On 17/11/15 06:31, Chen-Yu Tsai wrote: > Hi everyone, > > This is v5 of the simplefb regulator support series. This series adds > regulator claiming and enabling support for simplefb. > > Hans, I dropped your Reviewed-by tag from patch 2 since v4. > > Changes since v5: > - Rebased onto v4.4-rc1 > - Dropped dts patches (merged) > > Changes since v4: > - Fixed inverted logic when testing the property name. > - Fixed regulator supply name string copy length off by 1. > - Added real world user, MSI Primo 81 dts patches. > > Changes since v3: > - Dropped extra "if" which is always true, leftover from v1. > - Updated commit message of patch 1 > > Sometimes the simplefb display output path consits of external conversion > chips and/or LCD drivers and backlights. These devices normally have > GPIOs to turn them on and/or bring them out of reset, and regulators > supplying power to them. > > While the kernel does not touch unclaimed GPIOs, the regulator core > happily disables unused regulators. Thus we need simplefb to claim > and enable the regulators used throughout the display pipeline. > > The binding supports any named regulator supplies under its device > node. The driver will look through its properties, and claim any > regulators by matching "*-supply", as Mark suggested. > > I've not done a generic helper in the regulator core yet, instead doing > the regulator property handling in the simplefb code for now. > > > Patch 1 adds the regulator properties to the DT binding. > > Patch 2 adds code to the simplefb driver to claim and enable regulators. > > Regards > ChenYu > > > Chen-Yu Tsai (2): > dt-bindings: simplefb: Support regulator supply properties > simplefb: Claim and enable regulators > > .../bindings/display/simple-framebuffer.txt | 13 ++- > drivers/video/fbdev/simplefb.c | 120 ++++++++++++++++++++- > 2 files changed, 128 insertions(+), 5 deletions(-) > Thanks, queued for 4.5. Tomi
Attachment:
signature.asc
Description: OpenPGP digital signature
