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2026-01-06arm64: zynqmp: Remove ina260 IIO descriptionMichal Simek5-30/+0
Kernel has only hwmon driver that's why there is no reason to wire iio to hwmon converter which was describing out of tree ina260 IIO. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/7e57f76deca9e73be3fcb914aed119f567c9bf8a.1765785722.git.michal.simek@amd.com
2026-01-06arm64: dts: xilinx: Drop "label" property on dlg,slg7xl45106Rob Herring (Arm)3-3/+0
The "label" property is not documented for the dlg,slg7xl45106. Nor is it common to use for GPIO controllers. So drop it. Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/20251216175914.2791200-1-robh@kernel.org
2025-12-15Revert "arm64: zynqmp: Add an OP-TEE node to the device tree"Tomas Melin1-5/+0
This reverts commit 06d22ed6b6635b17551f386b50bb5aaff9b75fbe. OP-TEE logic in U-Boot automatically injects a reserved-memory node along with optee firmware node to kernel device tree. The injection logic is dependent on that there is no manually defined optee node. Having the node in zynqmp.dtsi effectively breaks OP-TEE's insertion of the reserved-memory node, causing memory access violations during runtime. Signed-off-by: Tomas Melin <tomas.melin@vaisala.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/20251125-revert-zynqmp-optee-v1-1-d2ce4c0fcaf6@vaisala.com
2025-12-15arm64: dts: xilinx: fix zynqmp opp-table-cpuNeal Frager2-9/+9
Since the following commit, the zynqmp clk driver uses the common divider_round_rate() when determining the appropriate clock divider for a requested clock frequency: https://github.com/torvalds/linux/commit/1fe15be1fb613534ecbac5f8c3f8744f757d237d This means that all the calculations will be in kHz when determining the appropriate clock divider for a given cpufreq request. The problem with this is that the zynqmp.dtsi and zynqmp-clk-ccf.dtsi files have frequency definitions in Hz, so when dividing requested values in kHz, errors can occur with the rounding. For example, the current pss_ref_clk frequency is 33333333 Hz which generates a cpufreq parent clock frequency of 1199999988 Hz which is the same as the highest opp-table-cpu frequency in the zynqmp.dtsi. But if a user requests the value 1199999 kHz as recommended in the available frequencies: root@zynqmp:/sys/kernel/tracing# cat /sys/devices/system/cpu/cpufreq/policy0/scaling_available_frequencies 299999 399999 599999 1199999 root@zynqmp:/ # echo 1199999 > /sys/devices/system/cpu/cpufreq/policy0/scaling_setspeed The calculation will be: 1199999988 / 1199999000 = 1.000001 This will get rounded up to a divider value of 2 giving the following result. root@zynqmp:/ # cat /sys/devices/system/cpu/cpufreq/policy0/cpuinfo_cur_freq 599999 Also, if a user tries to work around this calculation by using any larger values, it still will not fix the problem because the driver will use the largest opp in kHz which leads to the same calculation error. User requests 1200000 root@zynqmp:/ # echo 1200000 > /sys/devices/system/cpu/cpufreq/policy0/scaling_setspeed Driver converts any value greater than 1199999 to the largest opp which is 1199999 and then calculates the divider value with the same calculation. The calculation will still be: 1199999988 / 1199999000 = 1.000001 This will get rounded up to a divider value of 2 giving the following result. root@zynqmp:/ # cat /sys/devices/system/cpu/cpufreq/policy0/cpuinfo_cur_freq 599999 This means there is no way to configure the zynqmp for the fastest opp using the current dtsi files. To fix this issue, this patch updates the zynqmp opp-table-cpu and pss_ref_clk, so the clock rates are calculated correctly. root@zynqmp:/sys/kernel/tracing# cat /sys/devices/system/cpu/cpufreq/policy0/scaling_available_frequencies 300000 400000 600000 1200000 root@zynqmp:/ # echo 1200000 > /sys/devices/system/cpu/cpufreq/policy0/scaling_setspeed root@zynqmp:/ # cat /sys/devices/system/cpu/cpufreq/policy0/cpuinfo_cur_freq 1200000 Signed-off-by: Neal Frager <neal.frager@amd.com> Acked-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/20251111070555.1169130-1-neal.frager@amd.com
