| Message ID | 20180918215124.14003-2-jae.hyun.yoo@linux.intel.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | PECI device driver introduction | expand |
On Tue, 18 Sep 2018 14:51:13 -0700, Jae Hyun Yoo wrote: > This commit adds a document of generic PECI bus, adapter and client > driver. > > Cc: Rob Herring <robh+dt@kernel.org> > Cc: Mark Rutland <mark.rutland@arm.com> > Cc: Andrew Jeffery <andrew@aj.id.au> > Cc: Joel Stanley <joel@jms.id.au> > Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com> > Reviewed-by: Haiyue Wang <haiyue.wang@linux.intel.com> > Reviewed-by: James Feist <james.feist@linux.intel.com> > Reviewed-by: Vernon Mauery <vernon.mauery@linux.intel.com> > --- > .../devicetree/bindings/peci/peci.txt | 43 +++++++++++++++++++ > 1 file changed, 43 insertions(+) > create mode 100644 Documentation/devicetree/bindings/peci/peci.txt > Reviewed-by: Rob Herring <robh@kernel.org>
On 9/27/2018 8:10 AM, Rob Herring wrote: > On Tue, 18 Sep 2018 14:51:13 -0700, Jae Hyun Yoo wrote: >> This commit adds a document of generic PECI bus, adapter and client >> driver. >> >> Cc: Rob Herring <robh+dt@kernel.org> >> Cc: Mark Rutland <mark.rutland@arm.com> >> Cc: Andrew Jeffery <andrew@aj.id.au> >> Cc: Joel Stanley <joel@jms.id.au> >> Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com> >> Reviewed-by: Haiyue Wang <haiyue.wang@linux.intel.com> >> Reviewed-by: James Feist <james.feist@linux.intel.com> >> Reviewed-by: Vernon Mauery <vernon.mauery@linux.intel.com> >> --- >> .../devicetree/bindings/peci/peci.txt | 43 +++++++++++++++++++ >> 1 file changed, 43 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/peci/peci.txt >> > > Reviewed-by: Rob Herring <robh@kernel.org> > Thanks for the review, Rob!
diff --git a/Documentation/devicetree/bindings/peci/peci.txt b/Documentation/devicetree/bindings/peci/peci.txt new file mode 100644 index 000000000000..864b7ab4e9fa --- /dev/null +++ b/Documentation/devicetree/bindings/peci/peci.txt @@ -0,0 +1,43 @@ +Generic device tree configuration for PECI adapters +=================================================== + +Required properties: +- #address-cells : Should be <1>. Read more about client addresses below. +- #size-cells : Should be <0>. Read more about client addresses below. + +The cells properties above define that an address of CPU clients of a PECI bus +are described by a single value. + +Example: + peci0: peci-bus@0 { + compatible = "vendor,soc-peci"; + reg = <0x0 0x1000>; + #address-cells = <1>; + #size-cells = <0>; + }; + +Generic device tree configuration for PECI clients +================================================== + +Required properties: +- compatible : Should contain name of PECI client. +- reg : Should contain address of a client CPU. Address range of CPU + clients starts from 0x30 based on PECI specification. + +Example: + peci-bus@0 { + compatible = "vendor,soc-peci"; + reg = <0x0 0x1000>; + #address-cells = <1>; + #size-cells = <0>; + + peci-client@30 { + compatible = "intel,peci-client"; + reg = <0x30>; + }; + + peci-client@31 { + compatible = "intel,peci-client"; + reg = <0x31>; + }; + };