From: Chukun Pan <amadeus@jmu.edu.cn>
To: Yixun Lan <dlan@kernel.org>
Cc: Rob Herring <robh@kernel.org>, Paul Walmsley <pjw@kernel.org>,
Alexandre Ghiti <alex@ghiti.fr>,
Albert Ou <aou@eecs.berkeley.edu>,
Conor Dooley <conor+dt@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org, spacemit@lists.linux.dev,
Chukun Pan <amadeus@jmu.edu.cn>
Subject: [PATCH v2 1/3] riscv: dts: spacemit: add fixed regulators for OrangePi
Date: Thu, 2 Apr 2026 18:00:05 +0800 [thread overview]
Message-ID: <20260402100007.110201-2-amadeus@jmu.edu.cn> (raw)
In-Reply-To: <20260402100007.110201-1-amadeus@jmu.edu.cn>
Define the power input and the 4V power as fixed regulator
supplies for the PMIC and USB Hub.
Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
---
.../boot/dts/spacemit/k1-orangepi-r2s.dts | 19 +++++++++++++++++++
.../boot/dts/spacemit/k1-orangepi-rv2.dts | 19 +++++++++++++++++++
2 files changed, 38 insertions(+)
diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts b/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
index de75f6aac740..409a6db269ae 100644
--- a/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
@@ -21,6 +21,25 @@ aliases {
chosen {
stdout-path = "serial0";
};
+
+ vcc_5v0: regulator-vcc-5v0 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_5v0";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ };
+
+ vcc4v0: regulator-vcc4v0 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc4v0";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <4000000>;
+ regulator-max-microvolt = <4000000>;
+ vin-supply = <&vcc_5v0>;
+ };
};
&emmc {
diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
index 7b7331cb3c72..929b70d384b5 100644
--- a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
@@ -33,6 +33,25 @@ led1 {
default-state = "on";
};
};
+
+ vcc_5v0: regulator-vcc-5v0 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_5v0";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ };
+
+ vcc4v0: regulator-vcc4v0 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc4v0";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <4000000>;
+ regulator-max-microvolt = <4000000>;
+ vin-supply = <&vcc_5v0>;
+ };
};
ð0 {
--
2.34.1
next prev parent reply other threads:[~2026-04-02 10:00 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-02 10:00 [PATCH v2 0/3] riscv: dts: spacemit: enable USB3 on OrangePi Chukun Pan
2026-04-02 10:00 ` Chukun Pan [this message]
2026-04-02 10:00 ` [PATCH v2 2/3] riscv: dts: spacemit: enable USB3 on OrangePi R2S Chukun Pan
2026-04-02 14:24 ` Michael Opdenacker
2026-04-03 7:00 ` Chukun Pan
2026-04-02 10:00 ` [PATCH v2 3/3] riscv: dts: spacemit: enable USB3 on OrangePi RV2 Chukun Pan
2026-04-02 12:20 ` Yixun Lan
2026-04-02 13:06 ` Chukun Pan
2026-04-03 0:16 ` Yixun Lan
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