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2018-03-27reset: stm32mp1: Enable stm32mp1 reset driverGabriel Fernandez1-0/+6
stm32mp1 RCC IP 1 has a reset SET register and a reset CLEAR register. Writing '0' on reset SET register has no effect Writing '1' on reset SET register activates the reset of the corresponding peripheral Writing '0' on reset CLEAR register has no effect Writing '1' on reset CLEAR register releases the reset of the corresponding peripheral See Documentation/devicetree/bindings/clock/st,stm32mp1-rcc.txt Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2018-03-27reset: imx7: add 'depends on HAS_IOMEM' to fix unmet dependencyMasahiro Yamada1-0/+1
This config select's MFD_SYSCON, but does not depend on HAS_IOMEM. Compile testing on architecture without HAS_IOMEM causes "unmet direct dependencies" in Kconfig phase. Detected by "make ARCH=score allyesconfig". Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2018-02-20reset: simple: Enable for ASPEED systemsJoel Stanley1-3/+7
ASPEED BMC SoCs have a reset controller in the LPC IP that can be controlled using this driver to release the UARTs from reset. No special configuration is required, so only the compatible string is added. Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-10-18Merge branch 'reset/arc' into reset/nextPhilipp Zabel1-0/+6
Merge the AXS10x driver, which is also merged into git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc.git for-next
2017-10-18reset: zx2967: use the reset-simple driverPhilipp Zabel1-8/+2
The reset-simple driver can be used without changes. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Reviewed-by: Alexandru Gagniuc <alex.g@adaptrum.com>
2017-10-18reset: stm32: use the reset-simple driverPhilipp Zabel1-8/+3
The reset-simple driver can be used without changes. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: Gabriel Fernandez <gabriel.fernandez@st.com>
2017-10-18reset: socfpga: use the reset-simple driverPhilipp Zabel1-8/+2
Add reset line status readback, inverted status support, and socfpga device tree quirks to the simple reset driver, and use it to replace the socfpga driver. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-10-17reset: sunxi: use reset-simple driverPhilipp Zabel1-0/+1
Use the newly created copies in the reset-simple driver to replace the sunxi platform driver code and reset operations. The separate sunxi driver still remains to register the early reset controllers, but it reuses the reset operations in reset-simple. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Reviewed-by: Alexandru Gagniuc <alex.g@adaptrum.com> Reviewed-by: Chen-Yu Tsai <wens@csie.org>
2017-10-17reset: add reset-simple to unify socfpga, stm32, sunxi, and zx2967Philipp Zabel1-0/+10
Copy reusable parts from the sunxi driver, to add a driver for simple reset controllers with reset lines that can be controlled by toggling bits in exclusive, contiguous register ranges using read-modify-write cycles under a spinlock. The following patches will replace compatible reset drivers with reset-simple, extending it where necessary. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Reviewed-by: Alexandru Gagniuc <alex.g@adaptrum.com> Reviewed-by: Chen-Yu Tsai <wens@csie.org>
2017-10-04reset: socfpga: build the reset-socfpga for Stratix10 SOCDinh Nguyen1-1/+1
Enable the reset driver to get built for the Stratix10 platform. Signed-off-by: Dinh Nguyen <dinguyen@kernel.org> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-09-21reset: Restrict RESET_HSDK to ARC_SOC_HSDK or COMPILE_TESTGeert Uytterhoeven1-1/+1
The HSDK reset driver is only useful when building for an ARC HSDK platform. While at it, drop the "default n", as that is the default. Fixes: e0be864f14240cb1 ("ARC: reset: introduce HSDKv1 reset driver") Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> [p.zabel@pengutronix.de: rebased, renamed RESET_HSDK_V1 to RESET_HSDK] Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-09-18ARC: reset: introduce AXS10x reset driverEugeniy Paltsev1-0/+6
