On Wed, Jan 31, 2024 at 10:17:28AM +0100, Michal Simek wrote: > Describe soc-nvmem subnode as the part of firmware node. The name can't be > pure nvmem because dt-schema already defines it as array property that's > why different name should be used. > > Signed-off-by: Michal Simek <michal.simek@xxxxxxx> Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> Cheers, Conor. > --- > > Changes in v2: > - Fix typo in subject > - Make example bigger requested by Conor > > Dt binding for nvmem node has been already merged and it is the part of > linux-next tree. > Here is the reference to it just in case: > https://lore.kernel.org/r/170635581622.41421.8980881999042944764.b4-ty@xxxxxxxxxx > > v1 available here: > https://lore.kernel.org/r/3869498c995cbb123127122f429e90de0a3f4014.1706531104.git.michal.simek@xxxxxxx > > --- > .../firmware/xilinx/xlnx,zynqmp-firmware.yaml | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.yaml b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.yaml > index 870b94813a43..741f17c830f4 100644 > --- a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.yaml > +++ b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.yaml > @@ -62,6 +62,12 @@ properties: > interface. > type: object > > + soc-nvmem: > + $ref: /schemas/nvmem/xlnx,zynqmp-nvmem.yaml# > + description: The ZynqMP MPSoC provides access to the hardware related data > + like SOC revision, IDCODE and specific purpose efuses. > + type: object > + > pcap: > $ref: /schemas/fpga/xlnx,zynqmp-pcap-fpga.yaml# > description: The ZynqMP SoC uses the PCAP (Processor Configuration Port) to > @@ -110,6 +116,18 @@ examples: > firmware { > zynqmp_firmware: zynqmp-firmware { > #power-domain-cells = <1>; > + soc-nvmem { > + compatible = "xlnx,zynqmp-nvmem-fw"; > + nvmem-layout { > + compatible = "fixed-layout"; > + #address-cells = <1>; > + #size-cells = <1>; > + > + soc_revision: soc-revision@0 { > + reg = <0x0 0x4>; > + }; > + }; > + }; > gpio { > compatible = "xlnx,zynqmp-gpio-modepin"; > gpio-controller; > -- > 2.36.1 >
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