From 1d2825aa30b63e01ac353ebf36159fda00e33a05 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Tue, 26 Feb 2019 13:43:14 +0200 Subject: [PATCH] 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 Reviewed-by: Bin Meng --- arch/x86/include/asm/arch-tangier/acpi/southcluster.asl | 3 +++ 1 file changed, 3 insertions(+) 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) -- 2.39.5