputs that can be enabled or disabled by a
dedicated bit in mc13783 POWERMISC register.
In this family can be count in also Power Gates (PWGT1 and 2): enabled by
a dedicated pin a Power Gate is an hardware driven supply where the output
(PWGTnDRV) follow this law:
Bit PWGTxSPIEN | Pin PWGTxEN | PWGTxDRV | Read Back
0 = default | | | PWGTxSPIEN
---------------+-------------+----------+------------
1 | x | Low | 0
0 | 0 | High | 1
0 | 1 | Low | 0
As read back value of control bit reflects the PWGTxDRV state (not the
control value previously written) and mc13783 POWERMISC register contain
only regulator related bits, a dedicated function to manage these bits is
created here with the aim of tracing the real value of PWGTxSPIEN bits
and reproduce it on next writes.
All POWERMISC users _must_ use the new function to not accidentally
disable Power Gates supplies.
v2 changes:
-Better utilization of abstraction layers.
-Voltage query support. GPO's and PWGTxDRV are fixed voltage regulator
with voltage value of 3.1V and 5.5V respectively.
Signed-off-by: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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| .. | ||
| pcf50633 | ||
| wm831x | ||
| wm8350 | ||
| 88pm8607.h | ||
| ab3100.h | ||
| ab4500.h | ||
| adp5520.h | ||
| asic3.h | ||
| core.h | ||
| da903x.h | ||
| ds1wm.h | ||
| ezx-pcap.h | ||
| htc-egpio.h | ||
| htc-pasic3.h | ||
| mc13783-private.h | ||
| mc13783.h | ||
| mcp.h | ||
| sh_mobile_sdhi.h | ||
| t7l66xb.h | ||
| tc6387xb.h | ||
| tc6393xb.h | ||
| tmio.h | ||
| twl4030-codec.h | ||
| ucb1x00.h | ||
| wm8400-audio.h | ||
| wm8400-private.h | ||
| wm8400.h | ||