Hi Bartosz, On Monday 31 October 2016 03:10 PM, Bartosz Golaszewski wrote: > 2016-10-31 5:30 GMT+01:00 Rob Herring <robh@xxxxxxxxxx>: >> On Wed, Oct 26, 2016 at 07:35:55PM +0200, Bartosz Golaszewski wrote: >>> Create the driver for the da8xx master peripheral priority >>> configuration and implement support for writing to the three >>> Master Priority registers on da850 SoCs. >>> >>> Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> >>> --- >>> .../devicetree/bindings/bus/ti,da850-mstpri.txt | 20 ++ >>> drivers/bus/Kconfig | 9 + >>> drivers/bus/Makefile | 2 + >>> drivers/bus/da8xx-mstpri.c | 266 +++++++++++++++++++++ >>> 4 files changed, 297 insertions(+) >>> create mode 100644 Documentation/devicetree/bindings/bus/ti,da850-mstpri.txt >>> create mode 100644 drivers/bus/da8xx-mstpri.c >>> >>> diff --git a/Documentation/devicetree/bindings/bus/ti,da850-mstpri.txt b/Documentation/devicetree/bindings/bus/ti,da850-mstpri.txt >>> new file mode 100644 >>> index 0000000..225af09 >>> --- /dev/null >>> +++ b/Documentation/devicetree/bindings/bus/ti,da850-mstpri.txt >>> @@ -0,0 +1,20 @@ >>> +* Device tree bindings for Texas Instruments da8xx master peripheral >>> + priority driver >>> + >>> +DA8XX SoCs feature a set of registers allowing to change the priority of all >>> +peripherals classified as masters. >>> + >>> +Documentation: >>> +OMAP-L138 (DA850) - http://www.ti.com/lit/ug/spruh82c/spruh82c.pdf >>> + >>> +Required properties: >>> + >>> +- compatible: "ti,da850-mstpri", "syscon" - for da850 based boards >> >> Drop syscon. Doesn't look like it is needed and the example doesn't >> match. > > Hi Rob, > > it is needed: syscon_regmap_lookup_by_compatible() fails without it. I > fixed the example instead. Why are master priority registers under syscon? This driver should be the only entity touching them. So do we need an MFD driver? Thanks, Sekhar -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
