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path: root/drivers/clk/clk_versal.c
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2025-03-03clk: versal: Store driver data in data sectionPadmarao Begari
Line 171 in README is describing that before relocation no code should use global variable because global variables are placed to BSS section which is initialized to 0 after relocation. On Versal platforms clock driver is initialized before relocation (via using dm,bootph-all flag in DT) and global variables are initialized which works if this is used only before relocation. But the variables are used after relocation too but values are zeroed which is ending up incorrect behavior. That's why place variables to data section to ensure that values are not cleared which is for now the quickest temporary solution. The correct way to do it is to move all global variables to private data to avoid it. Signed-off-by: Padmarao Begari <padmarao.begari@amd.com> Link: https://lore.kernel.org/r/20250218052419.1141139-1-padmarao.begari@amd.com Signed-off-by: Michal Simek <michal.simek@amd.com>
2025-03-03clk: versal: Update the reference clocks as per bindingsVenkatesh Yadav Abbarapu
As per the bindings the reference clocks naming has changed from "pl_alt_ref_clk" to "pl_alt_ref" and "ref_clk" to "ref". Update the same in the clock driver. Also add the fallback option for older DT bindings. Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@amd.com> Link: https://lore.kernel.org/r/20250206091533.1447234-1-venkatesh.abbarapu@amd.com Signed-off-by: Michal Simek <michal.simek@amd.com>
2024-05-20Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"Tom Rini
As part of bringing the master branch back in to next, we need to allow for all of these changes to exist here. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
2024-05-19Revert "Merge patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet""Tom Rini
When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"' I failed to notice that b4 noticed it was based on next and so took that as the base commit and merged that part of next to master. This reverts commit c8ffd1356d42223cbb8c86280a083cc3c93e6426, reversing changes made to 2ee6f3a5f7550de3599faef9704e166e5dcace35. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
2024-05-07clk: Remove <common.h> and add needed includesTom Rini
Remove <common.h> from this driver directory and when needed add missing include files directly. Signed-off-by: Tom Rini <trini@konsulko.com>
2023-12-15clk: treewide: switch to clock dump from clk_opsIgor Prusov
Switch to using new dump operation in clock provider drivers instead of overriding soc_clk_dump. Tested-by: Patrice Chotard <patrice.chotard@foss.st.com> Reviewed-by: Sean Anderson <seanga2@gmail.com> Signed-off-by: Igor Prusov <ivprusov@sberdevices.ru> Link: https://lore.kernel.org/r/20231109105516.24892-8-ivprusov@sberdevices.ru
2023-10-09Revert "clk: versal: Enable clock driver for Versal NET"Michal Simek
This partially reverts commit ff33227819f579ffb963e0dac6bc6a6566b89563. Versal NET clock node should use "xlnx,versal-net-clk", "xlnx,versal-clk" compatible string that's why it is not necessary to define Versal NET specific compatible string if there is no any other change needed. It can be get back if there is a need to differentiate clock support between Versal and Versal NET. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/c09276022db5f1b150679cc7a9f9583363ace2fb.1695808971.git.michal.simek@amd.com
2023-09-21clk: versal: Fix the function versal_clock_refVenkatesh Yadav Abbarapu
For reference clocks, PM_CLK_GET_PARENT call is not allowed. PM_CLK_GET_PARENT only allowed for MUX clocks. Rename the versal_clock_ref() with versal_clock_get_ref_rate() for better readability. Fix the versal_clock_get_ref_rate function by passing the parent_id, and check whether the parent_id belongs to ref_clk or pl_alt_ref_clk. Also adding the function versal_clock_get_fixed_factor_rate() if the clk_id belongs to the fixed factor clock. Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@amd.com> Link: https://lore.kernel.org/r/20230912033055.2549-1-venkatesh.abbarapu@amd.com Signed-off-by: Michal Simek <michal.simek@amd.com>
2023-07-21arm64: zynqmp: Switch to amd.com emailsMichal Simek
Update my and DPs email address to match current setup. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/aba5b19b9c5a95608829e86ad5cc4671c940f1bb.1688992543.git.michal.simek@amd.com
2023-01-16clk: versal: Return error in case if clock setup failedJay Buddhabhatti
Currently probe is getting success even if clock setup is failed because of that u-boot is trying to access invalid clocks. So return error if clock setup failed. Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@xilinx.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/fa78e71211e5f68f8dc1353b357f96e6283f65a8.1673335422.git.michal.simek@amd.com
2022-10-10clk: versal: Mark versal_clock_setup() as staticVenkatesh Yadav Abbarapu
Fix the following sparse and compile time warning triggered with W=1: drivers/clk/clk_versal.c:605:5: warning: no previous prototype for 'versal_clock_setup' [-Wmissing-prototypes] 605 | int versal_clock_setup(void) Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@amd.com> Link: https://lore.kernel.org/r/20221007105535.31902-1-venkatesh.abbarapu@amd.com Signed-off-by: Michal Simek <michal.simek@amd.com>
