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From: naveen moses <naveen.moses@hotmail.com>
To: "openbmc@lists.ozlabs.org" <openbmc@lists.ozlabs.org>
Subject: support for gpio  as ipmb sensor 
Thread-Topic: support for gpio  as ipmb sensor 
Thread-Index: AQHXubK5qcPh3V4zuk+6NBNR0ABXMw==
Date: Tue, 5 Oct 2021 13:16:34 +0000
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Hi All,

we have a couple of gpios ( input ) accessed via ipmb commands in our platf=
orm.
which cannot be directly monitored using gpio monitor.

our idea is to expose them as ipmb sensors which has gpio state as property=
 which is updated based
on the current state of the gpio.

at present there is no compatible interface under xyz/openbmc_project/senso=
rs for gpio as sensor.

So is this acceptable to create a new interface for gpio state under xyz/op=
enbmc_project/sensors :
interface name : gpioState
which has a property named value whose possible values are boolean (true or=
 false).

any alternate implementation suggestions or corrections are welcome.

Thanks,
Naveen.


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Content-Transfer-Encoding: quoted-printable

<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-=
1">
<style type=3D"text/css" style=3D"display:none;"> P {margin-top:0;margin-bo=
ttom:0;} </style>
</head>
<body dir=3D"ltr">
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
Hi All,</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
we have a couple of gpios ( input ) accessed via ipmb commands in our platf=
orm.</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
which cannot be directly monitored using gpio monitor.</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
our idea is to expose them as ipmb sensors which has gpio state as property=
 which is updated based</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
on the current state of the gpio.&nbsp;</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
at present there is no compatible interface under xyz/openbmc_project/senso=
rs for gpio as sensor.</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
So is this acceptable to create a new interface for gpio state under <span =
style=3D"background-color:rgb(255, 255, 255);display:inline !important">
xyz/openbmc_project/sensors :</span>&nbsp;</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
interface name : gpioState<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
which has a property named value whose possible values are boolean (true or=
 false).</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
any alternate implementation suggestions or corrections are welcome.&nbsp;&=
nbsp;</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
Thanks,</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
Naveen.</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
 color: rgb(0, 0, 0);">
<br>
</div>
</body>
</html>

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