[PATCH v5 16/16] arm64: allwinner: A100: add support for Allwinner Perf1 board

Frank Lee
2020-07-24T07:23:23Z

From: Yangtao Li <frank@allwinnertech.com>

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>
---
arch/arm64/boot/dts/allwinner/Makefile | 1 +
.../allwinner/sun50i-a100-allwinner-perf1.dts | 180 ++++++++++++++++++
2 files changed, 181 insertions(+)
create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts

diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
index e4d3cd0ac5bb..ab780dbdd17b 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -14,6 +14,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinephone-1.1.dtb
dtb-$(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
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts b/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts
new file mode 100644
index 000000000000..d34c2bb1079f
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts
@@ -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";
+};
--
2.24.0