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2021-12-03driver: soc: xilinx: register for power events in zynqmp power driverAbhyuday Godhasara1-1/+47
With Xilinx Event Management driver, all types of events like power and error gets handled from single place as part of event management driver. So power events(SUSPEND_POWER_REQUEST and SUSPEND_SYSTEM_SHUTDOWN) also gets handled by event management driver instead of zynqmp_power driver. zynqmp-power driver use event management driver and provide callback function for Suspend and shutdown handler, which will be called by event management driver when respective event is arrived. If event management driver is not available than use ipi-mailbox rx channel or IPI interrupt IRQ handler for power events (suspend/shutdown) same as current zynqmp-power driver. Acked-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> Signed-off-by: Abhyuday Godhasara <abhyuday.godhasara@xilinx.com> Link: https://lore.kernel.org/r/20211129070216.30253-4-abhyuday.godhasara@xilinx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-03drivers: soc: xilinx: add xilinx event management driverAbhyuday Godhasara3-0/+611
Xilinx event management driver provides an interface to subscribe or unsubscribe for the event/callback supported by firmware. An agent can use this driver to register for Error Event, Device Event and Suspend callback. This driver only allows one agent per event to do registration. Driver will return an error in case of multiple registration for the same event. This driver gets notification from firmware through TF-A as SGI. During initialization, event manager driver register handler for SGI used for notification. It also provides SGI number info to TF-A by using IOCTL_REGISTER_SGI call to TF-A. After receiving notification from firmware, the driver makes an SMC call to TF-A to get IPI data. From the IPI data provided by TF-A, event manager identified the cause of event and forward that event/callback notification to the respective subscribed driver. After this, in case of Error Event, driver performs unregistration as firmware expecting from agent to do re-registration if the agent wants to get notified on the second occurrence of an error event. Add new IOCTL id IOCTL_REGISTER_SGI = 25 which is used to register SGI on TF-A. Older firmware doesn't have all required support for event handling which is required by the event manager driver. So add check for the register notifier version in the event manager driver. Xilinx event management driver provides support to subscribe for multiple error events with the use of Event Mask in a single call of xlnx_register_event(). Agent driver can provide 'Event' parameter value as ORed of multiple event masks to register single callback for multiple events. For example, to register callback for event=0x1 and event=0x2 for the given node, agent can provide event=0x3 (0x1 | 0x2). It is not possible to register multiple events for different nodes in a single registration call. Also provide support to receive multiple error events as in single notification from firmware and then forward it to subscribed drivers via registered callback one by one. Acked-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Tejas Patel <tejas.patel@xilinx.com> Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> Signed-off-by: Abhyuday Godhasara <abhyuday.godhasara@xilinx.com> Link: https://lore.kernel.org/r/20211129070216.30253-2-abhyuday.godhasara@xilinx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-11-17firmware: xilinx: add macros of node ids for error eventAbhyuday Godhasara1-6/+0
Add macros for the Node-Id of Error events. Move supported api callback ids from zynqmp-power to zynqmp-firmware. Acked-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> Signed-off-by: Abhyuday Godhasara <abhyuday.godhasara@xilinx.com> Link: https://lore.kernel.org/r/20211026042525.26612-3-abhyuday.godhasara@xilinx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-02-08clk: xilinx: move xlnx_vcu clock driver from socMichael Tretter3-761/+0
The xlnx_vcu driver is actually a clock controller driver which provides clocks that can be used by a driver for the encoder/decoder units. There is no reason to keep this driver in soc. Move the driver to clk. NOTE: The register mapping actually contains registers for AXI performance monitoring, but these are not used by the driver. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Acked-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/20210121071659.1226489-16-m.tretter@pengutronix.de Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-08soc: xilinx: vcu: fix alignment to open parenthesisMichael Tretter1-1/+1
Fixes the following checkpatch check: CHECK: Alignment should match open parenthesis #610: FILE: drivers/soc/xilinx/xlnx_vcu.c:610: + xvcu->vcu_slcr_ba = devm_ioremap(&pdev->dev, res->start, + resource_size(res)); Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Acked-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/20210121071659.1226489-15-m.tretter@pengutronix.de Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-08soc: xilinx: vcu: fix repeated word the in commentMichael Tretter1-1/+1
Fixes the following checkpatch warning: WARNING: Possible repeated word: 'the' #703: FILE: drivers/soc/xilinx/xlnx_vcu.c:703: + /* Add the the Gasket isolation and put the VCU in reset. */ Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Acked-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/20210121071659.1226489-14-m.tretter@pengutronix.de Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-08soc: xilinx: vcu: use bitfields for register definitionMichael Tretter1-81/+34
