ARM: dts: rockchip: Add ramp delay for vdd_cpu in firefly board dts

Adds ramp delay for the vdd_cpu output. It removes warning "ramp_delay
not set" emitted by the function regulator_set_voltage_time_sel() by the
same time, which floods kernel logs.

Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm/boot/dts/rk3288-firefly.dtsi b/arch/arm/boot/dts/rk3288-firefly.dtsi
index 0b42372e437944f2ed4ffeff249dbaabec1543a8..0c66e92a88857e4e713805a21f90debc5b9abbb5 100644 (file)
--- a/arch/arm/boot/dts/rk3288-firefly.dtsi
+++ b/arch/arm/boot/dts/rk3288-firefly.dtsi
@@ -213,6 +213,8 @@
                regulator-max-microvolt = <1350000>;
                regulator-always-on;
                regulator-boot-on;
+               regulator-enable-ramp-delay = <300>;
+               regulator-ramp-delay = <8000>;
                vin-supply = <&vcc_sys>;
        };