From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Simon Horman <horms@verge.net.au>
Cc: "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Magnus Damm <magnus.damm@gmail.com>,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Marek Vasut <marek.vasut+renesas@gmail.com>
Subject: Re: [PATCH v2 2/3] arm64: dts: renesas: salvator-common: Configure PMIC for DDR Backup Power
Date: Mon, 26 Mar 2018 11:13:54 +0200 [thread overview]
Message-ID: <CAMuHMdW5ox34+_Z76T+cDyZeuJJE4OZ8=hEpdjbCcg+TwSX61A@mail.gmail.com> (raw)
In-Reply-To: <20180326090625.espsuzblp7gy767t@verge.net.au>
Hi Simon,
On Mon, Mar 26, 2018 at 11:06 AM, Simon Horman <horms@verge.net.au> wrote:
> On Fri, Mar 16, 2018 at 03:08:13PM +0300, Sergei Shtylyov wrote:
>> On 03/16/2018 03:00 PM, Geert Uytterhoeven wrote:
>>
>> >>> On Salvator-X(S), all of the DDR0, DDR1, DDR0C, and DDR1C power rails
>> >>> need to be kept powered when backup mode is enabled. Reflect this in
>> >>> the "rohm,ddr-backup-power" property for the BD9571MWV PMIC node.
>> >>>
>> >>> The accessory power switch (SW23) is a toggle switch, hense specify
>> >>> "rohm,rstbmode-level".
>> >>>
>> >>> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
>> >>> ---
>> >>> v2:
>> >>> - Add rohm,rstbmode-level.
>> >>> ---
>> >>> arch/arm64/boot/dts/renesas/salvator-common.dtsi | 2 ++
>> >>> 1 file changed, 2 insertions(+)
>> >>>
>> >>> diff --git a/arch/arm64/boot/dts/renesas/salvator-common.dtsi b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
>> >>> index 2a7f36abd2dd85c6..80794c38c2669d75 100644
>> >>> --- a/arch/arm64/boot/dts/renesas/salvator-common.dtsi
>> >>> +++ b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
>> >>> @@ -376,6 +376,8 @@
>> >>> #interrupt-cells = <2>;
>> >>> gpio-controller;
>> >>> #gpio-cells = <2>;
>> >>> + rohm,ddr-backup-power = <15>;
>> >>
>> >> Why not 0xf if those are all bit flags?
>> >
>> > Because it's a small number?
>> > Does it matter?
>>
>> I think hex is preferable for the bit flags. Decimal makes one think it's something
>> else -- some magnitude, etc...
>
> Geert, it seems that Rob Herring is of the same opinion.
> Would you care to respin this series?
Sure, after the respun driver series has been accepted.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
WARNING: multiple messages have this Message-ID (diff)
From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Simon Horman <horms@verge.net.au>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Magnus Damm <magnus.damm@gmail.com>,
Marek Vasut <marek.vasut+renesas@gmail.com>,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v2 2/3] arm64: dts: renesas: salvator-common: Configure PMIC for DDR Backup Power
Date: Mon, 26 Mar 2018 11:13:54 +0200 [thread overview]
Message-ID: <CAMuHMdW5ox34+_Z76T+cDyZeuJJE4OZ8=hEpdjbCcg+TwSX61A@mail.gmail.com> (raw)
In-Reply-To: <20180326090625.espsuzblp7gy767t@verge.net.au>
Hi Simon,
On Mon, Mar 26, 2018 at 11:06 AM, Simon Horman <horms@verge.net.au> wrote:
> On Fri, Mar 16, 2018 at 03:08:13PM +0300, Sergei Shtylyov wrote:
>> On 03/16/2018 03:00 PM, Geert Uytterhoeven wrote:
>>
>> >>> On Salvator-X(S), all of the DDR0, DDR1, DDR0C, and DDR1C power rails
>> >>> need to be kept powered when backup mode is enabled. Reflect this in
>> >>> the "rohm,ddr-backup-power" property for the BD9571MWV PMIC node.
>> >>>
>> >>> The accessory power switch (SW23) is a toggle switch, hense specify
>> >>> "rohm,rstbmode-level".
>> >>>
>> >>> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
>> >>> ---
>> >>> v2:
>> >>> - Add rohm,rstbmode-level.
>> >>> ---
>> >>> arch/arm64/boot/dts/renesas/salvator-common.dtsi | 2 ++
>> >>> 1 file changed, 2 insertions(+)
>> >>>
>> >>> diff --git a/arch/arm64/boot/dts/renesas/salvator-common.dtsi b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
>> >>> index 2a7f36abd2dd85c6..80794c38c2669d75 100644
>> >>> --- a/arch/arm64/boot/dts/renesas/salvator-common.dtsi
>> >>> +++ b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
>> >>> @@ -376,6 +376,8 @@
>> >>> #interrupt-cells = <2>;
>> >>> gpio-controller;
>> >>> #gpio-cells = <2>;
>> >>> + rohm,ddr-backup-power = <15>;
>> >>
>> >> Why not 0xf if those are all bit flags?
>> >
>> > Because it's a small number?
>> > Does it matter?
