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* ARM: at91: merge all SOC_AT91SAM9xxxAlexandre Belloni2015-02-021-24/+0
| | | | | | | | | | | | | | | | Only use SOC_AT91SAM9 for all the at91sam9 SoCs. It removes all the empty at91sam9xxx.c SoC files. It also removes the useless at91_init_soc affectation procedure and its "init" function pointer. Only the SoC detection and display are kept for the at91sam9: at91_soc_is_enabled() and at91_boot_soc.map_io() function calls are also removed. It enables HAVE_AT91_SMD and HAVE_AT91_UTMI for all the sam9 SoCs but this only represents 96 bytes of uncompressed kernel code. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> [nicolas.ferre@atmel.com: different organization of the patches] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* ARM: at91: sam9: set arm_pm_idle from sam9_dt_device_initAlexandre Belloni2015-01-261-5/+0
| | | | | | | | | | As all sam9 SoCs are setting arm_pm_idle to at91sam9_idle(), do it from sam9_dt_device_init(). Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Suggested-by: Arnd Bergmann <arnd@arndb.de> [nicolas.ferre@atmel.com: adapt patch to newer series] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* ARM: at91: remove useless map_ioAlexandre Belloni2015-01-161-7/+0
| | | | | | | | Now that the SRAM is initialized by the mmio-sram driver, .map_io is useless. remove it. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* ARM: at91: remove useless at91_sysirq_mask_rtxAlexandre Belloni2015-01-151-3/+0
| | | | | | | | | | | The irq fixup from at91_sysirq_mask_rtc and at91_sysirq_mask_rtt is now handled by aic_common_rtc_irq_fixup and aic_common_rtt_irq_fixup. Remove those useless functions. Also remove the now unused mach/at91_rtt.h header. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* ARM: at91: remove useless header file includesBoris Brezillon2015-01-151-1/+0
| | | | | | | | Since removal of !DT boards, asm/irq.h inclusion is not needed in these product files. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* Merge tag 'at91-cleanup3' of ↵Arnd Bergmann2014-11-281-1/+0
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/cleanup Pull "Third batch of cleanup/SoC for 3.19" from Nicolas Ferre: - fixes following legacy board removal - removal of legacy board support for at91sam9263, at91sam9260/at91sam9g20 and at91sam9261/at91sam9g10 SoCs families. Please use DT now. - removal of some now useless Kconfig options * tag 'at91-cleanup3' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91: ARM: at91/Kconfig: remove useless fbdev Kconfig options ARM: at91: remove at91sam9261/at91sam9g10 legacy board support ARM: at91/Kconfig: remove unused config options ARM: at91: remove at91sam9260/at91sam9g20 legacy board support ARM: at91: remove at91sam9260/at91sam9g20 legacy boards files ARM: at91: remove at91sam9263 legacy board support ARM: at91/at91sam9g45: remove useless header file Conflicts: arch/arm/mach-at91/at91sam9g45.c Signed-off-by: Arnd Bergmann <arnd@arndb.de>
| * ARM: at91/at91sam9g45: remove useless header fileNicolas Ferre2014-11-191-1/+0
| | | | | | | | | | | | Remove this useless cpu.h header file forgotten during the !DT support removal. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
| * ARM: at91: remove useless init_time for DT-only SoCsBoris Brezillon2014-11-101-7/+0
| | | | | | | | | | | | | | | | init_time is only needed when booting non-DT boards, we can thus safely remove init_time functions. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
| * ARM: at91: fix build breakage due to legacy board removalsOlof Johansson2014-11-101-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes the following missing includes: arch/arm/mach-at91/at91sam9g45.c: In function 'at91sam9g45_init_time': arch/arm/mach-at91/at91sam9g45.c:39:23: error: 'NR_IRQS_LEGACY' undeclared (first use in this function) at91sam926x_pit_init(NR_IRQS_LEGACY + AT91_ID_SYS); ^ arch/arm/mach-at91/at91sam9g45.c:39:23: note: each undeclared identifier is reported only once for each function it appears in make[3]: *** [arch/arm/mach-at91/at91sam9g45.o] Error 1 arch/arm/mach-at91/at91sam9rl.c: In function 'at91sam9rl_init_time': arch/arm/mach-at91/at91sam9rl.c:51:23: error: 'NR_IRQS_LEGACY' undeclared (first use in this function) at91sam926x_pit_init(NR_IRQS_LEGACY + AT91_ID_SYS); Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Olof Johansson <olof@lixom.net>
* | ARM: at91: remove useless init_time for DT-only SoCsBoris Brezillon2014-11-191-6/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commits bcf8c7e7703bb2bbde66bec26a81fed4be9cd1d4 and 4bf7753b8ab7c704ca864b1653367ea9cfe68a25 introduced compilation errors ("error: 'NR_IRQS_LEGACY' undeclared (first use in this function)") because they remove the asm/irq.h inclusion while the init_time function needs it for the NR_IRQS_LEGACY definition. In the other hand, the point of these commits is to remove board file support, and init_time is only needed when booting non-DT boards, we can thus safely remove init_time functions. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
* | ARM: at91: fix build breakage due to legacy board removalsOlof Johansson2014-11-091-0/+1
