This is the driver for at91-usart in spi mode. The USART IP can be configured
to work in many modes and one of them is SPI.
The driver was tested on sama5d3-xplained and sama5d4-xplained boards with
enc28j60 ethernet controller as slave.
Signed-off-by: Radu Pirea
---
drivers/spi/Kconfig
This mfd driver is just a wrapper over atmel_serial driver and
spi-at91-usart driver. Selection of one of the drivers is based on a
property from device tree. If the property is not specified, the default
driver is atmel_serial.
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
---
d
This mfd driver is just a wrapper over atmel_serial driver and
spi-at91-usart driver. Selection of one of the drivers is based on a
property from device tree. If the property is not specified, the default
driver is atmel_serial.
Signed-off-by: Radu Pirea
---
drivers/mfd/Kconfig
These are bindings for at91-usart IP in spi spi mode. There is no support for
internal chip select. Only kind of chip selects available are gpio chip
selects.
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
---
.../bindings/spi/microchip,at91-usart-spi.txt | 28 +++
These are bindings for at91-usart IP in spi spi mode. There is no support for
internal chip select. Only kind of chip selects available are gpio chip
selects.
Signed-off-by: Radu Pirea
---
.../bindings/spi/microchip,at91-usart-spi.txt | 28 +++
1 file changed, 28 insertions
Added entry for at91 usart mfd driver.
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
---
MAINTAINERS | 7 +++
1 file changed, 7 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 8e2a2fddbd19..ca06c6f58299 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9192,6 +9192,1
driver child
Changes in v3:
- fixed spi slaves probing
Radu Pirea (6):
MAINTAINERS: add at91 usart mfd driver
mfd: at91-usart: added mfd driver for usart
MAINTAINERS: add at91 usart spi driver
dt-bindings: add binding for at91-usart in spi mode
spi: at91-usart: add driver for at91-usart
Added entry for at91 usart mfd driver.
Signed-off-by: Radu Pirea
---
MAINTAINERS | 7 +++
1 file changed, 7 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 8e2a2fddbd19..ca06c6f58299 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9192,6 +9192,13 @@ S: Supported
F
driver child
Changes in v3:
- fixed spi slaves probing
Radu Pirea (6):
MAINTAINERS: add at91 usart mfd driver
mfd: at91-usart: added mfd driver for usart
MAINTAINERS: add at91 usart spi driver
dt-bindings: add binding for at91-usart in spi mode
spi: at91-usart: add driver for at91-usart
Added geometry description for Microchip 25LC256 memory.
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
---
drivers/mtd/devices/m25p80.c | 3 +++
drivers/mtd/spi-nor/spi-nor.c | 3 +++
2 files changed, 6 insertions(+)
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/
Added geometry description for Microchip 25LC256 memory.
Signed-off-by: Radu Pirea
---
drivers/mtd/devices/m25p80.c | 3 +++
drivers/mtd/spi-nor/spi-nor.c | 3 +++
2 files changed, 6 insertions(+)
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index a4e18f6aaa33
Added entry for at91 usart mfd driver.
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
---
MAINTAINERS | 7 +++
1 file changed, 7 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 8e2a2fddbd19..ca06c6f58299 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9192,6 +9192,1
Added entry for at91 usart mfd driver.
Signed-off-by: Radu Pirea
---
MAINTAINERS | 7 +++
1 file changed, 7 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 8e2a2fddbd19..ca06c6f58299 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9192,6 +9192,13 @@ S: Supported
F
Added entry for at91 usart mfd driver.
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
---
MAINTAINERS | 7 +++
1 file changed, 7 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index ca06c6f58299..9243b9007966 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9199,6 +9199,1
Added entry for at91 usart mfd driver.
Signed-off-by: Radu Pirea
---
MAINTAINERS | 7 +++
1 file changed, 7 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index ca06c6f58299..9243b9007966 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9199,6 +9199,13 @@ S: Supported
F
This patch modifies the place where resources and device tree properties
are searched.
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
---
drivers/tty/serial/Kconfig| 1 +
drivers/tty/serial/atmel_serial.c | 29 +++--
2 files changed, 16 insertions(
This patch modifies the place where resources and device tree properties
are searched.
Signed-off-by: Radu Pirea
---
drivers/tty/serial/Kconfig| 1 +
drivers/tty/serial/atmel_serial.c | 29 +++--
2 files changed, 16 insertions(+), 14 deletions(-)
diff --git
This is the driver for at91-usart in spi mode. The USART IP can be configured
to work in many modes and one of them is SPI.
The driver was tested on sama5d3-xplained and sama5d4-xplained boards with
enc28j60 ethernet controller as slave.
Signed-off-by: Radu Pirea <radu.pi...@microchip.
