On Mon, May 25, 2015 at 07:09:24PM +0300, Andy Shevchenko wrote: > The new coming Intel platforms such as Skylake will contain Sunrisepoint PCH. > > The driver is based on MFD framework since the main device, i.e. serial bus > controller, contains register space for itself, DMA part, and an additional > address space (convergence layer). > > The public specification of the register map is avaiable in [3]. or [1]...? -- ~Vinod > > This is second generation of the patch series to bring support LPSS devices > found on Intel Sunrisepoint (Intel Skylake PCH). First one can be found here > [2]. > > The series has few logical parts: > - patches 1-3 prepares PM core, ACPI, and driver core (PM) to handle our case > - patches 4-6 introduce unregistering platform devices in MFD in reversed > order > - patch 7 implements iDMA 64-bit driver > - patch 8 introduces an MFD driver for LPSS devices > > The patch 8 depends on clkdev_create() helper that has been introduced by > Russel King in [3]. > > The driver has been tested with SPI and UART on Intel Skylake PCH. > > [1] https://download.01.org/future-platform-configuration-hub/skylake/register-definitions/332219_001_Final.pdf > [2] https://lkml.org/lkml/2015/3/31/255 > [3] https://patchwork.linuxtv.org/patch/28464/ > > Changelog v2: > - new DMA driver to fully support iDMA 64-bit IP > - patch 3 is added to wake up parent devices when ->probe(), ->remove(), or > ->shutdown() > - MFD core is unregistering devices in reversed order > - address few Lee's comments on v1 > - address Russel's comment, therefore use clkdev_create() helper > - intel-lpss{,-acpi,-pci} are modified regarding to above changes > > Andy Shevchenko (5): > klist: implement klist_prev() > driver core: implement device_for_each_child_reverse() > mfd: make mfd_remove_devices() iterate in reverse order > dmaengine: add a driver for Intel integrated DMA 64-bit > mfd: Add support for Intel Sunrisepoint LPSS devices > > Heikki Krogerus (1): > core: platform: wakeup the parent before trying any driver operations > > Mika Westerberg (2): > PM / QoS: Make it possible to expose device latency tolerance to > userspace > ACPI / PM: Attach ACPI power domain only once > > drivers/acpi/device_pm.c | 8 + > drivers/acpi/internal.h | 2 + > drivers/acpi/scan.c | 46 ++- > drivers/base/core.c | 43 +++ > drivers/base/platform.c | 21 +- > drivers/base/power/power.h | 2 + > drivers/base/power/qos.c | 37 +++ > drivers/base/power/sysfs.c | 11 + > drivers/dma/Kconfig | 5 + > drivers/dma/Makefile | 1 + > drivers/dma/idma64.c | 749 ++++++++++++++++++++++++++++++++++++++++++ > drivers/dma/idma64.h | 233 +++++++++++++ > drivers/mfd/Kconfig | 24 ++ > drivers/mfd/Makefile | 3 + > drivers/mfd/intel-lpss-acpi.c | 84 +++++ > drivers/mfd/intel-lpss-pci.c | 113 +++++++ > drivers/mfd/intel-lpss.c | 534 ++++++++++++++++++++++++++++++ > drivers/mfd/intel-lpss.h | 62 ++++ > drivers/mfd/mfd-core.c | 2 +- > include/linux/device.h | 2 + > include/linux/klist.h | 1 + > include/linux/pm_qos.h | 5 + > lib/klist.c | 41 +++ > 23 files changed, 2011 insertions(+), 18 deletions(-) > create mode 100644 drivers/dma/idma64.c > create mode 100644 drivers/dma/idma64.h > create mode 100644 drivers/mfd/intel-lpss-acpi.c > create mode 100644 drivers/mfd/intel-lpss-pci.c > create mode 100644 drivers/mfd/intel-lpss.c > create mode 100644 drivers/mfd/intel-lpss.h > > -- > 2.1.4 > -- -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