|/ | | | | | | | | | | | | | | | | Fixes the following missing includes: arch/arm/mach-at91/at91sam9g45.c: In function 'at91sam9g45_init_time': arch/arm/mach-at91/at91sam9g45.c:39:23: error: 'NR_IRQS_LEGACY' undeclared (first use in this function) at91sam926x_pit_init(NR_IRQS_LEGACY + AT91_ID_SYS); ^ arch/arm/mach-at91/at91sam9g45.c:39:23: note: each undeclared identifier is reported only once for each function it appears in make[3]: *** [arch/arm/mach-at91/at91sam9g45.o] Error 1 arch/arm/mach-at91/at91sam9rl.c: In function 'at91sam9rl_init_time': arch/arm/mach-at91/at91sam9rl.c:51:23: error: 'NR_IRQS_LEGACY' undeclared (first use in this function) at91sam926x_pit_init(NR_IRQS_LEGACY + AT91_ID_SYS); Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Olof Johansson <olof@lixom.net>
* ARM: at91: remove at91sam9g45/9m10 legacy board supportNicolas Ferre2014-11-031-448/+0
| | | | | | | | | | | | Remove legacy support for at91sam9g45/9m10 boards. This include board files removal plus all legacy code for non DT boards support (i.e. at91sam9g45.c and at91sam9g45_devices.c). Use the Device Tree for running this board with newer kernels. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> [nicolas.ferre@atmel.com: Add sentence about DT, removed defconfig] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* ARM: at91: Give the PIT irq as an argument of at91sam926x_pit_initMaxime Ripard2014-09-151-1/+1
| | | | | | | | This allows to remove the dependency of the timer driver on mach/hardware.h and having an hardcoded interrupt number in the driver itself. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* ARM: at91: Convert the boards to the init_time callbackMaxime Ripard2014-09-031-0/+6
| | | | | | | | | | | Now that we have the init_time callback in the at91_init_soc structure, convert all the boards and SoC to this. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Boris BREZILLON <boris.brezillon@free-electrons.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* ARM: at91: Remove rstc and shdwnc global base addressesMaxime Ripard2014-08-251-2/+0
| | | | | | | | | | Now that there's no user left for the global variables holding the reset and shutdown controllers base address, we can remove these variables and their associated mapping function. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* ARM: at91: Register the poweroff driverMaxime Ripard2014-08-251-0/+15
| | | | | | | | | Register the poweroff driver in the old-style SoC definition so that the driver is loaded and provide a shutdown hook. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* ARM: at91: Remove reset code from the machine codeMaxime Ripard2014-08-251-1/+0
| | | | | | | | | Now that the transition is over and that we probe our reset driver in every case, we can remove the legacy code from the machine directory. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* ARM: at91: Probe the reset driverMaxime Ripard2014-08-251-0/+31
| | | | | | | | | Register the reset device in the right SoCs so that the reset driver is actually probed even in the old-style probing case. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* Merge tag 'drivers-for-3.17' of ↵Linus Torvalds2014-08-081-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC driver changes from Olof Johansson: "A handful of driver-related changes. We've had a bunch of them going in through other branches as well, so it's only a part of what we really have this release. Larger pieces are: - Removal of a now unused PWM driver for atmel [ This includes AVR32 changes that have been appropriately acked ] - Performance counter support for the arm CCN interconnect - OMAP mailbox driver cleanups and consolidation - PCI and SATA PHY drivers for SPEAr 13xx platforms - Redefinition (with backwards compatibility!) of PCI DT bindings for Tegra to better model regulators/power" Note: this merge also fixes up the semantic conflict with the new calling convention for devm_phy_create(), see commit f0ed817638b5 ("phy: core: Let node ptr of PHY point to PHY and not of PHY provider") that came in through Greg's USB tree. Semantic merge patch by Stephen Rothwell <sfr@canb.auug.org.au> through the next tree. * tag 'drivers-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (38 commits) bus: arm-ccn: Fix error handling at event allocation mailbox/omap: add a parent structure for every IP instance mailbox/omap: remove the private mailbox structure mailbox/omap: consolidate OMAP mailbox driver mailbox/omap: simplify the fifo assignment by using macros mailbox/omap: remove omap_mbox_type_t from mailbox ops mailbox/omap: remove OMAP1 mailbox driver mailbox/omap: use devm_* interfaces bus: ARM CCN: add PERF_EVENTS dependency bus: ARM CCN PMU driver PCI: spear: Remove spear13xx_pcie_remove() PCI: spear: Fix Section mismatch compilation warning for probe() ARM: tegra: Remove legacy PCIe power supply properties PCI: tegra: Remove deprecated power supply properties PCI: tegra: Implement accurate power supply scheme ARM: SPEAr13xx: Update defconfigs ARM: SPEAr13xx: Add pcie and miphy DT nodes ARM: SPEAr13xx: Add bindings and dt node for misc block ARM: SPEAr13xx: Fix static mapping table phy: Add drivers for PCIe and SATA phy on SPEAr13xx ...
