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x86: acpi: Add DMA descriptors for I2C1 on Intel Tangier
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Tue, 26 Feb 2019 11:43:15 +0000 (13:43 +0200)
committerBin Meng <bmeng.cn@gmail.com>
Sun, 10 Mar 2019 00:17:00 +0000 (08:17 +0800)
commitc652dd15571e6c7df35ff30eeb8b3e2b7e6300ba
treee97e0f4a1e7ee10606f2a54b151da0c91d497de2tree | snapshot
parent1d2825aa30b63e01ac353ebf36159fda00e33a05commit | diff
x86: acpi: Add DMA descriptors for I2C1 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.

Note, I2C6, which is available to user, has no DMA request lines connected.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
arch/x86/include/asm/arch-tangier/acpi/southcluster.asl diff | blob | history
My U-Boot fork