mediatek: add mt7986 soc support to the target

It will be supported by the new filogic subtarget

Signed-off-by: Sam Shih <sam.shih@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>

1 files changed, 57 insertions, 0 deletions

diff --git a/target/linux/mediatek/patches-5.15/920-watchdog-add-mt7986-assert.patch b/target/linux/mediatek/patches-5.15/920-watchdog-add-mt7986-assert.patch
new file mode 100644
index 0000000000..699161458c
--- /dev/null
+++ b/target/linux/mediatek/patches-5.15/920-watchdog-add-mt7986-assert.patch
@@ -0,0 +1,57 @@
+--- a/drivers/watchdog/mtk_wdt.c
++++ b/drivers/watchdog/mtk_wdt.c
+@@ -9,6 +9,7 @@
+  * Based on sunxi_wdt.c
+  */
+ 
++#include <dt-bindings/reset/mt7986-resets.h>
+ #include <dt-bindings/reset-controller/mt2712-resets.h>
+ #include <dt-bindings/reset-controller/mt8183-resets.h>
+ #include <dt-bindings/reset-controller/mt8192-resets.h>
+@@ -65,6 +66,7 @@ struct mtk_wdt_dev {
+ 	void __iomem *wdt_base;
+ 	spinlock_t lock; /* protects WDT_SWSYSRST reg */
+ 	struct reset_controller_dev rcdev;
++	bool disable_wdt_extrst;
+ };
+ 
+ struct mtk_wdt_data {
+@@ -87,6 +89,10 @@ static const struct mtk_wdt_data mt8195_
+ 	.toprgu_sw_rst_num = MT8195_TOPRGU_SW_RST_NUM,
+ };
+ 
++static const struct mtk_wdt_data mt7986_data = {
++	.toprgu_sw_rst_num = MT7986_TOPRGU_SW_RST_NUM,
++};
++
+ static int toprgu_reset_update(struct reset_controller_dev *rcdev,
+ 			       unsigned long id, bool assert)
+ {
+@@ -256,6 +262,8 @@ static int mtk_wdt_start(struct watchdog
+ 		reg |= (WDT_MODE_IRQ_EN | WDT_MODE_DUAL_EN);
+ 	else
+ 		reg &= ~(WDT_MODE_IRQ_EN | WDT_MODE_DUAL_EN);
++	if (mtk_wdt->disable_wdt_extrst)
++		reg &= ~WDT_MODE_EXRST_EN;
+ 	reg |= (WDT_MODE_EN | WDT_MODE_KEY);
+ 	iowrite32(reg, wdt_base + WDT_MODE);
+ 
+@@ -381,6 +389,10 @@ static int mtk_wdt_probe(struct platform
+ 		if (err)
+ 			return err;
+ 	}
++
++	mtk_wdt->disable_wdt_extrst =
++		of_property_read_bool(dev->of_node, "mediatek,disable-extrst");
++
+ 	return 0;
+ }
+ 
+@@ -414,6 +426,7 @@ static const struct of_device_id mtk_wdt
+ 	{ .compatible = "mediatek,mt8183-wdt", .data = &mt8183_data },
+ 	{ .compatible = "mediatek,mt8192-wdt", .data = &mt8192_data },
+ 	{ .compatible = "mediatek,mt8195-wdt", .data = &mt8195_data },
++	{ .compatible = "mediatek,mt7986-wdt", .data = &mt7986_data },
+ 	{ /* sentinel */ }
+ };
+ MODULE_DEVICE_TABLE(of, mtk_wdt_dt_ids);