| * ARM: at91: at91sam9g45: switch to generic PWM frameworkAlexandre Belloni2014-07-091-0/+1
| | | | | | | | | | | | | | | | Switch to the pwm/pwm-atmel driver instead of misc/atmel_pwm Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* | ARM: at91: prepare common clk transition for sam9g45Alexandre Belloni2014-07-091-1/+5
|/ | | | | | | | Enclose the sam9g45 old clk registration in "#if defined(CONFIG_OLD_CLK_AT91) #endif" Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* ARM: at91: sam9m10g45ek: Add touchscreen support through at91_adcAlexandre Belloni2014-05-071-1/+1
| | | | | | | | | | | | | | | | at91_adc now supports reading a touchscreen for ADCs without a TSMR register. Enable touchscreen support through at91_adc. This allows to use both a touchscreen and the remaining ADC channel at the same time. Also, lower the clock for the ADC as it allows to have more stable reads and this is the speed used by atmel_tsadcc. It lowers the maximum throughput rate from 440000 samples per second to 12958 samples per second. It shouldn't be an issue as the CPU is not able to keep up reading samples at that frequency. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* Merge tag 'at91-cleanup' of git://github.com/at91linux/linux-at91 into ↵Arnd Bergmann2014-03-171-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | next/cleanup Merge "First batch of AT91 cleanup for 3.15" from Nicolas Ferre: - some updates on the defconfig front - two SoCs converted to Device Tree: sam9261 and sam9rl (with use of CCF!) - a little PWM clock update that goes on top of this * tag 'at91-cleanup' of git://github.com/at91linux/linux-at91: ARM: at91: add PWM clock ARM: at91: move sam9261 SoC to common clk ARM: at91: prepare common clk transition for sam9261 SoC ARM: at91: updated the at91_dt_defconfig with support for the ADS7846 ARM: at91: dt: sam9261: Device Tree support for the at91sam9261ek ARM: at91: dt: defconfig: Added the sam9261 to the list of DT-enabled SOCs ARM: at91: dt: Add at91sam9261 dt SoC support ARM: at91: switch sam9rl to common clock framework ARM: at91/dt: define main clk frequency of at91sam9rlek ARM: at91/dt: define at91sam9rl clocks ARM: at91: prepare common clk transition for sam9rl SoCs ARM: at91: prepare sam9 dt boards transition to common clk ARM: at91: dt: sam9rl: Device Tree for the at91sam9rlek ARM: at91/defconfig: Add the sam9rl to the list of DT-enabled SOCs ARM: at91: Add at91sam9rl DT SoC support ARM: at91: prepare at91sam9rl DT transition ARM: at91/defconfig: refresh at91sam9260_9g20_defconfig ARM: at91/defconfig: remove useless configuration in at91sam9260_9g20_defconfig ARM: at91/defconfig: refresh at91sam9rl_defconfig Signed-off-by: Arnd Bergmann <arnd@arndb.de>
| * ARM: at91: add PWM clockBo Shen2014-03-121-0/+1
| | | | | | | | | | | | | | Add PWM clock for AT91 series SoC which include PWM controller. Signed-off-by: Bo Shen <voice.shen@atmel.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* | Merge tag 'dropmachtimexh-v2' of git://git.pengutronix.de/git/ukl/linux into ↵Olof Johansson2014-02-191-0/+1
