qup_wait_writeready waits only on a output fifo empty event.
Change the same function to accept the event and data length
to wait as parameters. This way the same function can be used for
timeouts in other places as well.
Signed-off-by: Sricharan R
---
drivers/i2c/busses/i2c-qup.c | 67
t to coalesce each i2c_msg in i2c_msgs for fifo and
block mode in Patch 2. Also addressed further code comments.
http://comments.gmane.org/gmane.linux.drivers.i2c/22497
[V2] Addressed comments from Ivan T. Ivanov, Andy Gross [v1] Initial Version
Sricharan R (6):
i2c: qup: Change qup_wa
for the same.
This is required for some clients like touchscreen which keeps
incrementing counts across individual transfers and 'STOP' bit inbetween
resets the counter, which is not required.
This patch adds the support in non-dma mode.
Signed-off-by: S
Signed-off-by: Sricharan R
---
arch/arm/boot/dts/qcom-msm8974.dtsi | 12 +++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi
b/arch/arm/boot/dts/qcom-msm8974.dtsi
index 753bdfd..7786408 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
For each block a data_write/read tag and data_len tag is added to
the output fifo. For the final block of data write_stop/read_stop
tag is used.
Signed-off-by: Andy Gross
Signed-off-by: Sricharan R
---
drivers/i2c/busses/i2c-qup.c | 415 ---
1 file ch
Signed-off-by: Sricharan R
---
arch/arm/boot/dts/qcom-msm8974.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi
b/arch/arm/boot/dts/qcom-msm8974.dtsi
index 7786408..bd1be53 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
+++ b/arch/arm/boot/dts/qcom
transfer more than 256 bytes, without a
'stop' which is not possible otherwise.
Signed-off-by: Sricharan R
---
drivers/i2c/busses/i2c-qup.c | 447 ++-
1 file changed, 439 insertions(+), 8 deletions(-)
diff --git a/drivers/i2c/busses/i2c-qup.c b/d
the existing driver with the addition of generic bindings.
http://www.spinics.net/lists/linux-arm-msm/msg10077.html
This series is based on the IOMMU probe deferral series from
Laurent Pinchart
https://lkml.org/lkml/2015/5/14/786
Tested this series on ifc6410 board.
Sricharan R
This adds the xlate callback which gets invoked during
device registration from DT. The master devices gets added
through this. Also adding the iommu_of_setup callback here.
Signed-off-by: Sricharan R
---
drivers/iommu/msm_iommu.c | 51 +--
1 file
There are only two functions left in msm_iommu_dev.c. Move it to
msm_iommu.c and delete the file.
Signed-off-by: Sricharan R
---
drivers/iommu/Makefile| 2 +-
drivers/iommu/msm_iommu.c | 163 +
drivers/iommu/msm_iommu_dev.c | 204
Now that the driver is DT adapted, bus_set_iommu gets called
only when on compatible matching. So the driver should not
break multiplatform builds now. So remove the BROKEN config.
Signed-off-by: Sricharan R
---
drivers/iommu/Kconfig | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers
The cacheablity attributes are set when IOMMU_CACHE property
is true. So cachebility is set as either noncached (normal)
or cached (normal WBWA) directly and avoid setting using
tex remap.
Signed-off-by: Sricharan R
---
drivers/iommu/msm_iommu.c | 66
were responsible for programming all of the iommus/contexts
for the device. Now while adapting to generic DT bindings we maintain the
list of iommus, contexts that each master domain is connected to and
program all of them on attach/detach.
Signed-off-by: Sricharan R
---
.../devicetree/bindings
From: Mitchel Humpherys
This adds the support to turn on the regulators required
for SMMUs. It is turned on during the SMMU probe and remains
'on' till the device exists.
Signed-off-by: Sricharan R
---
.../devicetree/bindings/iommu/arm,smmu.txt | 3 ++
drivers/iommu/
This adds of_xlate callback to arm-smmu driver. xlate callback
is called during device registration from DT for those master
devices attached to iommus using generic iommu bindings.
Signed-off-by: Sricharan R
---
drivers/iommu/arm-smmu.c | 36
1 file changed
This patch uses IOMMU_OF_DECLARE to register the driver
and the iommu_ops. So when master devices of the iommu are
registered, of_xlate callback can be used to add the master
configurations to the smmu driver.