2025-12-15arm64: dts: xilinx: add soc-specific spi compatibles for zynqmp/versal-netConor Dooley2-4/+4
Unlike zynq, which has a specific compatible for the Cadence spi controller, zynqmp and versal-net do not have specific compatibles. In order to "encourage" people to use soc-specific compatibles for new devices using this IP, add specific compatibles for these devices, with a fallback to the existing compatible for the r1p6 version of the IP so that there will be no functional change. Signed-off-by: Conor Dooley <conor.dooley@microchip.com> Acked-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/20251001-cheesy-shucking-c55431bbcae3@spud Signed-off-by: Michal Simek <michal.simek@amd.com>
2025-09-10arm64: versal-net: Describe L1/L2/L3/LLC cachesMichal Simek1-0/+408
Add missing cache layout description. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/f740bf2d0af1e7e50d76196ec050c0fdbeceb049.1757338426.git.michal.simek@amd.com
2025-09-10arm64: zynqmp: Enable DP in kr260/kv260 revAMichal Simek2-0/+34
Enable DP output in both CC (Carrier Cards). Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/3160658ea2c4dd09a1d68918271177cf55437a8f.1756799774.git.michal.simek@amd.com
2025-09-10arm64: zynqmp: Describe ethernet controllers via aliases on SOMMichal Simek3-0/+13
Add ethernet aliases to CC (Carrier card) description to create a connection which is used by U-BOOT (fdt_fixup_ethernet()) for updating local-mac-address in DT. On Kria SOM MAC address is read from i2c eeprom at start and based on it environment variables are created. Without creating aliases U-Boot is not able to inject local-mac-address DT property and OS won't get the same MAC address unless another i2c read is happening in OS. Also aliases are using string not phandle (because of dtso) that's why full path has to be provided but that shouldn't be a big issue because location of ethernet controller is fixed. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/72304150f87fd5e3338e31e2be8cf5d29955cc02.1756799774.git.michal.simek@amd.com
2025-09-10arm64: zynqmp: Revert usb node drive strength and slew rate for zcu106Radhey Shyam Pandey1-2/+2
On a few zcu106 boards USB devices (Dell MS116 USB Optical Mouse, Dell USB Entry Keyboard) are not enumerated on linux boot due to commit 'b8745e7eb488 ("arm64: zynqmp: Fix usb node drive strength and slew rate")'. To fix it as a workaround revert to working version and then investigate at board level why drive strength from 12mA to 4mA and slew from fast to slow is not working. Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/85a70cb014ec1f07972fccb60b875596eeaa6b5c.1756799774.git.michal.simek@amd.com
2025-09-10arm64: zynqmp: Disable coresight by defaultQuanyang Wang1-0/+4
When secure-boot mode of bootloader is enabled, the registers of coresight are not permitted to access that's why disable it by default. Signed-off-by: Quanyang Wang <quanyang.wang@windriver.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/7e308b8efe977c4912079b4d1b1ab3d24908559e.1756799774.git.michal.simek@amd.com
2025-08-29arm64: zynqmp: Add support for kd240 boardMichal Simek4-0/+449
The kit is using k24 SOM by default and it is used for motor control and DSP applications. K24 SOM is also possible to used with kv260 and kr260 CC which are also wired in Makefile. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/05ff505c6b6517e3aba983a21454c568c5e86389.1752837842.git.michal.simek@amd.com
2025-08-29arm64: zynqmp: Add support for kr260 boardMichal Simek3-0/+898
The kit based on K26 SOM is built for robotics and industrial application. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/650ff5407528b8a90867ff1ac072b4112c91c866.1752837842.git.michal.simek@amd.com
