"D1 Nezha" is Allwinner's first-party development board for the D1 SoC.
It was shipped with 512M, 1G, or 2G of DDR3. It supports onboard audio,
HDMI, gigabit Ethernet, WiFi and Bluetooth, USB 2.0 host and OTG ports,
plus low-speed I/O from the SoC and a GPIO expander chip.
Acked-by: Jernej Skrabec <[email protected]>
Acked-by: Palmer Dabbelt <[email protected]>
Reviewed-by: Guo Ren <[email protected]>
Reviewed-by: Heiko Stuebner <[email protected]>
Tested-by: Conor Dooley <[email protected]>
Tested-by: Heiko Stuebner <[email protected]>
Signed-off-by: Samuel Holland <[email protected]>
---
Changes in v3:
- Drop mmc alias
Changes in v2:
- Common regulators moved to MangoPi MQ patch, removed analog LDOs
- Removed LRADC (depends on analog LDOs)
- Added XR829 host-wake interrupt
arch/riscv/boot/dts/allwinner/Makefile | 1 +
.../boot/dts/allwinner/sun20i-d1-nezha.dts | 166 ++++++++++++++++++
2 files changed, 167 insertions(+)
create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts
diff --git a/arch/riscv/boot/dts/allwinner/Makefile b/arch/riscv/boot/dts/allwinner/Makefile
index 2f2792594f7d..277e59d1c907 100644
--- a/arch/riscv/boot/dts/allwinner/Makefile
+++ b/arch/riscv/boot/dts/allwinner/Makefile
@@ -1,2 +1,3 @@
# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_SUNXI) += sun20i-d1-nezha.dtb
dtb-$(CONFIG_ARCH_SUNXI) += sun20i-d1s-mangopi-mq.dtb
diff --git a/arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts b/arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts
new file mode 100644
index 000000000000..a0769185be97
--- /dev/null
+++ b/arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts
@@ -0,0 +1,166 @@
+// SPDX-License-Identifier: (GPL-2.0+ or MIT)
+// Copyright (C) 2021-2022 Samuel Holland <[email protected]>
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/dts-v1/;
+
+#include "sun20i-d1.dtsi"
+#include "sun20i-common-regulators.dtsi"
+
+/ {
+ model = "Allwinner D1 Nezha";
+ compatible = "allwinner,d1-nezha", "allwinner,sun20i-d1";
+
+ aliases {
+ ethernet0 = &emac;
+ ethernet1 = &xr829;
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ reg_usbvbus: usbvbus {
+ compatible = "regulator-fixed";
+ regulator-name = "usbvbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ gpio = <&pio 3 19 GPIO_ACTIVE_HIGH>; /* PD19 */
+ enable-active-high;
+ vin-supply = <®_vcc>;
+ };
+
+ /*
+ * This regulator is PWM-controlled, but the PWM controller is not
+ * yet supported, so fix the regulator to its default voltage.
+ */
+ reg_vdd_cpu: vdd-cpu {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd-cpu";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1100000>;
+ vin-supply = <®_vcc>;
+ };
+
+ wifi_pwrseq: wifi-pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ reset-gpios = <&pio 6 12 GPIO_ACTIVE_LOW>; /* PG12 */
+ };
+};
+
+&cpu0 {
+ cpu-supply = <®_vdd_cpu>;
+};
+
+&dcxo {
+ clock-frequency = <24000000>;
+};
+
+&ehci0 {
+ status = "okay";
+};
+
+&ehci1 {
+ status = "okay";
+};
+
+&emac {
+ pinctrl-0 = <&rgmii_pe_pins>;
+ pinctrl-names = "default";
+ phy-handle = <&ext_rgmii_phy>;
+ phy-mode = "rgmii-id";
+ phy-supply = <®_vcc_3v3>;
+ status = "okay";
+};
+
+&i2c2 {
+ pinctrl-0 = <&i2c2_pb0_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ pcf8574a: gpio@38 {
+ compatible = "nxp,pcf8574a";
+ reg = <0x38>;
+ interrupt-parent = <&pio>;
+ interrupts = <1 2 IRQ_TYPE_LEVEL_LOW>; /* PB2 */
+ interrupt-controller;
+ gpio-controller;
+ #gpio-cells = <2>;
+ #interrupt-cells = <2>;
+ };
+};
+
+&mdio {
+ ext_rgmii_phy: ethernet-phy@1 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <1>;
+ };
+};
+
+&mmc0 {
+ bus-width = <4>;
+ cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
+ disable-wp;
+ vmmc-supply = <®_vcc_3v3>;
+ vqmmc-supply = <®_vcc_3v3>;
+ pinctrl-0 = <&mmc0_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&mmc1 {
+ bus-width = <4>;
+ mmc-pwrseq = <&wifi_pwrseq>;
+ non-removable;
+ vmmc-supply = <®_vcc_3v3>;
+ vqmmc-supply = <®_vcc_3v3>;
+ pinctrl-0 = <&mmc1_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ xr829: wifi@1 {
+ reg = <1>;
+ interrupt-parent = <&pio>;
+ interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 */
+ interrupt-names = "host-wake";
+ };
+};
+
+&ohci0 {
+ status = "okay";
+};
+
+&ohci1 {
+ status = "okay";
+};
+
+&uart0 {
+ pinctrl-0 = <&uart0_pb8_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&uart1 {
+ uart-has-rtscts;
+ pinctrl-0 = <&uart1_pg6_pins>, <&uart1_pg8_rts_cts_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ /* XR829 bluetooth is connected here */
+};
+
+&usb_otg {
+ dr_mode = "otg";
+ status = "okay";
+};
+
+&usbphy {
+ usb0_id_det-gpios = <&pio 3 21 GPIO_ACTIVE_HIGH>; /* PD21 */
+ usb0_vbus_det-gpios = <&pio 3 20 GPIO_ACTIVE_HIGH>; /* PD20 */
+ usb0_vbus-supply = <®_usbvbus>;
+ usb1_vbus-supply = <®_vcc>;
+ status = "okay";
+};
--
2.37.4