On Tue, 2025-12-09 at 11:22 +0100, Julien Stephan wrote: > From: Julien Masson <[email protected]> > > This adds basic support for MediaTek MT8188 SoC. > > Add watchdog support by adding upstream compatible string. > > Add tphy support by adding "mediatek,generic-tphy-v2" compatible > string > in arch/arm/dts/mt8188-u-boot.dtsi > > Signed-off-by: Julien Masson <[email protected]> > Signed-off-by: Julien Stephan <[email protected]> > --- > MAINTAINERS | 1 + > arch/arm/dts/mt8188-u-boot.dtsi | 10 +++++ > arch/arm/mach-mediatek/Kconfig | 11 +++++- > arch/arm/mach-mediatek/Makefile | 1 + > arch/arm/mach-mediatek/mt8188/Makefile | 3 ++ > arch/arm/mach-mediatek/mt8188/init.c | 70 > ++++++++++++++++++++++++++++++++++ > drivers/watchdog/mtk_wdt.c | 1 + > 7 files changed, 96 insertions(+), 1 deletion(-) > > diff --git a/MAINTAINERS b/MAINTAINERS > index > b43dae882b3ea33c2cd745bd3759e3f4d97abc80..5b52d2fe17506d2659be9016a7c > a639062332ae9 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -415,6 +415,7 @@ M: Chunfeng Yun <[email protected]> > M: Igor Belwon <[email protected]> > R: GSS_MTK_Uboot_upstream <[email protected]> > S: Maintained > +F: arch/arm/dts/mt* > F: arch/arm/mach-mediatek/ > F: arch/arm/include/asm/arch-mediatek/ > F: board/mediatek/ > diff --git a/arch/arm/dts/mt8188-u-boot.dtsi b/arch/arm/dts/mt8188-u- > boot.dtsi > new file mode 100644 > index > 0000000000000000000000000000000000000000..6d1b2ab82da1c95a49b8a693eb0 > f854ab913a26b > --- /dev/null > +++ b/arch/arm/dts/mt8188-u-boot.dtsi > @@ -0,0 +1,10 @@ > +// SPDX-License-Identifier: (GPL-2.0 OR MIT) > +/* > + * Copyright (c) 2025 Baylibre SAS. > + * Author: Julien Masson <[email protected]> > + */ > + > +&u3phy0 { > + compatible = "mediatek,mt8188-tphy", "mediatek,generic-tphy- > v3", > + "mediatek,generic-tphy-v2"; > +}; > diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach- > mediatek/Kconfig > index > e54c456aec0bda3bc1c06d0780d74e96a659531d..f7ef17e0203c74a5c18630636f9 > 78cbcfb948089 100644 > --- a/arch/arm/mach-mediatek/Kconfig > +++ b/arch/arm/mach-mediatek/Kconfig > @@ -84,6 +84,15 @@ config TARGET_MT8183 > SD and MMC cards, UFS, PWM, I2C, I2S, S/PDIF, and several > LPDDR3 > and LPDDR4 options. > > +config TARGET_MT8188 > + bool "MediaTek MT8188 SoC" > + select ARM64 > + help > + The MediaTek MT8188 is a ARM64-based SoC with a dual-core > Cortex-A78 > + cluster and a six-core Cortex-A55 cluster. It includes > UART, SPI, > + USB3.0 dual role, SD and MMC cards, UFS, PWM, I2C, I2S, > S/PDIF, and > + several LPDDR3 and LPDDR4 options. > + > config TARGET_MT8365 > bool "MediaTek MT8365 SoC" > select ARM64 > @@ -157,7 +166,7 @@ config SYS_CONFIG_NAME > config MTK_BROM_HEADER_INFO > string > default "media=nor" if TARGET_MT8518 || TARGET_MT8512 || > TARGET_MT7629 > - default "media=emmc" if TARGET_MT8516 || TARGET_MT8365 || > TARGET_MT8183 > + default "media=emmc" if TARGET_MT8516 || TARGET_MT8365 || > TARGET_MT8183 || TARGET_MT8188 > default "lk=1" if TARGET_MT7623 > > config MTK_TZ_MOVABLE > diff --git a/arch/arm/mach-mediatek/Makefile b/arch/arm/mach- > mediatek/Makefile > index > c11d6ad8aed6e411636fd8aea1b1eca6ba4780a8..44591bed6fa0c57a026fa0b71f5 > e46911ca18a50 100644 > --- a/arch/arm/mach-mediatek/Makefile > +++ b/arch/arm/mach-mediatek/Makefile > @@ -12,6 +12,7 @@ obj-$(CONFIG_TARGET_MT7986) += mt7986/ > obj-$(CONFIG_TARGET_MT7987) += mt7987/ > obj-$(CONFIG_TARGET_MT7988) += mt7988/ > obj-$(CONFIG_TARGET_MT8183) += mt8183/ > +obj-$(CONFIG_TARGET_MT8188) += mt8188/ > obj-$(CONFIG_TARGET_MT8365) += mt8365/ > obj-$(CONFIG_TARGET_MT8512) += mt8512/ > obj-$(CONFIG_TARGET_MT8516) += mt8516/ > diff --git a/arch/arm/mach-mediatek/mt8188/Makefile b/arch/arm/mach- > mediatek/mt8188/Makefile > new file mode 100644 > index > 0000000000000000000000000000000000000000..886ab7e4eb9fa4533d51995b104 > 2fe2f1febdc33 > --- /dev/null > +++ b/arch/arm/mach-mediatek/mt8188/Makefile > @@ -0,0 +1,3 @@ > +# SPDX-License-Identifier: GPL-2.0 > + > +obj-y += init.o > diff --git a/arch/arm/mach-mediatek/mt8188/init.c b/arch/arm/mach- > mediatek/mt8188/init.c > new file mode 100644 > index > 0000000000000000000000000000000000000000..ed67150e61192d89875a1454044 > 40a97036ed34b > --- /dev/null > +++ b/arch/arm/mach-mediatek/mt8188/init.c > @@ -0,0 +1,70 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Copyright (C) 2025 MediaTek Inc. > + * Copyright (C) 2025 BayLibre, SAS > + * Author: Julien Masson <[email protected]> > + * Chris-QJ Chen <[email protected]> > + */ > + > +#include <asm/global_data.h> > +#include <asm/system.h> > +#include <dm/uclass.h> > +#include <linux/sizes.h> > +#include <wdt.h> > + > +DECLARE_GLOBAL_DATA_PTR; > + > +int dram_init(void) > +{ > + int ret; > + > + ret = fdtdec_setup_memory_banksize(); > + if (ret) > + return ret; > + > + fdtdec_setup_mem_size_base(); > + > + /* > + * Limit gd->ram_top not exceeding SZ_4G. Some periphals > like mmc > + * requires DMA buffer allocated below SZ_4G. > + * > + * Note: SZ_1M is for adjusting gd->relocaddr, the reserved > memory for > + * u-boot itself. > + */ > + if (gd->ram_base + gd->ram_size >= SZ_4G) > + gd->mon_len = (gd->ram_base + gd->ram_size + SZ_1M) - > SZ_4G; > + > + return 0; > +} > + > +int dram_init_banksize(void) > +{ > + gd->bd->bi_dram[0].start = gd->ram_base; > + gd->bd->bi_dram[0].size = gd->ram_size; > + > + return 0; > +} > + > +int mtk_soc_early_init(void) > +{ > + return 0; > +} > + > +void reset_cpu(void) > +{ > + struct udevice *wdt; > + > + if (IS_ENABLED(CONFIG_PSCI_RESET)) { > + psci_system_reset(); > + } else { > + uclass_first_device(UCLASS_WDT, &wdt); > + if (wdt) > + wdt_expire_now(wdt, 0); > + } > +} > + > +int print_cpuinfo(void) > +{ > + printf("CPU: MediaTek MT8188\n"); > + return 0; > +} > diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c > index > 706deb9da84626d8935a30d9cf6831289804d99d..4d4ab4cbe903e867f834427dbff > 4d9ce44efe784 100644 > --- a/drivers/watchdog/mtk_wdt.c > +++ b/drivers/watchdog/mtk_wdt.c > @@ -145,6 +145,7 @@ static const struct udevice_id mtk_wdt_ids[] = { > { .compatible = "mediatek,wdt"}, > { .compatible = "mediatek,mt6589-wdt"}, > { .compatible = "mediatek,mt7986-wdt" }, > + { .compatible = "mediatek,mt8188-wdt" }, > {} > }; > > > -- > 2.50.1 >
Reviewed-by: Macpaul Lin <[email protected]> Best regards, Macpaul Lin
