tree 53345b8bca02c55060f680be0f4ea4e469ba66b2
parent ddd2a4244c26068ae1a4e3161b21b738a8bec46e
author Andy Shevchenko <andriy.shevchenko@linux.intel.com> 1563121438 +0300
committer Bin Meng <bmeng.cn@gmail.com> 1565360642 +0800

x86: acpi: Enable ACPI companion for Intel iDMA 32-bit

ACPI has a capability to specify DMA parameters for DMA channel consumers.
To enable this for Intel Edison, describe GP DMA device in ACPI table
in order to get an ACPI handle to it in OS.

This works in conjunction with CSRT, which must be in align with DSDT.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>