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| author | mingming lee <mingming.lee@mediatek.com> | 2019-12-31 11:29:26 +0800 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-01-16 09:39:45 -0500 |
| commit | b9bf3cbfd613099d15122140faddf632ae9d1165 (patch) | |
| tree | 34a5b39e239c0dd9a259aa5849c2c613fb910702 /arch | |
| parent | fb80eaa9d8c15840bbceb4b8152c3759a84ae39e (diff) | |
| download | u-boot-b9bf3cbfd613099d15122140faddf632ae9d1165.zip u-boot-b9bf3cbfd613099d15122140faddf632ae9d1165.tar.gz u-boot-b9bf3cbfd613099d15122140faddf632ae9d1165.tar.bz2 | |
ARM: MediaTek: add basic support for MT8512 boards
This adds a general board file based on MT8512 SoCs from MediaTek.
Apart from the generic parts (cpu) we add some low level init codes
and initialize the early clocks.
This commit is adding the basic boot support for the MT8512 eMMC board.
Signed-off-by: mingming lee <mingming.lee@mediatek.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/dts/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/dts/mt8512-bm1-emmc.dts | 106 |
2 files changed, 107 insertions, 0 deletions
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index d7e625e..3c7ecd2 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -874,6 +874,7 @@ dtb-$(CONFIG_SOC_K3_J721E) += k3-j721e-common-proc-board.dtb \ dtb-$(CONFIG_ARCH_MEDIATEK) += \ mt7623n-bananapi-bpi-r2.dtb \ mt7629-rfb.dtb \ + mt8512-bm1-emmc.dtb \ mt8516-pumpkin.dtb \ mt8518-ap1-emmc.dtb diff --git a/arch/arm/dts/mt8512-bm1-emmc.dts b/arch/arm/dts/mt8512-bm1-emmc.dts new file mode 100644 index 0000000..296ed93 --- /dev/null +++ b/arch/arm/dts/mt8512-bm1-emmc.dts @@ -0,0 +1,106 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright (C) 2019 MediaTek Inc. + * Author: Mingming Lee <mingming.lee@mediatek.com> + * + */ + +/dts-v1/; + +#include <config.h> +#include "mt8512.dtsi" + +/ { + #address-cells = <1>; + #size-cells = <1>; + + model = "MT8512 BM1 EMMC"; + + chosen { + stdout-path = &uart0; + tick-timer = &timer0; + }; + + memory@40000000 { + device_type = "memory"; + reg = <0x40000000 0x20000000>; + }; + + 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; + }; +}; + +&mmc0 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_pins_default>; + bus-width = <8>; + max-frequency = <200000000>; + cap-mmc-highspeed; + mmc-hs200-1_8v; + cap-mmc-hw-reset; + vmmc-supply = <®_3p3v>; + vqmmc-supply = <®_1p8v>; + non-removable; + status = "okay"; +}; + +&pinctrl { + mmc0_pins_default: mmc0default { + mux { + function = "msdc"; + groups = "msdc0"; + }; + + conf-cmd-data { + pins = "MSDC0_CMD", "MSDC0_DAT0", "MSDC0_DAT1", + "MSDC0_DAT2", "MSDC0_DAT3", "MSDC0_DAT4", + "MSDC0_DAT5", "MSDC0_DAT6", "MSDC0_DAT7"; + input-enable; + drive-strength = <6>; + bias-pull-up; + }; + + conf-clk { + pins = "MSDC0_CLK"; + drive-strength = <6>; + bias-pull-down; + }; + + conf-rst { + pins = "MSDC0_RSTB"; + bias-pull-up; + }; + }; + + uart0_pins: uart0 { + mux { + function = "uart"; + groups = "uart0_0_rxd_txd"; + }; + }; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins>; + status = "okay"; +}; + +&watchdog0 { + status = "okay"; +}; |