ARC AXS10x boards support custom IP-block which allows to control reset signals of selected peripherals. For example DW GMAC, etc... This block is controlled via memory-mapped register (AKA CREG) which represents up-to 32 reset lines. This regiter is self-clearing so we don't need to deassert line after reset. As of today only the following lines are used: - DW GMAC - line 5 Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-09-18ARC: reset: remove the misleading v1 suffix all overVineet Gupta1-3/+3
There is no plan yet to do a v2 board. And even if we were to do it only some IPs would actually change, so it be best to add suffixes at that point, not now ! Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-09-18ARC: reset: Only build on archs that have IOMEMThomas Meyer1-0/+1
This avoids the error: drivers/reset/reset-hsdk-v1.o: In function `hsdkv1_reset_probe': /home/thomas/git/linux/drivers/reset/reset-hsdk-v1.c:101: undefined reference to `devm_ioremap_resource' collect2: error: ld returned 1 exit status Signed-off-by: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-09-15Merge branch '4.14-features' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds1-0/+6
Pull MIPS updates from Ralf Baechle: "This is the main pull request for 4.14 for MIPS; below a summary of the non-merge commits: CM: - Rename mips_cm_base to mips_gcr_base - Specify register size when generating accessors - Use BIT/GENMASK for register fields, order & drop shifts - Add cluster & block args to mips_cm_lock_other() CPC: - Use common CPS accessor generation macros - Use BIT/GENMASK for register fields, order & drop shifts - Introduce register modify (set/clear/change) accessors - Use change_*, set_* & clear_* where appropriate - Add CM/CPC 3.5 register definitions - Use GlobalNumber macros rather than magic numbers - Have asm/mips-cps.h include CM & CPC headers - Cluster support for topology functions - Detect CPUs in secondary clusters CPS: - Read GIC_VL_IDENT directly, not via irqchip driver DMA: - Consolidate coherent and non-coherent dma_alloc code - Don't use dma_cache_sync to implement fd_cacheflush FPU emulation / FP assist code: - Another series of 14 commits fixing corner cases such as NaN propgagation and other special input values. - Zero bits 32-63 of the result for a CLASS.D instruction. - Enhanced statics via debugfs - Do not use bools for arithmetic. GCC 7.1 moans about this. - Correct user fault_addr type Generic MIPS: - Enhancement of stack backtraces - Cleanup from non-existing options - Handle non word sized instructions when examining frame - Fix detection and decoding of ADDIUSP instruction - Fix decoding of SWSP16 instruction - Refactor handling of stack pointer in get_frame_info - Remove unreachable code from force_fcr31_sig() - Convert to using %pOF instead of full_name - Remove the R6000 support. - Move FP code from *_switch.S to *_fpu.S - Remove unused ST_OFF from r2300_switch.S - Allow platform to specify multiple its.S files - Add #includes to various files to ensure code builds reliable and without warning.. - Remove __invalidate_kernel_vmap_range - Remove plat_timer_setup - Declare various variables & functions static - Abstract CPU core & VP(E) ID access through accessor functions - Store core & VP IDs in GlobalNumber-style variable - Unify checks for sibling CPUs - Add CPU cluster number accessors - Prevent direct use of generic_defconfig - Make CONFIG_MIPS_MT_SMP default y - Add __ioread64_copy - Remove unnecessary inclusions of linux/irqchip/mips-gic.h GIC: - Introduce asm/mips-gic.h with accessor functions - Use new GIC accessor functions in mips-gic-timer - Remove counter access functions from irq-mips-gic.c - Remove gic_read_local_vp_id() from irq-mips-gic.c - Simplify shared interrupt pending/mask reads in irq-mips-gic.c - Simplify gic_local_irq_domain_map() in irq-mips-gic.c - Drop gic_(re)set_mask() functions in irq-mips-gic.c - Remove gic_set_polarity(), gic_set_trigger(), gic_set_dual_edge(), gic_map_to_pin() and gic_map_to_vpe() from irq-mips-gic.c. - Convert remaining shared reg access, local int mask access and remaining local reg access to new accessors - Move GIC_LOCAL_INT_* to asm/mips-gic.h - Remove GIC_CPU_INT* macros from irq-mips-gic.c - Move various definitions to the driver - Remove gic_get_usm_range() - Remove __gic_irq_dispatch() forward declaration - Remove gic_init() - Use mips_gic_present() in place of gic_present and remove gic_present - Move gic_get_c0_*_int() to