Unverified Commit 95c83906 authored by Yangtao Li's avatar Yangtao Li Committed by Maxime Ripard
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arm64: allwinner: A100: add support for Allwinner Perf1 board 



A100 perf1 is an Allwinner A100-based SBC, with the following features:

- 1GiB DDR3 DRAM
- AXP803 PMIC
- 2 USB 2.0 ports
- MicroSD slot and on-board eMMC module
- on-board Nand flash
- ···

Adds initial support for it, including UART and PMU.

Signed-off-by: default avatarYangtao Li <frank@allwinnertech.com>
Signed-off-by: default avatarMaxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/30f4a3fc6ac84d05094e2c3b89d1dddc8ff6b7fc.1595572867.git.frank@allwinnertech.com
parent 1c09280f

arch/arm64/boot/dts/allwinner/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinephone-1.2.dtb 
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinetab.dtb

dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-sopine-baseboard.dtb

dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-teres-i.dtb

dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a100-allwinner-perf1.dtb

dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-bananapi-m2-plus.dtb

dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-bananapi-m2-plus-v1.2.dtb

dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-emlid-neutis-n5-devboard.dtb

arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts

0 → 100644
+180 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: (GPL-2.0+ or MIT)

/*

 * Copyright (c) 2020 Yangtao Li <frank@allwinnertech.com>

 */



/dts-v1/;



#include "sun50i-a100.dtsi"



/{

	model = "Allwinner A100 Perf1";

	compatible = "allwinner,a100-perf1", "allwinner,sun50i-a100";



	aliases {

		serial0 = &uart0;

	};



	chosen {

		stdout-path = "serial0:115200n8";

	};

};



&pio {

	vcc-pb-supply = <&reg_dcdc1>;

	vcc-pc-supply = <&reg_eldo1>;

	vcc-pd-supply = <&reg_dcdc1>;

	vcc-pe-supply = <&reg_dldo2>;

	vcc-pf-supply = <&reg_dcdc1>;

	vcc-pg-supply = <&reg_dldo1>;

	vcc-ph-supply = <&reg_dcdc1>;

};



&r_pio {

	/*

	 * FIXME: We can't add that supply for now since it would

	 * create a circular dependency between pinctrl, the regulator

	 * and the RSB Bus.

	 *

	 * vcc-pl-supply = <&reg_aldo3>;

	 */

};



&r_i2c0 {

	status = "okay";



	axp803: pmic@34 {

		compatible = "x-powers,axp803";

		reg = <0x34>;

		interrupt-parent = <&r_intc>;

		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;

		x-powers,drive-vbus-en; /* set N_VBUSEN as output pin */

	};

};



#include "axp803.dtsi"



&ac_power_supply {

	status = "okay";

};



&reg_aldo1 {

	regulator-always-on;

	regulator-min-microvolt = <1800000>;

	regulator-max-microvolt = <1800000>;

	regulator-name = "vcc-pll-avcc";

};



&reg_aldo2 {

	regulator-always-on;

	regulator-min-microvolt = <1800000>;

	regulator-max-microvolt = <1800000>;

	regulator-name = "vcc-dram-1";

};



&reg_aldo3 {

	regulator-always-on;

	regulator-min-microvolt = <3300000>;

	regulator-max-microvolt = <3300000>;

	regulator-name = "vcc-usb-pl";

};



&reg_dcdc1 {

	regulator-always-on;

	regulator-min-microvolt = <3300000>;

	regulator-max-microvolt = <3300000>;

	regulator-name = "vcc-io-usb-pd-emmc-nand-card";

};



&reg_dcdc2 {

	regulator-always-on;

	/*

	 * FIXME: update min and max before support dvfs.

	 */

	regulator-min-microvolt = <500000>;

	regulator-max-microvolt = <1300000>;

	regulator-name = "vdd-cpux";

};



/* DCDC3 is polyphased with DCDC2 */



&reg_dcdc4 {

	regulator-always-on;

	regulator-min-microvolt = <950000>;

	regulator-max-microvolt = <950000>;

	regulator-name = "vdd-sys-usb-dram";

};



&reg_dcdc5 {

	regulator-always-on;

	regulator-min-microvolt = <1500000>;

	regulator-max-microvolt = <1500000>;

	regulator-name = "vcc-dram-2";

};



&reg_dldo1 {

	regulator-min-microvolt = <3300000>;

	regulator-max-microvolt = <3300000>;

	regulator-name = "vcc-pg-dcxo-wifi";

};



&reg_dldo2 {

	regulator-min-microvolt = <1800000>;

	regulator-max-microvolt = <2800000>;

	regulator-name = "vcc-pe-csi";

};



&reg_dldo3 {

	regulator-min-microvolt = <1800000>;

	regulator-max-microvolt = <3300000>;

	regulator-name = "ldo-avdd-csi";

};



&reg_dldo4 {

	regulator-min-microvolt = <1800000>;

	regulator-max-microvolt = <2800000>;

	regulator-name = "avcc-csi";

};



&reg_eldo1 {

	regulator-min-microvolt = <1800000>;

	regulator-max-microvolt = <1800000>;

	regulator-name = "vcc-pc-lvds-csi-efuse-emmc-nand";

};



&reg_eldo2 {

	regulator-min-microvolt = <1200000>;

	regulator-max-microvolt = <1800000>;

	regulator-name = "dvdd-csi";

};



&reg_eldo3 {

	regulator-min-microvolt = <1800000>;

	regulator-max-microvolt = <1800000>;

	regulator-name = "vcc-mipi-lcd";

};



&reg_fldo1 {

	regulator-always-on;

	regulator-min-microvolt = <900000>;

	regulator-max-microvolt = <900000>;

	regulator-name = "vdd-cpus-usb";

};



&reg_ldo_io0 {

	regulator-min-microvolt = <3300000>;

	regulator-max-microvolt = <3300000>;

	regulator-name = "vcc-ctp";

	status = "okay";

};



&reg_drivevbus {

	regulator-name = "usb0-vbus";

	status = "okay";

};



&uart0 {

	pinctrl-names = "default";

	pinctrl-0 = <&uart0_pb_pins>;

	status = "okay";

};

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