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authorFurquan Shaikh <furquan@chromium.org>2016-10-20 16:01:04 -0700
committerFurquan Shaikh <furquan@google.com>2016-10-25 00:09:19 +0200
commit626ad205a7781eb13b3d9156d7c01f4aacfcbad5 (patch)
tree89dc0583f3dd9aa0d77574a2da84c13ad20ab2cb /src/mainboard/cubietech
parentf5f0b7b71a450dd87e6e477cf53417c7c8d68ad2 (diff)
drivers/i2c/generic: Enable support for adding PowerResource for device
Add support to allow a device to define PowerResource in its SSDT AML code. PowerResouce ACPI generation expects SoC to define the callbacks for generating AML code for GPIO manipulation. Device requiring PowerResource needs to define following parameters: 1. Reset GPIO - Optional, GPIO to put device into reset or take it out of reset. 2. Reset delay - Delay after reset GPIO is de-asserted (default 0). 3. Enable GPIO - Optional, GPIO to enabled device. 4. Enable delay - Delay after enable GPIO is asserted (default 0). BUG=chrome-os-partner:55988 Change-Id: Ieb2dd95fc1f555f5de66f3dda425172ac5b75dad Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/17081 Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/mainboard/cubietech')
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