From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx483rbFyZHhY7g1N5kf3qvYsF7lYoubA7JPIXp/x3Nsv3Mp5LhUtfZk6dkHZl0fpRyw6enAn ARC-Seal: i=1; a=rsa-sha256; t=1523922674; cv=none; d=google.com; s=arc-20160816; b=xSei8sZ7NaT8aOQHC9z7q2VhpdVSun52i6GFs72LlTDOFSHfuJokV7M+mBCajgmqWM lOLuCU5vthTe2bNiY/sjImatqc7FXLxufxi3ulKWznM2kDOM6aJgbdkDmgJqCg6EJRJC s6Mfle1j19cINmww54IZnUsG1oJEvV7KSGU9J1CgPghjxYtq+rQDTZwrFJEoLU9lpPCi 40LykwrfEXyxO0tpLmvDGQTBRP5/HZ17avSN9lZx5bXzKwYQZ5/ID9mOZmJACid5BW0x DhA7AHOot7tXkUAiz/8epuAmusX7xey1MR9paVczlxUUra8bkLic17iCWL2Fd8TXQ8IW Au1g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:content-language:in-reply-to:mime-version :user-agent:date:message-id:references:cc:to:from:subject :arc-authentication-results; bh=SmNP36Qq7a43g78pfWRgNbLsZmtNPBvjyaNdZyjd1as=; b=u0oyDg0e88wBTT5QUBIIwtkd2RBbyO7oDSQFuFGD1snvtta1fnP0xV5rw7XoboBfA1 FXhDxTuywWqx1C6/2P/n+cgKfHoDQYDZ/7GBBEc4ey3nJJeO0Ayt0MQZh1SyNINjr3Pd GLS8BF9tVvGewiDPk+B8Vo1wTyRwvQPQ8YQGJBkCcGgsPn7z4BOd1xwiFrdByijmdeuW FH4q739HTs5fB4CJB6/snk54usiAGk+nkYyBmEFcRv8wT+E4ibUyWJsUdrTYtzlRT4b0 HDH/wYhmaTa3EVKkZ5tUPnUdI7MFINReWAGkOAquuA/oRFevhVeM/1t26XwqkSdqSM0S DAuA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of jae.hyun.yoo@linux.intel.com designates 134.134.136.100 as permitted sender) smtp.mailfrom=jae.hyun.yoo@linux.intel.com Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of jae.hyun.yoo@linux.intel.com designates 134.134.136.100 as permitted sender) smtp.mailfrom=jae.hyun.yoo@linux.intel.com X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,461,1517904000"; d="scan'208";a="192007919" Subject: Re: [PATCH v3 07/10] Documentation: dt-bindings: Add documents for PECI hwmon client drivers From: Jae Hyun Yoo To: Rob Herring Cc: Alan Cox , Andrew Jeffery , Andrew Lunn , Andy Shevchenko , Arnd Bergmann , Benjamin Herrenschmidt , Fengguang Wu , Greg KH , Guenter Roeck , Haiyue Wang , James Feist , Jason M Biils , Jean Delvare , Joel Stanley , Julia Cartwright , Miguel Ojeda , Milton Miller II , Pavel Machek , Randy Dunlap , Stef van Os , Sumeet R Pawnikar , Vernon Mauery , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, devicetree@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-arm-kernel@lists.infradead.org, openbmc@lists.ozlabs.org References: <20180410183212.16787-1-jae.hyun.yoo@linux.intel.com> <20180410183212.16787-8-jae.hyun.yoo@linux.intel.com> <20180416181423.t4vf7sugv6z3aw5h@rob-hp-laptop> Message-ID: <287e0fd9-b631-2602-2785-7b8aaed7a6b9@linux.intel.com> Date: Mon, 16 Apr 2018 16:51:13 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1597385139320717723?= X-GMAIL-MSGID: =?utf-8?q?1597948742507518254?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On 4/16/2018 4:22 PM, Jae Hyun Yoo wrote: > On 4/16/2018 11:14 AM, Rob Herring wrote: >> On Tue, Apr 10, 2018 at 11:32:09AM -0700, Jae Hyun Yoo wrote: >>> This commit adds dt-bindings documents for PECI cputemp and dimmtemp >>> client >>> drivers. >> >> "dt-bindings: hwmon: ..." for the subject. >> > > I'll change the subject. > >>> >>> 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 >>> --- >>>   .../devicetree/bindings/hwmon/peci-cputemp.txt     | 24 >>> +++++++++++++++++++++ >>>   .../devicetree/bindings/hwmon/peci-dimmtemp.txt    | 25 >>> ++++++++++++++++++++++ >>>   2 files changed, 49 insertions(+) >>>   create mode 100644 >>> Documentation/devicetree/bindings/hwmon/peci-cputemp.txt >>>   create mode 100644 >>> Documentation/devicetree/bindings/hwmon/peci-dimmtemp.txt >>> >>> diff --git a/Documentation/devicetree/bindings/hwmon/peci-cputemp.txt >>> b/Documentation/devicetree/bindings/hwmon/peci-cputemp.txt >>> new file mode 100644 >>> index 000000000000..d5530ef9cfd2 >>> --- /dev/null >>> +++ b/Documentation/devicetree/bindings/hwmon/peci-cputemp.txt >>> @@ -0,0 +1,24 @@ >>> +Bindings for Intel PECI (Platform Environment Control Interface) >>> cputemp driver. >>> + >>> +Required properties: >>> +- compatible : Should be "intel,peci-cputemp". >>> +- 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) >> >> Again, where is PECI_OFFSET_MAX defined? It can't depend on something in >> the kernel. >> > > I'll remove the unnecessary description. > >>> + >>> +Example: >>> +    peci-bus@0 { >>> +        #address-cells = <1>; >>> +        #size-cells = <0>; >>> +        < more properties > >>> + >>> +        peci-cputemp@cpu0 { >>> +            compatible = "intel,peci-cputemp"; >>> +            reg = <0x30>; >>> +        }; >>> + >>> +        peci-cputemp@cpu1 { >>> +            compatible = "intel,peci-cputemp"; >>> +            reg = <0x31>; >>> +        }; >>> +    }; >>> diff --git >>> a/Documentation/devicetree/bindings/hwmon/peci-dimmtemp.txt >>> b/Documentation/devicetree/bindings/hwmon/peci-dimmtemp.txt >>> new file mode 100644 >>> index 000000000000..56e5deb61e5c >>> --- /dev/null >>> +++ b/Documentation/devicetree/bindings/hwmon/peci-dimmtemp.txt >>> @@ -0,0 +1,25 @@ >>> +Bindings for Intel PECI (Platform Environment Control Interface) >>> dimmtemp >>> +driver. >>> + >>> +Required properties: >>> +- compatible : Should be "intel,peci-dimmtemp". >>> +- 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@0 { >>> +        #address-cells = <1>; >>> +        #size-cells = <0>; >>> +        < more properties > >>> + >>> +        peci-dimmtemp@cpu0 { >> >> unit-address is wrong. >> > > Will fix it using the reg value. > >> It is a different bus from cputemp? Otherwise, you have conflicting >> addresses. If that's the case, probably should make it clear by showing >> different host adapters for each example. >> > > It could be the same bus with cputemp. Also, client address sharing is > possible by PECI core if the functionality is different. I mean, cputemp > and dimmtemp targeting the same client is possible case like this. > peci-cputemp@30 > peci-dimmtemp@30 > Oh, I got your point. Probably, I should change these separate settings into one like peci-client@30 { compatible = "intel,peci-client"; reg = <0x30>; }; Then cputemp and dimmtemp drivers could refer the same compatible string. Will rewrite it. >>> +            compatible = "intel,peci-dimmtemp"; >>> +            reg = <0x30>; >>> +        }; >>> + >>> +        peci-dimmtemp@cpu1 { >>> +            compatible = "intel,peci-dimmtemp"; >>> +            reg = <0x31>; >>> +        }; >>> +    }; >>> -- >>> 2.16.2 >>> >>> -- >>> To unsubscribe from this list: send the line "unsubscribe devicetree" in >>> the body of a message to majordomo@vger.kernel.org >>> More majordomo info at  http://vger.kernel.org/majordomo-info.html