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Message-ID: <CAGb2v6559Bw7ZMWoNfhTHFUYQHPjgmrTMFsF_+vi0BE617pGHw@mail.gmail.com>
Date: Thu, 6 Feb 2025 00:29:42 +0800
From: Chen-Yu Tsai <wens@...e.org>
To: Lukas Schmid <lukas.schmid@...cube.li>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Jernej Skrabec <jernej.skrabec@...il.com>,
Samuel Holland <samuel@...lland.org>, Maxime Ripard <mripard@...nel.org>, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 4/4] ARM: dts: sunxi: add support for NetCube Systems Kumquat
Hi,
On Wed, Jan 29, 2025 at 4:05 AM Lukas Schmid <lukas.schmid@...cube.li> wrote:
>
> NetCube Systems Kumquat is a board based on the Allwinner V3s SoC,
> including:
>
> - 64MB DDR2 included in SoC
> - 10/100 Mbps Ethernet
> - USB-C DRD
> - Audio Codec
> - Isolated CAN-FD
> - ESP32 over SDIO
> - 8MB SPI-NOR Flash for bootloader
> - I2C EEPROM for MAC addresses
> - SDIO Connector for eMMC or SD-Card
> - 8x 12/24V IOs, 4x normally open relays
> - DS3232 RTC with Battery Backup
> - QWIIC connectors for external I2C devices
>
> Signed-off-by: Lukas Schmid <lukas.schmid@...cube.li>
> ---
> arch/arm/boot/dts/allwinner/Makefile | 2 +
> .../allwinner/sun8i-v3s-netcube-kumquat.dts | 278 ++++++++++++++++++
> 2 files changed, 280 insertions(+)
> create mode 100644 arch/arm/boot/dts/allwinner/sun8i-v3s-netcube-kumquat.dts
>
> diff --git a/arch/arm/boot/dts/allwinner/Makefile b/arch/arm/boot/dts/allwinner/Makefile
> index 48666f73e638..d799ad153b37 100644
> --- a/arch/arm/boot/dts/allwinner/Makefile
> +++ b/arch/arm/boot/dts/allwinner/Makefile
> @@ -199,6 +199,7 @@ DTC_FLAGS_sun8i-h3-nanopi-r1 := -@
> DTC_FLAGS_sun8i-h3-orangepi-pc := -@
> DTC_FLAGS_sun8i-h3-bananapi-m2-plus-v1.2 := -@
> DTC_FLAGS_sun8i-h3-orangepi-pc-plus := -@
> +DTC_FLAGS_sun8i-v3s-netcube-kumquat := -@
> dtb-$(CONFIG_MACH_SUN8I) += \
> sun8i-a23-evb.dtb \
> sun8i-a23-gt90h-v4.dtb \
> @@ -261,6 +262,7 @@ dtb-$(CONFIG_MACH_SUN8I) += \
> sun8i-v3s-anbernic-rg-nano.dtb \
> sun8i-v3s-licheepi-zero.dtb \
> sun8i-v3s-licheepi-zero-dock.dtb \
> + sun8i-v3s-netcube-kumquat.dtb \
> sun8i-v40-bananapi-m2-berry.dtb
> dtb-$(CONFIG_MACH_SUN9I) += \
> sun9i-a80-optimus.dtb \
> diff --git a/arch/arm/boot/dts/allwinner/sun8i-v3s-netcube-kumquat.dts b/arch/arm/boot/dts/allwinner/sun8i-v3s-netcube-kumquat.dts
> new file mode 100644
> index 000000000000..e4e98ddfbd96
> --- /dev/null
> +++ b/arch/arm/boot/dts/allwinner/sun8i-v3s-netcube-kumquat.dts
> @@ -0,0 +1,278 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (C) 2025 Lukas Schmid <lukas.schmid@...cube.li>
> + */
> +
> +/dts-v1/;
> +#include "sun8i-v3s.dtsi"
> +
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/leds/common.h>
> +#include <dt-bindings/gpio/gpio.h>
> +
> +/{
> + model = "NetCube Systems Kumquat";
> + compatible = "netcube,kumquat", "allwinner,sun8i-v3s";
> +
> + aliases {
> + serial0 = &uart0;
> + ethernet0 = &emac;
> + rtc0 = &ds3232;
> + rtc1 = &rtc; /* not battery backed */
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + /* 40 MHz Crystal Oscillator on PCB */
> + clk_can0: clock-can0 {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <40000000>;
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> + autorepeat;
> +
> + key-user {
> + label = "GPIO Key User";
> + linux,code = <KEY_PROG1>;
> + gpios = <&pio 1 2 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PB2 */
> + };
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + led-heartbeat {
> + gpios = <&pio 4 4 GPIO_ACTIVE_HIGH>; /* PE4 */
> + linux,default-trigger = "heartbeat";
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_HEARTBEAT;
> + };
> +
> + led-mmc0-act {
> + gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
> + linux,default-trigger = "mmc0";
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_DISK;
> + };
> + };
> +
> + /* EA3036C Switching 3 Channel Regulator - Channel 2 */
> + reg_vcc3v3: regulator-3v3 {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc3v3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + vin-supply = <®_vcc5v0>;
> + };
> +
> + /* K7805-1000R3 Switching Regulator supplied from main 12/24V terminal block */
> + reg_vcc5v0: regulator-5v0 {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc5v0";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + };
> +};
> +
> +&codec {
> + allwinner,audio-routing =
> + "Headphone", "HP",
> + "Headphone", "HPCOM",
> + "MIC1", "Mic",
> + "Mic", "HBIAS";
> + status = "okay";
> +};
> +
> +&ehci {
> + status = "okay";
> +};
> +
> +&emac {
> + allwinner,leds-active-low;
> + nvmem-cells = <ð0_macaddress>;
> + nvmem-cell-names = "mac-address";
> + status = "okay";
> +};
> +
> +&i2c0 {
> + status = "okay";
> +
> + ds3232: rtc@68 {
Nodes on an addressed bus should be ordered by their address, not
the name of the label.
