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arm64: allwinner: A100: add support for Allwinner Perf1 board

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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: Yangtao Li <frank@allwinnertech.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/30f4a3fc6ac84d05094e2c3b89d1dddc8ff6b7fc.1595572867.git.frank@allwinnertech.com
This commit is contained in:
Yangtao Li 2020-07-24 15:21:05 +08:00 committed by Maxime Ripard
parent 1c09280f0b
commit 95c8390638
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GPG Key ID: E3EF0D6F671851C5
2 changed files with 181 additions and 0 deletions
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1
arch/arm64/boot/dts/allwinner/Makefile
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@ -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

180
arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts Normal file
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@ -0,0 +1,180 @@
// 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";
};