Messages in this thread | | | Date | Sun, 31 May 2015 15:23:53 +0300 | From | Sergei Shtylyov <> | Subject | Re: [PATCH v4 03/12] devicetree: Add bindings for the ATH79 DDR controllers |
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Hello.
On 5/31/2015 2:52 AM, Alban Bedel wrote:
> The DDR controller of the ARxxx and AR9xxx families provides an > interface to flush the FIFO between various devices and the DDR. > This is mainly used by the IRQ controller to flush the FIFO before > running the interrupt handler of such devices.
> Signed-off-by: Alban Bedel <albeu@free.fr> > --- > v2: * Fix the node names to respect ePAPR > v3: * Fix some typos > * Really fix the node names this time > --- > .../memory-controllers/ath79-ddr-controller.txt | 35 ++++++++++++++++++++++ > 1 file changed, 35 insertions(+) > create mode 100644 Documentation/devicetree/bindings/memory-controllers/ath79-ddr-controller.txt
> diff --git a/Documentation/devicetree/bindings/memory-controllers/ath79-ddr-controller.txt b/Documentation/devicetree/bindings/memory-controllers/ath79-ddr-controller.txt > new file mode 100644 > index 0000000..efe35a06 > --- /dev/null > +++ b/Documentation/devicetree/bindings/memory-controllers/ath79-ddr-controller.txt > @@ -0,0 +1,35 @@ > +Binding for Qualcomm Atheros AR7xxx/AR9xxx DDR controller > + > +The DDR controller of the ARxxx and AR9xxx families provides an interface
s/ARxxx/AR7xxx/.
> +to flush the FIFO between various devices and the DDR. This is mainly used > +by the IRQ controller to flush the FIFO before running the interrupt handler > +of such devices. > + > +Required properties: > + > +- compatible: has to be "qca,<soc-type>-ddr-controller", > + "qca,[ar7100|ar7240]-ddr-controller" as fallback. > + On SoC with PCI support "qca,ar7100-ddr-controller" should be used as > + fallback, otherwise "qca,ar7240-ddr-controller" should be used. > +- reg: Base address and size of the controllers memory area
Controller's.
> +- #qca,ddr-wb-channel-cells: has to be 1, the index of the write buffer > + channel
Hm, index? The expectation for such props is the # of cells.
WBR, Sergei
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