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3 commits

Author SHA1 Message Date
Mateusz Kulikowski
5b47271c18 drivers: spmi: Add support for Qualcomm SPMI bus driver 
Support SPMI arbiter on Qualcomm Snapdragon devices.

Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
 2016-04-01 17:18:12 -04:00
Mateusz Kulikowski
d33776e43d spmi: Add sandbox test driver 
This patch adds emulated spmi bus controller with part of
pm8916 pmic on it to sandbox and tests validating SPMI uclass.

Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
 2016-04-01 17:18:12 -04:00
Mateusz Kulikowski
04868b407b drivers: Add SPMI bus uclass 
Qualcom processors use proprietary bus to talk with PMIC devices -
SPMI (System Power Management Interface).
On wiring level it is similar to I2C, but on protocol level, it's
multi-master and has simple autodetection capabilities.
This commit adds simple uclass that provides bus read/write interface.

Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
 2016-04-01 17:18:12 -04:00