diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2019-02-26 13:43:14 +0200 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2019-03-10 08:17:00 +0800 |
| commit | 1d2825aa30b63e01ac353ebf36159fda00e33a05 (patch) | |
| tree | 1757a3637da84883735aaaa6ceb0c254ca25935f /arch | |
| parent | e8e3f2d2d48f97b2c79b698eccedce8f4f880993 (diff) | |
x86: acpi: Add DMA descriptors for SPI5 on Intel Tangier
Intel Tangier SoC has a general purpose DMA which can serve to speed up
communications on SPI and I2C serial buses.
Provide DMA descriptors to utilize this capability in the future.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/arch-tangier/acpi/southcluster.asl | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl b/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl index baad98b1c7..8cb6f64b3d 100644 --- a/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl +++ b/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl @@ -179,6 +179,9 @@ Device (PCI0) "\\_SB.PCI0.GPIO", 0, ResourceConsumer, , ) { 112 } GpioIo(Exclusive, PullUp, 0, 0, IoRestrictionOutputOnly, "\\_SB.PCI0.GPIO", 0, ResourceConsumer, , ) { 113 } + + FixedDMA(0x000d, 0x0002, Width32bit, ) + FixedDMA(0x000c, 0x0003, Width32bit, ) }) Method (_CRS, 0, NotSerialized) |