2025-08-29arm64: zynqmp: Enable PSCI 1.0Michal Simek1-1/+1
TF-A is using PSCI 1.0 version for quite a long time but it was never reflected in DT. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/32be8050838512d4340486227c32f38298ddde57.1752839409.git.michal.simek@amd.com
2025-08-29arm64: zynqmp: Enable DP for zcu100, zcu102, zcu104, zcu111Rohit Visavalia5-0/+90
Upstream DP DT binding enforcing dp-connector and port description to operate properly. Signed-off-by: Rohit Visavalia <rohit.visavalia@amd.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/0ac8df0c942ed9068e0b60a840fee6b9f7df2293.1752835502.git.michal.simek@amd.com
2025-08-29arm64: zynqmp: Introduce DP port labelsMichal Simek3-18/+14
Describe every port by unique label for easier wiring with DT overlays. And also labels help to describe which port is used for what. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/99ec1532d0cce877b1d365ede9bd15a909706637.1752835502.git.michal.simek@amd.com
2025-08-29arm64: zynqmp: Fix pwm-fan polarityVishal Patel1-2/+2
The correct operating mode for the fan is inversed (1). The previous pwm driver implementation had a bug and the polarity information was propagated incorrectly to the kernel. The normal (0) polarity specified in the device tree was incorrectly clearing the polarity bit in the counter control register. After the bug fix, setting the polarity to inversed (1) in the device tree will clear the polarity bit. Also provide label for custom description based on this SOM. Signed-off-by: Vishal Patel <vishal.patel@amd.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/e6dc9ce1e0b97c9d9b073c323cc94a5d7a88b94a.1752835502.git.michal.simek@amd.com
2025-08-29arm64: zynqmp: Update the usb5744 hub node as per bindingVenkatesh Yadav Abbarapu2-2/+42
Updating the usb5744 hub node as per the latest upstream DT binding. Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@amd.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/564a09b84dfdce1e54c93e95f9156150e05b8f43.1752835502.git.michal.simek@amd.com
2025-08-29arm64: zynqmp: Add cap-mmc-hw-reset and no-sd, no-sdio property to eMMCPaul Alvin2-0/+6
Add "cap-mmc-hw-reset" property to the eMMC DT node to perform the eMMC device hardware reset. Also, add "no-sd", "no-sdio" properties to eMMC DT node to skip unwanted sd, sdio related commands during initialization for eMMC device as this may lead to unnecessary register dump. Signed-off-by: Paul Alvin <alvin.paulp@amd.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/10132834c0509539b0d01ff5097591cd2e3ae125.1752835501.git.michal.simek@amd.com
2025-08-29arm64: zynqmp: Remove undocumented arasan,has-mdma propertyMichal Simek2-2/+0
arasan,has-mdma is not described in DT binding that's why remove it. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/6567a0855ad73b5ff01d9945063014fbacdcc845.1752835501.git.michal.simek@amd.com
2025-08-29arm64: zynqmp: Use generic spi@ name in zcu111-revAMichal Simek1-1/+1
DT schema requires to use spi@ name for SPI devices that's why fix it. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/95979240cf09929c81a6f74199b0cb7027dd8798.1752835501.git.michal.simek@amd.com
2025-08-29arm64: versal-net: Update rtc calibration valueHarini T1-1/+1
As per the design specification "The 16-bit Seconds Calibration Value represents the number of Oscillator Ticks that are required to measure the largest time period that is less than or equal to 1 second. For an oscillator that is 32.768kHz, this value will be 0x7FFF." Signed-off-by: Harini T <harini.t@amd.com> Link: https://lore.kernel.org/r/20250710061309.25601-1-harini.t@amd.com Signed-off-by: Michal Simek <michal.simek@amd.com>
2025-02-21arm64: zynqmp: Use DT header for firmware constantsMichal Simek2-1/+127
