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Message-Id: <20240602104021.387713-2-amadeus@jmu.edu.cn>
Date: Sun, 2 Jun 2024 18:40:21 +0800
From: Chukun Pan <amadeus@....edu.cn>
To: Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Rob Herring <robh@...nel.org>,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org,
linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org,
Chukun Pan <amadeus@....edu.cn>
Subject: [PATCH 2/2] arm64: dts: mediatek: Add Bananapi BPI-R3 mini
The Bananapi BPI-R3 mini is a development board with the
MediaTek MT7986A (Filogic 830) SoC.
Key Features:
2GB DDR4 RAM
8GB eMMC flash
128MB Nand flash
MT7976C DBDC WiFi
1x FAN connector
1x NANO SIM slot
1x USB2.0 Type-A
1x M.2 Key B USB
1x M.2 Key M PCIe
2x 2.5GbE EN8811H Ethernet
Type-C PD 12V Power supply
Signed-off-by: Chukun Pan <amadeus@....edu.cn>
---
arch/arm64/boot/dts/mediatek/Makefile | 1 +
.../mediatek/mt7986a-bananapi-bpi-r3-mini.dts | 480 ++++++++++++++++++
2 files changed, 481 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..14af5681d0ee 100644
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -12,6 +12,7 @@ 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-emmc.dtbo
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-mini.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-nand.dtbo
dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-nor.dtbo
dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-sd.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..683b7394ff79
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-mini.dts
@@ -0,0 +1,480 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+/dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+
+#include "mt7986a.dtsi"
+
+/ {
+ model = "Bananapi BPI-R3 mini";
+ chassis-type = "embedded";
+ compatible = "bananapi,bpi-r3-mini", "mediatek,mt7986a";
+
+ aliases {
+ serial0 = &uart0;
+ ethernet0 = &gmac0;
+ ethernet1 = &gmac1;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ keys {
+ compatible = "gpio-keys";
+
+ key-reset {
+ label = "reset";
+ linux,code = <KEY_RESTART>;
+ gpios = <&pio 7 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led-0 {
+ function = LED_FUNCTION_STATUS;
+ color = <LED_COLOR_ID_GREEN>;
+ gpios = <&pio 19 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ };
+ };
+
+ fan: pwm-fan {
+ compatible = "pwm-fan";
+ /* cooling level (0, 1, 2, 3) - pwm inverted */
+ cooling-levels = <255 128 64 0>;
+ pwms = <&pwm 0 10000>;
+ #cooling-cells = <2>;
+ };
+
+ rfkill {
+ compatible = "rfkill-gpio";
+ label = "rfkill-modem";
+ radio-type = "wwan";
+ reset-gpios = <&pio 15 GPIO_ACTIVE_HIGH>;
+ shutdown-gpios = <&pio 13 GPIO_ACTIVE_HIGH>;
+ };
+
+ dcin: regulator-12vd {
+ compatible = "regulator-fixed";
+ regulator-name = "12vd";
+ regulator-min-microvolt = <12000000>;
+ regulator-max-microvolt = <12000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_1p8v: regulator-1p8v {
+ 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-3p3v {
+ compatible = "regulator-fixed";
+ regulator-name = "3.3vd";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ vin-supply = <&dcin>;
+ };
+
+ reg_5v_vbus: regulator-5v-vbus {
+ compatible = "regulator-fixed";
+ regulator-name = "5v_vbus1";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ vin-supply = <&dcin>;
+ };
+
+ /* labeled A_EN8811_PWR in schematic */
+ reg_phya: regulator-phya {
+ compatible = "regulator-fixed";
+ gpio = <&pio 16 GPIO_ACTIVE_LOW>;
+ regulator-name = "reg_phya";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ /* labeled B_EN8811_PWR in schematic */
+ reg_phyb: regulator-phyb {
+ compatible = "regulator-fixed";
+ gpio = <&pio 17 GPIO_ACTIVE_LOW>;
+ regulator-name = "reg_phyb";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ vcc_keyb: regulator-vcc-keyb {
+ compatible = "regulator-fixed";
+ gpio = <&pio 20 GPIO_ACTIVE_LOW>;
+ regulator-name = "vcc_keyb";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <®_3p3v>;
+ };
+};
+
+&cpu_thermal {
+ cooling-maps {
+ map-cpu-active-high {
+ /* active: set fan to cooling level 3 */
+ cooling-device = <&fan 3 3>;
+ trip = <&cpu_trip_active_high>;
+ };
+
+ map-cpu-active-med {
+ /* active: set fan to cooling level 2 */
+ cooling-device = <&fan 2 2>;
+ trip = <&cpu_trip_active_med>;
+ };
+
+ map-cpu-active-low {
+ /* active: set fan to cooling level 1 */
+ cooling-device = <&fan 1 1>;
+ trip = <&cpu_trip_active_low>;
+ };
+ };
+};
+
+&crypto {
+ status = "okay";
+};
+
+ð {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mdio_pins>;
+ status = "okay";
+
+ gmac0: mac@0 {
+ compatible = "mediatek,eth-mac";
+ reg = <0>;
+ phy-mode = "2500base-x";
+ phy-handle = <&phy14>;
+ phy-supply = <®_phya>;
+ };
+
+ gmac1: mac@1 {
+ compatible = "mediatek,eth-mac";
+ reg = <1>;
+ phy-mode = "2500base-x";
+ phy-handle = <&phy15>;
+ phy-supply = <®_phyb>;
+ };
+
+ mdio: mdio-bus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+};
+
+&mdio {
+ phy14: phy@14 {
+ compatible = "ethernet-phy-ieee802.3-c45";
+ reg = <14>;
+ reset-assert-us = <10000>;
+ reset-deassert-us = <20000>;
+ reset-gpios = <&pio 49 GPIO_ACTIVE_LOW>;
+ interrupt-parent = <&pio>;
+ interrupts = <48 IRQ_TYPE_EDGE_FALLING>;
+ airoha,pnswap-rx;
+
+ leds {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ led@0 {
+ reg = <0>;
+ function = LED_FUNCTION_LAN;
+ color = <LED_COLOR_ID_AMBER>;
+ default-state = "keep";
+ };
+
+ led@1 {
+ reg = <1>;
+ function = LED_FUNCTION_LAN;
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "keep";
+ };
+ };
+ };
+
+ phy15: phy@15 {
+ compatible = "ethernet-phy-ieee802.3-c45";
+ reg = <15>;
+ reset-assert-us = <10000>;
+ reset-deassert-us = <20000>;
+ reset-gpios = <&pio 47 GPIO_ACTIVE_LOW>;
+ interrupt-parent = <&pio>;
+ interrupts = <46 IRQ_TYPE_EDGE_FALLING>;
+ airoha,pnswap-rx;
+
+ leds {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ led@0 {
+ reg = <0>;
+ function = LED_FUNCTION_WAN;
+ color = <LED_COLOR_ID_AMBER>;
+ default-state = "keep";
+ };
+
+ led@1 {
+ reg = <1>;
+ function = LED_FUNCTION_WAN;
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "keep";
+ };
+ };
+ };
+};
+
+&i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_pins>;
+ status = "okay";
+
+ eeprom@50 {
+ compatible = "atmel,24c02";
+ reg = <0x50>;
+ pagesize = <8>;
+ size = <256>;
+ };
+};
+
+&spi0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi_flash_pins>;
+ status = "okay";
+
+ spi_nand: flash@0 {
+ compatible = "spi-nand";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0>;
+
+ spi-max-frequency = <52000000>;
+ spi-rx-bus-width = <4>;
+ spi-tx-bus-width = <4>;
+ };
+};
+
+&mmc0 {
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ hs400-ds-delay = <0x14014>;
+ max-frequency = <200000000>;
+ mmc-hs200-1_8v;
+ mmc-hs400-1_8v;
+ non-removable;
+ no-sd;
+ no-sdio;
+ pinctrl-names = "default", "state_uhs";
+ pinctrl-0 = <&mmc0_pins_default>;
+ pinctrl-1 = <&mmc0_pins_uhs>;
+ vmmc-supply = <®_3p3v>;
+ vqmmc-supply = <®_1p8v>;
+ status = "okay";
+};
+
+&pcie {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie_pins>;
+ status = "okay";
+};
+
+&pcie_phy {
+ status = "okay";
+};
+
+&pio {
+ i2c0_pins: i2c0-pins {
+ mux {
+ function = "i2c";
+ groups = "i2c";
+ };
+ };
+
+ mdio_pins: mdio-pins {
+ mux {
+ function = "eth";
+ groups = "mdc_mdio";
+ };
+ };
+
+ spi_flash_pins: spi-flash-pins {
+ mux {
+ function = "spi";
+ groups = "spi0", "spi0_wp_hold";
+ };
+ conf-pu {
+ pins = "SPI2_CS", "SPI2_HOLD", "SPI2_WP";
+ drive-strength = <8>;
+ mediatek,pull-up-adv = <0>; /* bias-disable */
+ };
+ conf-pd {
+ pins = "SPI2_CLK", "SPI2_MOSI", "SPI2_MISO";
+ drive-strength = <8>;
+ mediatek,pull-down-adv = <0>; /* bias-disable */
+ };
+ };
+
+ 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>;
+ mediatek,pull-up-adv = <1>; /* pull-up 10K */
+ };
+ conf-clk {
+ pins = "EMMC_CK";
+ drive-strength = <6>;
+ mediatek,pull-down-adv = <2>; /* pull-down 50K */
+ };
+ conf-ds {
+ pins = "EMMC_DSL";
+ mediatek,pull-down-adv = <2>; /* pull-down 50K */
+ };
+ conf-rst {
+ pins = "EMMC_RSTB";
+ drive-strength = <4>;
+ mediatek,pull-up-adv = <1>; /* 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>;
+ mediatek,pull-up-adv = <1>; /* pull-up 10K */
+ };
+ conf-clk {
+ pins = "EMMC_CK";
+ drive-strength = <6>;
+ mediatek,pull-down-adv = <2>; /* pull-down 50K */
+ };
+ conf-ds {
+ pins = "EMMC_DSL";
+ mediatek,pull-down-adv = <2>; /* pull-down 50K */
+ };
+ conf-rst {
+ pins = "EMMC_RSTB";
+ drive-strength = <4>;
+ mediatek,pull-up-adv = <1>; /* 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", "pwm1_0";
+ };
+ };
+
+ uart1_pins: uart1-pins {
+ mux {
+ function = "uart";
+ groups = "uart1";
+ };
+ };
+
+ wf_led_pins: wf-led-pins {
+ mux {
+ function = "led";
+ groups = "wifi_led";
+ };
+ };
+
+ 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>;
+ };
+ };
+};
+
+&pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm_pins>;
+ status = "okay";
+};
+
+&ssusb {
+ vusb33-supply = <&vcc_keyb>;
+ vbus-supply = <®_5v_vbus>;
+ status = "okay";
+};
+
+&trng {
+ status = "okay";
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins>;
+ status = "okay";
+};
+
+&usb_phy {
+ status = "okay";
+};
+
+&watchdog {
+ status = "okay";
+};
+
+&wifi {
+ pinctrl-names = "dbdc";
+ pinctrl-0 = <&wf_dbdc_pins>, <&wf_led_pins>;
+ status = "okay";
+};
--
2.25.1
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