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | next/cleanup This cleanup series gets rid of <mach/timex.h> for platforms not using ARCH_MULTIPLATFORM. (For multi-platform code it's already unused since 387798b (ARM: initial multiplatform support).) To make this work some code out of arch/arm needed to be adapted. The respective changes got acks by their maintainers to be taken via armsoc (with Andrew Morton substituting for Alessandro Zummo as rtc maintainer). Compared to the previous pull request there was another patch added that fixes a (non-critical) regression on ixp4xx. Olof Johansson asked to not squash this fix into the original commit to save him from the need to reverify the series. * tag 'dropmachtimexh-v2' of git://git.pengutronix.de/git/ukl/linux: ARM: ixp4xx: fix timer latch calculation ARM: drop <mach/timex.h> for !ARCH_MULTIPLATFORM, too ARM: rpc: stop using <mach/timex.h> ARM: ixp4xx: stop using <mach/timex.h> input: ixp4xx-beeper: don't use symbols from <mach/timex.h> ARM: at91: don't use <mach/timex.h> ARM: ep93xx: stop using mach/timex.h ARM: mmp: stop using mach/timex.h ARM: netx: stop using mach/timex.h ARM: sa1100: stop using mach/timex.h clocksource: sirf/marco+prima2: drop usage of CLOCK_TICK_RATE rtc: pxa: drop unused #define TIMER_FREQ rtc: at91sam9: include <mach/hardware.h> explicitly ARM/serial: at91: switch atmel serial to use gpiolib Signed-off-by: Olof Johansson <olof@lixom.net>
| * ARM: at91: don't use <mach/timex.h>Uwe Kleine-König2013-12-201-0/+1
| | | | | | | | | | | | | | | | | | | | The platform specific <mach/timex.h> will be removed in a later patch. So move its only still used symbol to a different header specific for the only machine still using it. Also add a few explicit includes of <mach/hardware.h> that are implicitly available through <mach/timex.h>. Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
* | ARM: at91: move at91_pmc.h to include/linux/clk/at91_pmc.hBoris BREZILLON2013-12-021-1/+1
|/ | | | | | | | | | | | | This patch moves at91_pmc.h header from machine specific directory (arch/arm/mach-at91/include/mach/at91_pmc.h) to clk include directory (include/linux/clk/at91_pmc.h). We need this to avoid reference to machine specific headers in clk drivers. Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com> Acked-by: Felipe Balbi <balbi@ti.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* Merge tag 'fixes-for-linus' of ↵Linus Torvalds2013-11-161-0/+3
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "A first set of batches of fixes for 3.13. The diffstat is large mostly because we're adding a defconfig for a family that's been lacking it, and there's some missing clock information added for i.MX and OMAP. The at91 new code is around dealing with RTC/RTT reset at boot to fix possible hangs due to pending wakeup interrupts coming in during early boot" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits) ARM: OMAP2+: Fix build for dra7xx without omap4 and 5 ARM: OMAP2+: omap_device: maintain sane runtime pm status around suspend/resume doc: devicetree: Add bindings documentation for omap-des driver ARM: dts: doc: Document missing compatible property for omap-sham driver ARM: OMAP3: Beagle: fix return value check in beagle_opp_init() ARM: at91: fix hanged boot due to early rtt-interrupt ARM: at91: fix hanged boot due to early rtc-interrupt video: exynos_mipi_dsim: Remove unused variable ARM: highbank: only select errata 764369 if SMP ARM: sti: only select errata 764369 if SMP ARM: tegra: init fuse before setting reset handler ARM: vt8500: add defconfig for v6/v7 chips ARM: integrator_cp: Set LCD{0,1} enable lines when turning on CLCD ARM: OMAP: devicetree: fix SPI node compatible property syntax items pinctrl: single: call pcs_soc->rearm() whenever IRQ mask is changed ARM: OMAP2+: smsc911x: fix return value check in gpmc_smsc911x_init() MAINTAINERS: drop discontinued mailing list ARM: dts: i.MX51: Fix OTG PHY clock ARM: imx: set up pllv3 POWER and BYPASS sequentially ARM: imx: pllv3 needs relock in .set_rate() call ...