Firmware contants do not fit the purpose of bindings because they are not independent IDs for abstractions. They are more or less just contants which better to wire via header with DT which is using it. That's why copy header to platform folder (align macro) and use it locally. Acked-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/c3f011812597f4c3095448726f5924b2334c7da1.1738600745.git.michal.simek@amd.com
2025-02-17arm64: versal-net: Add description for b2197-00 revA boardMichal Simek4-0/+1101
Add description for VN-X board. The board is using Versal NET SoC which has 16 a78 cores with additional IPs. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/1b23d64107220f5b48fc77ba28c5e59a20d83600.1738657826.git.michal.simek@amd.com
2025-02-03arm64: zynqmp: add clock-output-names property in clock nodesNaman Trivedi1-5/+10
Add clock-output-names property to clock nodes, so that the resulting clock name do not change when clock node name is changed. Also, replace underscores with hyphens in the clock node names as per dt-schema rule. Signed-off-by: Naman Trivedi <naman.trivedimanojbhai@amd.com> Acked-by: Senthil Nathan Thangaraj <senthilnathan.thangaraj@amd.com> Link: https://lore.kernel.org/r/20241122095712.1166883-1-naman.trivedimanojbhai@amd.com Signed-off-by: Michal Simek <michal.simek@amd.com>
2024-12-19arm64: dts: zynqmp: Add DMA for DP audioTomi Valkeinen1-2/+5
Add the two DMA channels used for the DisplayPort audio to the zynqmp_dpsub node. Acked-by: Michal Simek <michal.simek@amd.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241023-xilinx-dp-audio-v4-2-5128881457be@ideasonboard.com
2024-10-02arm64: zynqmp: Add thermal zonesSean Anderson1-0/+86
Add some thermal trip points. We can't undervolt the CPUs to save power when we underclock them, so there isn't really a point in throttling them until we are about to overheat. As such, the passive trip point is right below the critical trip point. The critical trip point is the extended/industrial-grade maximum junction temperature of 100C minus the maximum temperature sensor error of 3.5C (in the range -55C to 110C). Automotive- and military-grade parts can go up to 125C, but as far as I can tell there is no way to detect them at runtime. Userspace can adjust the trip points at runtime, but this may not be viable when booting above 100C. I think it's reasonable to ask automotive/military users to edit their device trees to bump the trip points, but if that proves to be an issue we can always go with no default temperatures. However, that wouldn't be too nice for the majority of extended/industrial users. Signed-off-by: Sean Anderson <sean.anderson@linux.dev> Link: https://lore.kernel.org/r/20240812215129.3599832-4-sean.anderson@linux.dev Signed-off-by: Michal Simek <michal.simek@amd.com>
2024-10-02arm64: zynqmp: Expose AMS to userspace as HWMONSean Anderson2-14/+14
Expose the AMS to userspace, allowing monitoring of internal voltages and temperatures. For compatibility, we keep the node name the same as on the SM-K26, and we keep the ZCU100 Rev C. around (since it is named differently). Signed-off-by: Sean Anderson <sean.anderson@linux.dev> Link: https://lore.kernel.org/r/20240812215129.3599832-3-sean.anderson@linux.dev Signed-off-by: Michal Simek <michal.simek@amd.com>
2024-10-02arm64: zynqmp: Enable AMS for all boardsSean Anderson6-21/+0
The AMS does not rely on external hardware or features, so it can be enabled unconditionally. Signed-off-by: Sean Anderson <sean.anderson@linux.dev> Link: https://lore.kernel.org/r/20240812215129.3599832-2-sean.anderson@linux.dev Signed-off-by: Michal Simek <michal.simek@amd.com>
2024-08-30arm64: zynqmp: Add PCIe phys property for ZCU102Sean Anderson1-0/+1
Add PCIe phy bindings for the ZCU102. Link: https://lore.kernel.org/r/20240531161337.864994-8-sean.anderson@linux.dev Tested-by: Thippeswamy Havalige <thippeswamy.havalige@amd.com> Signed-off-by: Sean Anderson <sean.anderson@linux.dev> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Michal Simek <michal.simek@amd.com>
