Messages in this thread | | | Date | Tue, 22 Sep 2020 20:32:34 -0600 | From | Rob Herring <> | Subject | Re: [PATCH 1/5] Documentation: dt: binding: fsl: Add 'fsl,ippdexpcr1-alt-addr' property |
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On Wed, Sep 16, 2020 at 04:18:27PM +0800, Ran Wang wrote: > From: Biwen Li <biwen.li@nxp.com> > > The 'fsl,ippdexpcr1-alt-addr' property is used to handle an errata A-008646 > on LS1021A > > Signed-off-by: Biwen Li <biwen.li@nxp.com> > Signed-off-by: Ran Wang <ran.wang_1@nxp.com> > --- > Documentation/devicetree/bindings/soc/fsl/rcpm.txt | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > > diff --git a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt > index 5a33619..1be58a3 100644 > --- a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt > +++ b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt > @@ -34,6 +34,11 @@ Chassis Version Example Chips > Optional properties: > - little-endian : RCPM register block is Little Endian. Without it RCPM > will be Big Endian (default case). > + - fsl,ippdexpcr1-alt-addr : The property is related to a hardware issue > + on SoC LS1021A and only needed on SoC LS1021A. > + Must include 2 entries: > + The first entry must be a link to the SCFG device node. > + The 2nd entry must be offset of register IPPDEXPCR1 in SCFG.
You don't need a DT change for this. You can find SCFG node by its compatible string and then the offset should be known given this issue is only on 1 SoC.
Rob
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