From: Daniel Golle daniel@makrotopia.org
Add board specific devicetree for Bananapi R3 SBC.
Signed-off-by: Daniel Golle daniel@makrotopia.org Signed-off-by: Frank Wunderlich frank-w@public-files.de --- taken from openwrt https://git.openwrt.org/?p=openwrt/openwrt.git;a=blob;f=package/boot/uboot-m... only enabled the factory button which was disabled because a HW-bug in rev 1.0 of r3. --- arch/arm/dts/Makefile | 2 + arch/arm/dts/mt7986a-bpi-r3-emmc.dts | 32 ++++ arch/arm/dts/mt7986a-bpi-r3-sd.dts | 268 +++++++++++++++++++++++++++ 3 files changed, 302 insertions(+) create mode 100644 arch/arm/dts/mt7986a-bpi-r3-emmc.dts create mode 100644 arch/arm/dts/mt7986a-bpi-r3-sd.dts
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 0a9b1f7749d5..de0c0e35b8c3 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -1296,6 +1296,8 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \ mt7981-rfb.dtb \ mt7981-emmc-rfb.dtb \ mt7981-sd-rfb.dtb \ + mt7986a-bpi-r3-sd.dtb \ + mt7986a-bpi-r3-emmc.dtb \ mt7986a-rfb.dtb \ mt7986b-rfb.dtb \ mt7986a-sd-rfb.dtb \ diff --git a/arch/arm/dts/mt7986a-bpi-r3-emmc.dts b/arch/arm/dts/mt7986a-bpi-r3-emmc.dts new file mode 100644 index 000000000000..4e2e5262f536 --- /dev/null +++ b/arch/arm/dts/mt7986a-bpi-r3-emmc.dts @@ -0,0 +1,32 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2021 MediaTek Inc. + * Author: Sam Shih sam.shih@mediatek.com + */ + +/dts-v1/; +#include "mt7986a-bpi-r3-sd.dts" +#include <dt-bindings/gpio/gpio.h> +/ { + reg_1p8v: regulator-1p8v { + compatible = "regulator-fixed"; + regulator-name = "fixed-1.8V"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; +}; + +&mmc0 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_pins_default>; + bus-width = <8>; + max-frequency = <200000000>; + cap-mmc-highspeed; + cap-mmc-hw-reset; + vmmc-supply = <®_3p3v>; + vqmmc-supply = <®_1p8v>; + non-removable; + status = "okay"; +}; diff --git a/arch/arm/dts/mt7986a-bpi-r3-sd.dts b/arch/arm/dts/mt7986a-bpi-r3-sd.dts new file mode 100644 index 000000000000..82a3975c7de8 --- /dev/null +++ b/arch/arm/dts/mt7986a-bpi-r3-sd.dts @@ -0,0 +1,268 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2021 MediaTek Inc. + * Author: Sam Shih sam.shih@mediatek.com + */ + +/dts-v1/; +#include "mt7986.dtsi" +#include <dt-bindings/gpio/gpio.h> + +/ { + #address-cells = <1>; + #size-cells = <1>; + model = "BananaPi BPi-R3"; + compatible = "mediatek,mt7986", "mediatek,mt7986-sd-rfb"; + + chosen { + stdout-path = &uart0; + tick-timer = &timer0; + }; + + reg_3p3v: regulator-3p3v { + compatible = "regulator-fixed"; + regulator-name = "fixed-3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + keys { + compatible = "gpio-keys"; + + factory { + label = "reset"; + gpios = <&gpio 9 GPIO_ACTIVE_LOW>; + }; + + wps { + label = "reset"; + gpios = <&gpio 10 GPIO_ACTIVE_LOW>; + }; + }; + + leds { + compatible = "gpio-leds"; + + led_status_green: green { + label = "green:status"; + gpios = <&gpio 69 GPIO_ACTIVE_HIGH>; + }; + + led_status_blue: blue { + label = "blue:status"; + gpios = <&gpio 86 GPIO_ACTIVE_HIGH>; + }; + }; + +}; + +&uart0 { + status = "okay"; +}; + +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_pins>; + status = "disabled"; +}; + +ð { + status = "okay"; + mediatek,gmac-id = <0>; + phy-mode = "sgmii"; + mediatek,switch = "mt7531"; + reset-gpios = <&gpio 5 GPIO_ACTIVE_HIGH>; + + fixed-link { + speed = <1000>; + full-duplex; + }; +}; + +&pinctrl { + spic_pins: spi1-pins-func-1 { + mux { + function = "spi"; + groups = "spi1_2"; + }; + }; + + uart1_pins: spi1-pins-func-3 { + mux { + function = "uart"; + groups = "uart1_2"; + }; + }; + + pwm_pins: pwm0-pins-func-1 { + mux { + function = "pwm"; + groups = "pwm0"; + }; + }; + + mmc0_pins_default: mmc0default { + mux { + function = "flash"; + 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 = <MTK_DRIVE_4mA>; + bias-pull-up = <MTK_PUPD_SET_R1R0_01>; + }; + + conf-clk { + pins = "EMMC_CK"; + drive-strength = <MTK_DRIVE_6mA>; + bias-pull-down = <MTK_PUPD_SET_R1R0_10>; + }; + + conf-dsl { + pins = "EMMC_DSL"; + bias-pull-down = <MTK_PUPD_SET_R1R0_10>; + }; + + conf-rst { + pins = "EMMC_RSTB"; + drive-strength = <MTK_DRIVE_4mA>; + bias-pull-up = <MTK_PUPD_SET_R1R0_01>; + }; + }; + + spi_flash_pins: spi0-pins-func-1 { + mux { + function = "flash"; + groups = "spi0", "spi0_wp_hold"; + }; + + conf-pu { + pins = "SPI2_CS", "SPI2_HOLD", "SPI2_WP"; + drive-strength = <MTK_DRIVE_8mA>; + bias-pull-up = <MTK_PUPD_SET_R1R0_00>; + }; + + conf-pd { + pins = "SPI2_CLK", "SPI2_MOSI", "SPI2_MISO"; + drive-strength = <MTK_DRIVE_8mA>; + bias-pull-down = <MTK_PUPD_SET_R1R0_00>; + }; + }; +}; + +&pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pwm_pins>; + status = "okay"; +}; + +&spi0 { + #address-cells = <1>; + #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&spi_flash_pins>; + status = "okay"; + must_tx; + enhance_timing; + dma_ext; + ipm_design; + support_quad; + tick_dly = <1>; + sample_sel = <0>; + + spi_nor@0 { + compatible = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <52000000>; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "bl2"; + reg = <0x0 0x40000>; + }; + + partition@40000 { + label = "u-boot-env"; + reg = <0x40000 0x40000>; + }; + + partition@80000 { + label = "reserved"; + reg = <0x80000 0x80000>; + }; + + partition@100000 { + label = "fip"; + reg = <0x100000 0x80000>; + }; + + partition@180000 { + label = "recovery"; + reg = <0x180000 0xa80000>; + }; + + partition@c00000 { + label = "fit"; + reg = <0xc00000 0x1400000>; + }; + }; + }; + + spi_nand@1 { + compatible = "spi-nand"; + reg = <1>; + spi-max-frequency = <52000000>; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "bl2"; + reg = <0x0 0x80000>; + }; + + partition@80000 { + label = "factory"; + reg = <0x80000 0x300000>; + }; + + partition@380000 { + label = "fip"; + reg = <0x380000 0x200000>; + }; + + partition@580000 { + label = "ubi"; + reg = <0x580000 0x7a80000>; + }; + }; + }; +}; + +&watchdog { + status = "disabled"; +}; + +&mmc0 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_pins_default>; + bus-width = <4>; + max-frequency = <52000000>; + cap-sd-highspeed; + r_smpl = <1>; + vmmc-supply = <®_3p3v>; + vqmmc-supply = <®_3p3v>; + status = "okay"; +};