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From: Alex Elder <elder@riscstar.com>
To: lee@kernel.org, robh@kernel.org, krzk+dt@kernel.org,
	conor+dt@kernel.org, broonie@kernel.org, lgirdwood@gmail.com
Cc: wangruikang@iscas.ac.cn, dlan@gentoo.org,
	troymitchell988@gmail.com, paul.walmsley@sifive.com,
	palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr,
	devicetree@vger.kernel.org, spacemit@lists.linux.dev,
	linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 5/6] riscv: dts: spacemit: define fixed regulators
Date: Thu, 19 Jun 2025 08:51:49 -0500	[thread overview]
Message-ID: <20250619135151.3206258-6-elder@riscstar.com> (raw)
In-Reply-To: <20250619135151.3206258-1-elder@riscstar.com>

Define the DC power input and the 4v power as fixed supplies in the
Banana Pi BPI-F3.

Signed-off-by: Alex Elder <elder@riscstar.com>
---
 .../boot/dts/spacemit/k1-bananapi-f3.dts      | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
index 7c9f91c88e01a..a1c184b814262 100644
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -28,6 +28,25 @@ led1 {
 			default-state = "on";
 		};
 	};
+
+	reg_dc_in: dc-in-12v {
+		compatible = "regulator-fixed";
+		regulator-name = "dc_in_12v";
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	reg_vcc_4v: vcc-4v {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_4v";
+		regulator-min-microvolt = <4000000>;
+		regulator-max-microvolt = <4000000>;
+		regulator-boot-on;
+		regulator-always-on;
+		vin-supply = <&reg_dc_in>;
+	};
 };
 
 &emmc {
-- 
2.45.2


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linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

WARNING: multiple messages have this Message-ID (diff)
From: Alex Elder <elder@riscstar.com>
To: lee@kernel.org, robh@kernel.org, krzk+dt@kernel.org,
	conor+dt@kernel.org, broonie@kernel.org, lgirdwood@gmail.com
Cc: wangruikang@iscas.ac.cn, dlan@gentoo.org,
	troymitchell988@gmail.com, paul.walmsley@sifive.com,
	palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr,
	devicetree@vger.kernel.org, spacemit@lists.linux.dev,
	linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 5/6] riscv: dts: spacemit: define fixed regulators
Date: Thu, 19 Jun 2025 08:51:49 -0500	[thread overview]
Message-ID: <20250619135151.3206258-6-elder@riscstar.com> (raw)
In-Reply-To: <20250619135151.3206258-1-elder@riscstar.com>

Define the DC power input and the 4v power as fixed supplies in the
Banana Pi BPI-F3.

Signed-off-by: Alex Elder <elder@riscstar.com>
---
 .../boot/dts/spacemit/k1-bananapi-f3.dts      | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
index 7c9f91c88e01a..a1c184b814262 100644
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -28,6 +28,25 @@ led1 {
 			default-state = "on";
 		};
 	};
+
+	reg_dc_in: dc-in-12v {
+		compatible = "regulator-fixed";
+		regulator-name = "dc_in_12v";
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	reg_vcc_4v: vcc-4v {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_4v";
+		regulator-min-microvolt = <4000000>;
+		regulator-max-microvolt = <4000000>;
+		regulator-boot-on;
+		regulator-always-on;
+		vin-supply = <&reg_dc_in>;
+	};
 };
 
 &emmc {
-- 
2.45.2


  parent reply	other threads:[~2025-06-19 17:02 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-19 13:51 [PATCH v2 0/6] spacemit: introduce P1 PMIC and regulator support Alex Elder
2025-06-19 13:51 ` Alex Elder
2025-06-19 13:51 ` [PATCH v2 1/6] dt-bindings: mfd: add support the SpacemiT P1 PMIC Alex Elder
2025-06-19 13:51   ` Alex Elder
2025-06-19 13:51 ` [PATCH v2 2/6] mfd: spacemit: add support for SpacemiT PMICs Alex Elder
2025-06-19 13:51   ` Alex Elder
2025-06-19 14:44   ` Lee Jones
2025-06-19 14:44     ` Lee Jones
2025-06-19 13:51 ` [PATCH v2 3/6] regulator: spacemit: support SpacemiT P1 regulators Alex Elder
2025-06-19 13:51   ` Alex Elder
2025-06-19 13:51 ` [PATCH v2 4/6] riscv: dts: spacemit: enable the i2c8 adapter Alex Elder
2025-06-19 13:51   ` Alex Elder
2025-06-19 13:51 ` Alex Elder [this message]
2025-06-19 13:51   ` [PATCH v2 5/6] riscv: dts: spacemit: define fixed regulators Alex Elder
2025-06-19 13:51 ` [PATCH v2 6/6] riscv: dts: spacemit: define regulator constraints Alex Elder
2025-06-19 13:51   ` Alex Elder

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