asm/mips-gic.h - Remove linux/irqchip/mips-gic.h - Inline __gic_init() - Inline gic_basic_init() - Make pcpu_masks a per-cpu variable - Use pcpu_masks to avoid reading GIC_SH_MASK* - Clean up mti, reserved-cpu-vectors handling - Use cpumask_first_and() in gic_set_affinity() - Let the core set struct irq_common_data affinity microMIPS: - Fix microMIPS stack unwinding on big endian systems MIPS-GIC: - SYNC after enabling GIC region NUMA: - Remove the unused parent_node() macro R6: - Constify r2_decoder_tables - Add accessor & bit definitions for GlobalNumber SMP: - Constify smp ops - Allow boot_secondary SMP op to return errors VDSO: - Drop gic_get_usm_range() usage - Avoid use of linux/irqchip/mips-gic.h Platform changes: Alchemy: - Add devboard machine type to cpuinfo - update cpu feature overrides - Threaded carddetect irqs for devboards AR7: - allow NULL clock for clk_get_rate BCM63xx: - Fix ENETDMA_6345_MAXBURST_REG offset - Allow NULL clock for clk_get_rate CI20: - Enable GPIO and RTC drivers in defconfig - Add ethernet and fixed-regulator nodes to DTS Generic platform: - Move Boston and NI 169445 FIT image source to their own files - Include asm/bootinfo.h for plat_fdt_relocated() - Include asm/time.h for get_c0_*_int() - Include asm/bootinfo.h for plat_fdt_relocated() - Include asm/time.h for get_c0_*_int() - Allow filtering enabled boards by requirements - Don't explicitly disable CONFIG_USB_SUPPORT - Bump default NR_CPUS to 16 JZ4700: - Probe the jz4740-rtc driver from devicetree Lantiq: - Drop check of boot select from the spi-falcon driver. - Drop check of boot select from the lantiq-flash MTD driver. - Access boot cause register in the watchdog driver through regmap - Add device tree binding documentation for the watchdog driver - Add docs for the RCU DT bindings. - Convert the fpi bus driver to a platform_driver - Remove ltq_reset_cause() and ltq_boot_select( - Switch to a proper reset driver - Switch to a new drivers/soc GPHY driver - Add an USB PHY driver for the Lantiq SoCs using the RCU module - Use of_platform_default_populate instead of __dt_register_buses - Enable MFD_SYSCON to be able to use it for the RCU MFD - Replace ltq_boot_select() with dummy implementation. Loongson 2F: - Allow NULL clock for clk_get_rate Malta: - Use new GIC accessor functions NI 169445: - Add support for NI 169445 board. - Only include in 32r2el kernels Octeon: - Add support for watchdog of 78XX SOCs. - Add support for watchdog of CN68XX SOCs. - Expose support for mips32r1, mips32r2 and mips64r1 - Enable more drivers in config file - Add support for accessing the boot vector. - Remove old boot vector code from watchdog driver - Define watchdog registers for 70xx, 73xx, 78xx, F75xx. - Make CSR functions node aware. - Allow access to CIU3 IRQ domains. - Misc cleanups in the watchdog driver Omega2+: - New board, add support and defconfig Pistachio: - Enable Root FS on NFS in defconfig Ralink: - Add Mediatek MT7628A SoC - Allow NULL clock for clk_get_rate - Explicitly request exclusive reset control in the pci-mt7620 PCI driver. SEAD3: - Only include in 32 bit kernels by default VoCore: - Add VoCore as a vendor t0 dt-bindings - Add defconfig file" * '4.14-features' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (167 commits) MIPS: Refactor handling of stack pointer in get_frame_info MIPS: Stacktrace: Fix microMIPS stack unwinding on big endian systems MIPS: microMIPS: Fix decoding of swsp16 instruction MIPS: microMIPS: Fix decoding of addiusp instruction MIPS: microMIPS: Fix detection of addiusp instruction MIPS: Handle non word sized instructions when examining frame MIPS: ralink: allow NULL clock for clk_get_rate MIPS: Loongson 2F: allow NULL clock for clk_get_rate MIPS: BCM63XX: allow NULL clock for clk_get_rate MIPS: AR7: allow NULL clock for clk_get_rate MIPS: BCM63XX: fix ENETDMA_6345_MAXBURST_REG offset mips: Save all registers when saving the frame MIPS: Add DWARF unwinding to assembly MIPS: Make SAVE_SOME more standard MIPS: Fix issues in backtraces MIPS: jz4780: DTS: Probe the jz4740-rtc driver from devicetree MIPS: Ci20: Enable RTC driver watchdog: octeon-wdt: Add support for 78XX SOCs. watchdog: octeon-wdt: Add support for cn68XX SOCs. watchdog: octeon-wdt: File cleaning. ...
2017-09-04reset: Add a reset controller driver for the Lantiq XWAY based SoCsMartin Blumenstingl1-0/+6
The reset controllers (on xRX200 and newer SoCs have two of them) are provided by the RCU module. This was initially implemented as a simple reset controller. However, the RCU module provides more functionality (ethernet GPHYs, USB PHY, etc.), which makes it a MFD device. The old reset controller driver implementation from arch/mips/lantiq/xway/reset.c did not honor this fact. For some devices the request and the status bits are different. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: Rob Herring <robh@kernel.org> Cc: john@phrozen.org Cc: kishon@ti.com Cc: mark.rutland@arm.com Cc: linux-mips@linux-mips.org Cc: linux-mtd@lists.infradead.org Cc: linux-watchdog@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: linux-spi@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/17125/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2017-08-07Revert "reset: Add a Gemini reset controller"Linus Walleij1-7/+0
This reverts commit 2acb037fc42b8ce5ae59a7d5db3c9b35672e3dd7. We ended up merging the reset controller into the clock controller so we can now get rid of this stand-alone implementation. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-07-20ARC: reset: introduce HSDKv1 reset driverEugeniy Paltsev1-0/+6
The HSDK v1 periphery IPs can be reset by accessing some registers from the CGU block. The list of available reset lines is documented in the DT bindings. Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-06-06reset: Add the TI SCI reset driverAndrew F. Davis1-0/+8
Some TI Keystone family of SoCs contain a system controller (like the Power Management Micro Controller (PMMC) on 66AK2G SoCs) that manage the low-level device control (like clocks, resets etc) for the various hardware modules present on the SoC. These device control operations are provided to the host processor OS through a communication protocol called the TI System Control Interface (TI SCI) protocol. This patch adds a reset driver that communicates to the system controller over the TI SCI protocol for performing reset management of various devices present on the SoC. Various reset functionalities are achieved by the means of different TI SCI device operations provided by the TI SCI framework. Signed-off-by: Andrew F. Davis <afd@ti.com> [s-anna@ti.com: documentation changes, revised commit message] Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Nishanth Menon <nm@ti.com> Acked-by: Santosh Shilimkar <ssantosh@kernel.org> [p.zabel@pengutronix.de: const struct reset_control_ops] Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-05-24reset: Add a Gemini reset controllerLinus Walleij1-0/+7
The Cortina Systems Gemini reset controller is a simple 32bit register with self-deasserting reset lines. It is accessed using regmap over syscon. Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-05-24reset: ti_syscon: Rename TI_SYSCON_RESET to RESET_TI_SYSCONSuman Anna1-1/+1
Rename the current Kconfig name used for the TI SYSCON Reset driver from TI_SYSCON_RESET to RESET_TI_SYSCON to match the convention used for all the reset drivers present at the base reset folder. Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-03-15reset: Add Altera Arria10 SR Reset ControllerThor Thayer1-0/+7
This patch adds the reset controller functionality for Peripheral PHYs to the Arria10 System Resource Chip. Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-03-15reset: Add i.MX7 SRC reset driverAndrey Smirnov1-0/+7
Add reset controller driver exposing various reset faculties, implemented by System Reset Controller IP block. Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Mark Rutland <mark.rutland@arm.com> Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-01-20reset: zx2967: add reset controller driver for ZTE's zx2967 familyBaoyou Xie1-0/+6
This patch adds reset controller driver for ZTE's zx2967 family. Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org> Reviewed-by: Shawn Guo <shawnguo@kernel.org> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-11-18reset: Add Tegra BPMP reset driverThierry Reding1-0/+1
This driver uses the services provided by the BPMP firmware driver to implement a reset driver based on the MRQ_RESET request. Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-08-30reset: zynq: add driver Kconfig optionPhilipp Zabel1-0/+6
Visible only if COMPILE_TEST is enabled, this allows to include the driver in build tests. Cc: Moritz Fischer <moritz.fischer@ettus.com> Cc: Sören Brinkmann <soren.brinkmann@xilinx.com> Acked-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-30reset: sunxi: add driver Kconfig optionPhilipp Zabel1-0/+6
Visible only if COMPILE_TEST is enabled, this allows to include the driver in build tests. Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-30reset: stm32: add driver Kconfig optionPhilipp Zabel1-0/+6
Visible only if COMPILE_TEST is enabled, this allows to include the driver in build tests. Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Gabriel Fernandez <gabriel.fernandez@st.com> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-30reset: socfpga: add driver Kconfig optionPhilipp Zabel1-0/+6
Visible only if COMPILE_TEST is enabled, this allows to include the driver in build tests. Acked-by: Dinh Nguyen <dinguyen@opensource.altera.com> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-30reset: pistachio: add driver Kconfig optionPhilipp Zabel1-0/+6
Visible only if COMPILE_TEST is enabled, this allows to include the driver in build tests. Cc: Damien Horsley <Damien.Horsley@imgtec.com> Acked-by: James Hartley <james.hartley@imgtec.com> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-25reset: meson: add driver Kconfig optionPhilipp Zabel1-0/+6
Visible only if COMPILE_TEST is enabled, this allows to include the driver in build tests. Acked-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-25reset: lpc18xx: add driver Kconfig optionPhilipp Zabel1-0/+6
Visible only if COMPILE_TEST is enabled, this allows to include the driver in build tests. Acked-by: Joachim Eastwood <manabian@gmail.com> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-25reset: berlin: add driver Kconfig optionPhilipp Zabel1-0/+6
Visible only if COMPILE_TEST is enabled, this allows to include the driver in build tests. Cc: Antoine Tenart <antoine.tenart@free-electrons.com> Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-25reset: ath79: add driver Kconfig optionPhilipp Zabel1-0/+7
Visible only if COMPILE_TEST is enabled, this allows to include the driver in build tests. Acked-by: Aban Bedel <albeu@free.fr> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-08-24reset: uniphier: add reset controller driver for UniPhier SoCsMasahiro Yamada1-0/+10
This is the initial commit for UniPhier reset controller driver. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-06-29reset: add TI SYSCON based reset driverAndrew F. Davis1-0/+10
Add a reset-controller driver for performing reset management of various devices present on the SoC, with the reset registers shared between devices in a common register memory space. This driver uses the syscon/regmap frameworks to actually implement the various reset functionalities needed by the reset consumer devices. Signed-off-by: Andrew F. Davis <afd@ti.com> [s-anna@ti.com: add documentation, syscon name change] Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-05-30reset: fix Kconfig menu to include reset drivers in sub-menuMasahiro Yamada1-0/+4
In "make menuconfig", reset drivers are currently lined up together with the reset sub-system menu, like this: -*- Reset Controller Support ---- < > Hi6220 Reset Driver (It also means, the menu "Reset Controller Support" is always empty.) "Hi6220 Reset Driver" should go into the sub-menu of the "Reset Controller Support". Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-04-01reset: Add Oxford Semiconductor Reset Controller driverNeil Armstrong1-0/+3
Add System reset controller driver for Oxford Semiconductor OXNAS SoC Family. CC: Ma Haijun <mahaijuns@gmail.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2015-11-20reset: hi6220: Reset driver for hisilicon hi6220 SoCChen Feng1-0/+1
Add reset driver for hi6220-hikey board,this driver supply deassert of IP on hi6220 SoC. Signed-off-by: Chen Feng <puck.chen@hisilicon.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2014-03-11drivers: reset: STi SoC system configuration reset controller supportStephen Gallimore1-0/+2
This patch adds a reset controller implementation for STMicroelectronics STi family SoCs; it allows a group of related reset like controls found in multiple system configuration registers to be represented by a single controller device. System configuration registers are accessed through the regmap framework and the mfd/syscon driver. The implementation optionally supports waiting for the reset action to be acknowledged in a separate status register and supports both active high and active low reset lines. These properties are common across all the reset channels in a specific reset controller instance, hence all channels in a paritcular controller are expected to behave in the same way. Signed-off-by: Stephen Gallimore <stephen.gallimore@st.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
2013-04-12reset: Add reset controller APIPhilipp Zabel1-0/+13
This adds a simple API for devices to request being reset by separate reset controller hardware and implements the reset signal device tree binding. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Reviewed-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Shawn Guo <shawn.guo@linaro.org> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Pavel Machek <pavel@ucw.cz>
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