This is the driver for at91-usart in spi mode. The USART IP can be configured
to work in many modes and one of them is SPI.
The driver was tested on sama5d3-xplained and sama5d4-xplained boards with
enc28j60 ethernet controller as slave.
Signed-off-by: Radu Pirea
---
drivers/spi/Kconfig
These are bindings for at91-usart IP in spi spi mode. There is no support for
internal chip select. Only kind of chip selects available are gpio chip
selects.
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
---
.../bindings/spi/microchip,at91-usart-spi.txt | 28 +++
These are bindings for at91-usart IP in spi spi mode. There is no support for
internal chip select. Only kind of chip selects available are gpio chip
selects.
Signed-off-by: Radu Pirea
---
.../bindings/spi/microchip,at91-usart-spi.txt | 28 +++
1 file changed, 28 insertions
This mfd driver is just a wrapper over atmel_serial driver and
spi-at91-usart driver. Selection of one of the drivers is based on a
property from device tree. If the property is not specified, the default
driver is atmel_serial.
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
---
d
This mfd driver is just a wrapper over atmel_serial driver and
spi-at91-usart driver. Selection of one of the drivers is based on a
property from device tree. If the property is not specified, the default
driver is atmel_serial.
Signed-off-by: Radu Pirea
---
drivers/mfd/Kconfig
driver child
Radu Pirea (6):
MAINTAINERS: add at91 usart mfd driver
mfd: at91-usart: added mfd driver for usart
MAINTAINERS: add at91 usart spi driver
dt-bindings: add binding for at91-usart in spi mode
spi: at91-usart: add driver for at91-usart as spi
tty/serial: atmel: changed the driver
driver child
Radu Pirea (6):
MAINTAINERS: add at91 usart mfd driver
mfd: at91-usart: added mfd driver for usart
MAINTAINERS: add at91 usart spi driver
dt-bindings: add binding for at91-usart in spi mode
spi: at91-usart: add driver for at91-usart as spi
tty/serial: atmel: changed the driver
On Tue, 2018-04-17 at 12:03 +0100, Mark Brown wrote:
> On Fri, Apr 13, 2018 at 08:12:51PM +0200, Alexandre Belloni wrote:
> > On 13/04/2018 19:12:54+0200, Nicolas Ferre wrote:
> > > This layout of the hardware is completely different from the
> > > USART one and
> > > it seems to makes sense to
On Tue, 2018-04-17 at 12:03 +0100, Mark Brown wrote:
> On Fri, Apr 13, 2018 at 08:12:51PM +0200, Alexandre Belloni wrote:
> > On 13/04/2018 19:12:54+0200, Nicolas Ferre wrote:
> > > This layout of the hardware is completely different from the
> > > USART one and
> > > it seems to makes sense to
issues.
Radu Pirea (3):
MAINTAINERS: add usart spi driver
dt-bindings: add binding for at91-usart in spi mode
spi: at91-usart: add driver for at91-usart as spi
.../bindings/spi/microchip,at91-usart-spi.txt | 24 +
MAINTAINERS | 7 +
drivers/spi/Kconfig
issues.
Radu Pirea (3):
MAINTAINERS: add usart spi driver
dt-bindings: add binding for at91-usart in spi mode
spi: at91-usart: add driver for at91-usart as spi
.../bindings/spi/microchip,at91-usart-spi.txt | 24 +
MAINTAINERS | 7 +
drivers/spi/Kconfig
These are bindings for at91-usart IP in spi spi mode. There is no support for
internal chip select. Only kind of chip selects available are gpio chip
selects.
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
---
.../bindings/spi/microchip,at91-usart-spi.txt | 24 +++
These are bindings for at91-usart IP in spi spi mode. There is no support for
internal chip select. Only kind of chip selects available are gpio chip
selects.
Signed-off-by: Radu Pirea
---
.../bindings/spi/microchip,at91-usart-spi.txt | 24 +++
1 file changed, 24 insertions
Add entry for at91 usart spi driver.
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
---
MAINTAINERS | 7 +++
1 file changed, 7 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 8e2a2fddbd19..8f80d0e30573 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9192,6 +9192,1
This is the driver for at91-usart in spi mode. The USART IP can be configured
to work in many modes and one of them is SPI.
The driver was tested on sama5d3-xplained and sama5d4-xplained boards with
enc28j60 ethernet controller as slave.
Signed-off-by: Radu Pirea <radu.pi...@microchip.
Add entry for at91 usart spi driver.
Signed-off-by: Radu Pirea
---
MAINTAINERS | 7 +++
1 file changed, 7 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 8e2a2fddbd19..8f80d0e30573 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9192,6 +9192,13 @@ S: Supported
F
This is the driver for at91-usart in spi mode. The USART IP can be configured
to work in many modes and one of them is SPI.
