nvidia-tegra-modules.git/drivers/gpio, branch gpu-paging NVIDIA's kernel modules to support tegra chips (used in Jetson boards) drivers: gpio-tegra186: Add conditional GTE flag 2020-02-24T15:25:10+00:00 Dipen Patel dipenp@nvidia.com 2020-01-29T22:59:06+00:00 09e6667fdb5fe0584b0e3b155307d03e3ee5a3dc There is use_timestamp gpio driver DT property which is used to map GTE registers address space which will conflict if GTE driver is enabled. This CL creates function for GTE driver to indicate its presence so using flag which will make timestamp control function just to return enabling the timestamp bit. Bug 2757864 Change-Id: I653c237455131f1b1a92a6de3cc79385d799316f Signed-off-by: Dipen Patel <dipenp@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2287319 Reviewed-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit 
There is use_timestamp gpio driver DT property which is used to map GTE
registers address space which will conflict if GTE driver is enabled.
This CL creates function for GTE driver to indicate its presence so
using flag which will make timestamp control function just to return
enabling the timestamp bit.

Bug 2757864

Change-Id: I653c237455131f1b1a92a6de3cc79385d799316f
Signed-off-by: Dipen Patel <dipenp@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2287319
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
gpio: t186: save and restore GPIO state 2019-12-27T13:54:07+00:00 Shubhi Garg shgarg@nvidia.com 2019-12-16T06:32:53+00:00 028c9043b7dd8329f942fbef301f5410bc522acd GPIO pin should return to initial state after free in order to keep driver functionality intact. This will be achieved by saving GPIO state when requesting GPIO and restoring state after freeing it. Bug 2649500 Change-Id: I4a63c5936f8d10053fbf710ec75d0858086f8e22 Signed-off-by: Shubhi Garg <shgarg@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2263090 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
GPIO pin should return to initial state after free in order to keep
driver functionality intact. This will be achieved by saving GPIO
state when requesting GPIO and restoring state after freeing it.

Bug 2649500

Change-Id: I4a63c5936f8d10053fbf710ec75d0858086f8e22
Signed-off-by: Shubhi Garg <shgarg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2263090
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
gpio: t186: Add GTE support 2019-11-11T21:39:47+00:00 Abhijit abhijit@nvidia.com 2018-10-09T07:36:08+00:00 42cc266c96418292ea4ce42d0f2a98b1f9faf1bc Parker/Xavier SoC have GTE block (GPIO Timestamping Engine), which can be used to capture the TSC timestamp based on gpio interrupts or events. This patch adds support for Xavier GTE block and timestamping capture support. Bug 200554189 Change-Id: I6d6e0907e5d7ec47e24c2d3bb0fd7a2b55f825ca Signed-off-by: Abhijit <abhijit@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1922546 (cherry picked from commit 9932dac044ea8c86164d9124a76c06530122b46b) Reviewed-on: https://git-master.nvidia.com/r/2234893 GVS: Gerrit_Virtual_Submit Reviewed-by: Shubhi Garg <shgarg@nvidia.com> Tested-by: Shubhi Garg <shgarg@nvidia.com> Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
Parker/Xavier SoC have GTE block (GPIO Timestamping Engine), which can
be used to capture the TSC timestamp based on gpio interrupts or events.
This patch adds support for Xavier GTE block and timestamping capture
support.

Bug 200554189

Change-Id: I6d6e0907e5d7ec47e24c2d3bb0fd7a2b55f825ca
Signed-off-by: Abhijit <abhijit@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1922546
(cherry picked from commit 9932dac044ea8c86164d9124a76c06530122b46b)
Reviewed-on: https://git-master.nvidia.com/r/2234893
GVS: Gerrit_Virtual_Submit
Reviewed-by: Shubhi Garg <shgarg@nvidia.com>
Tested-by: Shubhi Garg <shgarg@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
gpio: tegra: Remove overwrite of control bit 2019-02-12T13:13:24+00:00 Mantravadi Karthik mkarthik@nvidia.com 2019-01-21T04:58:14+00:00 9d45426a77828ce7f627e306b3d985fa2ef7ac39 The output control value should be set to driven only while setting the direction to output and not required everytime a value is set. Bug 200478150 Change-Id: I7f15920551fd85e69ef8e87805114c90accd8401 Signed-off-by: Mantravadi Karthik <mkarthik@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1999878 (cherry picked from commit b616412ed34ed592fd76f20ef55249d38f8b5ef3) Signed-off-by: Jerry Chang <jerchang@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2000590 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Bibek Basu <bbasu@nvidia.com> Tested-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
The output control value should be set to driven only
while setting the direction to output and not required
everytime a value is set.

