From: Chris-QJ Chen <[email protected]> Add a basic .dts file for MediaTek Genio 720 EVK. This will suffice until an upstream devicetree is available from Linux.
Signed-off-by: Chris-QJ Chen <[email protected]> Signed-off-by: David Lechner <[email protected]> --- arch/arm/dts/Makefile | 1 + arch/arm/dts/mt8391-genio-720-evk.dts | 111 ++++++++++++++++++++++++++++++++++ 2 files changed, 112 insertions(+) diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 82ad3035308..2210e5236a1 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -1133,6 +1133,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \ mt7988-rfb.dtb \ mt7988-sd-rfb.dtb \ mt8183-pumpkin.dtb \ + mt8391-genio-720-evk.dtb \ mt8512-bm1-emmc.dtb \ mt8516-pumpkin.dtb \ mt8518-ap1-emmc.dtb diff --git a/arch/arm/dts/mt8391-genio-720-evk.dts b/arch/arm/dts/mt8391-genio-720-evk.dts new file mode 100644 index 00000000000..9fea0ec7c1d --- /dev/null +++ b/arch/arm/dts/mt8391-genio-720-evk.dts @@ -0,0 +1,111 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright (C) 2026 MediaTek Inc. + * Author: Macpaul Lin <[email protected]> + */ + +/dts-v1/; + +#include "mt8189.dtsi" + +/ { + model = "MediaTek Genio-720 EVK"; + compatible = "mediatek,mt8391-evk", "mediatek,mt8391", "mediatek,mt8189"; + + aliases { + serial0 = &uart0; + }; + + chosen { + stdout-path = "serial0:921600n8"; + }; + + firmware { + optee { + compatible = "linaro,optee-tz"; + method = "smc"; + }; + + psci { + compatible = "arm,psci-1.0"; + method = "smc"; + }; + }; + + memory@40000000 { + /* 8GB */ + device_type = "memory"; + reg = <0 0x40000000 0x2 0x00000000>; + }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + /* 2 MiB reserved for ARM Trusted Firmware (BL31) */ + bl31_secmon_reserved: secmon@54600000 { + no-map; + reg = <0 0x54600000 0x0 0x200000>; + }; + + /* 12 MiB reserved for OP-TEE (BL32) + * +-----------------------+ 0x43e0_0000 + * | SHMEM 2MiB | + * +-----------------------+ 0x43c0_0000 + * | | TA_RAM 8MiB | + * + TZDRAM +--------------+ 0x4340_0000 + * | | TEE_RAM 2MiB | + * +-----------------------+ 0x4320_0000 + */ + optee_reserved: optee@43200000 { + no-map; + reg = <0 0x43200000 0 0x00c00000>; + }; + + dsi_reserved: dsi@60000000 { + reg = <0 0x60000000 0 0x02000000>; + no-map; + }; + }; + + 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; + }; +}; + +&watchdog { + status = "okay"; +}; + +&uart0 { + status = "okay"; +}; + +&mmc0 { + bus-width = <8>; + max-frequency = <200000000>; + cap-mmc-highspeed; + mmc-hs200-1_8v; + mmc-hs400-1_8v; + hs400-ds-delay = <0x1481b>; + cap-mmc-hw-reset; + vmmc-supply = <®_3p3v>; + vqmmc-supply = <®_1p8v>; + non-removable; + status = "okay"; +}; -- 2.43.0
