From 88ea69891451be38c3cf78aa36090b49ca533da1 Mon Sep 17 00:00:00 2001 From: Samuel Holland Date: Wed, 25 Jan 2023 22:57:33 -0600 Subject: [PATCH] riscv: dts: allwinner: Add Allwinner D1 Nezha devicetree "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 Acked-by: Palmer Dabbelt Reviewed-by: Guo Ren Reviewed-by: Heiko Stuebner Tested-by: Conor Dooley Tested-by: Heiko Stuebner Signed-off-by: Samuel Holland Acked-by: Conor Dooley Link: https://lore.kernel.org/r/20230126045738.47903-7-samuel@sholland.org Signed-off-by: Jernej Skrabec --- arch/riscv/boot/dts/allwinner/Makefile | 1 + arch/riscv/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 2f27925..277e59d 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 0000000..a076918 --- /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 + +#include +#include + +/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"; +}; -- 2.7.4