riscv: dts: spacemit: define regulator constraints

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>

diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
index 42762f22ceb14ce18b7a0d5c9a3470ad3975d771..b3322dcac31a51a12126a9928a56836dd75f9dc4 100644 (file)
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -120,6 +120,110 @@
                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>;
+                       };
+               };
        };
 };