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2013-09-17ARM: tegra: remove common.cStephen Warren1-113/+0
common.c was create to contain code shared across the various Tegra board files. There is now only one board file, tegra.c. So, move the code there. One exception is the PMC reboot routine, which moves to pmc.c, and now takes advantage of the 'standard' tegra_pmc_readl/writel functions. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-09-17ARM: tegra: split tegra_pmc_init() in twoStephen Warren1-3/+1
Tegra's board file currently initializes clocks much earlier than those for most other ARM SoCs. The reason is: * The PMC HW block is involved in the path of some interrupts (i.e. it inverts, or not, the IRQ input pin dedicated to the PMIC). * So, that part of the PMC must be initialized early so that the IRQ polarity is correct. * The PMC initialization is currently monolithic, and the PMC has some clock inputs, so the init routine ends up calling of_clk_get_by_name(), and hence clocks must be set up early too. In order to defer clock initialization to the more typical location, split out the portions of tegra_pmc_init() that are truly IRQ-related into a separate tegra_pmc_init_irq(), which can be called from the machine descriptor's .init_irq() function, and defer the rest until the machine descriptor's .init_machine() function. This allows the clock initiliazation to happen from the machine descriptor's .init_time() function, as is typical. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-07-09reboot: arm: change reboot_mode to use enum reboot_modeRobin Holt1-1/+2
Preparing to move the parsing of reboot= to generic kernel code forces the change in reboot_mode handling to use the enum. [akpm@linux-foundation.org: fix arch/arm/mach-socfpga/socfpga.c] Signed-off-by: Robin Holt <holt@sgi.com> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Russ Anderson <rja@sgi.com> Cc: Robin Holt <holt@sgi.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-07-03Merge tag 'clk-for-linus-3.11' of git://git.linaro.org/people/mturquette/linuxLinus Torvalds1-2/+2
Pull clock framework updates from Mike Turquette: "The common clock framework changes for 3.11 include new clock drivers across several different platforms and architectures, fixes to existing drivers, a MAINTAINERS file fix and improvements to the basic clock types that allow them to be of use to more platforms than before. Only a few fixes to the core framework are included with most all of the changes landing in the various clock drivers themselves." * tag 'clk-for-linus-3.11' of git://git.linaro.org/people/mturquette/linux: (55 commits) clk: tegra: fix ifdef for tegra_periph_reset_assert inline clk: tegra: provide tegra_periph_reset_assert alternative clk: exynos4: Fix clock aliases for cpufreq related clocks clk: samsung: Add MUX_FA macro to pass flag and alias clk: add support for Rockchip gate clocks clk: vexpress: Make the clock drivers directly available for arm64 clk: vexpress: Use full node name to identify individual clocks clk: tegra: T114: add DFLL DVCO reset control clk: tegra: T114: add DFLL source clocks clk: tegra: T114: add FCPU clock shaper programming, needed by the DFLL clk: gate: add CLK_GATE_HIWORD_MASK clk: divider: add CLK_DIVIDER_HIWORD_MASK flag clk: mux: add CLK_MUX_HIWORD_MASK clk: Always notify whole subtree when reparenting MAINTAINERS: make drivers/clk entry match subdirs clk: honor CLK_GET_RATE_NOCACHE in clk_set_rate clk: use clk_get_rate() for debugfs clk: tegra: Use override bits when needed clk: tegra: override bits for Tegra30 PLLM clk: tegra: override bits for Tegra114 PLLM ...