2024-06-17arm64: zynqmp: Add pwm-fan node and fix ttc0 pwm-cells propertyVishal Patel1-0/+11
Add pwm-fan node to control fan through hwmon and change pwm-cells property to 3 to allow fancontrol utility to function correctly. Signed-off-by: Vishal Patel <vishal.patel@xilinx.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/ff6b4dbfc9bb1b53769ffbf7d0e932c7a8be7c08.1716802450.git.michal.simek@amd.com
2024-06-17arm64: zynqmp: Add support for K26 rev2 boardsMichal Simek2-6/+10
Revision 2 is SW compatible with revision 1 but it is necessary to reflect it in model and compatible properties which are parsed by user space. Rev 2 has improved a power on boot reset and MIO34 shutdown glich improvement done via an additional filter in the GreenPak chip. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/458698666fdfcaaac70967d9f755422a480bed99.1716802450.git.michal.simek@amd.com
2024-06-17arm64: zynqmp: Describe DisplayPort connector for KriaVishal Sagar1-0/+20
Add a device tree node to describe the DisplayPort connector, and connect it to the DPSUB output. The patch was tested on kv260-revB/rev2. Signed-off-by: Vishal Sagar <vishal.sagar@amd.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/4f69489c005719d280b8df97f3e82a5ce0cd9660.1716802450.git.michal.simek@amd.com
2024-06-17arm64: zynqmp: Add description for ina260 on kv260Michal Simek2-3/+23
The commit f7ab2d180e6a ("dt-bindings: hwmon: ina2xx: Describe ina260 chip"), commit f29996d0295e ("dt-bindings: hwmon: ina2xx: Describe #io-channel-cells property") and commit eea32fafadd3 ("dt-bindings: hwmon: ina2xx: Add label property") added description for ina260 that's why describe them on kv260 Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/944cba76ef5df932f1bebde6c5e64ec9d201356d.1716802450.git.michal.simek@amd.com
2024-06-17arm64: zynqmp: Add compatible string for kv260Michal Simek2-0/+12
The commit dbcd27526e6a ("dt-bindings: soc: xilinx: Add support for KV260 CC") added description for kv260 kit and it should be also reflected in DTs. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/1e436f82182a92187f3892401664db2507482870.1716802450.git.michal.simek@amd.com
2024-06-17arm64: zynqmp: Disable Tri-state for SDIOTejas Bhumkar2-0/+2
Since the zynqmp pinctrl driver now includes support for the tri-state registers, ensure that the pins needing output-enable are correctly configured for SOMs. Currently, there is an issue with the detection of the MMC for the SOM kv260, resulting in the following error: ZynqMP> mmc dev 1 Card did not respond to voltage select! : -110 To address this problem, configure the SDIO pins for output-enable to enable MMC detection. Signed-off-by: Tejas Bhumkar <tejas.arvind.bhumkar@amd.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/540f83f7d88b80441c9fa3d771dd7b000b0710a4.1716802450.git.michal.simek@amd.com
2024-06-17arm64: zynqmp: Remove address/size-cells from ams nodeMichal Simek1-2/+0
Remove unused address/size-cells properties without defining child. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/39f73999bbec0233264ce40f05c0885c46e423be.1716802450.git.michal.simek@amd.com
2024-06-17arm64: zynqmp: Describe OCM controllerMichal Simek1-0/+7
Describe OCM controller which brings EDAC functionality. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/679736679fdf7897d68684295f6ed8256fb5f18e.1716802450.git.michal.simek@amd.com
2024-06-17arm64: zynqmp: Describe USB wakeup interruptMichal Simek1-4/+6
Describe usb wakeup interrupt. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/8c11ac7d73c822ee207cecd1445205f19fcaf004.1716802450.git.michal.simek@amd.com
2024-06-17arm64: zynqmp: Add missing description for efusesMichal Simek1-0/+55
