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Date:   Sat, 26 Nov 2022 17:24:41 +0100
From:   Pali =?utf-8?B?Um9ow6Fy?= <pali@kernel.org>
To:     Michael Ellerman <mpe@ellerman.id.au>,
        Nicholas Piggin <npiggin@gmail.com>,
        Christophe Leroy <christophe.leroy@csgroup.eu>
Cc:     linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
        linux-hwmon@vger.kernel.org,
        Marek =?utf-8?B?QmVow7pu?= <kabel@kernel.org>,
        Josef Schlehofer <josef.schlehofer@nic.cz>
Subject: Re: [PATCH] powerpc: dts: turris1x.dts: Add channel labels for
 temperature sensor
Message-ID: <20221126162441.27a53epw7pq35q45@pali>
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 <20221009120506.itwa4n25nljn2tll@pali>
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PING?

On Tuesday 01 November 2022 23:43:48 Pali Rohár wrote:
> Michael, could you take this patch?
> 
> On Sunday 09 October 2022 14:05:06 Pali Rohár wrote:
> > On Friday 30 September 2022 14:46:18 Pali Rohár wrote:
> > > + CC hwmon ML
> > > 
> > > On Friday 30 September 2022 14:39:01 Pali Rohár wrote:
> > > > Channel 0 of SA56004ED chip refers to internal SA56004ED chip sensor (chip
> > > > itself is located on the board) and channel 1 of SA56004ED chip refers to
> > > > external sensor which is connected to temperature diode of the P2020 CPU.
> > > > 
> > > > Fixes: 54c15ec3b738 ("powerpc: dts: Add DTS file for CZ.NIC Turris 1.x routers")
> > > > Signed-off-by: Pali Rohár <pali@kernel.org>
> > > > ---
> > > > With this change userspace 'sensors' applications prints labels:
> > > > 
> > > >     $ sensors
> > > >     sa56004-i2c-0-4c
> > > >     Adapter: MPC adapter (i2c@3000)
> > > >     board:        +34.2°C  (low  =  +0.0°C, high = +70.0°C)
> > > >                            (crit = +85.0°C, hyst = +75.0°C)
> > > >     cpu:          +58.9°C  (low  =  +0.0°C, high = +70.0°C)
> > > >                            (crit = +85.0°C, hyst = +75.0°C)
> > > > 
> > > > And without this change it prints just generic tempX names:
> > > > 
> > > >     $ sensors
> > > >     sa56004-i2c-0-4c
> > > >     Adapter: MPC adapter (i2c@3000)
> > > >     temp1:        +43.0°C  (low  =  +0.0°C, high = +70.0°C)
> > > >                            (crit = +85.0°C, hyst = +75.0°C)
> > > >     temp2:        +63.4°C  (low  =  +0.0°C, high = +70.0°C)
> > > >                            (crit = +85.0°C, hyst = +75.0°C)
> > > > ---
> > > >  arch/powerpc/boot/dts/turris1x.dts | 14 ++++++++++++++
> > > >  1 file changed, 14 insertions(+)
> > > > 
> > > > diff --git a/arch/powerpc/boot/dts/turris1x.dts b/arch/powerpc/boot/dts/turris1x.dts
> > > > index 4033c554b06a..5b5278c32e43 100644
> > > > --- a/arch/powerpc/boot/dts/turris1x.dts
> > > > +++ b/arch/powerpc/boot/dts/turris1x.dts
> > > > @@ -69,6 +69,20 @@
> > > >  				interrupt-parent = <&gpio>;
> > > >  				interrupts = <12 IRQ_TYPE_LEVEL_LOW>, /* GPIO12 - ALERT pin */
> > > >  					     <13 IRQ_TYPE_LEVEL_LOW>; /* GPIO13 - CRIT pin */
> > > > +				#address-cells = <1>;
> > > > +				#size-cells = <0>;
> > > > +
> > > > +				/* Local temperature sensor (SA56004ED internal) */
> > > > +				channel@0 {
> > > > +					reg = <0>;
> > > > +					label = "board";
> > > > +				};
> > > > +
> > > > +				/* Remote temperature sensor (D+/D- connected to P2020 CPU Temperature Diode) */
> > > > +				channel@1 {
> > > > +					reg = <1>;
> > > > +					label = "cpu";
> > > > +				};
> > > 
> > > I'm not sure if you want UPPERCASE, lowercase, PascalCase, kebab-case
> > > or snake_case format of labels. Or if you want also "temp" or
> > > "temperature" keyword in the label. So please adjust label to the
> > > preferred one, if proposed format is not the correct.
> > 
> > Ok, if nobody complains then please take this patch as is.
> > 
> > > >  			};
> > > >  
> > > >  			/* DDR3 SPD/EEPROM */
> > > > -- 
> > > > 2.20.1
> > > >