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Re: [PATCH 10/11] arm64: allwinner: a64: enable AXP803 regulators for Pine64

From Maxime Ripard <maxime.ripard@free-electrons.com>
Newsgroups linux.kernel
Subject Re: [PATCH 10/11] arm64: allwinner: a64: enable AXP803 regulators for Pine64
Date 2017-04-05 08:20 +0200
Message-ID <tsMsp-7lZ-13@gated-at.bofh.it> (permalink)
References <tsB3X-8pK-3@gated-at.bofh.it> <tsB3Z-8pK-33@gated-at.bofh.it>
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On Wed, Apr 05, 2017 at 02:01:44AM +0800, 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@aosc.io>
> ---
>  .../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 2132d8e6cb3d..7da074f95065 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
> @@ -106,6 +106,115 @@
>  	};
>  };
>  
> +#include "axp803.dtsi"
> +
> +&reg_aldo1 {
> +	regulator-min-microvolt = <2800000>;
> +	regulator-max-microvolt = <2800000>;
> +	regulator-name = "vcc-csi";
> +};
> +
> +&reg_aldo2 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <1800000>;
> +	regulator-max-microvolt = <3300000>;
> +	regulator-name = "vcc-pl";
> +};
> +
> +&reg_aldo3 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <2700000>;
> +	regulator-max-microvolt = <3300000>;
> +	regulator-name = "vcc-pll-avcc";
> +};
> +
> +&reg_dc1sw {
> +	regulator-name = "vcc-phy";
> +};
> +
> +&reg_dcdc1 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <3300000>;
> +	regulator-max-microvolt = <3300000>;
> +	regulator-name = "vcc-3v3";
> +};
> +
> +&reg_dcdc2 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <1000000>;
> +	regulator-max-microvolt = <1300000>;
> +	regulator-name = "vdd-cpux";
> +};
> +
> +/* DCDC3 is polyphased with DCDC2 */
> +
> +&reg_dcdc5 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <1500000>;
> +	regulator-max-microvolt = <1500000>;
> +	regulator-name = "vcc-dram";
> +};
> +
> +&reg_dcdc6 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <1100000>;
> +	regulator-max-microvolt = <1100000>;
> +	regulator-name = "vdd-sys";
> +};
> +
> +&reg_dldo1 {
> +	regulator-min-microvolt = <3300000>;
> +	regulator-max-microvolt = <3300000>;
> +	regulator-name = "vcc-hdmi";
> +};
> +
> +&reg_dldo2 {
> +	regulator-min-microvolt = <3300000>;
> +	regulator-max-microvolt = <3300000>;
> +	regulator-name = "vcc-mipi";
> +};
> +
> +&reg_dldo3 {
> +	regulator-min-microvolt = <3300000>;
> +	regulator-max-microvolt = <3300000>;
> +	regulator-name = "avdd-csi";
> +};
> +
> +&reg_dldo4 {
> +	regulator-min-microvolt = <3300000>;
> +	regulator-max-microvolt = <3300000>;
> +	regulator-name = "vcc-wifi";
> +};
> +
> +&reg_eldo1 {
> +	regulator-min-microvolt = <1800000>;
> +	regulator-max-microvolt = <1800000>;
> +	regulator-name = "cpvdd";
> +};
> +
> +&reg_eldo3 {
> +	regulator-min-microvolt = <1800000>;
> +	regulator-max-microvolt = <1800000>;
> +	regulator-name = "vdd-1v8-csi";
> +};
> +
> +&reg_fldo1 {
> +	regulator-min-microvolt = <1200000>;
> +	regulator-max-microvolt = <1200000>;
> +	regulator-name = "vcc-1v2-hsic";
> +};
> +
> +&reg_fldo2 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <1100000>;
> +	regulator-max-microvolt = <1100000>;
> +	regulator-name = "vdd-cpus";
> +};

Why do you need to always power the AR100 on?

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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[PATCH 00/11] AXP803 PMIC support for Pine64 Icenowy Zheng <icenowy@aosc.io> - 2017-04-04 20:10 +0200
  [PATCH 05/11] arm64: allwinner: a64: add AXP803 node to Pine64 device tree Icenowy Zheng <icenowy@aosc.io> - 2017-04-04 20:10 +0200
  [PATCH 04/11] mfd: axp20x: support AXP803 variant Icenowy Zheng <icenowy@aosc.io> - 2017-04-04 20:10 +0200
    Re: [linux-sunxi] [PATCH 04/11] mfd: axp20x: support AXP803 variant Chen-Yu Tsai <wens@csie.org> - 2017-04-05 17:10 +0200
  [PATCH 10/11] arm64: allwinner: a64: enable AXP803 regulators for Pine64 Icenowy Zheng <icenowy@aosc.io> - 2017-04-04 20:10 +0200
    Re: [PATCH 10/11] arm64: allwinner: a64: enable AXP803 regulators  for Pine64 Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-04-05 08:20 +0200
  [PATCH 07/11] regulator: axp20x-regulator: add support for AXP803 Icenowy Zheng <icenowy@aosc.io> - 2017-04-04 20:10 +0200
    Re: [linux-sunxi] [PATCH 07/11] regulator: axp20x-regulator: add  support for AXP803 Chen-Yu Tsai <wens@csie.org> - 2017-04-05 18:10 +0200
  [PATCH 11/11] arm64: allwinner: a64: enable Wi-Fi for Pine64 Icenowy Zheng <icenowy@aosc.io> - 2017-04-04 20:10 +0200

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