The commit 737c0c8d07b5 ("nvmem: zynqmp_nvmem: Add support to access efuse") added support for efuses that's why also describe them in DT. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/beb8002f8dae47ce6f38f7f961d024e65372b654.1716802450.git.michal.simek@amd.com
2024-06-17arm64: zynqmp: Use fpga-region as node nameMichal Simek1-1/+1
Based on commit 85f838adad54 ("dt-bindings: fpga: Convert fpga-region binding to yaml") fpga/programmable logic should use fpga-region as node name that's why move to it. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/9133aed74a24ad5cd9af5a6d5aa7ee9a160f94ee.1716802450.git.michal.simek@amd.com
2024-06-17arm64: zynqmp: Align nvmem node with dt schemaMichal Simek1-6/+9
Use new soc-nvmem node name and swich to nvmem fixed layout. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/7796804c7c7dd8bb2c93bdfe028c22746a24fe54.1716802450.git.michal.simek@amd.com
2024-06-04arm64: zynqmp: Add coresight cpu debug supportSean Anderson2-0/+44
Add coresight debug support to the device tree. This can be useful when panicking, especially when a core is hung in EL3. Signed-off-by: Sean Anderson <sean.anderson@linux.dev> Link: https://lore.kernel.org/r/20240503153422.1958812-1-sean.anderson@linux.dev Signed-off-by: Michal Simek <michal.simek@amd.com>
2024-05-27dts: zynqmp: add properties for TCM in remoteprocTanmay Shah2-5/+70
Add properties as per new bindings in zynqmp remoteproc node to represent TCM address and size. This patch also adds alternative remoteproc node to represent remoteproc cluster in split mode. By default lockstep mode is enabled and users should disable it before using split mode dts. Both device-tree nodes can't be used simultaneously one of them must be disabled. For zcu102-1.0 and zcu102-1.1 board remoteproc split mode dts node is enabled and lockstep mode dts is disabled. Signed-off-by: Tanmay Shah <tanmay.shah@amd.com> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Link: https://lore.kernel.org/r/20240412183708.4036007-4-tanmay.shah@amd.com Signed-off-by: Michal Simek <michal.simek@amd.com>
2024-05-22Merge tag 'tty-6.10-rc1' of ↵Linus Torvalds1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty / serial updates from Greg KH: "Here is the big set of tty/serial driver changes for 6.10-rc1. Included in here are: - Usual good set of api cleanups and evolution by Jiri Slaby to make the serial interfaces move out of the 1990's by using kfifos instead of hand-rolling their own logic. - 8250_exar driver updates - max3100 driver updates - sc16is7xx driver updates - exar driver updates - sh-sci driver updates - tty ldisc api addition to help refuse bindings - other smaller serial driver updates All of these have been in linux-next for a while with no reported issues" * tag 'tty-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (113 commits) serial: Clear UPF_DEAD before calling tty_port_register_device_attr_serdev() serial: imx: Raise TX trigger level to 8 serial: 8250_pnp: Simplify "line" related code serial: sh-sci: simplify locking when re-issuing RXDMA fails serial: sh-sci: let timeout timer only run when DMA is scheduled serial: sh-sci: describe locking requirements for invalidating RXDMA serial: sh-sci: protect invalidating RXDMA on shutdown tty: add the option to have a tty reject a new ldisc serial: core: Call device_set_awake_path() for console port dt-bindings: serial: brcm,bcm2835-aux-uart: convert to dtschema tty: serial: uartps: Add support for uartps controller reset arm64: zynqmp: Add resets property for UART nodes dt-bindings: serial: cdns,uart: Add optional reset property serial: 8250_pnp: Switch to DEFINE_SIMPLE_DEV_PM_OPS() serial: 8250_exar: Keep the includes sorted serial: 8250_exar: Make type of bit the same in exar_ee_*_bit() serial: 8250_exar: Use BIT() in exar_ee_read() serial: 8250_exar: Switch to use dev_err_probe() serial: 8250_exar: Return directly from switch-cases serial: 8250_exar: Decrease indentation level ...
