From: Andre Heider <a.heider@gmail.com>
To: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Yixun Lan <dlan@kernel.org>,
Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>
Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
spacemit@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: [PATCH 1/3] riscv: dts: spacemit: k1-musepi-pro: add cpu scaling
Date: Tue, 4 Aug 2026 15:32:32 +0200 [thread overview]
Message-ID: <20260804133236.205668-2-a.heider@gmail.com> (raw)
In-Reply-To: <20260804133236.205668-1-a.heider@gmail.com>
Enable CPU DVFS by including the OPP table and wiring the CPU nodes to the
CPU regulator supply.
Signed-off-by: Andre Heider <a.heider@gmail.com>
---
.../riscv/boot/dts/spacemit/k1-musepi-pro.dts | 35 ++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
index 246f8f2ab62b..23f32a8a3d45 100644
--- a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
@@ -8,6 +8,7 @@
/dts-v1/;
#include "k1.dtsi"
+#include "k1-opp.dtsi"
#include "k1-pinctrl.dtsi"
/ {
@@ -99,6 +100,38 @@ &combo_phy {
status = "okay";
};
+&cpu_0 {
+ cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_1 {
+ cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_2 {
+ cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_3 {
+ cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_4 {
+ cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_5 {
+ cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_6 {
+ cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_7 {
+ cpu-supply = <&buck1_0v9>;
+};
+
ð0 {
phy-handle = <&rgmii0>;
phy-mode = "rgmii-id";
@@ -178,7 +211,7 @@ pmic@41 {
dldoin2-supply = <&buck5>;
regulators {
- buck1 {
+ buck1_0v9: buck1 {
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <1050000>;
regulator-ramp-delay = <5000>;
--
2.53.0
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2026-08-04 13:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-04 13:32 [PATCH 0/3] riscv: dts: spacemit: add cpu scaling for 3 boards Andre Heider
2026-08-04 13:32 ` Andre Heider [this message]
2026-08-04 13:32 ` [PATCH 2/3] riscv: dts: spacemit: orangepi-rv2: Add cpu scaling for K1 SoC Andre Heider
2026-08-04 13:32 ` [PATCH 3/3] riscv: dts: spacemit: orangepi-r2s: " Andre Heider
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=20260804133236.205668-2-a.heider@gmail.com \
--to=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@kernel.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