>>
>> I think hex is preferable for the bit flags. Decimal makes one think it's something
>> else -- some magnitude, etc...
>
> Geert, it seems that Rob Herring is of the same opinion.
> Would you care to respin this series?
Sure, after the respun driver series has been accepted.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
WARNING: multiple messages have this Message-ID (diff)
From: geert@linux-m68k.org (Geert Uytterhoeven)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/3] arm64: dts: renesas: salvator-common: Configure PMIC for DDR Backup Power
Date: Mon, 26 Mar 2018 11:13:54 +0200 [thread overview]
Message-ID: <CAMuHMdW5ox34+_Z76T+cDyZeuJJE4OZ8=hEpdjbCcg+TwSX61A@mail.gmail.com> (raw)
In-Reply-To: <20180326090625.espsuzblp7gy767t@verge.net.au>
Hi Simon,
On Mon, Mar 26, 2018 at 11:06 AM, Simon Horman <horms@verge.net.au> wrote:
> On Fri, Mar 16, 2018 at 03:08:13PM +0300, Sergei Shtylyov wrote:
>> On 03/16/2018 03:00 PM, Geert Uytterhoeven wrote:
>>
>> >>> On Salvator-X(S), all of the DDR0, DDR1, DDR0C, and DDR1C power rails
>> >>> need to be kept powered when backup mode is enabled. Reflect this in
>> >>> the "rohm,ddr-backup-power" property for the BD9571MWV PMIC node.
>> >>>
>> >>> The accessory power switch (SW23) is a toggle switch, hense specify
>> >>> "rohm,rstbmode-level".
>> >>>
>> >>> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
>> >>> ---
>> >>> v2:
>> >>> - Add rohm,rstbmode-level.
>> >>> ---
>> >>> arch/arm64/boot/dts/renesas/salvator-common.dtsi | 2 ++
>> >>> 1 file changed, 2 insertions(+)
>> >>>
>> >>> diff --git a/arch/arm64/boot/dts/renesas/salvator-common.dtsi b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
>> >>> index 2a7f36abd2dd85c6..80794c38c2669d75 100644
>> >>> --- a/arch/arm64/boot/dts/renesas/salvator-common.dtsi
>> >>> +++ b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
>> >>> @@ -376,6 +376,8 @@
>> >>> #interrupt-cells = <2>;
>> >>> gpio-controller;
>> >>> #gpio-cells = <2>;
>> >>> + rohm,ddr-backup-power = <15>;
>> >>
>> >> Why not 0xf if those are all bit flags?
>> >
>> > Because it's a small number?
>> > Does it matter?
>>
>> I think hex is preferable for the bit flags. Decimal makes one think it's something
>> else -- some magnitude, etc...
>
> Geert, it seems that Rob Herring is of the same opinion.
> Would you care to respin this series?
Sure, after the respun driver series has been accepted.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2018-03-26 9:13 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-14 12:09 [PATCH v2 0/3] arm64: dts: renesas: salvator-x(s)/ulcb: Configure PMIC for DDR Backup Power Geert Uytterhoeven
2018-03-14 12:09 ` Geert Uytterhoeven
2018-03-14 12:09 ` Geert Uytterhoeven
2018-03-14 12:09 ` [PATCH v2 1/3] arm64: dts: renesas: ulcb: Add BD9571 PMIC Geert Uytterhoeven
2018-03-14 12:09 ` Geert Uytterhoeven
2018-03-14 12:09 ` Geert Uytterhoeven
2018-03-14 12:09 ` [PATCH v2 2/3] arm64: dts: renesas: salvator-common: Configure PMIC for DDR Backup Power Geert Uytterhoeven
2018-03-14 12:09 ` Geert Uytterhoeven
2018-03-14 12:09 ` Geert Uytterhoeven
2018-03-14 15:17 ` Sergei Shtylyov
2018-03-14 15:17 ` Sergei Shtylyov
2018-03-14 15:17 ` Sergei Shtylyov
2018-03-16 11:49 ` Simon Horman
2018-03-16 11:49 ` Simon Horman
2018-03-16 11:49 ` Simon Horman
2018-03-16 12:00 ` Geert Uytterhoeven
2018-03-16 12:00 ` Geert Uytterhoeven
2018-03-16 12:00 ` Geert Uytterhoeven
2018-03-16 12:08 ` Sergei Shtylyov
2018-03-16 12:08 ` Sergei Shtylyov
2018-03-16 12:08 ` Sergei Shtylyov
2018-03-26 9:06 ` Simon Horman
2018-03-26 9:06 ` Simon Horman
2018-03-26 9:06 ` Simon Horman
2018-03-26 9:13 ` Geert Uytterhoeven [this message]
2018-03-26 9:13 ` Geert Uytterhoeven
2018-03-26 9:13 ` Geert Uytterhoeven
2018-03-27 8:17 ` Simon Horman
2018-03-27 8:17 ` Simon Horman
2018-03-27 8:17 ` Simon Horman
2018-03-14 12:09 ` [PATCH v2 3/3] arm64: dts: renesas: ulcb: " Geert Uytterhoeven
2018-03-14 12:09 ` Geert Uytterhoeven
2018-03-14 12:09 ` Geert Uytterhoeven
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