| * ARM: at91: fix hanged boot due to early rtt-interruptJohan Hovold2013-11-151-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make sure the RTT-interrupts are masked at boot by adding a new helper function to be used at SOC-init. This fixes hanged boot on all AT91 SOCs with an RTT, for example, if an RTT-alarm goes off after a non-clean shutdown (e.g. when using RTC wakeup). The RTC and RTT-peripherals are powered by backup power (VDDBU) (on all AT91 SOCs but RM9200) and are not reset on wake-up, user, watchdog or software reset. This means that their interrupts may be enabled during early boot if, for example, they where not disabled during a previous shutdown (e.g. due to a buggy driver or a non-clean shutdown such as a user reset). Furthermore, an RTC or RTT-alarm may also be active. The RTC and RTT-interrupts use the shared system-interrupt line, which is also used by the PIT, and if an interrupt occurs before a handler (e.g. RTC-driver) has been installed this leads to the system interrupt being disabled and prevents the system from booting. Note that when boot hangs due to an early RTC or RTT-interrupt, the only way to get the system to start again is to remove the backup power (e.g. battery) or to disable the interrupt manually from the bootloader. In particular, a user reset is not sufficient. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: stable@vger.kernel.org # 3.11.x
| * ARM: at91: fix hanged boot due to early rtc-interruptJohan Hovold2013-11-151-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make sure the RTC-interrupts are masked at boot by adding a new helper function to be used at SOC-init. This fixes hanged boot on all AT91 SOCs with an RTC (but RM9200), for example, after a reset during an RTC-update or if an RTC-alarm goes off after shutdown (e.g. when using RTC wakeup). The RTC and RTT-peripherals are powered by backup power (VDDBU) (on all AT91 SOCs but RM9200) and are not reset on wake-up, user, watchdog or software reset. This means that their interrupts may be enabled during early boot if, for example, they where not disabled during a previous shutdown (e.g. due to a buggy driver or a non-clean shutdown such as a user reset). Furthermore, an RTC or RTT-alarm may also be active. The RTC and RTT-interrupts use the shared system-interrupt line, which is also used by the PIT, and if an interrupt occurs before a handler (e.g. RTC-driver) has been installed this leads to the system interrupt being disabled and prevents the system from booting. Note that when boot hangs due to an early RTC or RTT-interrupt, the only way to get the system to start again is to remove the backup power (e.g. battery) or to disable the interrupt manually from the bootloader. In particular, a user reset is not sufficient. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: stable@vger.kernel.org # 3.11.x
* | ARM: AT91: DT: pm: Select ram controller standby based on DTJean-Christophe PLAGNIOL-VILLARD2013-10-161-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | Move non-dt selection to ioremap_registers init which is only called not non-dt board. So we can support sam9n12/sam9x5/sama5d3 too. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* | ARM: AT91: pm: Factorize standby functionJean-Christophe PLAGNIOL-VILLARD2013-10-161-1/+1
| | | | | | | | | | | | | | | | | | | | Detect presence of second bank. So we do not need to have on function per SoC Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
* | ARM: at91: cpuidle: Convert to platform driverDaniel Lezcano2013-10-161-0/+3
|/ | | | | | | | | | | | | | | | | | | | | | | | | Using the platform driver model is a good way to separate the cpuidle specific code from the low level pm code. It allows to remove the dependency between these two components. The platform_device is located in the pm code and a 'set' function has been added to set the standby function from the AT91_SOC_START initialization function. Each SoC with a cpuidle driver will set the standby function in the platform_data field at init time. Then pm code will register the cpuidle platform device. The cpuidle driver will register the platform_driver and use the device's platform_data as a standby callback in the idle path. The at91_pm_enter function contains a { if then else } based on cpu_is_xx similar to what was in cpuidle. This is considered dangerous when adding a new SoC. Like the cpuidle driver, a standby ops is defined and assigned when the SoC init function specifies what is its standby function and reused in the at91_pm_enter's 'case' block. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* Merge tag 'dt-for-linus' of ↵Linus Torvalds2013-07-021-0/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC device tree changes from Arnd Bergmann: "These changes from 30 individual branches for the most part update device tree files, but there are also a few source code changes that have crept in this time, usually in order to atomically move over a driver from using hardcoded data to DT probing. A number of platforms change their DT files to use the C preprocessor, which is causing a bit of churn, but that is hopefully only this once" * tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (372 commits) ARM: at91: dt: rm9200ek: add spi support ARM: at91: dt: rm9200: add spi support ARM: at91/DT: at91sam9n12: add SPI DMA client infos ARM: at91/DT: sama5d3: add SPI DMA client infos ARM: at91/DT: fix SPI compatibility string ARM: Kirkwood: Fix the internal register ranges translation ARM: dts: bcm281xx: change comment to C89 style ARM: mmc: bcm281xx SDHCI driver (dt mods) ARM: nomadik: add the new clocks to the device tree clk: nomadik: implement the Nomadik clocks properly ARM: dts: omap5-uevm: Provide USB Host PHY clock frequency ARM: dts: omap4-panda: Fix DVI EDID reads ARM: dts: omap4-panda: Add USB Host support arm: mvebu: enable mini-PCIe connectors on Armada 370 RD ARM: shmobile: irqpin: add a DT property to enable masking on parent ARM: dts: AM43x EPOS EVM support ARM: dts: OMAP5: Add bandgap DT entry ARM: dts: AM33XX: Add pinmux configuration for CPSW to am335x EVM ARM: dts: AM33XX: Add pinmux configuration for CPSW to EVMsk ARM: dts: AM33XX: Add pinmux configuration for CPSW to beaglebone ...
