From mboxrd@z Thu Jan 1 00:00:00 1970 From: jae.hyun.yoo@linux.intel.com (Jae Hyun Yoo) Date: Wed, 11 Apr 2018 19:06:35 -0700 Subject: [PATCH v3 01/10] Documentations: dt-bindings: Add documents of generic PECI bus, adapter and client drivers In-Reply-To: References: <20180410183212.16787-1-jae.hyun.yoo@linux.intel.com> <20180410183212.16787-2-jae.hyun.yoo@linux.intel.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Joel, On 4/11/2018 4:52 AM, Joel Stanley wrote: > Hi Jae, > > On 11 April 2018 at 04:02, Jae Hyun Yoo wrote: >> This commit adds documents of generic PECI bus, adapter and client drivers. >> >> Signed-off-by: Jae Hyun Yoo >> Reviewed-by: Haiyue Wang >> Reviewed-by: James Feist >> Reviewed-by: Vernon Mauery >> Cc: Alan Cox >> Cc: Andrew Jeffery >> Cc: Andrew Lunn >> Cc: Andy Shevchenko >> Cc: Arnd Bergmann >> Cc: Benjamin Herrenschmidt >> Cc: Fengguang Wu >> Cc: Greg KH >> Cc: Guenter Roeck >> Cc: Jason M Biils >> Cc: Jean Delvare >> Cc: Joel Stanley >> Cc: Julia Cartwright >> Cc: Miguel Ojeda >> Cc: Milton Miller II >> Cc: Pavel Machek >> Cc: Randy Dunlap >> Cc: Stef van Os >> Cc: Sumeet R Pawnikar > > That's a hefty cc list. I can't see Rob Herring though, and he's > usually the person who you need to convince to get your bindings > accepted. > > I recommend using ./scripts/get_maintainers.pl to build your CC list, > and then add others you think are relevant. > > I'm not sure what the guidelines are for generic bindings, so I'll > defer to Rob for this patch. > > Cheers, > > Joel > Thanks a lot for letting me know that. I'll do as you suggested. -Jae >> --- >> .../devicetree/bindings/peci/peci-adapter.txt | 23 ++++++++++++++++++++ >> .../devicetree/bindings/peci/peci-bus.txt | 15 +++++++++++++ >> .../devicetree/bindings/peci/peci-client.txt | 25 ++++++++++++++++++++++ >> 3 files changed, 63 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/peci/peci-adapter.txt >> create mode 100644 Documentation/devicetree/bindings/peci/peci-bus.txt >> create mode 100644 Documentation/devicetree/bindings/peci/peci-client.txt >> >> diff --git a/Documentation/devicetree/bindings/peci/peci-adapter.txt b/Documentation/devicetree/bindings/peci/peci-adapter.txt >> new file mode 100644 >> index 000000000000..9221374f6b11 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/peci/peci-adapter.txt >> @@ -0,0 +1,23 @@ >> +Generic device tree configuration for PECI adapters. >> + >> +Required properties: >> +- compatible : Should contain hardware specific definition strings that can >> + match an adapter driver implementation. >> +- reg : Should contain PECI controller registers location and length. >> +- #address-cells : Should be <1>. >> +- #size-cells : Should be <0>. >> + >> +Example: >> + peci: peci at 10000000 { >> + compatible = "simple-bus"; >> + #address-cells = <1>; >> + #size-cells = <1>; >> + ranges = <0x0 0x10000000 0x1000>; >> + >> + peci0: peci-bus at 0 { >> + compatible = "soc,soc-peci"; >> + reg = <0x0 0x1000>; >> + #address-cells = <1>; >> + #size-cells = <0>; >> + }; >> + }; >> diff --git a/Documentation/devicetree/bindings/peci/peci-bus.txt b/Documentation/devicetree/bindings/peci/peci-bus.txt >> new file mode 100644 >> index 000000000000..90bcc791ccb0 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/peci/peci-bus.txt >> @@ -0,0 +1,15 @@ >> +Generic device tree configuration for PECI buses. >> + >> +Required properties: >> +- compatible : Should be "simple-bus". >> +- #address-cells : Should be <1>. >> +- #size-cells : Should be <1>. >> +- ranges : Should contain PECI controller registers ranges. >> + >> +Example: >> + peci: peci at 10000000 { >> + compatible = "simple-bus"; >> + #address-cells = <1>; >> + #size-cells = <1>; >> + ranges = <0x0 0x10000000 0x1000>; >> + }; >> diff --git a/Documentation/devicetree/bindings/peci/peci-client.txt b/Documentation/devicetree/bindings/peci/peci-client.txt >> new file mode 100644 >> index 000000000000..8e2bfd8532f6 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/peci/peci-client.txt >> @@ -0,0 +1,25 @@ >> +Generic device tree configuration for PECI clients. >> + >> +Required properties: >> +- compatible : Should contain target device specific definition strings that can >> + match a client driver implementation. >> +- reg : Should contain address of a client CPU. Address range of CPU >> + clients is starting from 0x30 based on PECI specification. >> + <0x30> .. <0x37> (depends on the PECI_OFFSET_MAX definition) >> + >> +Example: >> + peci-bus at 0 { >> + #address-cells = <1>; >> + #size-cells = <0>; >> + < more properties > >> + >> + function at cpu0 { >> + compatible = "device,function"; >> + reg = <0x30>; >> + }; >> + >> + function at cpu1 { >> + compatible = "device,function"; >> + reg = <0x31>; >> + }; >> + }; >> -- >> 2.16.2 >>