Bug 200478150

Change-Id: I7f15920551fd85e69ef8e87805114c90accd8401
Signed-off-by: Mantravadi Karthik <mkarthik@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1999878
(cherry picked from commit b616412ed34ed592fd76f20ef55249d38f8b5ef3)
Signed-off-by: Jerry Chang <jerchang@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2000590
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Tested-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
gpio: t186: Fix debounce programming. 2018-09-26T12:23:51+00:00 Vishwaroop va@nvidia.com 2018-09-26T05:22:38+00:00 ee4fa1c23ef4e76c877159f34be6b9bbd9ec1a3d The GPIO debounce bit is not set properly and due to this, we were experiencing a sError in T194. Fixed this issue by passing value shifted by bit position to tegra_gpio_update() function. Bug 200453361 Change-Id: I6fee20eec33a5fccaf99f65f3a62865575715cc8 Signed-off-by: Vishwaroop <va@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1846855 Reviewed-by: Manikanta Maddireddy <mmaddireddy@nvidia.com> Tested-by: Manikanta Maddireddy <mmaddireddy@nvidia.com> Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
The GPIO debounce bit is not set properly and due
to this, we were experiencing a sError in T194.
Fixed this issue by passing value shifted by bit
position to tegra_gpio_update() function.

Bug 200453361

Change-Id: I6fee20eec33a5fccaf99f65f3a62865575715cc8
Signed-off-by: Vishwaroop <va@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1846855
Reviewed-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Tested-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
gpio: tmpm32xi2c: Disable irq during suspended 2018-07-26T06:12:34+00:00 Jinyoung Park jinyoungp@nvidia.com 2018-07-25T16:00:30+00:00 6ebdbbdc3c5232837662029eb722f0a5b89fd9d3 Disabled irq during suspended since i2c transfer doesn't work. Bug 2286559 Change-Id: Iff0a4f80dcc3ce6f9717d821102b0a2a5da5357e Signed-off-by: Jinyoung Park <jinyoungp@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1785728 GVS: Gerrit_Virtual_Submit Reviewed-by: Sang-Hun Lee <sanlee@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
Disabled irq during suspended since i2c transfer doesn't work.

Bug 2286559

Change-Id: Iff0a4f80dcc3ce6f9717d821102b0a2a5da5357e
Signed-off-by: Jinyoung Park <jinyoungp@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1785728
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sang-Hun Lee <sanlee@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
gpio: t186: Use consistent debugfs name for AON GPIOs 2018-06-25T09:27:25+00:00 Jon Hunter jonathanh@nvidia.com 2018-06-21T11:10:21+00:00 80c19adfd464f6352a4427204100c46135419d13 The debugfs node for Tegra186 GPIO AON is called 'gpio-tegra-on' where as else in the driver the name 'gpio-tegra-aon' is used. Furthermore, on Tegra194 for the debugfs node is called 'gpio-tegra-aon' and not 'gpio-tegra-on' which means that there is a different name used between Tegra186 and Tegra194. For consistency update the debugfs node name for Tegra186 to be 'tegra-gpio-aon'. Please note that for L4T, the 'nvidia-bug-report-tegra.sh' script reads various debugfs nodes and so having a consistent name is necessary. Bug 2205787 Change-Id: I53a5deafdd72b1a8d43f50edd3ac39b4b5c101b0 Signed-off-by: Jon Hunter <jonathanh@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1756880 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: Stephen Warren <swarren@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
The debugfs node for Tegra186 GPIO AON is called 'gpio-tegra-on'
where as else in the driver the name 'gpio-tegra-aon' is used.
Furthermore, on Tegra194 for the debugfs node is called
'gpio-tegra-aon' and not 'gpio-tegra-on' which means that there
is a different name used between Tegra186 and Tegra194. For
consistency update the debugfs node name for Tegra186 to be
'tegra-gpio-aon'.

Please note that for L4T, the 'nvidia-bug-report-tegra.sh' script
reads various debugfs nodes and so having a consistent name is
necessary.