| * ARM: at91: sam9g45 add udc DT supportJean-Christophe PLAGNIOL-VILLARD2013-06-151-0/+2
| | | | | | | | | | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Tested-by: Bo Shen <voice.shen@atmel.com>
* | ARM: at91: fix at91_extern_irq usage for non-dt boardsJean-Christophe PLAGNIOL-VILLARD2013-06-211-1/+1
|/ | | | | | | | | | | | | | | | | Since 4b68520dc0ec96153bc0d87bca5ffba508edfcf ARM: at91: add AIC5 support we allocate the at91_extern_irq. This patch makes it static and stores the non-dt extern irq in the soc structure. It is then possible to use a at91_get_extern_irq() function to get the value for outside of the irq driver. It is useful for passing its value to at91_aic_init(). Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com> [nicolas.ferre@atmel.com: rework commit message] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* Merge tag 'drivers-for-linus' of ↵Linus Torvalds2013-05-041-0/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC driver changes from Olof Johansson: "This is a rather large set of patches for device drivers that for one reason or another the subsystem maintainer preferred to get merged through the arm-soc tree. There are both new drivers as well as existing drivers that are getting converted from platform-specific code into standalone drivers using the appropriate subsystem specific interfaces. In particular, we can now have pinctrl, clk, clksource and irqchip drivers in one file per driver, without the need to call into platform specific interface, or to get called from platform specific code, as long as all information about the hardware is provided through a device tree. Most of the drivers we touch this time are for clocksource. Since now most of them are part of drivers/clocksource, I expect that we won't have to touch these again from arm-soc and can let the clocksource maintainers take care of these in the future. Another larger part of this series is specific to the exynos platform, which is seeing some significant effort in upstreaming and modernization of its device drivers this time around, which unfortunately is also the cause for the churn and a lot of the merge conflicts. There is one new subsystem that gets merged as part of this series: the reset controller interface, which is a very simple interface for taking devices on the SoC out of reset or back into reset. Patches to use this interface on i.MX follow later in this merge window, and we are going to have other platforms (at least tegra and sirf) get converted in 3.11. This will let us get rid of platform specific callbacks in a number of platform independent device drivers." * tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (256 commits) irqchip: s3c24xx: add missing __init annotations ARM: dts: Disable the RTC by default on exynos5 clk: exynos5250: Fix parent clock for sclk_mmc{0,1,2,3} ARM: exynos: restore mach/regs-clock.h for exynos5 clocksource: exynos_mct: fix build error on non-DT pinctrl: vt8500: wmt: Fix checking return value of pinctrl_register() irqchip: vt8500: Convert arch-vt8500 to new irqchip infrastructure reset: NULL deref on allocation failure reset: Add reset controller API dt: describe base reset signal binding ARM: EXYNOS: Add arm-pmu DT binding for exynos421x ARM: EXYNOS: Add arm-pmu DT binding for exynos5250 ARM: EXYNOS: Enable PMUs for exynos4 irqchip: exynos-combiner: Correct combined IRQs for exynos4 irqchip: exynos-combiner: Add set_irq_affinity function for combiner_irq ARM: EXYNOS: fix compilation error introduced due to common clock migration clk: exynos5250: Fix divider values for sclk_mmc{0,1,2,3} clk: exynos4: export clocks required for fimc-is clk: samsung: Fix compilation error clk: tegra: fix enum tegra114_clk to match binding ...
| * ARM: at91/avr32/atmel_lcdfb: add platform device-id tableJohan Hovold2013-03-131-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add platform device-id table in order to identify the controller and determine its configuration. The currently used configuration parameters are: have_alt_pixclock - SOC uses an alternate pixel-clock calculation formula (at91sam9g45 non-ES) have_hozval - SOC has a HOZVAL field in LCDFRMCFG which is used to determine the linesize for STN displays (at91sam9261, at921sam9g10 and at32ap) have_intensity_bit - SOC uses IBGR:555 rather than BGR:565 16-bit pixel layout (at91sam9261, at91sam9263 and at91sam9rl) This allows us to remove all the remaining uses of cpu_is macros from the driver. Tested on at91sam9263 and at91sam9g45, compile-tested for other AT91-SOCs, and untested for AVR32. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
