diff options
Diffstat (limited to 'arch/arm/dts/mt7622-rfb.dts')
| -rw-r--r-- | arch/arm/dts/mt7622-rfb.dts | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/arch/arm/dts/mt7622-rfb.dts b/arch/arm/dts/mt7622-rfb.dts new file mode 100644 index 0000000000..ec30f5c6eb --- /dev/null +++ b/arch/arm/dts/mt7622-rfb.dts @@ -0,0 +1,180 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2019 MediaTek Inc. + * Author: Sam Shih <sam.shih@mediatek.com> + */ + +/dts-v1/; +#include "mt7622.dtsi" +#include "mt7622-u-boot.dtsi" + +/ { + #address-cells = <1>; + #size-cells = <1>; + model = "mt7622-rfb"; + compatible = "mediatek,mt7622", "mediatek,mt7622-rfb"; + chosen { + stdout-path = &uart0; + tick-timer = &timer0; + }; + + aliases { + spi0 = &snfi; + }; + + memory@40000000 { + device_type = "memory"; + reg = <0x40000000 0x10000000>; + }; + + 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; + }; + + 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; + }; +}; + + +&pinctrl { + snfi_pins: snfi-pins { + mux { + function = "flash"; + groups = "snfi"; + }; + }; + + snor_pins: snor-pins { + mux { + function = "flash"; + groups = "spi_nor"; + }; + }; + + uart0_pins: uart0 { + mux { + function = "uart"; + groups = "uart0_0_tx_rx" ; + }; + }; + + watchdog_pins: watchdog-default { + mux { + function = "watchdog"; + groups = "watchdog"; + }; + }; + + mmc0_pins_default: mmc0default { + mux { + function = "emmc"; + groups = "emmc"; + }; + + /* "NDL0","NDL1","NDL2","NDL3","NDL4","NDL5","NDL6","NDL7", + * "NRB","NCLE" pins are used as DAT0,DAT1,DAT2,DAT3,DAT4, + * DAT5,DAT6,DAT7,CMD,CLK for eMMC respectively + */ + conf-cmd-dat { + pins = "NDL0", "NDL1", "NDL2", + "NDL3", "NDL4", "NDL5", + "NDL6", "NDL7", "NRB"; + input-enable; + bias-pull-up; + }; + + conf-clk { + pins = "NCLE"; + bias-pull-down; + }; + + }; + + mmc1_pins_default: mmc1default { + mux { + function = "sd"; + groups = "sd_0"; + }; + /* "I2S2_OUT, "I2S4_IN"", "I2S3_IN", "I2S2_IN", + * "I2S4_OUT", "I2S3_OUT" are used as DAT0, DAT1, + * DAT2, DAT3, CMD, CLK for SD respectively. + */ + conf-cmd-data { + pins = "I2S2_OUT", "I2S4_IN", "I2S3_IN", + "I2S2_IN","I2S4_OUT"; + input-enable; + drive-strength = <8>; + bias-pull-up; + }; + conf-clk { + pins = "I2S3_OUT"; + drive-strength = <12>; + bias-pull-down; + }; + conf-cd { + pins = "TXD3"; + bias-pull-up; + }; + + }; +}; + +&snfi { + pinctrl-names = "default", "snfi"; + pinctrl-0 = <&snor_pins>; + pinctrl-1 = <&snfi_pins>; + status = "okay"; + + spi-flash@0{ + compatible = "jedec,spi-nor"; + reg = <0>; + u-boot,dm-pre-reloc; + }; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins>; + status = "okay"; +}; + +&mmc0 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_pins_default>; + status = "okay"; + bus-width = <8>; + max-frequency = <50000000>; + cap-sd-highspeed; + vmmc-supply = <®_3p3v>; + vqmmc-supply = <®_3p3v>; + non-removable; +}; + +&mmc1 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc1_pins_default>; + status = "okay"; + bus-width = <4>; + max-frequency = <50000000>; + cap-sd-highspeed; + r_smpl = <1>; + vmmc-supply = <®_3p3v>; + vqmmc-supply = <®_3p3v>; +}; + +&watchdog { + pinctrl-names = "default"; + pinctrl-0 = <&watchdog_pins>; + status = "okay"; +}; |