2013-06-05ARM: tegra: cpuidle: move the init function behind the suspend init functionJoseph Lo1-0/+2
One of the state of CPUidle on Tegra can power gate the CPU and the vdd_cpu rail. But it depends on some configurations from DT and a common hook function for different Tegra SoCs to power gate the CPU rail. And these stuffs are initialized after common Tegra suspend init function. So we move the CPUidle init behind the suspend init function. And making the CPUidle driver more generic. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-05-31clk: tegra: Use common of_clk_init functionPrashant Gaikwad1-2/+2
Use common of_clk_init() function for clocks initialization. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> Reviewed-by: Thierry Reding <thierry.reding@gmail.com> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2013-04-09Merge tag 'tegra-for-3.10-multiplatform' of ↵Arnd Bergmann1-2/+0
git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/multiplatform From Stephen Warren <swarren@wwwdotorg.org>: ARM: tegra: multi-platform conversion This branch converts Tegra to support multi-platform/single-zImage. One header is made accessible to drivers. The earlyprintk implementation is moved to the multi-platform location. Some Kconfig changes are made to enable multi-platform. Some dead files are deleted. The APIs exposed in the now-global tegra-powergate.h should be replaced with standard reset and power domain APIs in the future. This branch is based on (part of) the previous soc pull request. * tag 'tegra-for-3.10-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: ARM: tegra: convert to multi-platform ARM: tegra: move <mach/powergate.h> to <linux/tegra-powergate.h> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-03ARM: tegra: pm: add platform suspend supportJoseph Lo1-0/+1
Adding suspend to RAM support for Tegra platform. There are three suspend mode for Tegra. The difference were below. * LP2: CPU voltage off * LP1: CPU voltage off, DRAM in self-refresh * LP0: CPU + Core voltage off, DRAM in self-refresh After this patch, the LP2 suspend mode will be supported. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-03ARM: tegra: irq: add wake up handlingJoseph Lo1-0/+2
Add the wake up handling for legacy irq controller, and using IRQCHIP_MASK_ON_SUSPEND for wake irq handling. Based on the work by: Varun Wadekar <vwadekar@nvidia.com> Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-03ARM: tegra: moving the CPU power timer function to PMC driverJoseph Lo1-1/+1
The CPU power timer set up function was related to PMC register. Now moving it to PMC driver. And it also help to clean up the PM related code later. The timer was calculated based on the input clock of PMC. In this patch, we also get the clock from DT. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-29ARM: tegra: move <mach/powergate.h> to <linux/tegra-powergate.h>Stephen Warren1-2/+0
This is required so that code such as Tegra's PCIe and clock drivers can still access this header file once Tegra is converted to multiplatform, and <mach/> no longer exists. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-11ARM: tegra: Unify tegra{20,30,114}_init_early()Hiroshi Doyu1-24/+2
Refactored tegra{20,30,114}_init_early() so that we have the unified tegra_init_early(). Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-02-09Merge branch 'tegra/t114' into next/socOlof Johansson1-8/+17
Add a couple of fixes sent via email (via Stephen/Hiroshi). * tegra/t114: ARM: tegra: sort Kconfig selects for Tegra114 ARM: tegra: enable ARCH_REQUIRE_GPIOLIB for Tegra114 ARM: tegra: Fix build error w/ ARCH_TEGRA_114_SOC w/o ARCH_TEGRA_3x_SOC Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-09ARM: tegra: Fix build error w/ ARCH_TEGRA_114_SOC w/o ARCH_TEGRA_3x_SOCOlof Johansson1-8/+17
This patch fixes the build error when ARCH_TEGRA_114_SOC is enabled and ARCH_TEGRA_3x_SOC is disabled. This provides Tegra114 with its own tegra114_init_early() instead of making use of tegra30_init_early() so that T114 build doesn't depend on T3x anymore. Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2013-02-05Merge tag 'tegra-for-3.9-soc-ccf' of ↵Olof Johansson1-42/+5
