Allow bindings for a GPIO controlled mux to be specified in the
mux consumer node.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/mux/mux-controller.txt | 26 ++
1 file changed, 26 insertions(+)
diff --git a/Documentation/devicetree
Analog Devices ADG792A/G is a triple 4:1 mux.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
drivers/mux/Kconfig | 12
drivers/mux/Makefile | 1 +
drivers/mux/mux-adg792a.c | 167 ++
3 files changed, 180 insertions
This is a generic simple i2c mux that uses the generic multiplexer
subsystem to do the muxing.
The user can select if the mux is to be mux-locked and parent-locked
as described in Documentation/i2c/i2c-topology.
Acked-by: Jonathan Cameron
Acked-by: Wolfram Sang
Signed-off-by: Peter Rosin
Allow bindings for a GPIO controlled mux to be specified in the
mux consumer node.
Signed-off-by: Peter Rosin
---
drivers/mux/Kconfig| 5 +
drivers/mux/mux-core.c | 23 +--
drivers/mux/mux-gpio.c | 28 +---
drivers/mux/mux-gpio.h | 13
Analog Devices ADG792A/G is a triple 4:1 mux.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/mux/mux-adg792a.txt| 79 ++
1 file changed, 79 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mux/mux-adg792a.txt
Describe how a multiplexer can be used to select which signal is fed to
an io-channel.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
.../bindings/iio/multiplexer/io-channel-mux.txt| 39 ++
MAINTAINERS| 6
2 files
comes with a single backend
driver that controls gpio based multiplexers. Even though not needed by
this initial driver, the mux controller subsystem is prepared to handle
chips with multiple (independent) mux controllers.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
Documentation
Everything else is indented with two spaces, so fix the odd one out.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
Documentation/driver-model/devres.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/driver-model/devres.txt
b/Documentation/driver
tion pretty quickly if there is
any contention.
Also, the "mux" name feels a bit ambitious, there are many muxes
in the world, and this tiny bit of code is probably not good
enough to be a nice fit for all...
Cheers,
peda
Peter Rosin (12):
devres: trivial whitespace fix
dt-bindings: doc
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/mux/mux-controller.txt | 127 +
Documentation/devicetree/bindings/mux/mux-gpio.txt | 68 +++
MAINTAINERS| 5 +
3 files changed, 200 insertions(+)
create mode 100644
, creating a private
copy of the ext_info attributes for each multiplexer state/channel.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
MAINTAINERS | 1 +
drivers/iio/Kconfig | 1 +
drivers/iio/Makefile | 1 +
drivers/iio
Describe how a generic multiplexer controller is used to mux an i2c bus.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/i2c/i2c-mux-simple.txt | 81 ++
1 file changed, 81 insertions(+)
create mode 100644 Documentation/devicetree
Extend the inkern api with functions for reading and writing ext_info
of iio channels.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
drivers/iio/inkern.c | 60
include/linux/iio/consumer.h | 37 +++
2
On 2017-01-22 14:30, Jonathan Cameron wrote:
> On 18/01/17 15:57, Peter Rosin wrote:
>> Allow bindings for a GPIO controlled mux to be specified in the
>> mux consumer node.
>>
>> Signed-off-by: Peter Rosin
> Code is good as far as I am concerned. Only question is
On 2017-01-27 18:49, Rob Herring wrote:
> On Wed, Jan 18, 2017 at 04:57:05PM +0100, Peter Rosin wrote:
>> Allow specifying that a single multiplexer controller can be used to control
>> several parallel multiplexers, thus enabling sharing of the multiplexer
>> controller b
On 2017-01-27 20:50, Rob Herring wrote:
> On Wed, Jan 18, 2017 at 04:57:12PM +0100, Peter Rosin wrote:
>> Analog Devices ADG792A/G is a triple 4:1 mux.
>>
>> Acked-by: Jonathan Cameron
>> Signed-off-by: Peter Rosin
>> ---
>> .../devicetree/b
On 2017-01-27 20:39, Rob Herring wrote:
> On Wed, Jan 18, 2017 at 04:57:10PM +0100, Peter Rosin wrote:
>> Describe how a generic multiplexer controller is used to mux an i2c bus.