| * ARM: at91/avr32/atmel_lcdfb: add bus-clock entryJohan Hovold2013-03-131-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add hclk entry for the atmel_lcdfb bus clock. On at91sam9261, at91sam9g10 and at32ap the bus clock has to be enabled as well as the peripheral clock. Add the appropriate lookup entries to these SOCs and fake clocks to the SOCs that do not use it. This allows us to get rid of the conditional enabling of the clocks in the driver which relied on the cpu_is macros. Tested on at91sam9263 and at91sam9g45, compile-tested for other AT91-SOCs, and untested for AVR32. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* | Merge tag 'soc-for-linus' of ↵Linus Torvalds2013-05-021-1/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC platform updates from Olof Johansson: "This branch contains part 1 of the platform updates for 3.10. Among the highlights: - Support for the new Atmel Cortex-A5 based platforms (SAMA5D3) - New support for CSR SiRFatlas6 SoCs - A handful of updates for NVidia T114 (a.k.a. Tegra 4) - A bunch of updates for the shmobile platforms - A handful of updates for davinci - A few updates for Qualcomm MSM - Plus a handful of other patches, defconfig updates, etc." * tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (135 commits) ARM: tegra: pm: fix build error w/o PM_SLEEP ARM: davinci: ensure global variables are declared ARM: davinci: sram.c: fix incorrect type in assignment ARM: davinci: da8xx dt: make file local symbols static ARM: davinci: da8xx: add remoteproc support ARM: socfpga: Upgrade clk driver for socfpga to make use of dts clock entries ARM: socfpga: Add clock entries into device tree ARM: socfpga: Enable soft reset ARM: EXYNOS: replace cpumask by the corresponding macro ARM: EXYNOS: handle properly the return values ARM: EXYNOS: factor out the idle states ARM: OMAP4: Enable fix for Cortex-A9 erratas ARM: OMAP2+: Export SoC information to userspace ARM: OMAP2+: SoC name and revision unification ARM: OMAP2+: Move common part of late init into common function ARM: tegra: pm: remove duplicated include from pm.c ARM: davinci: da850: override mmc DT node device name ARM: davinci: da850: add mmc DT entries mmc: davinci_mmc: add DT support ARM: SAMSUNG: check processor type before cache restoration in resume ...
| * | ARM: at91: change name template in AT91_SOC_START macroLudovic Desroches2013-03-261-1/+1
| |/ | | | | | | | | | | | | | | | | New devices are no more prefixed with at91 so remove the at91 and _name concatenation. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
* / ARM: at91: add clocks for spi dt entriesRichard Genoud2013-04-241-0/+2
|/ | | | | | | | Signed-off-by: Richard Genoud <richard.genoud@gmail.com> [<wenyou.yang@atmel.com: declare the spi clocks for sam9260, at91sam9g45, and at91sam9n12] [wenyou.yang@atmel.com: submit the patch] Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
* Merge tag 'sound-3.8' of ↵Linus Torvalds2012-12-131-2/+4
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound updates from Takashi Iwai: "This update contains a fairly wide range of changes all over in sound subdirectory, mainly because of UAPI header moves by David and __dev* annotation removals by Bill. Other highlights are: - Introduced the support for wallclock timestamps in ALSA PCM core - Add the poll loop implementation for HD-audio jack detection - Yet more VGA-switcheroo fixes for HD-audio - New VIA HD-audio codec support - More fixes on resource management in USB audio and MIDI drivers - More quirks for USB-audio ASUS Xonar U3, Reloop Play, Focusrite, Roland VG-99, etc - Add support for FastTrack C400 usb-audio - Clean ups in many drivers regarding firmware loading - Add PSC724 Ultiimate Edge support to ice1712 - A few hdspm driver updates - New Stanton SCS.1d/1m FireWire driver - Standardisation of the logging in ASoC codes - DT and dmaengine support for ASoC Atmel - Support for Wolfson ADSP cores - New drivers for Freescale/iVeia P1022 and Maxim MAX98090 - Lots of other ASoC driver fixes and developments" Fix up trivial conflicts. And go out on a limb and assume the dts file 'status' field of one of the conflicting things was supposed to be "disabled", not "disable" like in pretty much all other cases. * tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (341 commits) ALSA: hda - Move runtime PM check to runtime_idle callback ALSA: hda - Add stereo-dmic fixup for Acer Aspire One 522 ALSA: hda - Avoid doubly suspend after vga switcheroo ALSA: usb-audio: Enable S/PDIF on the ASUS Xonar U3 ALSA: hda - Check validity of CORB/RIRB WP reads ALSA: hda - use usleep_range in link reset and change timeout check ALSA: HDA: VIA: Add support for codec VT1808. ALSA: HDA: VIA Add support for codec VT1705CF. ASoC: codecs: remove __dev* attributes ASoC: utils: remove __dev* attributes ASoC: ux500: remove __dev* attributes ASoC: txx9: remove __dev* attributes ASoC: tegra: remove __dev* attributes ASoC: spear: remove __dev* attributes ASoC: sh: remove __dev* attributes ASoC: s6000: remove __dev* attributes ASoC: OMAP: remove __dev* attributes ASoC: nuc900: remove __dev* attributes ASoC: mxs: remove __dev* attributes ASoC: kirkwood: remove __dev* attributes ...