This makes the register accesses more readable and is closer to what is usually used in the kernel. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Reviewed-by: Stephen Boyd <sboyd@kernel.org> Acked-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/20210121071659.1226489-13-m.tretter@pengutronix.de Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-08soc: xilinx: vcu: remove calculation of PLL configurationMichael Tretter1-117/+0
As the consumers are now responsible for setting the clock rate via clock framework, the clock rate is now calculated using round_rate and the driver does not need to calculate the clock rate beforehand. Remove the code that calculates the PLL configuration. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Acked-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/20210121071659.1226489-12-m.tretter@pengutronix.de Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-08soc: xilinx: vcu: make the PLL configurableMichael Tretter1-37/+103
Do not configure the PLL when probing the driver, but register the clock in the clock framework and do the configuration based on the respective callbacks. This is necessary to allow the consumers, i.e., encoder and decoder drivers, of the xlnx_vcu clock provider to set the clock rate and actually enable the clocks without relying on some pre-configuration. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Acked-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/20210121071659.1226489-11-m.tretter@pengutronix.de Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-08soc: xilinx: vcu: make pll post divider explicitMichael Tretter1-16/+36
According to the downstream driver documentation due to timing constraints the output divider of the PLL has to be set to 1/2. Add a helper function for that check instead of burying the code in one large setup function. The bit is undocumented and marked as reserved in the register reference. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Acked-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/20210121071659.1226489-10-m.tretter@pengutronix.de Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-08soc: xilinx: vcu: implement clock provider for output clocksMichael Tretter1-37/+160
The VCU System-Level Control uses an internal PLL to drive the core and MCU clock for the allegro encoder and decoder based on an external PL clock. In order be able to ensure that the clocks are enabled and to get their rate from other drivers, the module must implement a clock provider and register the clocks at the common clock framework. Other drivers are then able to access the clock via devicetree bindings. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Acked-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/20210121071659.1226489-9-m.tretter@pengutronix.de Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-08soc: xilinx: vcu: register PLL as fixed rate clockMichael Tretter2-2/+19
Currently, xvcu_pll_set_rate configures the PLL to a clock rate that is pre-calculated when probing the driver. To still make the clock framework aware of the PLL and to allow to configure other clocks based on the PLL rate, register the PLL as a fixed rate clock. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Acked-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/20210121071659.1226489-8-m.tretter@pengutronix.de Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-08soc: xilinx: vcu: implement PLL disableMichael Tretter1-9/+19
The disabling of the PLL is not fully implemented, because according to the ZynqMP register reference the RESET, POR_IN and PWR_POR bits have to be set to bring the PLL into reset. Set the bits to disable the PLL. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Acked-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/20210121071659.1226489-7-m.tretter@pengutronix.de Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-08soc: xilinx: vcu: add helpers for configuring PLLMichael Tretter1-67/+104
The xvcu_set_vcu_pll_info function sets the rate of the PLL and enables it, which makes it difficult to cleanly convert the driver to the common clock framework. Split the function and add separate functions for setting the rate, enabling the clock and disabling the clock. Also move the enable of the reference clock from probe to the helper that enables the PLL. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Acked-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/20210121071659.1226489-6-m.tretter@pengutronix.de Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-08soc: xilinx: vcu: add helper to wait for PLL lockedMichael Tretter1-19/+27
Extract a helper function to wait until the PLL is locked. Also, disabling the bypass was buried in the exit path on the wait loop. Separate the different steps and add a helper function to make the code more readable. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Acked-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/20210121071659.1226489-5-m.tretter@pengutronix.de Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2021-02-08soc: xilinx: vcu: drop coreclk from struct xlnx_vcuMichael Tretter1-4/+2
The coreclk field is newer read after being written to xlnx_vcu. Remove the coreclk field from the xlnx_vcu and use a function local variable instead. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Acked-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/20210121071659.1226489-4-m.tretter@pengutronix.de Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-12-09soc: xilinx: vcu: use vcu-settings syscon registersMichael Tretter2-47/+48
Switch the "logicoreip" registers to the new xlnx,vcu-settings binding to be able to read the settings if the settings are specified in a separate device tree node that is shared with other drivers. If the driver is not able to find a node with the new binding, fall back to check for the logicore register bank to be backwards compatible. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Reviewed-by: Hyun Kwon <hyun.kwon@xilinx.com> Link: https://lore.kernel.org/r/20201109134818.4159342-4-m.tretter@pengutronix.de Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-12-09soc: xilinx: vcu: drop useless success messageMichael Tretter1-2/+0