git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc From Stephen Warren: ARM: tegra: Common Clock Framework rework Tegra already supports the common clock framework, but had issues: 1) The clock driver was located in arch/arm/mach-tegra/ rather than drivers/clk/. 2) A single "Tegra clock" type was implemented, rather than separate clock types for PLL, mux, divider, ... type in HW. 3) Clock lookups by device drivers were still driven by device name and connection ID, rather than through device tree. This pull request solves all three issues. This required some DT changes to add clocks properties, and driver changes to request clocks more "correctly". Finally, this rework allows all AUXDATA to be removed from Tegra board files, and various duplicate clock lookup entries to be removed from the driver. This pull request is based on the previous pull request, with tag tegra-for-3.9-cleanup. * tag 'tegra-for-3.9-soc-ccf' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: (31 commits) clk: tegra30: remove unused TEGRA_CLK_DUPLICATE()s clk: tegra20: remove unused TEGRA_CLK_DUPLICATE()s ARM: tegra30: remove auxdata ARM: tegra20: remove auxdata ASoC: tegra: remove auxdata staging: nvec: remove use of clk_get_sys ARM: tegra: paz00: add clock information to DT ARM: tegra: add clock properties to Tegra30 DT ARM: tegra: add clock properties to Tegra20 DT spi: tegra: do not use clock name to get clock ARM: tegra: remove legacy clock code ARM: tegra: migrate to new clock code clk: tegra: add clock support for Tegra30 clk: tegra: add clock support for Tegra20 clk: tegra: add Tegra specific clocks ARM: tegra: define Tegra30 CAR binding ARM: tegra: define Tegra20 CAR binding ARM: tegra: move tegra_cpu_car.h to linux/clk/tegra.h ARM: tegra: add function to read chipid ARM: tegra: fix compile error when disable CPU_IDLE ... Signed-off-by: Olof Johansson <olof@lixom.net> Conflicts: arch/arm/mach-tegra/board-dt-tegra20.c arch/arm/mach-tegra/board-dt-tegra30.c arch/arm/mach-tegra/common.c arch/arm/mach-tegra/platsmp.c drivers/clocksource/Makefile
2013-01-28ARM: tegra: Add initial support for Tegra114 SoC.Hiroshi Doyu1-0/+1
Add new Tegra 114 SoC support. Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28ARM: tegra: migrate to new clock codePrashant Gaikwad1-42/+2
Migrate Tegra clock support to drivers/clk/tegra, this involves moving: 1. definition of tegra_cpu_car_ops to clk.c 2. definition of reset functions to clk-peripheral.c 3. change parent of cpu clock. 4. Remove legacy clock initialization. 5. Initialize clocks using DT. 6. Remove all instance of mach/clk.h Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> [swarren: use to_clk_periph_gate().] Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-28ARM: tegra: make device can run on UPJoseph Lo1-0/+3
The reset handler code is used for either UP or SMP. To make Tegra device can compile for UP. It needs to be moved to another file that is not SMP only. This is because the reset handler also be needed by CPU idle "powered-down" mode. So we also need to put the reset handler init function in non-SMP only and init them always. And currently the implementation of the reset handler to know which CPU is OK to bring up was identital with "cpu_present_mask". But the "cpu_present_mask" did not initialize yet when the reset handler init function was moved to init early function. We use the "cpu_possible_mask" to replace "cpu_present_mask". Then it can work on both UP and SMP case. Signed-off-by: Joseph Lo <josephl@nvidia.com> [swarren: dropped the move of v7_invalidate_l1() from one file to another, to avoid conflicts with Pavel's cleanup of this function, adjust Makefile so each line only contains 1 file.] Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-01-12ARM: use common irqchip_init for GIC initRob Herring1-8/+2
Convert all GIC DT initialization over to use common irqchip_init function. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Kukjin Kim <kgene.kim@samsung.com> Acked-by: Shawn Guo <shawn.guo@linaro.org> Cc: Sascha Hauer <kernel@pengutronix.de> Cc: David Brown <davidb@codeaurora.org> Cc: Daniel Walker <dwalker@fifo99.com> Cc: Bryan Huntsman <bryanh@codeaurora.org> Cc: Tony Lindgren <tony@atomide.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Magnus Damm <magnus.damm@gmail.com> Cc: Dinh Nguyen <dinguyen@altera.com> Cc: Viresh Kumar <viresh.linux@gmail.com> Cc: Shiraz Hashim <shiraz.hashim@st.com> Cc: Stephen Warren <swarren@wwwdotorg.org> Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Cc: Linus Walleij <linus.walleij@linaro.org>
