On Fri, Dec 11, 2015 at 09:39:59AM +0530, Vignesh R wrote: > Add qspi memory mapped region entries for DRA7xx based SoCs. Also, > update the binding documents for the controller to document this change. > > Signed-off-by: Vignesh R <vigneshr@xxxxxx> Acked-by: Rob Herring <robh@xxxxxxxxxx> > --- > > v5: use syscon to access scm register. > > Documentation/devicetree/bindings/spi/ti_qspi.txt | 17 +++++++++++++++++ > arch/arm/boot/dts/dra7.dtsi | 6 ++++-- > 2 files changed, 21 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/spi/ti_qspi.txt b/Documentation/devicetree/bindings/spi/ti_qspi.txt > index 601a360531a5..809c3f334316 100644 > --- a/Documentation/devicetree/bindings/spi/ti_qspi.txt > +++ b/Documentation/devicetree/bindings/spi/ti_qspi.txt > @@ -15,6 +15,10 @@ Recommended properties: > - spi-max-frequency: Definition as per > Documentation/devicetree/bindings/spi/spi-bus.txt > > +Optional properties: > +- syscon-chipselects: Handle to system control region contains QSPI > + chipselect register and offset of that register. > + > Example: > > qspi: qspi@4b300000 { > @@ -26,3 +30,16 @@ qspi: qspi@4b300000 { > spi-max-frequency = <25000000>; > ti,hwmods = "qspi"; > }; > + > +For dra7xx: > +qspi: qspi@4b300000 { > + compatible = "ti,dra7xxx-qspi"; > + reg = <0x4b300000 0x100>, > + <0x5c000000 0x4000000>, > + reg-names = "qspi_base", "qspi_mmap"; > + syscon-chipselects = <&scm_conf 0x558>; > + #address-cells = <1>; > + #size-cells = <0>; > + spi-max-frequency = <48000000>; > + ti,hwmods = "qspi"; > +}; > diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi > index fe99231cbde5..be91c7781c07 100644 > --- a/arch/arm/boot/dts/dra7.dtsi > +++ b/arch/arm/boot/dts/dra7.dtsi > @@ -1153,8 +1153,10 @@ > > qspi: qspi@4b300000 { > compatible = "ti,dra7xxx-qspi"; > - reg = <0x4b300000 0x100>; > - reg-names = "qspi_base"; > + reg = <0x4b300000 0x100>, > + <0x5c000000 0x4000000>; > + reg-names = "qspi_base", "qspi_mmap"; > + syscon-chipselects = <&scm_conf 0x558>; > #address-cells = <1>; > #size-cells = <0>; > ti,hwmods = "qspi"; > -- > 2.6.3 > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html