The message that the driver was successfully probed only adds useless noise. Drop the message. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Reviewed-by: Hyun Kwon <hyun.kwon@xilinx.com> Link: https://lore.kernel.org/r/20201109134818.4159342-2-m.tretter@pengutronix.de Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-06-18soc: xilinx: Fix error code in zynqmp_pm_probe()Dan Carpenter1-1/+1
This should be returning PTR_ERR() but it returns IS_ERR() instead. Fixes: ffdbae28d9d1 ("drivers: soc: xilinx: Use mailbox IPI callback") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/20200605110020.GA978434@mwanda
2020-04-28firmware: xilinx: Remove eemi ops for set_requirementRajan Vaja1-14/+2
Use direct function call instead of using eemi ops for set_requirement. Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> Signed-off-by: Jolly Shah <jolly.shah@xilinx.com> Link: https://lore.kernel.org/r/1587761887-4279-19-git-send-email-jolly.shah@xilinx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-28firmware: xilinx: Remove eemi ops for release_nodeRajan Vaja1-4/+1
Use direct function call instead of using eemi ops for release_node. Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> Signed-off-by: Jolly Shah <jolly.shah@xilinx.com> Link: https://lore.kernel.org/r/1587761887-4279-18-git-send-email-jolly.shah@xilinx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-28firmware: xilinx: Remove eemi ops for request_nodeRajan Vaja1-4/+1
Use direct function call instead of using eemi ops for request_node. Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> Signed-off-by: Jolly Shah <jolly.shah@xilinx.com> Link: https://lore.kernel.org/r/1587761887-4279-17-git-send-email-jolly.shah@xilinx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-28firmware: xilinx: Remove eemi ops for set_suspend_modeRajan Vaja1-5/+1
Use direct function call instead of eemi ops for set_suspend_mode. Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> Signed-off-by: Jolly Shah <jolly.shah@xilinx.com> Link: https://lore.kernel.org/r/1587761887-4279-16-git-send-email-jolly.shah@xilinx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-28firmware: xilinx: Remove eemi ops for init_finalizeRajan Vaja1-8/+1
Use direct function call instead of eemi ops for init_finalize. Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> Signed-off-by: Jolly Shah <jolly.shah@xilinx.com> Link: https://lore.kernel.org/r/1587761887-4279-15-git-send-email-jolly.shah@xilinx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-28firmware: xilinx: Remove eemi ops for get_api_versionRajan Vaja1-2/+2
Use direct function calls instead of using eemi ops. So remove eemi ops for get_api_version and use direct function call. Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> Signed-off-by: Jolly Shah <jolly.shah@xilinx.com> Link: https://lore.kernel.org/r/1587761887-4279-2-git-send-email-jolly.shah@xilinx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-15drivers: soc: xilinx: fix firmware driver Kconfig dependencyArnd Bergmann1-2/+2
The firmware driver is optional, but the power driver depends on it, which needs to be reflected in Kconfig to avoid link errors: aarch64-linux-ld: drivers/soc/xilinx/zynqmp_power.o: in function `zynqmp_pm_isr': zynqmp_power.c:(.text+0x284): undefined reference to `zynqmp_pm_invoke_fn' The firmware driver can probably be allowed for compile-testing as well, so it's best to drop the dependency on the ZYNQ platform here and allow building as long as the firmware code is built-in. Fixes: ab272643d723 ("drivers: soc: xilinx: Add ZynqMP PM driver") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20200408155224.2070880-1-arnd@arndb.de Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-02-08Merge tag 'armsoc-drivers' of ↵Linus Torvalds2-14/+112
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM SoC-related driver updates from Olof Johansson: "Various driver updates for platforms: - Nvidia: Fuse support for Tegra194, continued memory controller pieces for Tegra30 - NXP/FSL: Refactorings of QuickEngine drivers to support ARM/ARM64/PPC - NXP/FSL: i.MX8MP SoC driver pieces - TI Keystone: ring accelerator driver - Qualcomm: SCM driver cleanup/refactoring + support for new SoCs. - Xilinx ZynqMP: feature checking interface for firmware. Mailbox communication for power management - Overall support patch set for cpuidle on more complex hierarchies (PSCI-based) and misc cleanups, refactorings of Marvell, TI, other platforms" * tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (166 commits) drivers: soc: xilinx: Use mailbox IPI callback dt-bindings: power: reset: xilinx: Add bindings for ipi mailbox drivers: soc: ti: knav_qmss_queue: Pass lockdep expression to RCU lists MAINTAINERS: Add brcmstb PCIe controller entry soc/tegra: fuse: Unmap registers once they are not needed anymore soc/tegra: fuse: Correct straps' address for older Tegra124 device trees soc/tegra: fuse: Warn if straps are not ready soc/tegra: fuse: Cache values of straps and Chip ID registers memory: tegra30-emc: Correct error message for timed out auto calibration memory: tegra30-emc: Firm up hardware programming sequence memory: tegra30-emc: Firm up suspend/resume sequence soc/tegra: regulators: Do nothing if voltage is unchanged memory: tegra: Correct reset value of xusb_hostr soc/tegra: fuse: Add APB DMA dependency for Tegra20 bus: tegra-aconnect: Remove PM_CLK dependency dt-bindings: mediatek: add MT6765 power dt-bindings soc: mediatek: cmdq: delete not used define memory: tegra: Add support for the Tegra194 memory controller memory: tegra: Only include support for enabled SoCs memory: tegra: Support DVFS on Tegra186 and later ...