Signed-off-by: Sricharan R
---
drivers/iommu/arm-smmu.c | 36
probe
and remains 'on' till the device exists.
Signed-off-by: Mitchel Humpherys
Signed-off-by: Sricharan R
---
.../devicetree/bindings/iommu/arm,smmu.txt | 11 +++
drivers/iommu/arm-smmu.c | 86 +-
2 files changed, 94 insertions(+),
):
iommu/arm-smmu: add support for specifying clocks
iommu/arm-smmu: Add support for specifying regulators
Sricharan R (2):
iommu/arm-smmu: Init driver using IOMMU_OF_DECLARE
iommu/arm-smmu: Add xlate callback for initializing master devices
from dt
.../devicetree/bindings/iommu/arm,smmu.txt
-out allocations to go through.
Signed-off-by: Sricharan R
---
drivers/base/dma-coherent.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/base/dma-coherent.c b/drivers/base/dma-coherent.c
index 55b8398..72bdc6f 100644
--- a/drivers/base/dma-coherent.c
+++ b/drivers
Signed-off-by: Sricharan R
---
arch/arm/boot/dts/qcom-msm8974.dtsi | 12 +++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi
b/arch/arm/boot/dts/qcom-msm8974.dtsi
index 37b47b5..f138202 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
The qup_i2c_write/read_one functions can be split to have
the common initialization code and function to loop around
the data bytes separately. This way the initialization code
can be reused while adding v2 tags functionality.
Signed-off-by: Sricharan R
---
drivers/i2c/busses/i2c-qup.c | 147
For each block a data_write/read tag and data_len tag is added to
the output fifo. For the final block of data write_stop/read_stop
tag is used.
Signed-off-by: Andy Gross
Signed-off-by: Sricharan R
---
drivers/i2c/busses/i2c-qup.c | 330 ++-
1 file ch
transfer more than 256 bytes, without a
'stop' which is not possible otherwise.
Signed-off-by: Sricharan R
---
drivers/i2c/busses/i2c-qup.c | 431 +--
1 file changed, 415 insertions(+), 16 deletions(-)
diff --git a/drivers/i2c/busses/i2c-qup.c b/d
de in Patch 2. Also addressed further code comments.
http://comments.gmane.org/gmane.linux.drivers.i2c/22497
[V2] Addressed comments from Ivan T. Ivanov, Andy Gross [v1] Initial Version
Sricharan R (7):
i2c: qup: Change qup_wait_writeready function to use for all timeouts
qup: i2c: factor ou
Signed-off-by: Sricharan R
---
arch/arm/boot/dts/qcom-msm8974.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi
b/arch/arm/boot/dts/qcom-msm8974.dtsi
index f138202..17dcda3 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
+++ b/arch/arm/boot/dts/qcom
for the same.
This is required for some clients like touchscreen which keeps
incrementing counts across individual transfers and 'STOP' bit inbetween
resets the counter, which is not required.
This patch adds the support in non-dma mode.
Signed-off-by: S
qup_wait_writeready waits only on a output fifo empty event.
Change the same function to accept the event and data length
to wait as parameters. This way the same function can be used for
timeouts in otherplaces as well.
Signed-off-by: Sricharan R
---
drivers/i2c/busses/i2c-qup.c | 67
Patch 'fix ARM_SMMU_FEAT_TRANS_OPS condition' changed the check
for ARM_SMMU_FEAT_TRANS_OPS to be based on presence of stage1 check,
but used (id & ID0_ATOSNS) instead of !(id & ID0_ATOSNS).
Fix it here.
Signed-off-by: Sricharan R
---
drivers/iommu/arm-smmu.c | 2 +-
1 file ch
Hi Ivan,
On 04/16/2015 02:06 PM, Ivan T. Ivanov wrote:
Hi Sricharan,
On Wed, 2015-04-15 at 20:14 +0530, Sricharan R wrote:
+#define QUP_I2C_MX_CONFIG_DURING_RUN BIT(31)
Could you explain what is this for?
This is a new feature in the V2 version of the controller,
to
Hi Ivan,
Sorry resending again, because wrapping seemed to be
somehow wrong in my previous response.
