From: Patrick Venture <venture@google.com>
To: cminyard@mvista.com, wuhaotsh@google.com, hskinnemoen@google.com,
f4bug@amsat.org
Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org,
Patrick Venture <venture@google.com>
Subject: [PATCH v3 0/4] hw/i2c: Adds pca954x i2c mux switch device
Date: Fri, 9 Apr 2021 13:14:39 -0700 [thread overview]
Message-ID: <20210409201443.111197-1-venture@google.com> (raw)
The i2c mux device pca954x implements two devices:
- the pca9546 and pca9548.
v3:
- fixup comment with missing end parenthesis.
- removed superfluous object cast.
v2:
- the core i2c bus now calls a match method on each i2c child, which
by default will only check for a match against itself.
- the pca954x device overrides the i2c device match method to search
the children for each of its buses that are active.
- the pca954x device now owns an i2c bus for each channel, allowing
the normal device model to attach devices to the channels.
Patrick Venture (4):
hw/i2c: name I2CNode list in I2CBus
hw/i2c: add match method for device search
hw/i2c: move search to i2c_scan_bus method
hw/i2c: add pca954x i2c-mux switch
MAINTAINERS | 6 +
hw/i2c/Kconfig | 4 +
hw/i2c/core.c | 55 ++++--
hw/i2c/i2c_mux_pca954x.c | 289 +++++++++++++++++++++++++++++++
hw/i2c/meson.build | 1 +
hw/i2c/trace-events | 5 +
include/hw/i2c/i2c.h | 16 +-
include/hw/i2c/i2c_mux_pca954x.h | 19 ++
8 files changed, 381 insertions(+), 14 deletions(-)
create mode 100644 hw/i2c/i2c_mux_pca954x.c
create mode 100644 include/hw/i2c/i2c_mux_pca954x.h
--
2.31.1.295.g9ea45b61b8-goog
next reply other threads:[~2021-04-09 20:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-09 20:14 Patrick Venture [this message]
2021-04-09 20:14 ` [PATCH v3 1/4] hw/i2c: name I2CNode list in I2CBus Patrick Venture
2021-04-09 20:14 ` [PATCH v3 2/4] hw/i2c: add match method for device search Patrick Venture
2021-04-09 20:14 ` [PATCH v3 3/4] hw/i2c: move search to i2c_scan_bus method Patrick Venture
2021-04-09 20:14 ` [PATCH v3 4/4] hw/i2c: add pca954x i2c-mux switch Patrick Venture
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