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drivers: Add SPMI bus uclass

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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>
This commit is contained in:
Mateusz Kulikowski
2016-03-31 23:12:27 +02:00
committed by Tom Rini
parent 5a8221181e
commit 04868b407b
7 changed files with 115 additions and 0 deletions
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drivers/Kconfig
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@@ -60,6 +60,8 @@ source "drivers/sound/Kconfig"
source "drivers/spi/Kconfig"
source "drivers/spmi/Kconfig"
source "drivers/thermal/Kconfig"
source "drivers/timer/Kconfig"