Hi, On 18/05/17 08:16, Icenowy Zheng wrote: > Add support of AXP803 regulators in the Pine64 device tree, in order to > enable many future functionalities, e.g. Wi-Fi. > > Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx> > --- > Changes in v6: > - Rebased on next-20170517. > > .../arm64/boot/dts/allwinner/sun50i-a64-pine64.dts | 109 +++++++++++++++++++++ > 1 file changed, 109 insertions(+) > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts > index 36001884ed33..40921bacb39c 100644 > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts > @@ -118,6 +118,115 @@ > }; > }; > > +#include "axp803.dtsi" > + > +®_aldo1 { > + regulator-min-microvolt = <2800000>; > + regulator-max-microvolt = <2800000>; > + regulator-name = "vcc-csi"; > +}; > + > +®_aldo2 { > + regulator-always-on; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc-pl"; > +}; > + > +®_aldo3 { > + regulator-always-on; > + regulator-min-microvolt = <2700000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc-pll-avcc"; > +}; > + > +®_dc1sw { > + regulator-name = "vcc-phy"; > +}; > + > +®_dcdc1 { > + regulator-always-on; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc-3v3"; > +}; > + > +®_dcdc2 { > + regulator-always-on; > + regulator-min-microvolt = <1000000>; > + regulator-max-microvolt = <1300000>; > + regulator-name = "vdd-cpux"; > +}; > + > +/* DCDC3 is polyphased with DCDC2 */ > + > +®_dcdc5 { > + regulator-always-on; > + regulator-min-microvolt = <1500000>; > + regulator-max-microvolt = <1500000>; > + regulator-name = "vcc-dram"; > +}; I think I mentioned this before, but the Pine64 has DDR3L DRAM, which is specified to run at 1.35V (1.36V with the 20mV granularity of the AXP). The reset value is even (wrongly?) configured to 1.24V. So is there any reason you set the voltage to 1.5V? Is that what the BSP does? Or did you see any problems with 1.36V? Cheers, Andre. > +®_dcdc6 { > + regulator-always-on; > + regulator-min-microvolt = <1100000>; > + regulator-max-microvolt = <1100000>; > + regulator-name = "vdd-sys"; > +}; > + > +®_dldo1 { > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc-hdmi"; > +}; > + > +®_dldo2 { > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc-mipi"; > +}; > + > +®_dldo3 { > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "avdd-csi"; > +}; > + > +®_dldo4 { > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-name = "vcc-wifi"; > +}; > + > +®_eldo1 { > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + regulator-name = "cpvdd"; > +}; > + > +®_eldo3 { > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + regulator-name = "vdd-1v8-csi"; > +}; > + > +®_fldo1 { > + regulator-min-microvolt = <1200000>; > + regulator-max-microvolt = <1200000>; > + regulator-name = "vcc-1v2-hsic"; > +}; > + > +®_fldo2 { > + regulator-always-on; > + regulator-min-microvolt = <1100000>; > + regulator-max-microvolt = <1100000>; > + regulator-name = "vdd-cpus"; > +}; > + > +®_rtc_ldo { > + regulator-name = "vcc-rtc"; > +}; > + > /* On Exp and Euler connectors */ > &uart0 { > pinctrl-names = "default"; > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html