Bug 2205787

Change-Id: I53a5deafdd72b1a8d43f50edd3ac39b4b5c101b0
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1756880
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
gpio: t186: Move direction configuration out of irq unmask 2018-05-18T11:10:07+00:00 Laxman Dewangan ldewangan@nvidia.com 2018-05-04T13:16:00+00:00 c924c31351fd827346fefe8c7653cc89293da0af Configuring the pin direction via pin control interface is sleeping calls while irq_unmask is atomic call. Irq framework support the bus_lock()/bus_unlock() for sleeping calls. Move the configuration of pincontrol interface to the bus_unlock() while enabling the interrupt. Bug 200393267 Change-Id: I955a41f4fec8cd22768c02a493138d00ea4d8b3a Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1708455 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: Venkat Reddy Talla <vreddytalla@nvidia.com> Reviewed-by: Vishwaroop A <va@nvidia.com> Reviewed-by: Aniruddha Banerjee <aniruddhab@nvidia.com> Tested-by: Aniruddha Banerjee <aniruddhab@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
Configuring the pin direction via pin control interface is
sleeping calls while irq_unmask is atomic call.

Irq framework support the bus_lock()/bus_unlock() for sleeping
calls.

Move the configuration of pincontrol interface to the bus_unlock()
while enabling the interrupt.

Bug 200393267

Change-Id: I955a41f4fec8cd22768c02a493138d00ea4d8b3a
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1708455
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Venkat Reddy Talla <vreddytalla@nvidia.com>
Reviewed-by: Vishwaroop A <va@nvidia.com>
Reviewed-by: Aniruddha Banerjee <aniruddhab@nvidia.com>
Tested-by: Aniruddha Banerjee <aniruddhab@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
tmpm32xi2c: Add Toshiba MCU TMPM32x I2C driver 2018-05-04T11:32:56+00:00 Jinyoung Park jinyoungp@nvidia.com 2017-05-19T09:18:44+00:00 aebaece6326e6f98fcae2c407783273d259a8511 Added MFD core, GPIO expender and Power off drivers for Toshiba MCU TMPM32x I2C. Bug 1928059 Bug 200309618 Change-Id: I76d58511ad64a3eb13ba0b64df22583372c31e41 Signed-off-by: Jinyoung Park <jinyoungp@nvidia.com> Reviewed-on: http://git-master/r/1485846 Reviewed-by: Aniruddha Banerjee <aniruddhab@nvidia.com> Tested-by: Aniruddha Banerjee <aniruddhab@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Timo Alho <talho@nvidia.com> 
Added MFD core, GPIO expender and Power off drivers for
Toshiba MCU TMPM32x I2C.

Bug 1928059
Bug 200309618

Change-Id: I76d58511ad64a3eb13ba0b64df22583372c31e41
Signed-off-by: Jinyoung Park <jinyoungp@nvidia.com>
Reviewed-on: http://git-master/r/1485846
Reviewed-by: Aniruddha Banerjee <aniruddhab@nvidia.com>
Tested-by: Aniruddha Banerjee <aniruddhab@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Timo Alho <talho@nvidia.com>
tegra-gpio: replace set_debounce with set_config 2018-04-10T16:43:47+00:00 Aniruddha Banerjee aniruddhab@nvidia.com 2018-01-22T11:11:36+00:00 034d06a92329675300d88e0f0b7fb4a6be6fd23a The set_debouce API for GPIO has now been deprecated. Replace the set debounce API with the set_config API. Change-Id: I2aa7497d9eb99dde8d2c82ecfd40ecdfe0008d53 Signed-off-by: Aniruddha Banerjee <aniruddhab@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1643540 Reviewed-by: Rakesh Babu Bodla <rbodla@nvidia.com> Tested-by: Rakesh Babu Bodla <rbodla@nvidia.com> Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Bitan Biswas <bbiswas@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
The set_debouce API for GPIO has now been deprecated. Replace the set
debounce API with the set_config API.

Change-Id: I2aa7497d9eb99dde8d2c82ecfd40ecdfe0008d53
Signed-off-by: Aniruddha Banerjee <aniruddhab@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1643540
Reviewed-by: Rakesh Babu Bodla <rbodla@nvidia.com>
Tested-by: Rakesh Babu Bodla <rbodla@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>