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SpacemiT: BananaPi BPI-F3: Assign the CPU power supply

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Assign CPU power supply to fully enable CPU DVFS.

Signed-off-by: Patrick Yavitz <pyavitz@gmail.com>
This commit is contained in:
Patrick Yavitz 2026-03-12 06:54:28 -04:00 committed by c0rnelius
parent b0a24dcea5
commit e2c4e05a9f
1 changed files with 75 additions and 0 deletions
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75
patch/kernel/archive/spacemit-7.0/017-BananaPi-BPI-F3-Assign-the-CPU-power-supply.patch Normal file
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@ -0,0 +1,75 @@
From 32965dd8f484a182ec252b57f000be4a06653d55 Mon Sep 17 00:00:00 2001
From: Shuwei Wu <shuwei.wu@mailbox.org>
Date: Sun, 8 Mar 2026 17:37:46 -0400
Subject: [PATCH] BananaPi BPI-F3: Assign the CPU power supply
Assign CPU power supply to fully enable CPU DVFS.
Signed-off-by: Shuwei Wu <shuwei.wu@mailbox.org>
---
.../boot/dts/spacemit/k1-bananapi-f3.dts | 35 ++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
index 5971605754b3..a04ec4f7838d 100644
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -4,6 +4,7 @@
*/
#include "k1.dtsi"
+#include "k1-cpu-opp-table.dtsi"
#include "k1-pinctrl.dtsi"
/ {
@@ -86,6 +87,38 @@ &combo_phy {
status = "okay";
};
+&cpu_0 {
+ cpu-supply = <&buck1_3v45>;
+};
+
+&cpu_1 {
+ cpu-supply = <&buck1_3v45>;
+};
+
+&cpu_2 {
+ cpu-supply = <&buck1_3v45>;
+};
+
+&cpu_3 {
+ cpu-supply = <&buck1_3v45>;
+};
+
+&cpu_4 {
+ cpu-supply = <&buck1_3v45>;
+};
+
+&cpu_5 {
+ cpu-supply = <&buck1_3v45>;
+};
+
+&cpu_6 {
+ cpu-supply = <&buck1_3v45>;
+};
+
+&cpu_7 {
+ cpu-supply = <&buck1_3v45>;
+};
+
&emmc {
bus-width = <8>;
mmc-hs400-1_8v;
@@ -193,7 +226,7 @@ pmic@41 {
vin-supply = <&reg_vcc_4v>;
regulators {
- buck1 {
+ buck1_3v45: buck1 {
regulator-min-microvolt = <500000>;
regulator-max-microvolt = <3450000>;
regulator-ramp-delay = <5000>;
--
2.53.0