On 24 January 2016 at 13:53, Mateusz Kulikowski mateusz.kulikowski@gmail.com wrote:
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
Changes in v2:
- Use proper entry order in Kconfig
- Rename CONFIG_DM_SPMI -> CONFIG_SPMI
- Fix header ordering
- Add reviewed-by
Changes in v1:
- Reorder includes
- Add read/write arguments documentation
drivers/Kconfig | 2 ++ drivers/Makefile | 1 + drivers/spmi/Kconfig | 10 ++++++++++ drivers/spmi/Makefile | 7 +++++++ drivers/spmi/spmi-uclass.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++ include/dm/uclass-id.h | 1 + include/spmi/spmi.h | 47 +++++++++++++++++++++++++++++++++++++++++++++ 7 files changed, 116 insertions(+) create mode 100644 drivers/spmi/Kconfig create mode 100644 drivers/spmi/Makefile create mode 100644 drivers/spmi/spmi-uclass.c create mode 100644 include/spmi/spmi.h
Tested on Dragonboard 410c Tested-by: Simon Glass sjg@chromium.org