2022-09-26clk: versal: Enable clock driver for Versal NETJay Buddhabhatti
Add support for Versal NET compatible string in clock driver. Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/20a35d0c1ffcc222fbe93dd406cdd0aff92f5223.1663589964.git.michal.simek@amd.com
2021-09-30clk: versal: Enable only GATE type clocksT Karthik Reddy
Clocks should be enabled or disabled only if they are of GATE type clocks. If they are not of GATE type clocks, don't touch them. Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com> Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com> Link: https://lore.kernel.org/r/1632808827-6109-1-git-send-email-ashok.reddy.soma@xilinx.com Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-02-23clk: versal: Add support to enable clocksT Karthik Reddy
Add clock enable functionality in versal clock driver to enable clocks from peripheral drivers using clk_ops. Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-12-13dm: treewide: Rename auto_alloc_size members to be shorterSimon Glass
This construct is quite long-winded. In earlier days it made some sense since auto-allocation was a strange concept. But with driver model now used pretty universally, we can shorten this to 'auto'. This reduces verbosity and makes it easier to read. Coincidentally it also ensures that every declaration is on one line, thus making dtoc's job easier. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-08-20clk: versal: Move pm_query_id out of clock driverMichal Simek
There is no reason to have firmware specific structure in clock driver. Move it to generic location and also initialize enum values which is based on https://lore.kernel.org/linux-arm-kernel/20200318125003.GA2727094@kroah.com/ recommended way to go to make sure that values guaranteed by compiler. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-06-24clk: versal: Remove alt_ref_clk from clock sourcesRajan Vaja
alt_ref_clk is applicable only for PS extended version. For PS base version there is no separate alt_ref_clk. It is tied with ref_clk, so remove it from driver. Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-05-18common: Drop asm/ptrace.h from common headerSimon Glass
Move this uncommon header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-05-18common: Drop log.h from common headerSimon Glass
Move this header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-05-18common: Drop net.h from common headerSimon Glass
Move this header out of the common header. Network support is used in quite a few places but it still does not warrant blanket inclusion. Note that this net.h header itself has quite a lot in it. It could be split into the driver-mode support, functions, structures, checksumming, etc. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-04-27clk: versal: Fix watchdog clock issueT Karthik Reddy
Enable mux based clocks to populate LPD_LSBUS clock to xilinx_wwdt driver. Skip reading clock rate for the mux based clocks with parent clock id is zero. Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com> Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
2020-02-28versal: drivers: clk: Fix invalid clock name queriesRajan Vaja
The clock driver makes EEMI call to get the name of invalid clk when executing versal_get_clock_info() function. This results in error messages. Added check for validating clock before saving clock attribute and calling versal_pm_clock_get_name() in versal_get_clock_info() function. Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-02-05dm: core: Create a new header file for 'compat' featuresSimon Glass
At present dm/device.h includes the linux-compatible features. This requires including linux/compat.h which in turn includes a lot of headers. One of these is malloc.h which we thus end up including in every file in U-Boot. Apart from the inefficiency of this, it is problematic for sandbox which needs to use the system malloc() in some files. Move the compatibility features into a separate header file. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-02-05dm: core: Require users of devres to include the headerSimon Glass
At present devres.h is included in all files that include dm.h but few make use of it. Also this pulls in linux/compat which adds several more headers. Drop the automatic inclusion and require files to include devres themselves. This provides a good indication of which files use devres. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Anatolij Gustschin <agust@denx.de>
2019-10-24arm64: versal: Rename versal_pm_request to xilinx_pm_requestMichal Simek
Use generic name instead of Versal specific because this should be also used on ZynqMP. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2019-10-24arm64: versal: Clean pm_api_id usageMichal Simek
Copy enum values from platform code to firmware code. IDs are shared between ZynqMP and Versal. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2019-10-08clk: versal: Add clock driver supportSiva Durga Prasad Paladugu
This patch adds clock driver support for Versal platform. The clock driver queries and performs clock operations using PLM firmware by communicating with it using SMC calls. Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
generated by cgit v1.2.3 (git 2.0.4) at 2025-08-06 19:55:55 +0000