>>
>> Acked-by: Jonathan Cameron
>> Signed-off-by: Peter Rosin
>> ---
>&g
On 2017-01-27 16:52, Rob Herring wrote:
> On Mon, Jan 23, 2017 at 11:24:18AM +0100, Peter Rosin wrote:
>> On 2017-01-22 14:30, Jonathan Cameron wrote:
>>> On 18/01/17 15:57, Peter Rosin wrote:
>>>> Allow bindings for a GPIO controlled mux to be specified
On 2017-01-30 18:20, Rob Herring wrote:
> On Sat, Jan 28, 2017 at 4:42 PM, Peter Rosin wrote:
>> On 2017-01-27 20:39, Rob Herring wrote:
>>> On Wed, Jan 18, 2017 at 04:57:10PM +0100, Peter Rosin wrote:
>>>> Describe how a generic multiplexer controller is used to m
On 2017-02-02 17:08, Rob Herring wrote:
> On Tue, Jan 31, 2017 at 1:36 AM, Peter Rosin wrote:
>> If you see this new driver as something that is superseding the existing
>> i2c-mux-gpio driver, I'm sad to inform you that the code is not simply
>> not there. i2c-mux-gpio
The rename did the wrong thing for this documentation file all those
years ago. Fix that as well as the neglected rename of the platform
data structure.
Fixes: e7065e20d9a6 ("i2c: Rename last mux driver to standard pattern")
Signed-off-by: Peter Rosin
---
Documentation/i2c/muxes/i2
ncurrent access as long as all users
agree on the mux state, but I suspect that the rwsem will
degrade to the mutex situation pretty quickly if there is
any contention.
Also, the "mux" name feels a bit ambitious, there are many muxes
in the world, and this tiny bit of code is probably n
Everything else is indented with two spaces, so fix the odd one out.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
Documentation/driver-model/devres.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/driver-model/devres.txt
b/Documentation/driver
comes with a single backend
driver that controls gpio based multiplexers. Even though not needed by
this initial driver, the mux controller subsystem is prepared to handle
chips with multiple (independent) mux controllers.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
Documentation
Acked-by: Rob Herring
Signed-off-by: Peter Rosin
---
Documentation/devicetree/bindings/mux/gpio-mux.txt | 69 +
.../devicetree/bindings/mux/mux-controller.txt | 157 +
MAINTAINERS| 6 +
include/dt-bindings/mux/mux.h
, creating a private
copy of the ext_info attributes for each multiplexer state/channel.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
MAINTAINERS | 1 +
drivers/iio/Kconfig | 1 +
drivers/iio/Makefile | 1 +
drivers/iio
-by: Peter Rosin
---
drivers/i2c/muxes/Kconfig | 13 +++
drivers/i2c/muxes/Makefile| 1 +
drivers/i2c/muxes/i2c-mux-gpmux.c | 173 ++
3 files changed, 187 insertions(+)
create mode 100644 drivers/i2c/muxes/i2c-mux-gpmux.c
diff --git a/drivers
Describe how a multiplexer can be used to select which signal is fed to
an io-channel.
Acked-by: Jonathan Cameron
Acked-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../bindings/iio/multiplexer/io-channel-mux.txt| 39 ++
MAINTAINERS
Describe how a general purpose multiplexer controller is used to mux an
i2c bus.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/i2c/i2c-mux-gpmux.txt | 99 ++
1 file changed, 99 insertions(+)
create mode 100644 Documentation
Analog Devices ADG792A/G is a triple 4:1 mux.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
drivers/mux/Kconfig | 12
drivers/mux/Makefile | 1 +
drivers/mux/mux-adg792a.c | 140 ++
3 files changed, 153 insertions
Extend the inkern api with functions for reading and writing ext_info
of iio channels.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
drivers/iio/inkern.c | 60
include/linux/iio/consumer.h | 37 +++
2
Analog Devices ADG792A/G is a triple 4:1 mux.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/mux/adi,adg792a.txt| 75 ++
1 file changed, 75 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mux/adi,adg792a.txt
Hi!
The status of this series [1] is that Rob Herring has acked/reviewed all
devicetree changes, so I suppose that's ok. Jonathan Cameron has acked
the additions to the iio subsystem and reviewed the new iio driver.
Wolfram Sang has acked the i2c-mux driver. That's acks or reviews from
the maintai
On 2017-02-28 18:18, Greg Kroah-Hartman wrote:
> On Tue, Feb 28, 2017 at 04:17:52PM +0100, Peter Rosin wrote:
>> Hi!
>>
>> The status of this series [1] is that Rob Herring has acked/reviewed all
>> devicetree changes, so I suppose that's ok. Jonathan Cameron has a
On 2017-03-03 17:52, Wolfram Sang wrote:
>
>> Jonathan, Wolfram, do you have any preferences on how this should be
>> coordinated regarding the new iio and i2c drivers (and iio changes)?
