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Hao Wu 1e943c586a hw/misc: Add a PWM module for NPCM7XX 
The PWM module is part of NPCM7XX module. Each NPCM7XX module has two
identical PWM modules. Each module contains 4 PWM entries. Each PWM has
two outputs: frequency and duty_cycle. Both are computed using inputs
from software side.

This module does not model detail pulse signals since it is expensive.
It also does not model interrupts and watchdogs that are dependant on
the detail models. The interfaces for these are left in the module so
that anyone in need for these functionalities can implement on their
own.

The user can read the duty cycle and frequency using qom-get command.

Reviewed-by: Havard Skinnemoen <hskinnemoen@google.com>
Reviewed-by: Tyrone Ting <kfting@nuvoton.com>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20210108190945.949196-5-wuhaotsh@google.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-01-12 21:19:02 +00:00
..
_templates docs: add "page source" link to sphinx documentation 2020-11-10 08:51:30 +01:00
arm hw/misc: Add a PWM module for NPCM7XX 2021-01-12 21:19:02 +00:00
i386 docs: Move microvm.rst into the system manual 2020-11-23 11:10:04 +00:00
s390x docs/system/s390x: Add a chapter about s390x boot devices 2020-08-27 12:37:03 +02:00
build-platforms.rst docs/system: Fix grammar in documentation 2020-09-01 12:09:30 +02:00
conf.py docs: Generate qemu.1 manpage with Sphinx 2020-03-06 11:06:55 +00:00
cpu-hotplug.rst docs: Move cpu-hotplug.rst into the system manual 2020-11-23 11:07:41 +00:00
cpu-models-mips.rst.inc docs/system: Update MIPS CPU documentation 2020-10-17 13:59:40 +02:00
cpu-models-x86.rst.inc qemu-cpu-models.rst: Document -noTSX, mds-no, taa-no, and tsx-ctrl 2020-03-16 23:02:25 +01:00
deprecated.rst Remove the deprecated -show-cursor option 2020-12-15 12:52:03 -05:00
device-url-syntax.rst.inc manual: escape backslashes in "parsed-literal" blocks 2020-09-16 10:52:34 +02:00
gdb.rst docs: Get rid of the weird _005f links in the man page 2020-11-20 13:19:08 +01:00
images.rst docs: Get rid of the weird _005f links in the man page 2020-11-20 13:19:08 +01:00
index.rst docs/system: Move the list of removed features to a separate file 2020-12-15 12:52:02 -05:00
invocation.rst docs: Split out sections for the manpage into .rst.inc files 2020-03-06 11:06:55 +00:00
ivshmem.rst docs/system: convert Texinfo documentation to rST 2020-03-06 10:05:12 +00:00
keys.rst docs: Split out sections for the manpage into .rst.inc files 2020-03-06 11:06:55 +00:00
keys.rst.inc docs: Split out sections for the manpage into .rst.inc files 2020-03-06 11:06:55 +00:00
license.rst docs/system: convert Texinfo documentation to rST 2020-03-06 10:05:12 +00:00
linuxboot.rst docs/system: convert Texinfo documentation to rST 2020-03-06 10:05:12 +00:00
managed-startup.rst docs/system: convert managed startup to rST. 2020-03-06 10:05:12 +00:00
monitor.rst docs: Get rid of the weird _005f links in the man page 2020-11-20 13:19:08 +01:00
mux-chardev.rst docs: Get rid of the weird _005f links in the man page 2020-11-20 13:19:08 +01:00
mux-chardev.rst.inc docs: Split out sections for the manpage into .rst.inc files 2020-03-06 11:06:55 +00:00
net.rst docs/system: convert Texinfo documentation to rST 2020-03-06 10:05:12 +00:00
pr-manager.rst docs/system/pr-manager.rst: Fix minor docs nits 2020-11-23 11:10:04 +00:00
qemu-block-drivers.rst
qemu-block-drivers.rst.inc block: introduce preallocate filter 2020-12-18 12:35:55 +01:00
qemu-cpu-models.rst
qemu-manpage.rst docs: Generate qemu.1 manpage with Sphinx 2020-03-06 11:06:55 +00:00
quickstart.rst docs/system: convert Texinfo documentation to rST 2020-03-06 10:05:12 +00:00
removed-features.rst Remove the deprecated -show-cursor option 2020-12-15 12:52:03 -05:00
security.rst
target-arm.rst docs/system: arm: Add sabrelite board description 2021-01-08 15:13:39 +00:00
target-avr.rst docs/: fix some comment spelling errors 2020-09-17 20:37:13 +02:00
target-i386-desc.rst.inc pcspk: update docs/system/target-i386-desc.rst.inc 2020-07-06 17:01:11 +02:00
target-i386.rst docs: Move microvm.rst into the system manual 2020-11-23 11:10:04 +00:00
target-m68k.rst docs: Roll semihosting option information into qemu-options.hx 2020-03-06 10:05:12 +00:00
target-mips.rst docs/system: Update MIPS machine documentation 2021-01-04 23:36:03 +01:00
target-ppc.rst docs: Roll -prom-env and -g target-specific info into qemu-options.hx 2020-03-06 10:05:18 +00:00
target-rx.rst docs: Document the RX target 2020-06-22 18:37:12 +02:00
target-s390x.rst docs/system/s390x: Add a chapter about s390x boot devices 2020-08-27 12:37:03 +02:00
target-sparc64.rst docs: Roll -prom-env and -g target-specific info into qemu-options.hx 2020-03-06 10:05:18 +00:00
target-sparc.rst docs: Roll -prom-env and -g target-specific info into qemu-options.hx 2020-03-06 10:05:18 +00:00
target-xtensa.rst docs: Roll semihosting option information into qemu-options.hx 2020-03-06 10:05:12 +00:00
targets.rst target/avr: Add section into QEMU documentation 2020-07-11 11:02:05 +02:00
tls.rst docs/system: convert Texinfo documentation to rST 2020-03-06 10:05:12 +00:00
usb.rst docs: Get rid of the weird _005f links in the man page 2020-11-20 13:19:08 +01:00
virtio-net-failover.rst docs: Move virtio-net-failover.rst into the system manual 2020-11-23 11:07:41 +00:00
virtio-pmem.rst docs/system/virtio-pmem.rst: Fix minor style issues 2020-11-23 11:07:41 +00:00
vnc-security.rst docs: Get rid of the weird _005f links in the man page 2020-11-20 13:19:08 +01:00