On Fri, Oct 23, 2015 at 11:50:37AM +0800, Chen-Yu Tsai wrote: > Hi everyone, > > This is v4 of the simplefb regulator support series. This series adds > regulator claiming and enabling support for simplefb. > > 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. > Hans, I dropped your Reviewed-by tag from this patch. > > Patch 3 adds labels to the simplefb device nodes in sun6i-a31.dtsi > so we can reference them in the board dts files, like in the next > patch. > > Patch 4 adds a dts file for MSI's Primo 81 tablet. Applied 3 and 4. Thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
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