>
> You got the acks, all is fine, I think.
>
>> My plan is to at some point declare the branch immutable. Th
Acked-by: Rob Herring
Signed-off-by: Peter Rosin
---
Documentation/devicetree/bindings/mux/gpio-mux.txt | 69 +
.../devicetree/bindings/mux/mux-controller.txt | 157 +
MAINTAINERS| 6 +
include/dt-bindings/mux/mux.h
Everything else is indented with two spaces, so fix the odd one out.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
Documentation/driver-model/devres.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/driver-model/devres.txt
b/Documentation/driver
bitious, there are many muxes
in the world, and this tiny bit of code is probably not good
enough to be a nice fit for all...
Cheers,
peda
Peter Rosin (11):
devres: trivial whitespace fix
dt-bindings: document devicetree bindings for mux-controllers and
gpio-mux
mux: minimal mux subsystem
, CID#1415278 ("Unsigned compared against 0")
Reported-by: Colin Ian King
Signed-off-by: Peter Rosin
---
drivers/iio/multiplexer/iio-mux.c | 5 -
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/multiplexer/iio-mux.c
b/drivers/iio/multiplexer/iio-m
, creating a private
copy of the ext_info attributes for each multiplexer state/channel.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
MAINTAINERS | 1 +
drivers/iio/Kconfig | 1 +
drivers/iio/Makefile | 1 +
drivers/iio
-by: Peter Rosin
---
drivers/i2c/muxes/Kconfig | 13 +++
drivers/i2c/muxes/Makefile| 1 +
drivers/i2c/muxes/i2c-mux-gpmux.c | 173 ++
3 files changed, 187 insertions(+)
create mode 100644 drivers/i2c/muxes/i2c-mux-gpmux.c
diff --git a/drivers
Extend the inkern api with functions for reading and writing ext_info
of iio channels.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
drivers/iio/inkern.c | 60
include/linux/iio/consumer.h | 37 +++
2
Describe how a general purpose multiplexer controller is used to mux an
i2c bus.
Acked-by: Jonathan Cameron
Reviewed-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/i2c/i2c-mux-gpmux.txt | 99 ++
1 file changed, 99 insertions(+)
create mode
Analog Devices ADG792A/G is a triple 4:1 mux.
Acked-by: Jonathan Cameron
Reviewed-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/mux/adi,adg792a.txt| 75 ++
1 file changed, 75 insertions(+)
create mode 100644 Documentation/devicetree
Analog Devices ADG792A/G is a triple 4:1 mux.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
drivers/mux/Kconfig | 12
drivers/mux/Makefile | 1 +
drivers/mux/mux-adg792a.c | 140 ++
3 files changed, 153 insertions
Describe how a multiplexer can be used to select which signal is fed to
an io-channel.
Acked-by: Jonathan Cameron
Acked-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../bindings/iio/multiplexer/io-channel-mux.txt| 39 ++
MAINTAINERS
comes with a single backend
driver that controls gpio based multiplexers. Even though not needed by
this initial driver, the mux controller subsystem is prepared to handle
chips with multiple (independent) mux controllers.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
Documentation
On 2017-03-10 12:09, Peter Rosin wrote:
> Add a new minimalistic subsystem that handles multiplexer controllers.
> When multiplexers are used in various places in the kernel, and the
> same multiplexer controller can be used for several independent things,
> there should be one place
ll. At least
the rwsem allows concurrent access as long as all users
agree on the mux state, but I suspect that the rwsem will
degrade to the mutex situation pretty quickly if there is
any contention.
Also, the "mux" name feels a bit ambitious, there are many muxes
in the world, and this tiny b
Everything else is indented with two spaces, so fix the odd one out.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
Documentation/driver-model/devres.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/driver-model/devres.txt
b/Documentation/driver
Describe how a general purpose multiplexer controller is used to mux an
i2c bus.
Acked-by: Jonathan Cameron
Reviewed-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/i2c/i2c-mux-gpmux.txt | 99 ++
1 file changed, 99 insertions(+)
create mode
comes with a single backend
driver that controls gpio based multiplexers. Even though not needed by
this initial driver, the mux controller subsystem is prepared to handle
chips with multiple (independent) mux controllers.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
Documentation
, creating a private
copy of the ext_info attributes for each multiplexer state/channel.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
MAINTAINERS | 1 +
drivers/iio/Kconfig | 1 +
drivers/iio/Makefile | 1 +
drivers/iio
Analog Devices ADG792A/G is a triple 4:1 mux.