2020-01-21drivers: soc: xilinx: Use mailbox IPI callbackTejas Patel2-14/+112
Add support for init suspend callback through mailbox IPI callback. Signed-off-by: Tejas Patel <tejas.patel@xilinx.com> Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-01-06remove ioremap_nocache and devm_ioremap_nocacheChristoph Hellwig1-2/+2
ioremap has provided non-cached semantics by default since the Linux 2.6 days, so remove the additional ioremap_nocache interface. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
2019-10-16soc: xilinx: Set CAP_UNUSABLE requirement for versal while powering down domainTejas Patel1-2/+8
For "0" requirement which is used to inform firmware that device is not required currently by master, Versal PLM (Platform Loader and Manager) which runs on Platform Management Controller and is responsible platform management of devices that disables clock, power it down and reset the device. genpd_power_off() is being called during runtime suspend also. So, if any device goes to runtime suspend state during resumes it needs to be re-initialized again. It is possible that drivers do not reinitialize device upon resume from runtime suspend every time ans so dont want it to be powered down or get reset during runtime suspend. In Versal PLM new PM_CAP_UNUSABLE capability is added, which disables clock only and avoids power down and reset during runtime suspend. Power and reset will be gated with core suspend.So, this patch sets CAPABILITY_UNUSABLE requirement during gpd_power_off() if platform is other than zynqmp. Signed-off-by: Tejas Patel <tejas.patel@xilinx.com> Signed-off-by: Jolly Shah <jolly.shah@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2019-03-18drivers: Defer probe if firmware is not readyRajan Vaja2-12/+16
Driver needs ZynqMP firmware interface to call EEMI APIs. In case firmware is not ready, dependent drivers should wait until the firmware is ready. Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> Signed-off-by: Jolly Shah <jollys@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2019-02-12drivers: soc: xilinx: Add ZynqMP power domain driverJolly Shah3-0/+331
The zynqmp-genpd driver communicates the usage requirements for logical power domains / devices to the platform FW. FW is responsible for choosing appropriate power states, taking Linux' usage information into account. Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> Signed-off-by: Jolly Shah <jolly.shah@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2019-02-12drivers: soc: xilinx: Add ZynqMP PM driverRajan Vaja3-0/+190
Add ZynqMP PM driver. PM driver provides power management support for ZynqMP. Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> Signed-off-by: Jolly Shah <jolly.shah@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2018-01-16soc: xilinx: Fix Kconfig alignmentMichal Simek1-10/+10
Tabs should be used for alignment instead of spaces. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2018-01-16soc: xilinx: xlnx_vcu: Use bitwise & rather than logical && on clkoutdivGustavo A. R. Silva1-1/+1
Currently clkoutdiv is being operated on by a logical && operator rather than a bitwise & operator. This looks incorrect as these should be bit flag operations. Addresses-Coverity-ID: 1463959 ("Logical vs. bitwise operator") Fixes: cee8113a295a ("soc: xilinx: xlnx_vcu: Add Xilinx ZYNQMP VCU logicoreIP init driver") Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> Acked-by: Dhaval Shah <dshah@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2018-01-16soc: xilinx: xlnx_vcu: Depends on HAS_IOMEM for xlnx_vcuDhaval Shah1-0/+1
xlnx_vcu driver uses devm_ioremap_nocache, which is included only when HAS_IOMEM is enabled. drivers/soc/xilinx/xlnx_vcu.o: In function `xvcu_probe': xlnx_vcu.c:(.text+0x116): undefined reference to `devm_ioremap_nocache' xlnx_vcu.c:(.text+0x1ae): undefined reference to `devm_ioremap_nocache' Signed-off-by: Dhaval Shah <dshah@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2018-01-08soc: xilinx: xlnx_vcu: Add Xilinx ZYNQMP VCU logicoreIP init driverDhaval Shah3-0/+646
Xilinx ZYNQMP logicoreIP Init driver is based on the new LogiCoreIP design created. This driver provides the processing system and programmable logic isolation. Set the frequency based on the clock information get from the logicoreIP register set. Signed-off-by: Dhaval Shah <dshah@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2018-01-08soc: xilinx: Create folder structure for soc specific driversMichal Simek2-0/+5
Create directory structure with Makefile/Kconfig for adding xilinx soc specific drivers. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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