2012-12-17Merge tag 'tegra-for-3.8-fixes-for-rc1' of ↵Olof Johansson1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into fixes ARM: tegra: fixes for 3.8 This branch contains a few miscellaneous fixes that have shown up in the last few weeks. By Sivaram Nair (2) and Hiroshi Doyu (1) via Stephen Warren * tag 'tegra-for-3.8-fixes-for-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: amba: tegra-ahb: Fix warning w/o PM_SLEEP ARM: tegra: fix comment in dsib clk set_parent ARM: tegra: select correct parent clk for pll_p Signed-off-by: Olof Johansson <olof@lixom.net>
2012-12-13Merge tag 'multiplatform' of ↵Linus Torvalds1-4/+5
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC multiplatform conversion patches from Olof Johansson: "Here are more patches in the progression towards multiplatform, sparse irq conversions in particular. Tegra has a handful of cleanups and general groundwork, but is not quite there yet on full enablement. Platforms that are enabled through this branch are VT8500 and Zynq. Note that i.MX was converted in one of the earlier cleanup branches as well (before we started a separate topic for multiplatform). And both new platforms for this merge window, sunxi and bcm, were merged with multiplatform support enabled." Fix up conflicts mostly as per Olof. * tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits) ARM: zynq: Remove all unused mach headers ARM: zynq: add support for ARCH_MULTIPLATFORM ARM: zynq: make use of debug_ll_io_init() ARM: zynq: remove TTC early mapping ARM: tegra: move debug-macro.S to include/debug ARM: tegra: don't include iomap.h from debug-macro.S ARM: tegra: decouple uncompress.h and debug-macro.S ARM: tegra: simplify DEBUG_LL UART selection options ARM: tegra: select SPARSE_IRQ ARM: tegra: enhance timer.c to get IO address from device tree ARM: tegra: enhance timer.c to get IRQ info from device tree ARM: timer: fix checkpatch warnings ARM: tegra: add TWD to device tree ARM: tegra: define DT bindings for and instantiate RTC ARM: tegra: define DT bindings for and instantiate timer clocksource/mtu-nomadik: use apb_pclk clk: ux500: Register mtu apb_pclocks ARM: plat-nomadik: convert platforms to SPARSE_IRQ mfd/db8500-prcmu: use the irq_domain_add_simple() mfd/ab8500-core: use irq_domain_add_simple() ...
2012-11-26ARM: tegra: select correct parent clk for pll_pSivaram Nair1-1/+1
For Tegra30, pll_p clk's parent is wrongly specified as clk_m instead of pll_ref in the tegra30_clk_init_table and this is resulting in a boot-time warning. This patch fixes this by correcting the clk init table. Signed-off-by: Sivaram Nair <sivaramn@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16ARM: tegra: decouple uncompress.h and debug-macro.SStephen Warren1-1/+3
Prior to this change, Tegra's debug-macro.S relied on uncompress.h having determined which UART to use, and whether it was safe to use the UART (i.e. is it not in reset, and is clocked). This determination was communicated from uncompress.h to debug-macro.S using a few bytes of Tegra's IRAM (an on-SoC RAM). This had the disadvantage that uncompress.h was a required part of the kernel boot process; booting a non-compressed kernel would not allow earlyprintk to operate. This change duplicates the UART selection and validation logic into debug-macro.S so that the reliance on uncompress.h is removed. This also helps out with single-zImage work, since there is currently no support for using any uncompress.h with single-zImage. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-16ARM: tegra: simplify DEBUG_LL UART selection optionsStephen Warren1-3/+2
Delete CONFIG_TEGRA_DEBUG_UART_AUTO_SCRATCH; it's not useful any more: * No upstream bootloader currently or will ever support this option. * CONFIG_TEGRA_DEBUG_UART_AUTO_ODMDATA is a much more direct alternative. Merge the fixed and automatic UART selection menus into a single choice for simplicity; now you either pick AUTO_ODMDATA or a single fixed UART, rather than potentially having an AUTO option override whatever fixed option was chosen. Remove TEGRA_DEBUG_UART_NONE; if you don't want a Tegra DEBUG_LL UART, simply don't turn on DEBUG_LL. NONE used to be the default option, so pick AUTO_ODMDATA as the new default. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15ARM: tegra: retain L2 content over CPU suspend/resumeJoseph Lo1-1/+5
