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riscv: dts: spacemit: define regulator constraints

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Define basic constraints for the regulators in the SpacemiT P1 PMIC,
as implemented in the Banana Pi BPI-F3.

Signed-off-by: Alex Elder <elder@riscstar.com>
Link: https://lore.kernel.org/r/20250825172057.163883-8-elder@riscstar.com
Signed-off-by: Yixun Lan <dlan@gentoo.org>
This commit is contained in:
Alex Elder 2025-08-25 12:20:56 -05:00 committed by Yixun Lan
parent 1df07a4045
commit 09a412d397
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1 changed files with 104 additions and 0 deletions
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104
arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
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@ -120,6 +120,110 @@ pmic@41 {
compatible = "spacemit,p1";
reg = <0x41>;
interrupts = <64>;
vin-supply = <&reg_vcc_4v>;
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>;
};
};
};
};