| Message ID | 1536054754-3119-3-git-send-email-nava.manne@xilinx.com |
|---|---|
| State | Superseded, archived |
| Headers | show |
| Series | Add nvmem driver support for ZynqMP | expand |
Hi Rob, Do you have any comments on the bindings side of it. I would like to queue this for next release.. On 04/09/18 10:52, Nava kishore Manne wrote: > Add documentation to describe Xilinx ZynqMP nvmem driver > bindings. > > Signed-off-by: Nava kishore Manne <nava.manne@xilinx.com> > --- > Changes for v2: > -Moved nvmem_firmware node as a child to > firwmare node. > > .../firmware/xilinx/xlnx,zynqmp-firmware.txt | 35 ++++++++++++++++++++++ > 1 file changed, 35 insertions(+) > > diff --git a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt > index 1b431d9..4b95fcc 100644 > --- a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt > +++ b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt > @@ -17,6 +17,19 @@ Required properties: > - "smc" : SMC #0, following the SMCCC > - "hvc" : HVC #0, following the SMCCC > > +-------------------------------------------------------------------------- > += Zynq UltraScale+ MPSoC nvmem firmware driver binding = > +-------------------------------------------------------------------------- > +The nvmem_firmware node provides access to the hardware related data > +like soc revision, IDCODE... etc, By using the firmware interface. > + > +Required properties: > +- compatible: should be "xlnx,zynqmp-nvmem-fw" > + > += Data cells = > +Are child nodes of silicon id, bindings of which as described in > +bindings/nvmem/nvmem.txt > + > ------- > Example > ------- > @@ -25,5 +38,27 @@ firmware { > zynqmp_firmware: zynqmp-firmware { > compatible = "xlnx,zynqmp-firmware"; > method = "smc"; > + nvmem_firmware { > + compatible = "xlnx,zynqmp-nvmem-fw"; > + #address-cells = <1>; > + #size-cells = <1>; > + > + /* Data cells */ > + soc_revision: soc_revision { > + reg = <0x0 0x4>; > + }; > + }; > }; > }; > + > += Data consumers = > +Are device nodes which consume nvmem data cells. > + > +For example: > + > + pcap { > + ... > + nvmem-cells = <&soc_revision>; > + nvmem-cell-names = "soc_revision"; > + }; > + > Thanks, srni
diff --git a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt index 1b431d9..4b95fcc 100644 --- a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt +++ b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt @@ -17,6 +17,19 @@ Required properties: - "smc" : SMC #0, following the SMCCC - "hvc" : HVC #0, following the SMCCC +-------------------------------------------------------------------------- += Zynq UltraScale+ MPSoC nvmem firmware driver binding = +-------------------------------------------------------------------------- +The nvmem_firmware node provides access to the hardware related data +like soc revision, IDCODE... etc, By using the firmware interface. + +Required properties: +- compatible: should be "xlnx,zynqmp-nvmem-fw" + += Data cells = +Are child nodes of silicon id, bindings of which as described in +bindings/nvmem/nvmem.txt + ------- Example ------- @@ -25,5 +38,27 @@ firmware { zynqmp_firmware: zynqmp-firmware { compatible = "xlnx,zynqmp-firmware"; method = "smc"; + nvmem_firmware { + compatible = "xlnx,zynqmp-nvmem-fw"; + #address-cells = <1>; + #size-cells = <1>; + + /* Data cells */ + soc_revision: soc_revision { + reg = <0x0 0x4>; + }; + }; }; }; + += Data consumers = +Are device nodes which consume nvmem data cells. + +For example: + + pcap { + ... + nvmem-cells = <&soc_revision>; + nvmem-cell-names = "soc_revision"; + }; +
Add documentation to describe Xilinx ZynqMP nvmem driver bindings. Signed-off-by: Nava kishore Manne <nava.manne@xilinx.com> --- Changes for v2: -Moved nvmem_firmware node as a child to firwmare node. .../firmware/xilinx/xlnx,zynqmp-firmware.txt | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+)