The L2 RAM is in different power domain from the CPU cluster. So the L2 content can be retained over CPU suspend/resume. To do that, we need to disable L2 after the MMU is disabled, and enable L2 before the MMU is enabled. But the L2 controller is in the same power domain with the CPU cluster. We need to restore it's settings and re-enable it after the power be resumed. Signed-off-by: Joseph Lo <josephl@nvidia.com> Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15ARM: tegra30: common: enable csite clockJoseph Lo1-0/+1
Enable csite (debug and trace controller) clock at init to prevent it be disabled. And this also the necessary clock for CPU be brought up or resumed from a power-gating low power state. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-14ARM: tegra: Implement 6395/1 for TegraPeter De Schrijver1-1/+1
This patch implements ARM linux patch 6395/1 for Tegra. See commit 1a8e41c "ARM: 6395/1: VExpress: Set bit 22 in the PL310 (cache controller) AuxCtlr register" for details. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> [swarren: added commit subject for referenced patch] Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-09ARM: tegra: enable data prefetch on L2Joseph Lo1-1/+1
Enable the data prefetch on L2. The bit28 in aux ctrl register. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
2012-11-05ARM: tegra: common: using OF api for L2 cache initJoseph Lo1-7/+4
Moving L2 cache init to DT support. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05ARM: tegra30: clocks: add AHB and APB clocksJoseph Lo1-0/+4
Adding the AHB and APB bus clock for Tegra30. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-05ARM: tegra: move iomap.h to mach-tegraStephen Warren1-1/+1
Nothing outside mach-tegra uses this file, so there's no need for it to be in <mach/>. Since uncompress.h and debug-macro.S remain in include/mach, they need to include "../../iomap.h" becaue of this change. uncompress.h will soon be deleted in later multi-platform/single-zImage patches. debug-macro.S will need to continue to include this header using an explicit relative path, to avoid duplicating the physical->virtual address mapping that iomap.h dictates. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-09-22Merge branch 'multiplatform/smp_ops' into next/multiplatformOlof Johansson1-0/+1
* multiplatform/smp_ops: ARM: consolidate pen_release instead of having per platform definitions ARM: smp: Make SMP operations mandatory ARM: SoC: convert spear13xx to SMP operations ARM: SoC: convert imx6q to SMP operations ARM: SoC: convert highbank to SMP operations ARM: SoC: convert shmobile SMP to SMP operations ARM: SoC: convert ux500 to SMP operations ARM: SoC: convert MSM to SMP operations ARM: SoC: convert Exynos4 to SMP operations ARM: SoC: convert Tegra to SMP operations ARM: SoC: convert OMAP4 to SMP operations ARM: SoC: convert VExpress/RealView to SMP operations ARM: SoC: add per-platform SMP operations Conflicts due to file moves or removals in: arch/arm/mach-msm/board-msm8960.c arch/arm/mach-msm/board-msm8x60.c arch/arm/mach-tegra/board-harmony.c arch/arm/mach-tegra/board-trimslice.c Conflicts due to board file cleanup: arch/arm/mach-tegra/board-paz00.c Conflicts due to cpu hotplug addition: arch/arm/mach-tegra/hotplug.c Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-13ARM: tegra20: add CPU hotplug supportJoseph Lo1-0/+1
Hotplug function put CPU in offline or online mode at runtime. When the CPU been put into offline, it was been clock gated. The offline CPU can be power gated, when the remaining CPU goes into LP2. Based on the worked by: Colin Cross <ccross@android.com> Gary King <gking@nvidia.com> Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-09-13ARM: tegra30: add CPU hotplug supportJoseph Lo1-0/+2
Hotplug function put CPUs in offline or online state at runtime. When the CPU been put in the offline state, it was been clock and power gated. Except primary CPU other CPUs can be hotplugged. Based on the work by: Scott Williams <scwilliams@nvidia.com> Colin Cross <ccross@android.com> Gary King <gking@nvidia.com> Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-09-13ARM: SoC: convert Tegra to SMP operationsMarc Zyngier1-0/+1
