The Linux Kernel Mailing List
 help / color / mirror / Atom feed
From: Yixun Lan <dlan@kernel.org>
To: Andre Heider <a.heider@gmail.com>
Cc: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>, Yixun Lan <dlan@gentoo.org>,
	devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
	spacemit@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/6] riscv: dts: spacemit: k1-musepi-pro: add PMIC and power infrastructure
Date: Tue, 12 May 2026 22:53:54 +0000	[thread overview]
Message-ID: <20260512225354-GKK3624147@kernel.org> (raw)
In-Reply-To: <a41f87cc-55e4-4a48-bbee-d863e5a4b00a@gmail.com>

Hi Andre,

On 14:20 Tue 12 May     , Andre Heider wrote:
> On 12.05.26 1:39 PM, Yixun Lan wrote:
> > Hi Andre,
> > 
> > On 13:11 Mon 11 May     , Andre Heider wrote:
> >> Enable i2c8 and add the connected SpacemiT P1 PMIC with its related regulators
> >> for the board's power infrastructure and voltage regulation support.
> >>
> >> Signed-off-by: Andre Heider <a.heider@gmail.com>
> >> ---
> >>   .../riscv/boot/dts/spacemit/k1-musepi-pro.dts | 144 ++++++++++++++++++
> >>   1 file changed, 144 insertions(+)
> >>
> >> diff --git a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
> >> index 29e333b670cf0..88c35ad1ef2ae 100644
> >> --- a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
> >> +++ b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
> >> @@ -17,6 +17,7 @@ / {
> >>   	aliases {
> >>   		ethernet0 = &eth0;
> >>   		serial0 = &uart0;
> >> +		i2c8 = &i2c8;
> >>   	};
> >>   
> >>   	chosen {
> >> @@ -33,6 +34,25 @@ led1 {
> >>   			default-state = "on";
> >>   		};
> >>   	};
> >> +
> > ..
> >> +	reg_usb_vbus: regulator-usb-vbus {
> >> +		compatible = "regulator-fixed";
> >> +		regulator-name = "USBVBUS";
> >> +		regulator-min-microvolt = <12000000>;
> >> +		regulator-max-microvolt = <12000000>;
> >> +		regulator-boot-on;
> >> +		regulator-always-on;
> >> +	};
> > I think you can further drop above regulator, which merely serve as vin-supply
> > and not used by devices, plus it's a non-controllable fixed regulator
> 
> It is, but as mentioned on the cover letter I left this one as it's consistent with the other k1 boards.
> I don't care either way, so I'll just drop it.
> 
Please drop

It's a historical reason that we instroduced the unnecessary regulator
before Krzysztof's comment, in other words, we should also fix that too..

-- 
Yixun Lan (dlan)

  reply	other threads:[~2026-05-12 22:53 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20260511111116.1109643-1-a.heider@gmail.com>
2026-05-11 11:11 ` [PATCH v2 1/6] riscv: dts: spacemit: k1-musepi-pro: add PMIC and power infrastructure Andre Heider
2026-05-12 11:39   ` Yixun Lan
2026-05-12 12:20     ` Andre Heider
2026-05-12 22:53       ` Yixun Lan [this message]
2026-05-11 11:11 ` [PATCH v2 2/6] riscv: dts: spacemit: k1-musepi-pro: add 24c04 eeprom Andre Heider
2026-05-11 11:11 ` [PATCH v2 3/6] riscv: dts: spacemit: k1-musepi-pro: enable QSPI and add SPI NOR Andre Heider
2026-05-12 11:44   ` Yixun Lan
2026-05-11 11:11 ` [PATCH v2 4/6] riscv: dts: spacemit: k1-musepi-pro: enable USB 3 ports Andre Heider
2026-05-11 11:11 ` [PATCH v2 5/6] riscv: dts: spacemit: k1-musepi-pro: enable PCIe ports Andre Heider
2026-05-12 11:34   ` Yixun Lan
2026-05-11 11:11 ` [PATCH v2 6/6] riscv: dts: spacemit: k1-musepi-pro: set default console baud rate Andre Heider
2026-05-12 11:35   ` Yixun Lan

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260512225354-GKK3624147@kernel.org \
    --to=dlan@kernel.org \
    --cc=a.heider@gmail.com \
    --cc=alex@ghiti.fr \
    --cc=aou@eecs.berkeley.edu \
    --cc=conor+dt@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=dlan@gentoo.org \
    --cc=krzk+dt@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=palmer@dabbelt.com \
    --cc=pjw@kernel.org \
    --cc=robh@kernel.org \
    --cc=spacemit@lists.linux.dev \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox