[PATCH v2 2/2] arm64: dts: mediatek: Add mt7986 based Bananapi R3 Mini
Daniel Golle
daniel at makrotopia.org
Thu May 9 09:16:09 PDT 2024
On Thu, May 09, 2024 at 05:21:57PM +0200, Frank Wunderlich wrote:
> From: Frank Wunderlich <frank-w at public-files.de>
>
> Add devicetree for Bananapi R3 Mini SBC.
>
> Key features:
> - MediaTek MT7986A(Filogic 830) Quad core ARM Cortex A53
> - Wifi 6 2.4G/5G（MT7976C）
^^ ^^
Those are full-width unicode parentheses.
Consider using normal 7-bit ASCII parentheses instead to keep the
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Unicode vs ASCII
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） 0xff09 vs ) 0x29
> - 2G DDR RAM
> - 8G eMMC flash
> - 128MB Nand flash
> - 2x 2.5GbE network port
> - 1x M.2 Key B USB interface
> - 1x M.2 KEY M PCIe interface
> - 1x USB2.0 interface
>
> source: https://wiki.banana-pi.org/Banana_Pi_BPI-R3_Mini
>
> Co-developed-by: Eric Woudstra <ericwouds at gmail.com>
> Signed-off-by: Eric Woudstra <ericwouds at gmail.com>
> Co-developed-by: Tianling Shen <cnsztl at gmail.com>
> Signed-off-by: Tianling Shen <cnsztl at gmail.com>
> Signed-off-by: Frank Wunderlich <frank-w at public-files.de>
Reviewed-by: Daniel Golle <daniel at makrotopia.org>
> ---
> v2:
> - add missing node for nand
> - add some information about the board in description
>
> change dts based on review from angelo+krzysztof
>
> - drop fan status
> - rename phy14 to phy0 and phy15 to phy1
> - drop default-trigger from phys and so also the binding-patch
> - use regulator names based on regexp regulator-[0-9]+v[0-9]+
> - add comment for pwm
> ---
> arch/arm64/boot/dts/mediatek/Makefile | 1 +
> .../mediatek/mt7986a-bananapi-bpi-r3-mini.dts | 493 ++++++++++++++++++
> 2 files changed, 494 insertions(+)
> create mode 100644 arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-mini.dts
>
> diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
> index 37b4ca3a87c9..1763b001ab06 100644
> --- a/arch/arm64/boot/dts/mediatek/Makefile
> +++ b/arch/arm64/boot/dts/mediatek/Makefile
> @@ -11,6 +11,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt7622-bananapi-bpi-r64.dtb
> dtb-$(CONFIG_ARCH_MEDIATEK) += mt7981b-xiaomi-ax3000t.dtb
> dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-acelink-ew-7886cax.dtb
> dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3.dtb
> +dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-mini.dtb
> dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-emmc.dtbo
> dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-nand.dtbo
> dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-nor.dtbo
> diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-mini.dts b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-mini.dts
> new file mode 100644
> index 000000000000..e2a2fea7adf0
> --- /dev/null
> +++ b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-mini.dts
> @@ -0,0 +1,493 @@
> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> +/*
> + * Copyright (C) 2021 MediaTek Inc.
> + * Authors: Frank Wunderlich <frank-w at public-files.de>
> + * Eric Woudstra <ericwouds at gmail.com>
> + * Tianling Shen <cnsztl at immortalwrt.org>
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/leds/common.h>
> +#include <dt-bindings/pinctrl/mt65xx.h>
> +
> +#include "mt7986a.dtsi"
> +
> +/ {
> + model = "Bananapi BPI-R3 Mini";
> + chassis-type = "embedded";
> + compatible = "bananapi,bpi-r3mini", "mediatek,mt7986a";
> +
> + aliases {
> + serial0 = &uart0;
> + ethernet0 = &gmac0;
> + ethernet1 = &gmac1;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + dcin: regulator-12v {
> + compatible = "regulator-fixed";
> + regulator-name = "12vd";
> + regulator-min-microvolt = <12000000>;
> + regulator-max-microvolt = <12000000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + fan: pwm-fan {
> + compatible = "pwm-fan";
> + #cooling-cells = <2>;
> + /*
> + * The signal is inverted on this board and the PWM driver
> + * does not support polarity inversion.
> + */
> + /* cooling level (0, 1, 2) */
> + cooling-levels = <255 96 0>;
> + pwms = <&pwm 0 10000>;
> + };
> +
> + reg_1p8v: regulator-1v8 {
> + compatible = "regulator-fixed";
> + regulator-name = "1.8vd";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-boot-on;
> + regulator-always-on;
> + vin-supply = <&dcin>;
> + };
> +
> + reg_3p3v: regulator-3v3 {
> + compatible = "regulator-fixed";
> + regulator-name = "3.3vd";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + vin-supply = <&dcin>;
> + };
> +
> + usb_vbus: regulator-5v {
> + compatible = "regulator-fixed";
> + regulator-name = "usb_vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpios = <&pio 20 GPIO_ACTIVE_LOW>;
> + regulator-boot-on;
> + };
> +
> + en8811_a: regulator-phy1 {
> + compatible = "regulator-fixed";
> + regulator-name = "phy1";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + gpio = <&pio 16 GPIO_ACTIVE_LOW>;
> + regulator-always-on;
> + };
> +
> + en8811_b: regulator-phy2 {
> + compatible = "regulator-fixed";
> + regulator-name = "phy2";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + gpio = <&pio 17 GPIO_ACTIVE_LOW>;
> + regulator-always-on;
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + green_led: led-0 {
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_POWER;
> + gpios = <&pio 19 GPIO_ACTIVE_HIGH>;
> + default-state = "on";
> + };
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> +
> + reset-key {
> + label = "reset";
> + linux,code = <KEY_RESTART>;
> + gpios = <&pio 7 GPIO_ACTIVE_LOW>;
> + };
> + };
> +
> +};
> +
> +&cpu_thermal {
> + cooling-maps {
> + map0 {
> + /* active: set fan to cooling level 2 */
> + cooling-device = <&fan 2 2>;
> + trip = <&cpu_trip_active_high>;
> + };
> +
> + map1 {
> + /* active: set fan to cooling level 1 */
> + cooling-device = <&fan 1 1>;
> + trip = <&cpu_trip_active_med>;
> + };
> +
> + map2 {
> + /* active: set fan to cooling level 0 */
> + cooling-device = <&fan 0 0>;
> + trip = <&cpu_trip_active_low>;
> + };
> + };
> +};
> +
> +&crypto {
> + status = "okay";
> +};
> +
> +ð {
> + status = "okay";
> +
> + gmac0: mac at 0 {
> + compatible = "mediatek,eth-mac";
> + reg = <0>;
> + phy-mode = "2500base-x";
> + phy-handle = <&phy0>;
> + };
> +
> + gmac1: mac at 1 {
> + compatible = "mediatek,eth-mac";
> + reg = <1>;
> + phy-mode = "2500base-x";
> + phy-handle = <&phy1>;
> + };
> +
> + mdio: mdio-bus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +};
> +
> +&mmc0 {
> + pinctrl-names = "default", "state_uhs";
> + pinctrl-0 = <&mmc0_pins_default>;
> + pinctrl-1 = <&mmc0_pins_uhs>;
> + vmmc-supply = <®_3p3v>;
> + vqmmc-supply = <®_1p8v>;
> +};
> +
> +
> +&i2c0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2c_pins>;
> + status = "okay";
> +
> + /* MAC Address EEPROM */
> + eeprom at 50 {
> + compatible = "atmel,24c02";
> + reg = <0x50>;
> +
> + address-width = <8>;
> + pagesize = <8>;
> + size = <256>;
> + };
> +};
> +
> +&mdio {
> + phy0: ethernet-phy at 14 {
> + reg = <14>;
> + interrupts-extended = <&pio 48 IRQ_TYPE_EDGE_FALLING>;
> + reset-gpios = <&pio 49 GPIO_ACTIVE_LOW>;
> + reset-assert-us = <10000>;
> + reset-deassert-us = <20000>;
> + phy-mode = "2500base-x";
> + full-duplex;
> + pause;
> + airoha,pnswap-rx;
> +
> + leds {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + led at 0 { /* en8811_a_gpio5 */
> + reg = <0>;
> + color = <LED_COLOR_ID_YELLOW>;
> + function = LED_FUNCTION_LAN;
> + function-enumerator = <1>;
> + default-state = "keep";
> + };
> + led at 1 { /* en8811_a_gpio4 */
> + reg = <1>;
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_LAN;
> + function-enumerator = <2>;
> + default-state = "keep";
> + };
> + };
> + };
> +
> + phy1: ethernet-phy at 15 {
> + reg = <15>;
> + interrupts-extended = <&pio 46 IRQ_TYPE_EDGE_FALLING>;
> + reset-gpios = <&pio 47 GPIO_ACTIVE_LOW>;
> + reset-assert-us = <10000>;
> + reset-deassert-us = <20000>;
> + phy-mode = "2500base-x";
> + full-duplex;
> + pause;
> + airoha,pnswap-rx;
> +
> + leds {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + led at 0 { /* en8811_b_gpio5 */
> + reg = <0>;
> + color = <LED_COLOR_ID_YELLOW>;
> + function = LED_FUNCTION_WAN;
> + function-enumerator = <1>;
> + default-state = "keep";
> + };
> + led at 1 { /* en8811_b_gpio4 */
> + reg = <1>;
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_WAN;
> + function-enumerator = <2>;
> + default-state = "keep";
> + };
> + };
> + };
> +};
> +
> +&pcie {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pcie_pins>;
> + status = "okay";
> +};
> +
> +&pcie_phy {
> + status = "okay";
> +};
> +
> +&pio {
> + i2c_pins: i2c-pins {
> + mux {
> + function = "i2c";
> + groups = "i2c";
> + };
> + };
> +
> + mmc0_pins_default: mmc0-pins {
> + mux {
> + function = "emmc";
> + groups = "emmc_51";
> + };
> + conf-cmd-dat {
> + pins = "EMMC_DATA_0", "EMMC_DATA_1", "EMMC_DATA_2",
> + "EMMC_DATA_3", "EMMC_DATA_4", "EMMC_DATA_5",
> + "EMMC_DATA_6", "EMMC_DATA_7", "EMMC_CMD";
> + input-enable;
> + drive-strength = <4>;
> + bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
> + };
> + conf-clk {
> + pins = "EMMC_CK";
> + drive-strength = <6>;
> + bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
> + };
> + conf-ds {
> + pins = "EMMC_DSL";
> + bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
> + };
> + conf-rst {
> + pins = "EMMC_RSTB";
> + drive-strength = <4>;
> + bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
> + };
> + };
> +
> + mmc0_pins_uhs: mmc0-uhs-pins {
> + mux {
> + function = "emmc";
> + groups = "emmc_51";
> + };
> + conf-cmd-dat {
> + pins = "EMMC_DATA_0", "EMMC_DATA_1", "EMMC_DATA_2",
> + "EMMC_DATA_3", "EMMC_DATA_4", "EMMC_DATA_5",
> + "EMMC_DATA_6", "EMMC_DATA_7", "EMMC_CMD";
> + input-enable;
> + drive-strength = <4>;
> + bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
> + };
> + conf-clk {
> + pins = "EMMC_CK";
> + drive-strength = <6>;
> + bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
> + };
> + conf-ds {
> + pins = "EMMC_DSL";
> + bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
> + };
> + conf-rst {
> + pins = "EMMC_RSTB";
> + drive-strength = <4>;
> + bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
> + };
> + };
> +
> + pcie_pins: pcie-pins {
> + mux {
> + function = "pcie";