Convert Tegra to use struct smp_operations to provide its SMP and CPU hotplug operations. Tested on Harmony. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Stephen Warren <swarren@nvidia.com> Acked-by: Olof Johansson <olof@lixom.net> Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-09-06ARM: tegra: Remove duplicate codePrashant Gaikwad1-3/+0
Remove Tegra legacy clock framework code. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-09-06ARM: tegra: Add clk_tegra structure and helper functionsPrashant Gaikwad1-0/+2
Add Tegra platform specific clock structure clk_tegra and some helper functions for generic clock framework. struct clk_tegra is the single strcture used for all types of clocks. reset and cfg_ex ops moved to clk_tegra from clk_ops. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-07-06ARM: tegra: apbio access using dma for tegra20 onlyLaxman Dewangan1-0/+3
The Tegra20 HW issue with accessing APBIO registers (such as fuse registers) directly from the CPU concurrently with APB DMA accesses has been fixed in Tegra30 and later chips. Access these registers directly from the CPU on Tegra30 and later, and apply the workaround only for Tegra20. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Tested-by: Chaitanya Bandi <bandik@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-05-26Merge tag 'cleanup-initcall' of ↵Linus Torvalds1-0/+6
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull sweeping late_initcall cleanup for arm-soc from Olof Johansson: "This is a patch series from Shawn Guo that moves from individual late_initcalls() to using a member in the machine structure to invoke a platform's late initcalls. This cleanup is a step in the move towards multiplatform kernels since it would reduce the need to check for compatible platforms in each and every initcall." Fix up trivial conflicts in arch/arm/mach-{exynos/mach-universal_c210.c, imx/mach-cpuimx51.c, omap2/board-generic.c} due to changes nearby (and, in the case of cpuimx51.c the board support being deleted) * tag 'cleanup-initcall' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: ux500: use machine specific hook for late init ARM: tegra: use machine specific hook for late init ARM: shmobile: use machine specific hook for late init ARM: sa1100: use machine specific hook for late init ARM: s3c64xx: use machine specific hook for late init ARM: prima2: use machine specific hook for late init ARM: pnx4008: use machine specific hook for late init ARM: omap2: use machine specific hook for late init ARM: omap1: use machine specific hook for late init ARM: msm: use machine specific hook for late init ARM: imx: use machine specific hook for late init ARM: exynos: use machine specific hook for late init ARM: ep93xx: use machine specific hook for late init ARM: davinci: use machine specific hook for late init ARM: provide a late_initcall hook for platform initialization
2012-05-09Merge branch 'for-3.5/tegra30-audio' of ↵Olof Johansson1-0/+12
git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/drivers By Stephen Warren (5) and Peter De Schrijver (1) via Stephen Warren * 'for-3.5/tegra30-audio' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: ARM: dt: tegra cardhu: basic audio support ARM: dt: tegra30.dtsi: Add audio-related nodes ARM: tegra: add AUXDATA required for audio ARM: tegra: set up audio clocks for tegra30 dt ARM: tegra: Initialize pll_p_out1 ARM: tegra: provide clock aliases for AHUB configlink Signed-off-by: Olof Johansson <olof@lixom.net>
2012-05-08ARM: tegra: use machine specific hook for late initShawn Guo1-0/+6
Cc: Colin Cross <ccross@android.com> Cc: Olof Johansson <olof@lixom.net> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Stephen Warren <swarren@wwwdotorg.org>
2012-04-25ARM: tegra: change pll_p_out4's rate to 24MHzStephen Warren1-1/+1
pll_p_out4 is used on all/most Tegra boards to drive the cdev2 output pin to provide a reference clock to a ULPI USB PHY. This reference clock must run at 24MHz, and the cdev2 output has no additional dividers. Remove board-paz00.c's now-duplicate initialization of this clock. Reported-by: Marc Dietrich <marvin24@gmx.de> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-04-25ARM: tegra: fix pclk rateStephen Warren1-1/+1
