Messages in this thread Patch in this message |  | | From | Anand Moon <> | | Subject | [PATCH linux-next v1 1/3] riscv: dts: spacemit: k1-bananapi-f3: Add vcc5v0_sys regulator for Banana Pi F3 | | Date | Wed, 25 Mar 2026 13:46:08 +0530 |
| |
Define the system 5V fixed regulator (vcc5v0_sys) supplied by the DC input. As per the schematics, vcc5v0_sys is the input power source for the VCC5V0_HUB and 5V_VBUS reglators. Update these regulators to correctly reference vcc5v0_sys as their parent (vin-supply).
Cc: Han Gao <gaohan@iscas.ac.cn> Cc: Ze Huang <huang.ze@linux.dev> Cc: Chukun Pan <amadeus@jmu.edu.cn> Signed-off-by: Anand Moon <linux.amoon@gmail.com> --- arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts index 5790d927b93d..9727ecdd9f6b 100644 --- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts +++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts @@ -50,6 +50,16 @@ reg_dc_in: regulator-dc-in-12v { regulator-always-on; }; + reg_vcc5v0_sys: regulator-vcc5v0-sys { + compatible = "regulator-fixed"; + regulator-name = "vcc5v0_sys"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-boot-on; + regulator-always-on; + vin-supply = <®_dc_in>; + }; + reg_vcc_4v: regulator-vcc-4v { compatible = "regulator-fixed"; regulator-name = "vcc_4v"; @@ -66,6 +76,7 @@ regulator-usb3-vbus-5v { regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; regulator-always-on; + vin-supply = <®_vcc5v0_sys>; gpio = <&gpio K1_GPIO(97) GPIO_ACTIVE_HIGH>; enable-active-high; }; @@ -75,6 +86,7 @@ usb3_hub_5v: regulator-usb3-hub-5v { regulator-name = "USB30_HUB"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; + vin-supply = <®_vcc5v0_sys>; gpio = <&gpio K1_GPIO(123) GPIO_ACTIVE_HIGH>; enable-active-high; }; -- 2.53.0
|  |