On 04/15/2015 02:19 PM, Ivan T. Ivanov wrote:
Hi Sricharan,
On Wed, 2015-04-15 at 12:09 +0530, Sricharan R wrote:
+/* frequency definitions for high speed and max speed */
+#define
Hi Ivan,
On 04/15/2015 02:19 PM, Ivan T. Ivanov wrote:
Hi Sricharan,
On Wed, 2015-04-15 at 12:09 +0530, Sricharan R wrote:
+/* frequency definitions for high speed and max speed */
+#define I2C_QUP_CLK_FAST_FREQ 100
This is fast mode, if I am not mistaken.
ya, up to 1MHZ
Hi Ivan,
On 04/14/2015 08:46 PM, Ivan T. Ivanov wrote:
Hi Sricharan,
On Sat, 2015-04-11 at 12:39 +0530, Sricharan R wrote:
From: Andy Gross
QUP from version 2.1.1 onwards, supports a new format of
i2c command tags. Tag codes instructs the controller to
perform a operation like read/write
Hi,
On 04/12/2015 03:42 AM, Sergei Shtylyov wrote:
Hello.
On 04/11/2015 10:09 AM, Sricharan R wrote:
Signed-off-by: Sricharan R
---
arch/arm/boot/dts/qcom-msm8974.dtsi | 12 +++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi
b
port for the same.
This is required for some clients like touchscreen which keeps
incrementing counts across individual transfers and 'STOP' bit inbetween
resets the counter, which is not required.
Signed-off-by: Sricharan R
---
drivers/i2c/busses/i2c-qup.c | 200 +
transfer more than 256 bytes,
without a 'stop' which is not possible otherwise.
Signed-off-by: Sricharan R
---
[V3] Addressed comments from Andy Gross
to use macros for qup_i2c_wait_ready function.
drivers/i2c/busses/i2c-qup.c | 415 +
upport for the same.
For each block a data_write/read tag and data_len tag is added to
the output fifo. For the final block of data write_stop/read_stop
tag is used.
Signed-off-by: Andy Gross
Signed-off-by: Sricharan R
---
[V3] Addressed comments from Andy Gross
to coalesce each i2c_msg i
qup_wait_writeready waits only on a output fifo empty event.
Change the same function to accept the event and data length
to wait as parameters. This way the same function can be used for
timeouts in otherplaces as well.
Signed-off-by: Sricharan R
---
[v3] Addressed comments from Andy Gross
agon board eeprom client on i2c bus1
[V3] Added support to coalesce each i2c_msg in i2c_msgs for fifo and
block mode in Patch 2. Also addressed further code comments.
[V2] Addressed comments from Ivan T. Ivanov, Andy Gross [v1] Initial Version
Andy Gross (1):
i2c: qup: Add V2 tags support
Sric
Signed-off-by: Sricharan R
---
arch/arm/boot/dts/qcom-msm8974.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi
b/arch/arm/boot/dts/qcom-msm8974.dtsi
index 2c26151..d741856 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
+++ b/arch/arm/boot/dts/qcom
Signed-off-by: Sricharan R
---
arch/arm/boot/dts/qcom-msm8974.dtsi | 12 +++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi
b/arch/arm/boot/dts/qcom-msm8974.dtsi
index e265ec1..2c26151 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
Signed-off-by: Sricharan R
---
[v2] Changed dma channel names as per comments.
arch/arm/boot/dts/qcom-msm8974.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi
b/arch/arm/boot/dts/qcom-msm8974.dtsi
index c2e8711..5cb0772 100644
--- a/arch/arm/boot
port for the same.
This is required for some clients like touchscreen which keeps
incrementing counts across individual transfers and 'STOP' bit inbetween
resets the counter, which is not required.
Signed-off-by: Sricharan R
---
drivers/i2c/busses/i2c-qup.c | 199 +
qup_wait_writeready waits only on a output fifo empty event.
Change the same function to accept the event and data length
to wait as parameters. This way the same function can be used for
timeouts in otherplaces as well.
Signed-off-by: Sricharan R
---
drivers/i2c/busses/i2c-qup.c | 30
upport for the same.
For each block a data_write/read tag and data_len tag is added to
the output fifo. For the final block of data write_stop/read_stop
tag is used.