Commit 40f9cf0 "ARM: tegra: reparent sclk to pll_c_out1" changed the rate of hclk. Since pclk is derived from that, and only has integer dividers, the pclk rate needs to change in the same fashion, from 54MHz to 60MHz. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-04-25ARM: tegra: reparent sclk to pll_c_out1Stephen Warren1-2/+4
pll_p_out4 needs to be used for other purposes. Reparent sclk so that it runs from pll_c. Change sclk's rate to 120MHz from 108MHz since this is the lowest precise rate that can be achieved by dividing the pll_c rate without reducing the sclk rate. (600/5=120, 600/5.5=109.0909..., 600/6=100). Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-04-25ARM: tegra: Initialize pll_p_out1Peter De Schrijver1-0/+12
pll_a uses pll_p_out1 as its parent. Therefore this clock needs to be initialized to make sure pll_a has a known input clock. Failure to do so will cause the system to crash early in the bootup. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-03-28Merge tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds1-0/+4
Pull "ARM: More SoC support updates" from Olof Johansson: "This branch contains a handful of updates of SoC base code that had dependencies on other external trees that have now been merged: * Support for the new EXYNOS5250 SoC from Samsung * SMP and power domain support for Tegra3 from NVIDIA * ux500 updates for exporting SoC information through sysfs" Fix up trivial merge conflicts as per Olof. * tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (30 commits) ARM: mach-shmobile: ap4evb: Reserve DMA memory for the frame buffer ARM: EXYNOS: Fix compilation error with mach-exynos4-dt board ARM: dts: add initial dts file for EXYNOS5250, SMDK5250 ARM: EXYNOS: add support device tree enabled board file for EXYNOS5 ARM: EXYNOS: add support ARCH_EXYNOS5 for EXYNOS5 SoCs ARM: EXYNOS: add support get_core_count() for EXYNOS5250 ARM: EXYNOS: support EINT for EXYNOS4 and EXYNOS5 ARM: EXYNOS: add interrupt definitions for EXYNOS5250 ARM: EXYNOS: add support for EXYNOS5250 SoC ARM: EXYNOS: add support uart for EXYNOS4 and EXYNOS5 ARM: EXYNOS: add initial setup-i2c0 for EXYNOS5 ARM: EXYNOS: add clock part for EXYNOS5250 SoC ARM: EXYNOS: use exynos_init_uarts() instead of exynos4_init_uarts() ARM: EXYNOS: to declare static for mach-exynos/common.c ARM: EXYNOS: Add clkdev lookup entry for lcd clock ARM: dt: Explicitly configure all serial ports on Tegra Cardhu ARM: tegra: support for secondary cores on Tegra30 ARM: tegra: support for Tegra30 CPU powerdomains ARM: tegra: add support for Tegra30 powerdomains ARM: tegra: export tegra_powergate_is_powered() ...
2012-03-27Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds1-0/+20
Pull "ARM: driver specific updates" from Arnd Bergmann: "These are all specific to some driver. They are typically the platform side of a change in the drivers directory, such as adding a new driver or extending the interface to the platform. In cases where there is no maintainer for the driver, or the maintainer prefers to have the platform changes in the same branch as the driver changes, the patches to the drivers are included as well. A much smaller set of driver updates that depend on other branches getting merged first will be sent later. The new export of tegra_chip_uid conflicts with other changes in fuse.c. In rtc-sa1100.c, the global removal of IRQF_DISABLED conflicts with the cleanup of the interrupt handling of that driver. Signed-off-by: Arnd Bergmann <arnd@arndb.de>" Fixed up aforementioned trivial conflicts. * tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (94 commits) ARM: SAMSUNG: change the name from s3c-sdhci to exynos4-sdhci mmc: sdhci-s3c: add platform data for the second capability ARM: SAMSUNG: support the second capability for samsung-soc ARM: EXYNOS: add support DMA for EXYNOS4X12 SoC ARM: EXYNOS: Add apb_pclk clkdev entry for mdma1 ARM: EXYNOS: Enable MDMA driver regulator: Remove bq24022 regulator driver rtc: sa1100: add OF support pxa: magician/hx4700: Convert to gpio-regulator from bq24022 ARM: OMAP3+: SmartReflex: fix error handling ARM: OMAP3+: SmartReflex: fix the use of debugfs_create_* API ARM: OMAP3+: SmartReflex: micro-optimization for sanity check ARM: OMAP3+: SmartReflex: misc cleanups ARM: OMAP3+: SmartReflex: move late_initcall() closer to its argument ARM: OMAP3+: SmartReflex: add missing platform_set_drvdata() ARM: OMAP3+: hwmod: add SmartReflex IRQs ARM: OMAP3+: SmartReflex: clear ERRCONFIG_VPBOUNDINTST only on a need ARM: OMAP3+: SmartReflex: Fix status masking in ERRCONFIG register ARM: OMAP3+: SmartReflex: Add a shutdown hook ARM: OMAP3+: SmartReflex Class3: disable errorgen before disable VP ... Conflicts: arch/arm/mach-tegra/Makefile arch/arm/mach-tegra/fuse.c drivers/rtc/rtc-sa1100.c
