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riscv: dts: spacemit: define fixed regulators

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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>
Link: https://lore.kernel.org/r/20250825172057.163883-7-elder@riscstar.com
Signed-off-by: Yixun Lan <dlan@gentoo.org>
This commit is contained in:
Alex Elder 2025-08-25 12:20:55 -05:00 committed by Yixun Lan
parent 3e8d7309e6
commit 1df07a4045
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1 changed files with 19 additions and 0 deletions
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arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
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@ -30,6 +30,25 @@ 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 {