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Thu, 24 Jul 2025 13:25:30 -0700 (PDT) From: Alex Elder To: lee@kernel.org, lgirdwood@gmail.com, broonie@kernel.org, alexandre.belloni@bootlin.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: mat.jonczyk@o2.pl, dlan@gentoo.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, linux.amoon@gmail.com, troymitchell988@gmail.com, guodong@riscstar.com, linux-rtc@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v9 8/8] riscv: dts: spacemit: define regulator constraints Date: Thu, 24 Jul 2025 15:25:09 -0500 Message-ID: <20250724202511.499288-9-elder@riscstar.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250724202511.499288-1-elder@riscstar.com> References: <20250724202511.499288-1-elder@riscstar.com> Precedence: bulk X-Mailing-List: linux-rtc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Define basic constraints for the regulators in the SpacemiT P1 PMIC, as implemented in the Banana Pi BPI-F3. Signed-off-by: Alex Elder --- .../boot/dts/spacemit/k1-bananapi-f3.dts | 104 ++++++++++++++++++ 1 file changed, 104 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts index a1c184b814262..83907cc1d5ccf 100644 --- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts +++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts @@ -70,7 +70,111 @@ pmic@41 { compatible = "spacemit,p1"; reg = <0x41>; interrupts = <64>; + vin-supply = <®_vcc_4v>; status = "okay"; + + regulators { + buck1 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3450000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + }; + + buck2 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3450000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + }; + + buck3 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <1800000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + }; + + buck4 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3300000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + }; + + buck5 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3450000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + }; + + buck6 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3450000>; + regulator-ramp-delay = <5000>; + regulator-always-on; + }; + + aldo1 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + }; + + aldo2 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + aldo3 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + aldo4 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + dldo1 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + }; + + dldo2 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + dldo3 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + dldo4 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + regulator-always-on; + }; + + dldo5 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + + dldo6 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + regulator-always-on; + }; + + dldo7 { + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <3400000>; + }; + }; }; }; -- 2.43.0