2012-03-27Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds1-0/+1
Pull "ARM: SoC specific updates" from Arnd Bergmann: "These changes are all specific to an soc family or the code for one soc. Lots of work for Tegra3 this time, but also a lot of other platforms. There will be another (smaller) set of soc patches later in the merge window for stuff that has dependencies on external trees or that was sent just before the merge window opened. The asoc tree added a few devices to the i.mx platform, which conflict with other devices added in the same place here. The tegra Makefile conflicts between a number of branches, mostly because of changes regarding localtimer.c, which was removed in the end. Signed-off-by: Arnd Bergmann <arnd@arndb.de>" Fix up some trivial conflicts, including the mentioned Tegra Makefile. * tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (51 commits) ARM: EXYNOS: fix cycle count for periodic mode of clock event timers ARM: EXYNOS: add support JPEG ARM: EXYNOS: Add DMC1, allow PPMU access for DMC ARM: SAMSUNG: Correct MIPI-CSIS io memory resource definition ARM: SAMSUNG: fix __init attribute on regarding s3c_set_platdata() ARM: SAMSUNG: Add __init attribute to samsung_bl_set() ARM: S5PV210: Add usb otg phy control ARM: S3C64XX: Add usb otg phy control ARM: EXYNOS: Enable l2 configuration through device tree ARM: EXYNOS: remove useless code to save/restore L2 ARM: EXYNOS: save L2 settings during bootup ARM: S5P: add L2 early resume code ARM: EXYNOS: Add support AFTR mode on EXYNOS4210 ARM: mx35: Setup the AIPS registers ARM: mx5: Use common function for configuring AIPS ARM: mx3: Setup AIPS registers ARM: mx3: Let mx31 and mx35 enter in LPM mode in WFI ARM: defconfig: imx_v6_v7: build in REGULATOR_FIXED_VOLTAGE ARM: imx: update imx_v6_v7_defconfig ARM: tegra: Demote EMC clock inconsistency BUG to WARN ...
2012-03-15Merge branch 'for-armsoc' of ↵Arnd Bergmann1-1/+2
http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into next/soc2 Conflicts: arch/arm/mach-tegra/common.c arch/arm/mach-ux500/devices-common.c This resolves two conflicts and lets us merge the exynos5 branch cleanly. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-03-04Merge tag 'tegra-soc-drivers' of ↵Arnd Bergmann1-0/+20
git://git.kernel.org/pub/scm/linux/kernel/git/olof/tegra into tegra/soc-drivers Tegra SoC driver support. Some device tree conversions, some new drivers. and a fix for an issue introduced in Grant Likely's irq_domain conversion in his tree. Because of that, this branch depends on his branch to build (but not to merge): git://git.secretlab.ca/git/linux-2.6.git irqdomain/next * tag 'tegra-soc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/olof/tegra: (34 commits) ARM: tegra: uncompress.h: Don't depend on kernel headers gpio: tegra: Fix build issue due to irq_domain rework. ARM: tegra: Remove duplicate PMU interrupt inversion code ARM: tegra: Add a simple PMC driver ARM: tegra: dma: not required to move requestor when stopping. ARM: tegra: Fix EMC pdata initialization from registers gpio: tegra: Parameterize the number of banks gpio: tegra: Dynamically allocate IRQ base, and support DT ARM: tegra: Remove use of TEGRA_GPIO_TO_IRQ ARM: tegra: Pass uncompress.h UART selection to DEBUG_LL ARM: tegra: uncompress.h: Choose a UART at runtime ARM: tegra: uncompress.h: Store UART address in a variable ARM: tegra: Introduce define DEBUG_UART_SHIFT ARM: tegra: Support Tegra30 in decompressor UART setup ARM: tegra: Pause DMA when reading transfer count ARM: tegra: emc: device tree support ARM: tegra: emc: convert tegra2_emc to a platform driver ARM: tegra: fuse: add bct strapping reading ARM: tegra: fuse: add functions to access chip revision ARM: tegra: fuse: use apbio dma for register access ... Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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