[PATCH 3/3] arm64: dts: allwinner: h616: add YuzukiHD Chameleon support

Andre Przywara
2025-02-21T01:29:08Z

The Chameleon board is an OpenHardware devboard made by YuzukiTsuru.
The form factor resembles the Raspberry Pi Model A boards, though it
differs significantly in its features:

- Allwinner H618 SoC (4 * Arm Cortex-A53 cores, 1MB L2 cache, 1.4 GHz)
- between 512MiB and 2GiB DDR3 DRAM
- up to 128 GiB eMMC flash
- AXP313a PMIC
- 100 Mbit/s Ethernet pins on a header
- XR829 WIFI+Bluetooth chip
- 4 * USB 2.0 USB-C ports
- microSD card slot
- 3.5mm A/V port

Add the devicetree describing the board's peripherals and their
connections.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
---
arch/arm64/boot/dts/allwinner/Makefile | 1 +
.../sun50i-h618-yuzukihd-chameleon.dts | 222 ++++++++++++++++++
2 files changed, 223 insertions(+)
create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h618-yuzukihd-chameleon.dts

diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
index 00bed412ee31c..448698fed5f79 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -48,6 +48,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h618-longanpi-3h.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h618-orangepi-zero2w.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h618-orangepi-zero3.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h618-transpeed-8k618-t.dtb
+dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h618-yuzukihd-chameleon.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h700-anbernic-rg35xx-2024.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h700-anbernic-rg35xx-h.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h700-anbernic-rg35xx-plus.dtb
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h618-yuzukihd-chameleon.dts b/arch/arm64/boot/dts/allwinner/sun50i-h618-yuzukihd-chameleon.dts
new file mode 100644
index 0000000000000..c60d42130cf79
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h618-yuzukihd-chameleon.dts
@@ -0,0 +1,222 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2024 Arm Ltd.
+ */
+
+/dts-v1/;
+
+#include "sun50i-h616.dtsi"
+#include "sun50i-h616-cpu-opp.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+ model = "Yuzuki Chameleon";
+ compatible = "yuzukihd,chameleon", "allwinner,sun50i-h618";
+
+ aliases {
+ ethernet1 = &sdio_wifi;
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ reg_vcc5v: vcc5v {
+ /* board wide 5V supply directly from the USB-C socket */
+ compatible = "regulator-fixed";
+ regulator-name = "vcc-5v";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ };
+
+ wifi_pwrseq: pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ clocks = <&rtc CLK_OSC32K_FANOUT>;
+ clock-names = "ext_clock";
+ pinctrl-0 = <&x32clk_fanout_pin>;
+ pinctrl-names = "default";
+ reset-gpios = <&pio 6 11 GPIO_ACTIVE_LOW>; /* PG11 */
+ };
+};
+
+&codec {
+ allwinner,audio-routing = "Line Out", "LINEOUT";
+ status = "okay";
+};
+
+&cpu0 {
+ cpu-supply = <&reg_dcdc2>;
+};
+
+&ehci0 {
+ status = "okay";
+};
+
+&ehci1 {
+ status = "okay";
+};
+
+&ehci2 {
+ status = "okay";
+};
+
+&ehci3 {
+ status = "okay";
+};
+
+&mmc0 {
+ bus-width = <4>;
+ cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
+ disable-wp;
+ vmmc-supply = <&reg_dldo1>;
+ status = "okay";
+};
+
+&mmc1 {
+ bus-width = <4>;
+ mmc-pwrseq = <&wifi_pwrseq>;
+ non-removable;
+ vmmc-supply = <&reg_dldo1>;
+ vqmmc-supply = <&reg_dldo1>;
+ status = "okay";
+
+ sdio_wifi: wifi@1 {
+ reg = <1>;
+ interrupt-parent = <&pio>;
+ interrupts = <6 12 IRQ_TYPE_LEVEL_LOW>; /* PG12 */
+ interrupt-names = "host-wake";
+ };
+};
+
+&mmc2 {
+ bus-width = <8>;
+ cap-mmc-hw-reset;
+ mmc-ddr-3_3v;
+ non-removable;
+ vmmc-supply = <&reg_dldo1>;
+ vqmmc-supply = <&reg_dldo1>;
+ status = "okay";
+};
+
+&ohci0 {
+ status = "okay";
+};
+
+&ohci1 {
+ status = "okay";
+};
+
+&ohci2 {
+ status = "okay";
+};
+
+&ohci3 {
+ status = "okay";
+};
+
+&pio {
+ vcc-pc-supply = <&reg_dldo1>;
+ vcc-pf-supply = <&reg_dldo1>; /* via VCC_IO */
+ vcc-pg-supply = <&reg_dldo1>;
+ vcc-ph-supply = <&reg_dldo1>; /* via VCC_IO */
+ vcc-pi-supply = <&reg_dldo1>;
+};
+
+&r_i2c {
+ status = "okay";
+
+ axp313: pmic@36 {
+ compatible = "x-powers,axp313a";
+ reg = <0x36>;
+ #interrupt-cells = <1>;
+ interrupt-controller;
+ interrupt-parent = <&pio>;
+ interrupts = <2 2 IRQ_TYPE_LEVEL_LOW>; /* PC2 */
+
+ vin1-supply = <&reg_vcc5v>;
+ vin2-supply = <&reg_vcc5v>;
+ vin3-supply = <&reg_vcc5v>;
+
+ regulators {
+ /* Supplies VCC-PLL, so needs to be always on. */
+ reg_aldo1: aldo1 {
+ regulator-always-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vcc1v8";
+ };
+
+ /* Supplies VCC-IO, so needs to be always on. */
+ reg_dldo1: dldo1 {
+ regulator-always-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vcc3v3";
+ };
+
+ reg_dcdc1: dcdc1 {
+ regulator-always-on;
+ regulator-min-microvolt = <810000>;
+ regulator-max-microvolt = <990000>;
+ regulator-name = "vdd-gpu-sys";
+ };
+
+ reg_dcdc2: dcdc2 {
+ regulator-always-on;
+ regulator-min-microvolt = <810000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-name = "vdd-cpu";
+ };
+
+ reg_dcdc3: dcdc3 {
+ regulator-always-on;
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-name = "vdd-dram";
+ };
+ };
+ };
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_ph_pins>;
+ status = "okay";
+};
+
+/* Connected to the Bluetooth UART pins of the XR829 Wifi/BT chip. */
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
+ uart-has-rtscts;
+ status = "okay";
+};
+
+&usbotg {
+ /*
+ * PHY0 pins are connected to a USB-C socket, but a role switch
+ * is not implemented: both CC pins are pulled to GND.
+ * The VBUS pins power the device, so a fixed peripheral mode
+ * is the best choice.
+ * The board can be powered via GPIOs, in this case port0 *can*
+ * act as a host (with a cable/adapter ignoring CC), as VBUS is
+ * then provided by the GPIOs. Any user of this setup would
+ * need to adjust the DT accordingly: dr_mode set to "host",
+ * enabling OHCI0 and EHCI0.
+ */
+ dr_mode = "otg";
+ status = "okay";
+};
+
+&usbphy {
+ usb0_id_det-gpios = <&pio 6 18 GPIO_ACTIVE_HIGH>; /* PG18 */
+ usb0_vbus-supply = <&reg_vcc5v>;
+ usb1_vbus-supply = <&reg_vcc5v>;
+ usb2_vbus-supply = <&reg_vcc5v>;
+ usb3_vbus-supply = <&reg_vcc5v>;
+ status = "okay";
+};
--
2.46.3