Acked-by: Jonathan Cameron
Reviewed-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/mux/adi,adg792a.txt| 75 ++
1 file changed, 75 insertions(+)
create mode 100644 Documentation/devicetree
Describe how a multiplexer can be used to select which signal is fed to
an io-channel.
Acked-by: Jonathan Cameron
Acked-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../bindings/iio/multiplexer/io-channel-mux.txt| 39 ++
MAINTAINERS
Acked-by: Rob Herring
Signed-off-by: Peter Rosin
---
Documentation/devicetree/bindings/mux/gpio-mux.txt | 69 +
.../devicetree/bindings/mux/mux-controller.txt | 157 +
MAINTAINERS| 6 +
include/dt-bindings/mux/mux.h
, CID#1415278 ("Unsigned compared against 0")
Fixes: 1da8e16d2812 ("iio: multiplexer: new iio category and iio-mux driver")
Reported-by: Colin Ian King
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
drivers/iio/multiplexer/iio-mux.c | 5 -
1 file changed
Analog Devices ADG792A/G is a triple 4:1 mux.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
drivers/mux/Kconfig | 12
drivers/mux/Makefile | 1 +
drivers/mux/mux-adg792a.c | 140 ++
3 files changed, 153 insertions
ng to documentation.
Fixes: d47598cc669b ("mux: minimal mux subsystem and gpio-based mux controller")
Reported-by: Dan Carpenter
Signed-off-by: Peter Rosin
---
drivers/mux/mux-core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/mux/mux-core.c b/drivers/mux/m
Extend the inkern api with functions for reading and writing ext_info
of iio channels.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
drivers/iio/inkern.c | 60
include/linux/iio/consumer.h | 37 +++
2
-by: Peter Rosin
---
drivers/i2c/muxes/Kconfig | 13 +++
drivers/i2c/muxes/Makefile| 1 +
drivers/i2c/muxes/i2c-mux-gpmux.c | 173 ++
3 files changed, 187 insertions(+)
create mode 100644 drivers/i2c/muxes/i2c-mux-gpmux.c
diff --git a/drivers
On 2017-03-27 15:06, Johan Hovold wrote:
> On Mon, Mar 27, 2017 at 02:17:48PM +0200, Peter Rosin wrote:
>> Comparing a size_t with less than zero is always false as size_t
>> is unsigned. So, change the type of the variable to ssize_t and
>> replicate the size check from
re many muxes
in the world, and this tiny bit of code is probably not good
enough to be a nice fit for all...
Cheers,
peda
Peter Rosin (10):
devres: trivial whitespace fix
dt-bindings: document devicetree bindings for mux-controllers and
gpio-mux
mux: minimal mux subsystem and gpio-based mux
Analog Devices ADG792A/G is a triple 4:1 mux.
Acked-by: Jonathan Cameron
Reviewed-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/mux/adi,adg792a.txt| 75 ++
1 file changed, 75 insertions(+)
create mode 100644 Documentation/devicetree
-by: Peter Rosin
---
drivers/i2c/muxes/Kconfig | 13 +++
drivers/i2c/muxes/Makefile| 1 +
drivers/i2c/muxes/i2c-mux-gpmux.c | 173 ++
3 files changed, 187 insertions(+)
create mode 100644 drivers/i2c/muxes/i2c-mux-gpmux.c
diff --git a/drivers
Describe how a general purpose multiplexer controller is used to mux an
i2c bus.
Acked-by: Jonathan Cameron
Reviewed-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/i2c/i2c-mux-gpmux.txt | 99 ++
1 file changed, 99 insertions(+)
create mode
Describe how a multiplexer can be used to select which signal is fed to
an io-channel.