The driver was tested on sama5d3-xplained and sama5d4-xplained boards with
enc28j60 ethernet controller as slave.
Signed-off-by: Radu Pirea
---
drivers/spi/Kconfig
This patch add support in spi-nor for allmost all dataflash memories
supported by old mtd_dataflash driver.
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
---
drivers/mtd/spi-nor/spi-nor.c | 150 +-
include/linux/mtd/spi-nor.h | 10 +++
2
This patch add support in spi-nor for allmost all dataflash memories
supported by old mtd_dataflash driver.
Signed-off-by: Radu Pirea
---
drivers/mtd/spi-nor/spi-nor.c | 150 +-
include/linux/mtd/spi-nor.h | 10 +++
2 files changed, 158 insertions
reverted "spi: atmel: fix corrupted data issue on SAM9
family SoCs"(7094576ccdc3acfe1e06a1e2ab547add375baf7f).
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
Acked-by: Nicolas Ferre <nicolas.fe...@microchip.com>
---
Changes v3:
-rebased on top of spi: atmel: fixed
reverted "spi: atmel: fix corrupted data issue on SAM9
family SoCs"(7094576ccdc3acfe1e06a1e2ab547add375baf7f).
Signed-off-by: Radu Pirea
Acked-by: Nicolas Ferre
---
Changes v3:
-rebased on top of spi: atmel: fixed spin_lock usage inside atmel_spi_remove
-rerun checkpatch.pl and
can't be inside a spin_lock.
Reported-by: Jia-Ju Bai <baijiaju1...@gmail.com>
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
---
drivers/spi/spi-atmel.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index f95d
can't be inside a spin_lock.
Reported-by: Jia-Ju Bai
Signed-off-by: Radu Pirea
---
drivers/spi/spi-atmel.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index f95da36..6694709 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers
reverted "spi: atmel: fix corrupted data issue on SAM9
family SoCs"(7094576ccdc3acfe1e06a1e2ab547add375baf7f).
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
---
Please ignore the previous version. I messed up with file names.
drivers/spi/s
reverted "spi: atmel: fix corrupted data issue on SAM9
family SoCs"(7094576ccdc3acfe1e06a1e2ab547add375baf7f).
Signed-off-by: Radu Pirea
---
Please ignore the previous version. I messed up with file names.
drivers/spi/spi-atmel.c | 113 +++---
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
---
drivers/spi/spi-atmel.c | 112 +++-
1 file changed, 82 insertions(+), 30 deletions(-)
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index f95da36..59b59ae 100644
--- a/d
Signed-off-by: Radu Pirea
---
drivers/spi/spi-atmel.c | 112 +++-
1 file changed, 82 insertions(+), 30 deletions(-)
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index f95da36..59b59ae 100644
--- a/drivers/spi/spi-atmel.c
+++ b
iew this is the best and most simple approach.
I based these patches on Russell King idea
https://lkml.org/lkml/2017/6/23/509
I welcome any feedback about this solution.
Thanks.
Radu Pirea (2):
Revert "spi: atmel: fix corrupted data issue on SAM9 family SoCs"
spi: atmel: Fix DMA t
iew this is the best and most simple approach.
I based these patches on Russell King idea
https://lkml.org/lkml/2017/6/23/509
I welcome any feedback about this solution.
Thanks.
Radu Pirea (2):
Revert "spi: atmel: fix corrupted data issue on SAM9 family SoCs"
spi: atmel: Fix DMA t
If the cache model is VIVT, DMA data transfers may not be valid and to
ensure the validity of the data cache must be flushed and invalidated.
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
---
drivers/spi/spi-atmel.c | 20
1 file changed, 20 insertions(+)
diff
If the cache model is VIVT, DMA data transfers may not be valid and to
ensure the validity of the data cache must be flushed and invalidated.
Signed-off-by: Radu Pirea
---
drivers/spi/spi-atmel.c | 20
1 file changed, 20 insertions(+)
diff --git a/drivers/spi/spi-atmel.c b
This reverts commit 7094576ccdc3acfe1e06a1e2ab547add375baf7f.
A better fix was found and DMA for SAM9 SoCs must be enabled.
Signed-off-by: Radu Pirea <radu.pi...@microchip.com>
---
drivers/spi/spi-atmel.c | 24 +---
1 file changed, 1 insertion(+), 23 deletions(-)
diff
This reverts commit 7094576ccdc3acfe1e06a1e2ab547add375baf7f.
A better fix was found and DMA for SAM9 SoCs must be enabled.
Signed-off-by: Radu Pirea
---
drivers/spi/spi-atmel.c | 24 +---
1 file changed, 1 insertion(+), 23 deletions(-)
diff --git a/drivers/spi/spi-atmel.c
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