2024-05-04arm64: zynqmp: Add resets property for UART nodesManikanta Guntupalli1-0/+2
Add resets property for UART0 and UART1 nodes Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@amd.com> Link: https://lore.kernel.org/r/20240425062358.1347684-3-manikanta.guntupalli@amd.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-04-29arm/arm64: dts: Drop "arm,armv8-pmuv3" compatible usageRob Herring1-1/+1
The "arm,armv8-pmuv3" compatible is intended only for s/w models. Primarily, it doesn't provide any detail on uarch specific events. There's still remaining cases for CPUs without any corresponding PMU definition and for big.LITTLE systems which only have a single PMU node (there should be one per core type). Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Jisheng Zhang <jszhang@kernel.org> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Acked-by: Dinh Nguyen <dinguyen@kernel.org> Acked-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Bjorn Andersson <andersson@kernel.org> Acked-by: Florian Fainelli <florian.fainelli@broadcom.com> Acked-by: Alim Akhtar <alim.akhtar@samsung.com> Acked-by: Thierry Reding <treding@nvidia.com> Acked-by: Shawn Guo <shawnguo@kernel.org> Link: https://lore.kernel.org/r/20240417203853.3212103-1-robh@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-01-22arm64: zynqmp: Align usb clock nodes with bindingMichal Simek3-4/+19
dwc3-xilinx.yaml defines 2 clocks which are not defined that's why define them (bus_early clock is moved to bus_clk in glue logic). With also describing kv260 assigned clock rates with assigned clocks. Also add missing status property to standard dwc3 core. Link: https://lore.kernel.org/r/aa4c65a8997c7a65f23da3a3088bb5eb64281307.1704728353.git.michal.simek@amd.com Signed-off-by: Michal Simek <michal.simek@amd.com>
2024-01-22arm64: zynqmp: Comment all smmu entriesMichal Simek1-29/+30
SMMU is disabled by default and not all masters can be enabled at the same time because of limited number of entries. That's why comment all iommu properties but keep them for reference in DT. In XEN case they should be added back and Xen should have SMMU enabled by default. Also add IDs for DP and DPDMA. Link: https://lore.kernel.org/r/bdb012b1c86abb0d9aa88954196d886d1283e9b1.1704728353.git.michal.simek@amd.com Signed-off-by: Michal Simek <michal.simek@amd.com>
2024-01-22arm64: zynqmp: Rename i2c?-gpio to i2c?-gpio-grpMichal Simek11-15/+15
Anything ending with gpio/gpios is taken as gpio phande/description which is reported as the issue coming from gpio-consumer.yaml schema. That's why rename the gpio suffix to gpio-grp to avoid name collision. Link: https://lore.kernel.org/r/94f633e26b7b16cabddb8c7210c2e79208c364da.1704728353.git.michal.simek@amd.com Signed-off-by: Michal Simek <michal.simek@amd.com>
2024-01-22arm64: zynqmp: Disable Tri-state for MIO38 PinTejas Bhumkar2-0/+50
gpio38 is used in SOM's kv260 to reset the Ethernet PHY. At present, HW reset is not working properly as Tri-state  is enabled for MIO38, causing inappropriate PHY register reads. Disabled Tri-state for MIO38 to make HW reset work. Tri-state disable : ZynqMP> md 0xFF180208 2 ff180208: 00bfe7a3 00000540 Tri-state enable : ZynqMP> md 0xFF180208 2 ff180208: 00bfe7e3 00000540 Signed-off-by: Tejas Bhumkar <tejas.arvind.bhumkar@amd.com> Link: https://lore.kernel.org/r/9f8a0687be407a8ffad610087074e94ebc4f5982.1704728353.git.michal.simek@amd.com Signed-off-by: Michal Simek <michal.simek@amd.com>
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