| * ARM: at91: atmel-ssc: add device tree supportBo Shen2012-11-071-0/+2
| | | | | | | | | | | | | | | | | | | | | | Add atmel-ssc for device tree support Match "atmel,at91rm9200-ssc" for using pdc for data transfer Match "atmel,at91sam9g45-ssc" for using dma for data transfer Signed-off-by: Bo Shen <voice.shen@atmel.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
| * ARM: at91: atmel-ssc: add platform device id tableBo Shen2012-11-061-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | Add platform device id to check whether the SSC controller support pdc or dam for data transfer If match "at91rm9200_ssc", which support pdc for data transfer If match "at91sam9g45_ssc", which support dma for data transfer Signed-off-by: Bo Shen <voice.shen@atmel.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
* | Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds2012-12-121-1/+0
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull ARM SoC cleanups on various subarchitectures from Olof Johansson: "Cleanup patches for various ARM platforms and some of their associated drivers. There's also a branch in here that enables Freescale i.MX to be part of the multiplatform support -- the first "big" SoC that is moved over (more multiplatform work comes in a separate branch later during the merge window)." Conflicts fixed as per Olof, including a silent semantic one in arch/arm/mach-omap2/board-generic.c (omap_prcm_restart() was renamed to omap3xxx_restart(), and a new user of the old name was added). * tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (189 commits) ARM: omap: fix typo on timer cleanup ARM: EXYNOS: Remove unused regs-mem.h file ARM: EXYNOS: Remove unused non-dt support for dwmci controller ARM: Kirkwood: Use hw_pci.ops instead of hw_pci.scan ARM: OMAP3: cm-t3517: use GPTIMER for system clock ARM: OMAP2+: timer: remove CONFIG_OMAP_32K_TIMER ARM: SAMSUNG: use devm_ functions for ADC driver ARM: EXYNOS: no duplicate mask/unmask in eint0_15 ARM: S3C24XX: SPI clock channel setup is fixed for S3C2443 ARM: EXYNOS: Remove i2c0 resource information and setting of device names ARM: Kirkwood: checkpatch cleanups ARM: Kirkwood: Fix sparse warnings. ARM: Kirkwood: Remove unused includes ARM: kirkwood: cleanup lsxl board includes ARM: integrator: use BUG_ON where possible ARM: integrator: push down SC dependencies ARM: integrator: delete static UART1 mapping ARM: integrator: delete SC mapping on the CP ARM: integrator: remove static CP syscon mapping ARM: integrator: remove static AP syscon mapping ...
| * | ARM: at91: remove obsoleted init_consistent_dma_size()Marek Szyprowski2012-11-131-1/+0
| |/ | | | | | | | | | | | | Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com> CC: Nicolas Ferre <nicolas.ferre@atmel.com> CC: Andrew Victor <linux@maxim.org.za>
* | Merge tag 'headers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds2012-12-121-1/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull ARM SoC Header cleanups from Olof Johansson: "This is a collection of header file cleanups, mostly for OMAP and AT91, that keeps moving the platforms in the direction of multiplatform by removing the need for mach-dependent header files used in drivers and other places." Fix up mostly trivial conflicts as per Olof. * tag 'headers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (106 commits) ARM: OMAP2+: Move iommu/iovmm headers to platform_data ARM: OMAP2+: Make some definitions local ARM: OMAP2+: Move iommu2 to drivers/iommu/omap-iommu2.c ARM: OMAP2+: Move plat/iovmm.h to include/linux/omap-iommu.h ARM: OMAP2+: Move iopgtable header to drivers/iommu/ ARM: OMAP: Merge iommu2.h into iommu.h atmel: move ATMEL_MAX_UART to platform_data/atmel.h ARM: OMAP: Remove omap_init_consistent_dma_size() arm: at91: move at91rm9200 rtc header in drivers/rtc arm: at91: move reset controller header to arm/arm/mach-at91 arm: at91: move pit define to the driver arm: at91: move at91_shdwc.h to arch/arm/mach-at91 arm: at91: move board header to arch/arm/mach-at91 arn: at91: move at91_tc.h to arch/arm/mach-at91 arm: at91 move at91_aic.h to arch/arm/mach-at91 arm: at91 move board.h to arch/arm/mach-at91 arm: at91: move platfarm_data to include/linux/platform_data/atmel.h arm: at91: drop machine defconfig ARM: OMAP: Remove NEED_MACH_GPIO_H ARM: OMAP: Remove unnecessary mach and plat includes ...
| * | arm: at91 move at91_aic.h to arch/arm/mach-at91Jean-Christophe PLAGNIOL-VILLARD2012-11-061-1/+1
| |/ | | | | | | | | | | | | as this is only used board old style board old mach code Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
* | ARM: at91: add clocks for DT entriesLudovic Desroches2012-11-191-0/+2
| | | | | | | | | | | | | | | | Add clocks to clock lookup table for DT entries. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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