Merge tag 'mtk-arm32-for-v6.17' of https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux into soc/arm

MediaTek mach ARM32 updates

This adds support for the MediaTek MT6572 SoC, found in various
old smartphones and tablets from various manufacturers.

In particular, this adds a board_dt_compat entry for this SoC
and its SMP bring up sequence to enable secondary cores.

* tag 'mtk-arm32-for-v6.17' of https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux:
  ARM: mediatek: add MT6572 smp bring up code
  ARM: mediatek: add board_dt_compat entry for the MT6572 SoC

Link: https://lore.kernel.org/r/20250711083656.33538-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Author: arndb

arch/arm/mach-mediatek/Kconfig

@@ -15,6 +15,10 @@ config MACH_MT2701
 	bool "MediaTek MT2701 SoCs support"
 	default ARCH_MEDIATEK
 
+config MACH_MT6572
+	bool "MediaTek MT6572 SoCs support"
+	default ARCH_MEDIATEK
+
 config MACH_MT6589
 	bool "MediaTek MT6589 SoCs support"
 	default ARCH_MEDIATEK

arch/arm/mach-mediatek/mediatek.c

@@ -38,6 +38,7 @@ static void __init mediatek_timer_init(void)
 
 static const char * const mediatek_board_dt_compat[] = {
 	"mediatek,mt2701",
+	"mediatek,mt6572",
 	"mediatek,mt6589",
 	"mediatek,mt6592",
 	"mediatek,mt7623",

arch/arm/mach-mediatek/platsmp.c

@@ -29,6 +29,12 @@ static const struct mtk_smp_boot_info mtk_mt8135_tz_boot = {
 	{ 0x3f8, 0x3f8, 0x3f8 },
 };
 
+static const struct mtk_smp_boot_info mtk_mt6572_boot = {
+	0x10001400, 0x08,
+	{ 0x534c4131 },
+	{ 0x0c },
+};
+
 static const struct mtk_smp_boot_info mtk_mt6589_boot = {
 	0x10002000, 0x34,
 	{ 0x534c4131, 0x4c415332, 0x41534c33 },
@@ -49,6 +55,7 @@ static const struct of_device_id mtk_tz_smp_boot_infos[] __initconst = {
 };
 
 static const struct of_device_id mtk_smp_boot_infos[] __initconst = {
+	{ .compatible   = "mediatek,mt6572", .data = &mtk_mt6572_boot },
 	{ .compatible   = "mediatek,mt6589", .data = &mtk_mt6589_boot },
 	{ .compatible   = "mediatek,mt7623", .data = &mtk_mt7623_boot },
 	{ .compatible   = "mediatek,mt7629", .data = &mtk_mt7623_boot },