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path: root/sys/arm/allwinner/aw_gpio.c
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* gpio: implement bus_setup_intr and bus_teardown_intrAhmad Khalifa2025-09-301-0/+4
| | | | | | | | | | | Implement bus_setup_intr and bus_teardown_intr as bus_generic_setup_intr and bus_generic_teardown_intr respectively for GPIO drivers that support interrupts. This allows children to setup interrupts. Reported by: Evgenii Ivanov <devivanov@proton.me> Reviewed by: imp MFC after: 1 day Differential Revision: https://reviews.freebsd.org/D52197
* gpio: remove gpiobus_attach_busAhmad Khalifa2025-08-131-1/+2
| | | | | | | | | | | | Since gpiobus_attach_bus can attach the gpiobus child along with its children in the same bus pass, the parent controller's reference to gpiobus might not be set by the time the children need it. Instead, drivers should use gpiobus_add_bus and explicitly call bus_attach_children. Reviewed by: mmel, imp (older version) Approved by: imp (mentor) Differential Revision: https://reviews.freebsd.org/D51578
* gpio: attach gpiobus when the controller is readyAhmad Khalifa2025-07-041-4/+4
| | | | | | | | | | Only attach gpiobus when the controller is fully initialized. Children of gpiobus expect this to be the case. Reviewed by: mmel, imp, andrew Approved by: imp (mentor) MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D51088
* aw_gpio: Add a missing commaZhenlei Huang2024-12-121-1/+1
| | | | | | This unbreaks arm build after commit 719245455853. Fixes: 719245455853 aw_gpio: support Allwinner D1 GPIO
* aw_gpio: support Allwinner D1 GPIOJulien Cassette2024-12-101-29/+107
| | | | | | | | | | | | | | | | | | | The GPIO controls the multiplexing of the D1 pins to its peripherals, so this adds the definitions needed by the aw_gpio driver to support the D1. Also, this modifies the aw_gpio driver to support the differences of the D1 controller: - pins can have up to 15 functions - each port is mapped with an alignment of 0x30 - CFG registers have 4 bits per pin - DRV registers have 4 bits per pin - the offset of PULL registers is 0x24 Signed-off-by: Julien Cassette <julien.cassette@gmail.com> Reviewed by: mhorne Differential Revision: https://reviews.freebsd.org/D35593
* aw_gpio: temporarily switch to input function if read in eint modeAndriy Gapon2024-02-181-0/+12
| | | | | | | | This is needed for gpiokeys driver that needs to read input state after receiving an interrupt for either edge. PR: 248138 MFC after: 1 month
* regulator: Move regulator code in dev/regulatorEmmanuel Vadot2024-01-101-1/+1
| | | | | | | | | | | We've removed kernel option EXT_RESOURCES almost two years ago. While it was ok to have some code under a common 'extres' subdirectory at first, we now have a lot of consumer of it and we made it mandatory so no need to have it under a cryptic name. Reviewed by: emaste, imp Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D43194
* hwreset: Move reset code in dev/hwresetEmmanuel Vadot2024-01-101-1/+1
| | | | | | | | | | | We've removed kernel option EXT_RESOURCES almost two years ago. While it was ok to have some code under a common 'extres' subdirectory at first, we now have a lot of consumer of it and we made it mandatory so no need to have it under a cryptic name. Reviewed by: imp Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D43192
* clk: Move clock code in dev/clkEmmanuel Vadot2024-01-101-1/+1
| | | | | | | | | | | We've removed kernel option EXT_RESOURCES almost two years ago. While it was ok to have some code under a common 'extres' subdirectory at first, we now have a lot of consumer of it and we made it mandatory so no need to have it under a cryptic name. Reviewed by: mhorne Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D43191
* sys: Automated cleanup of cdefs and other formattingWarner Losh2023-11-271-1/+1
| | | | | | | | | | | | | | | | Apply the following automated changes to try to eliminate no-longer-needed sys/cdefs.h includes as well as now-empty blank lines in a row. Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/ Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/ Remove /\n+#if.*\n#endif.*\n+/ Remove /^#if.*\n#endif.*\n/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/ Sponsored by: Netflix
* sys: Remove $FreeBSD$: one-line .c patternWarner Losh2023-08-161-2/+0
| | | | Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/
* spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSDWarner Losh2023-05-121-1/+1
| | | | | | | | | The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch up to that fact and revert to their recommended match of BSD-2-Clause. Discussed with: pfg MFC After: 3 days Sponsored by: Netflix
* arm allwinner: Remove unused devclass arguments to DRIVER_MODULE.John Baldwin2022-05-091-3/+1
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* arm: allwinner: aw_gpio: Plug set but not used variableEmmanuel Vadot2022-02-211-4/+4
| | | | Sponsored by: Beckhoff Automation GmbH & Co. KG
* Remove the pre-ARMv6 and pre-INTRNG code.Michal Meloun2020-11-291-11/+0
| | | | | | | | ARM has required ARMV6+ and INTRNg for some time now, so remove always false #ifdefs and unconditionally do always true #ifdefs. Notes: svn path=/head/; revision=368141
* arm: allwinner: Add GPIO Interrupt supportEmmanuel Vadot2020-01-191-42/+408
| | | | | | | | | | | | | Not all pins in Allwinner have interrupts support so we rely on the padconf data to add the proper caps when pin_getcaps is called. The pin is switch to the specific "eint" function during setup_intr and switched back to its old function in teardown_intr. Only INTR_MAP_DATA_GPIO is supported for now. MFC after: 1 month Notes: svn path=/head/; revision=356891
* arm: allwinner: Add support for bank supplyEmmanuel Vadot2020-01-161-76/+171
| | | | | | | | | | | | | | | Each GPIO bank is powered by a different pin and so can be powered at different voltage from different regulators. Add a new config that now hold the pinmux data and the banks available on each SoCs. Since the aw_gpio driver being also the pinmux one it's attached before the PMIC so add a config_intrhook_oneshot function that will enable the needed regulators when the system is fully functional. MFC after: 2 weeks Notes: svn path=/head/; revision=356800
* arm64: allwinner: Add H6 GPIO/Pinctrl driverEmmanuel Vadot2019-10-141-0/+10
| | | | | | | | | | This adds support for Allwinner H6 GPIO and pinctrl driver for both the main pinctrl unit and the 'r_' one. MFC after: 1 month Notes: svn path=/head/; revision=353529
* Clean up OF_getprop_alloc APIOleksandr Tymoshenko2018-04-081-2/+2
| | | | | | | | | | | | | | | | | | | | OF_getprop_alloc takes element size argument and returns number of elements in the property. There are valid use cases for such behavior but mostly API consumers pass 1 as element size to get string properties. What API users would expect from OF_getprop_alloc is to be a combination of malloc + OF_getprop with the same semantic of return value. This patch modifies API signature to match these expectations. For the valid use cases with element size != 1 and to reduce modification scope new OF_getprop_alloc_multi function has been introduced that behaves the same way OF_getprop_alloc behaved prior to this patch. Reviewed by: ian, manu Differential Revision: https://reviews.freebsd.org/D14850 Notes: svn path=/head/; revision=332310
* Allwinner: gpio: Rename driver to aw_gpio and add man page for itEmmanuel Vadot2017-12-261-0/+1027
Reviewed by: bcr (manpages) Differential Revision: https://reviews.freebsd.org/D13617 Notes: svn path=/head/; revision=327199
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