> + groups = "pcie_clk", "pcie_wake", "pcie_pereset";
> + };
> + };
> +
> + pwm_pins: pwm-pins {
> + mux {
> + function = "pwm";
> + groups = "pwm0";
> + };
> + };
> +
> + spi_flash_pins: spi-flash-pins {
> + mux {
> + function = "spi";
> + groups = "spi0", "spi0_wp_hold";
> + };
> + };
> +
> + usb_ngff_pins: usb-ngff-pins {
> + ngff-gnss-off-conf {
> + pins = "GPIO_6";
> + drive-strength = <8>;
> + mediatek,pull-up-adv = <1>;
> + };
> + ngff-pe-rst-conf {
> + pins = "GPIO_7";
> + drive-strength = <8>;
> + mediatek,pull-up-adv = <1>;
> + };
> + ngff-wwan-off-conf {
> + pins = "GPIO_8";
> + drive-strength = <8>;
> + mediatek,pull-up-adv = <1>;
> + };
> + ngff-pwr-off-conf {
> + pins = "GPIO_9";
> + drive-strength = <8>;
> + mediatek,pull-up-adv = <1>;
> + };
> + ngff-rst-conf {
> + pins = "GPIO_10";
> + drive-strength = <8>;
> + mediatek,pull-up-adv = <1>;
> + };
> + ngff-coex-conf {
> + pins = "SPI1_CS";
> + drive-strength = <8>;
> + mediatek,pull-up-adv = <1>;
> + };
> + };
> +
> + wf_2g_5g_pins: wf-2g-5g-pins {
> + mux {
> + function = "wifi";
> + groups = "wf_2g", "wf_5g";
> + };
> + conf {
> + pins = "WF0_HB1", "WF0_HB2", "WF0_HB3", "WF0_HB4",
> + "WF0_HB0", "WF0_HB0_B", "WF0_HB5", "WF0_HB6",
> + "WF0_HB7", "WF0_HB8", "WF0_HB9", "WF0_HB10",
> + "WF0_TOP_CLK", "WF0_TOP_DATA", "WF1_HB1",
> + "WF1_HB2", "WF1_HB3", "WF1_HB4", "WF1_HB0",
> + "WF1_HB5", "WF1_HB6", "WF1_HB7", "WF1_HB8",
> + "WF1_TOP_CLK", "WF1_TOP_DATA";
> + drive-strength = <4>;
> + };
> + };
> +
> + wf_dbdc_pins: wf-dbdc-pins {
> + mux {
> + function = "wifi";
> + groups = "wf_dbdc";
> + };
> + conf {
> + pins = "WF0_HB1", "WF0_HB2", "WF0_HB3", "WF0_HB4",
> + "WF0_HB0", "WF0_HB0_B", "WF0_HB5", "WF0_HB6",
> + "WF0_HB7", "WF0_HB8", "WF0_HB9", "WF0_HB10",
> + "WF0_TOP_CLK", "WF0_TOP_DATA", "WF1_HB1",
> + "WF1_HB2", "WF1_HB3", "WF1_HB4", "WF1_HB0",
> + "WF1_HB5", "WF1_HB6", "WF1_HB7", "WF1_HB8",
> + "WF1_TOP_CLK", "WF1_TOP_DATA";
> + drive-strength = <4>;
> + };
> + };
> +
> + wf_led_pins: wf-led-pins {
> + mux {
> + function = "led";
> + groups = "wifi_led";
> + };
> + };
> +};
> +
> +&pwm {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pwm_pins>;
> + status = "okay";
> +};
> +
> +&spi0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&spi_flash_pins>;
> + status = "okay";
> +
> + flash at 0 {
> + compatible = "spi-nand";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + reg = <0>;
> +
> + spi-max-frequency = <20000000>;
> + spi-tx-bus-width = <4>;
> + spi-rx-bus-width = <4>;
> + };
> +};
> +
> +&ssusb {
> + pinctrl-names = "default";
> + pinctrl-0 = <&usb_ngff_pins>;
> + vusb33-supply = <®_3p3v>;
> + vbus-supply = <&usb_vbus>;
> + status = "okay";
> +};
> +
> +&trng {
> + status = "okay";
> +};
> +
> +&uart0 {
> + status = "okay";
> +};
> +
> +&usb_phy {
> + status = "okay";
> +};
> +
> +&watchdog {
> + status = "okay";
> +};
> +
> +&wifi {
> + status = "okay";
> + pinctrl-names = "default", "dbdc";
> + pinctrl-0 = <&wf_2g_5g_pins>, <&wf_led_pins>;
> + pinctrl-1 = <&wf_dbdc_pins>, <&wf_led_pins>;
> +
> + led {
> + led-active-low;
> + };
> +};
> +
> --
> 2.34.1
>
>
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