Acked-by: Jonathan Cameron
Acked-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../bindings/iio/multiplexer/io-channel-mux.txt| 39 ++
MAINTAINERS
Analog Devices ADG792A/G is a triple 4:1 mux.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
drivers/mux/Kconfig | 12
drivers/mux/Makefile | 1 +
drivers/mux/mux-adg792a.c | 140 ++
3 files changed, 153 insertions
Extend the inkern api with functions for reading and writing ext_info
of iio channels.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
drivers/iio/inkern.c | 60
include/linux/iio/consumer.h | 37 +++
2
comes with a single backend
driver that controls gpio based multiplexers. Even though not needed by
this initial driver, the mux controller subsystem is prepared to handle
chips with multiple (independent) mux controllers.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
Documentation
Acked-by: Rob Herring
Signed-off-by: Peter Rosin
---
Documentation/devicetree/bindings/mux/gpio-mux.txt | 69 +
.../devicetree/bindings/mux/mux-controller.txt | 157 +
MAINTAINERS| 6 +
include/dt-bindings/mux/mux.h
Everything else is indented with two spaces, so fix the odd one out.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
Documentation/driver-model/devres.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/driver-model/devres.txt
b/Documentation/driver
, creating a private
copy of the ext_info attributes for each multiplexer state/channel.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
MAINTAINERS | 1 +
drivers/iio/Kconfig | 1 +
drivers/iio/Makefile | 1 +
drivers/iio
On 2017-03-27 16:21, Peter Rosin wrote:
> Hi Greg!
>
> Please apply.
>
*snip snip*
> v10 -> v11 changes
> - added a new patch (12) with a fix for messed up error path reported
> by Paul Gortmaker.
Oops, should be Dan Carpenter. Sorry about that...
And, I forgot t
s
any contention.
Also, the "mux" name feels a bit ambitious, there are many muxes
in the world, and this tiny bit of code is probably not good
enough to be a nice fit for all...
Cheers,
peda
Peter Rosin (10):
devres: trivial whitespace fix
dt-bindings: document devicetree bindings f
Extend the inkern api with functions for reading and writing ext_info
of iio channels.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
drivers/iio/inkern.c | 60
include/linux/iio/consumer.h | 37 +++
2
Everything else is indented with two spaces, so fix the odd one out.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
Documentation/driver-model/devres.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/driver-model/devres.txt
b/Documentation/driver
Describe how a general purpose multiplexer controller is used to mux an
i2c bus.
Acked-by: Jonathan Cameron
Reviewed-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/i2c/i2c-mux-gpmux.txt | 99 ++
1 file changed, 99 insertions(+)
create mode
Analog Devices ADG792A/G is a triple 4:1 mux.
Acked-by: Jonathan Cameron
Reviewed-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/mux/adi,adg792a.txt| 75 ++
1 file changed, 75 insertions(+)
create mode 100644 Documentation/devicetree
Analog Devices ADG792A/G is a triple 4:1 mux.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
drivers/mux/Kconfig | 12
drivers/mux/Makefile | 1 +
drivers/mux/mux-adg792a.c | 141 ++
3 files changed, 154 insertions
Describe how a multiplexer can be used to select which signal is fed to
an io-channel.
Acked-by: Jonathan Cameron
Acked-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../bindings/iio/multiplexer/io-channel-mux.txt| 39 ++
MAINTAINERS
, creating a private
copy of the ext_info attributes for each multiplexer state/channel.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
MAINTAINERS | 1 +
drivers/iio/Kconfig | 1 +
drivers/iio/Makefile | 1 +
drivers/iio
Acked-by: Rob Herring
Signed-off-by: Peter Rosin
---
Documentation/devicetree/bindings/mux/gpio-mux.txt | 69 +
.../devicetree/bindings/mux/mux-controller.txt | 157 +
MAINTAINERS| 6 +
include/dt-bindings/mux/mux.h
comes with a single backend
driver that controls gpio based multiplexers. Even though not needed by
this initial driver, the mux controller subsystem is prepared to handle
chips with multiple (independent) mux controllers.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