> + compatible = "dallas,ds3232";
> + reg = <0x68>;
> + };
> +
> + eeprom0: eeprom@50 {
> + compatible = "atmel,24c02"; /* actually it's a 24AA02E48 */
> + reg = <0x50>;
> + pagesize = <16>;
> + read-only;
> + vcc-supply = <®_vcc3v3>;
> +
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + eth0_macaddress: macaddress@fa {
> + reg = <0xfa 0x06>;
> + };
> + };
> +
> + tusb320: typec@60 {
> + compatible = "ti,tusb320";
> + reg = <0x60>;
> + interrupt-parent = <&pio>;
> + interrupts = <1 5 IRQ_TYPE_EDGE_FALLING>;
> + };
> +};
> +
> +/* Exposed as the Flash/SD Header on the board */
> +&mmc0 {
> + vmmc-supply = <®_vcc3v3>;
> + bus-width = <4>;
> + broken-cd;
> + status = "okay";
> +};
> +
> +/* Connected to the on-board ESP32 */
> +&mmc1 {
> + vmmc-supply = <®_vcc3v3>;
> + bus-width = <4>;
> + broken-cd;
> + status = "okay";
> +};
> +
> +&ohci {
> + status = "okay";
> +};
> +
> +/* Disable external 32k osc as it is broken on current revision */
> +&osc32k {
> + status = "disabled";
> +};
> +
> +&pio {
> + vcc-pb-supply = <®_vcc3v3>;
> + vcc-pc-supply = <®_vcc3v3>;
> + vcc-pe-supply = <®_vcc3v3>;
> + vcc-pf-supply = <®_vcc3v3>;
> + vcc-pg-supply = <®_vcc3v3>;
> +
> + gpio-line-names = "", "", "", "", // PA
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "CAN_nCS", "CAN_nINT", "USER_SW", "PB3", // PB
> + "USB_ID", "USBC_nINT", "I2C0_SCL", "I2C0_SDA",
> + "UART0_TX", "UART0_RX", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "SPI_MISO", "SPI_SCK", "FLASH_nCS", "SPI_MOSI", // PC
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "", // PD
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "Q12", "Q11", "Q10", "Q9", // PE
> + "LED_SYS0", "I1", "Q1", "Q2",
> + "I2", "I3", "Q3", "Q4",
> + "I4", "I5", "Q5", "Q6",
> + "I6", "I7", "Q7", "Q8",
> + "I8", "UART1_TXD", "UART1_RXD", "ESP_nRST",
> + "ESP_nBOOT", "", "", "",
> + "", "", "", "",
> + "SD_D1", "SD_D0", "SD_CLK", "SD_CMD", // PF
> + "SD_D3", "SD_D2", "LED_SYS1", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "ESP_CLK", "ESP_CMD", "ESP_D0", "ESP_D1", // PG
> + "ESP_D2", "ESP_D3", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "";
> +};
> +
> +/* Disable external 32k osc as it is broken on current revision */
> +&rtc {
> + /delete-property/ clocks;
> +};
> +
> +/* Exposed as a USB-C connector with USB-Serial converter */
> +&uart0 {
> + pinctrl-0 = <&uart0_pb_pins>;
> + pinctrl-names = "default";
> + status = "okay";
> +};
> +
> +/* Connected to the Bootloader/Console of the ESP32 */
> +&uart1 {
> + pinctrl-0 = <&uart1_pe_pins>;
> + pinctrl-names = "default";
> + status = "okay";
> +};
> +
> +&usb_otg {
> + extcon = <&tusb320 0>;
> + dr_mode = "otg";
> + status = "okay";
> +};
> +
> +&usbphy {
> + usb0_id_det-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
> + status = "okay";
> +};
> +
> +&spi0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + cs-gpios = <0>, <&pio 1 0 GPIO_ACTIVE_LOW>; /* PB0 */
> + status = "okay";
> +
> + flash@0 {
> + compatible = "jedec,spi-nor";
> + reg = <0>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + label = "firmware";
> + spi-max-frequency = <40000000>;
> + };
> +
> + can@1 {
> + compatible = "microchip,mcp2518fd";
> + reg = <1>;
> + clocks = <&clk_can0>;
> + interrupt-parent = <&pio>;
> + interrupts = <1 1 IRQ_TYPE_LEVEL_LOW>; /* PB1 */
Please use interrupts-extended instead.
ChenYu
> + spi-max-frequency = <20000000>;
> + vdd-supply = <®_vcc3v3>;
> + xceiver-supply = <®_vcc3v3>;
> + };
> +};
> --
> 2.39.5
>
>
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