2016-11-18 14:29 GMT+08:00 Jun Nie <jun.nie@xxxxxxxxxx>: > Add fifo-addr property and fifo-watermark-quirk property to > synopsys-dw-mshc bindings. It is intended to provide more > dt interface to support SoCs specific configuration. > > Signed-off-by: Jun Nie <jun.nie@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt > index 4e00e85..8bf2e41 100644 > --- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt > +++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt > @@ -76,6 +76,17 @@ Optional properties: > > * broken-cd: as documented in mmc core bindings. > > +* data-addr: Override fifo address with value provided by DT. The default FIFO reg > + offset is assumed as 0x100 (version < 0x240A) and 0x200(version >= 0x240A) by > + driver. If the controller does not follow this rule, please use this property > + to set fifo address in device tree. > + > +* fifo-watermark-aligned: Data done irq is expected if data length is less than > + watermark in PIO mode. But fifo watermark is requested to be aligned with data > + length in some SoC so that TX/RX irq can be generated with data done irq. Add this > + watermark quirk to mark this requirement and force fifo watermark setting > + accordingly. > + > * vmmc-supply: The phandle to the regulator to use for vmmc. If this is > specified we'll defer probe until we can find this regulator. > > @@ -103,6 +114,8 @@ board specific portions as listed below. > interrupts = <0 75 0>; > #address-cells = <1>; > #size-cells = <0>; > + data-addr = <0x200>; > + fifo-watermark-aligned; > }; > > [board specific internal DMA resources] > -- > 1.9.1 > Add DT maintainer to review and act. Thank you! Jun -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