Documentation
-by: Peter Rosin
---
drivers/i2c/muxes/Kconfig | 13 +++
drivers/i2c/muxes/Makefile| 1 +
drivers/i2c/muxes/i2c-mux-gpmux.c | 173 ++
3 files changed, 187 insertions(+)
create mode 100644 drivers/i2c/muxes/i2c-mux-gpmux.c
diff --git a/drivers
On 2017-04-18 10:51, Greg Kroah-Hartman wrote:
> On Thu, Apr 13, 2017 at 06:43:07PM +0200, Peter Rosin wrote:
>> +config MUX_GPIO
>> +tristate "GPIO-controlled Multiplexer"
>> +depends on OF && GPIOLIB
>
> Why have the gpio and mux core in the
On 2017-04-18 12:06, Philipp Zabel wrote:
> On Thu, 2017-04-13 at 18:43 +0200, Peter Rosin wrote:
>> Allow specifying that a single multiplexer controller can be used to
>> control several parallel multiplexers, thus enabling sharing of the
>> multiplexer controller b
On 2017-04-18 13:44, Greg Kroah-Hartman wrote:
> On Tue, Apr 18, 2017 at 12:59:50PM +0200, Peter Rosin wrote:
>> On 2017-04-18 10:51, Greg Kroah-Hartman wrote:
>>> On Thu, Apr 13, 2017 at 06:43:07PM +0200, Peter Rosin wrote:
>>>> +config MUX_GPIO
>>>>
On 2017-04-19 11:17, Philipp Zabel wrote:
> On Tue, 2017-04-18 at 15:36 +0200, Peter Rosin wrote:
>> If I got things wrong when I skimmed whatever I came across, and if the
>> mmio register is the only mux control option in the stars, it becomes
>> less obvious... It's o
On 2017-04-19 13:05, Philipp Zabel wrote:
> On Wed, 2017-04-19 at 12:41 +0200, Peter Rosin wrote:
>> On 2017-04-19 11:17, Philipp Zabel wrote:
>>> On Tue, 2017-04-18 at 15:36 +0200, Peter Rosin wrote:
>>>> If I got things wrong when I skimmed whatever I came across,
On 2017-04-19 11:06, Philipp Zabel wrote:
> On Thu, 2017-04-13 at 18:43 +0200, Peter Rosin wrote:
>> Add a new minimalistic subsystem that handles multiplexer controllers.
>> When multiplexers are used in various places in the kernel, and the
>> same multiplexer controller ca
On 2017-04-19 15:49, Philipp Zabel wrote:
> On Wed, 2017-04-19 at 14:00 +0200, Peter Rosin wrote:
> [...]
>>>> +int mux_control_select(struct mux_control *mux, int state)
>>>
>>> If we let two of these race, ...
>>
>> The window for this "
On 2017-04-18 23:53, Peter Rosin wrote:
> On 2017-04-18 13:44, Greg Kroah-Hartman wrote:
>> On Tue, Apr 18, 2017 at 12:59:50PM +0200, Peter Rosin wrote:
>>> On 2017-04-18 10:51, Greg Kroah-Hartman wrote:
>>>> On Thu, Apr 13, 2017 at 06:43:07PM +0200, Peter Rosin w
On 2017-04-21 16:23, Philipp Zabel wrote:
> On Thu, 2017-04-13 at 18:43 +0200, Peter Rosin wrote:
> [...]
>> +int mux_chip_register(struct mux_chip *mux_chip)
>> +{
>> +int i;
>> +int ret;
>> +
>> +for (i = 0; i < mux_chip->controllers
On 2017-04-21 16:18, Philipp Zabel wrote:
> Hi Peter,
>
> On Thu, 2017-04-13 at 18:43 +0200, Peter Rosin wrote:
> [...]
>> +int mux_control_select(struct mux_control *mux, int state)
>
> state could be unsigned int for the consumer facing API.
>
>
On 2017-04-21 16:41, Philipp Zabel wrote:
> On Fri, 2017-04-21 at 16:32 +0200, Peter Rosin wrote:
>> On 2017-04-21 16:23, Philipp Zabel wrote:
>>> On Thu, 2017-04-13 at 18:43 +0200, Peter Rosin wrote:
>>> [...]
>>>> +int mux_chip_register(struct mu
On 2017-04-20 23:53, Peter Rosin wrote:
> On 2017-04-18 23:53, Peter Rosin wrote:
>> On 2017-04-18 13:44, Greg Kroah-Hartman wrote:
>>> On Tue, Apr 18, 2017 at 12:59:50PM +0200, Peter Rosin wrote:
>>>> On 2017-04-18 10:51, Greg Kroah-Hartman wrote:
>>>>
hannel.
- implement idle-state for muxes
- clear out the cache on failure in order to force a mux
update on the following use
- cleanup the probe of i2c-mux-simple driver
- fix a bug in the i2c-mux-simple driver, where failure in
the selection of the mux caused a deadlock when the mux
was lat
Acked-by: Rob Herring
Signed-off-by: Peter Rosin
---
Documentation/devicetree/bindings/mux/gpio-mux.txt | 69 +
.../devicetree/bindings/mux/mux-controller.txt | 157 +
MAINTAINERS| 6 +
include/dt-bindings/mux/mux.h
Everything else is indented with two spaces, so fix the odd one out.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
Documentation/driver-model/devres.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/driver-model/devres.txt
b/Documentation/driver
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