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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2019-02-26 13:43:14 +0200
committerBin Meng <bmeng.cn@gmail.com>2019-03-10 08:17:00 +0800
commit1d2825aa30b63e01ac353ebf36159fda00e33a05 (patch)
tree1757a3637da84883735aaaa6ceb0c254ca25935f /arch/x86/include
parente8e3f2d2d48f97b2c79b698eccedce8f4f880993 (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/x86/include')
-rw-r--r--arch/x86/include/asm/arch-tangier/acpi/southcluster.asl3
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)