Signed-off-by: Andy Gross
Signed-off-by: Sricharan R
---
[v2] Addressed comments from Ivan T. Ivanov
drivers/i2c/busses/i2c-q
Signed-off-by: Sricharan R
---
[v2] Used macros for interrupts property.
arch/arm/boot/dts/qcom-msm8974.dtsi | 12 +++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi
b/arch/arm/boot/dts/qcom-msm8974.dtsi
index 2d11641..c2e8711 100644
transfer more than 256 bytes,
without a 'stop' which is not possible otherwise.
Signed-off-by: Sricharan R
---
[v2] Addressed comments from Ivan T. Ivanov
drivers/i2c/busses/i2c-qup.c | 371 ++-
1 file changed, 366 insertions(+), 5 deletion
agon board eeprom client on i2c bus1
[V2] Addressed comments from Ivan T. Ivanov, Andy Gross
[v1] Initial Version
Andy Gross (1):
i2c: qup: Add V2 tags support
Sricharan R (5):
i2c: qup: Change qup_wait_writeready function to use for all timeouts
i2c: qup: Add bam dma capabilities
i2c: qup
Hi Ivan,
On 03/26/2015 01:01 PM, Ivan T. Ivanov wrote:
Hi Sricharan,
On Thu, 2015-03-26 at 11:14 +0530, Sricharan R wrote:
+ if (msg->flags & I2C_M_RD)
+ qup->rx_tag_len = (qup->blocks << 1);
here again.
hmm, why not shift ?
Because it makes
Hi Ivan,
On 03/25/2015 06:40 PM, Ivan T. Ivanov wrote:
Hi Sricharan,
On Fri, 2015-03-13 at 23:19 +0530, Sricharan R wrote:
#define QUP_I2C_MASTER_GEN 0x408
+#define QUP_I2C_MASTER_CONFIG 0x408
Unused.
Ok, will remove it
#define QUP_READ_LIMIT 256
+#define
Hi Ivan,
On 03/25/2015 05:54 PM, Ivan T. Ivanov wrote:
Hi Sricharan,
On Fri, 2015-03-13 at 23:19 +0530, Sricharan R wrote:
From: Andy Gross
QUP from version 2.1.1 onwards, supports a new format of
i2c command tags. Tag codes instructs the controller to
perform a operation like read/write
qup_wait_writeready waits only on a output fifo empty event.
Change the same function to accept the event and data length
to wait as parameters. This way the same function can be used for
timeouts in otherplaces as well.
Signed-off-by: Sricharan R
---
drivers/i2c/busses/i2c-qup.c | 30
Signed-off-by: Sricharan R
---
arch/arm/boot/dts/qcom-msm8974.dtsi | 10 ++
1 file changed, 10 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi
b/arch/arm/boot/dts/qcom-msm8974.dtsi
index e265ec1..3f648ae 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
+++ b/arch/arm
transfer more than 256 bytes,
without a 'stop' which is not possible otherwise.
Signed-off-by: Sricharan R
---
drivers/i2c/busses/i2c-qup.c | 365 ++-
1 file changed, 359 insertions(+), 6 deletions(-)
diff --git a/drivers/i2c/busses/i2c-qup.c b/d
upport for the same.
For each block a data_write/read tag and data_len tag is added to
the output fifo. For the final block of data write_stop/read_stop
tag is used.
Signed-off-by: Andy Gross
Signed-off-by: Sricharan R
---
drivers/i2c/busses/i2c-qup.c | 342
port for the same.
This is required for some clients like touchscreen which keeps
incrementing counts across individual transfers and 'STOP' bit inbetween
resets the counter, which is not required.
Signed-off-by: Sricharan R
---
drivers/i2c/busses/i2c-qup.c | 192 +
Signed-off-by: Sricharan R
---
arch/arm/boot/dts/qcom-msm8974.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi
b/arch/arm/boot/dts/qcom-msm8974.dtsi
index 3f648ae..1ec7ec5 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
+++ b/arch/arm/boot/dts/qcom
agon board eeprom client
on i2c bus1
Andy Gross (1):
i2c: qup: Add V2 tags support
Sricharan R (5):
i2c: qup: Change qup_wait_writeready function to use for all timeouts
i2c: qup: Add bam dma capabilities
i2c: qup: Transfer every i2c_msg in i2c_msgs without stop
dts: msm8974: Add blsp2_ba
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