watchdog: mt8192: add wdt support

Add support for watchdog device found in MT8192 SoC

Signed-off-by: Crystal Guo <crystal.guo@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20201014131936.20584-5-crystal.guo@mediatek.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c
index 0c869b7..97ca993 100644 (file)
--- a/drivers/watchdog/mtk_wdt.c
+++ b/drivers/watchdog/mtk_wdt.c
@@ -11,6 +11,7 @@
 
 #include <dt-bindings/reset-controller/mt2712-resets.h>
 #include <dt-bindings/reset-controller/mt8183-resets.h>
+#include <dt-bindings/reset-controller/mt8192-resets.h>
 #include <linux/delay.h>
 #include <linux/err.h>
 #include <linux/init.h>
@@ -76,6 +77,10 @@ static const struct mtk_wdt_data mt8183_data = {
        .toprgu_sw_rst_num = MT8183_TOPRGU_SW_RST_NUM,
 };
 
+static const struct mtk_wdt_data mt8192_data = {
+       .toprgu_sw_rst_num = MT8192_TOPRGU_SW_RST_NUM,
+};
+
 static int toprgu_reset_update(struct reset_controller_dev *rcdev,
                               unsigned long id, bool assert)
 {
@@ -335,6 +340,7 @@ static const struct of_device_id mtk_wdt_dt_ids[] = {
        { .compatible = "mediatek,mt2712-wdt", .data = &mt2712_data },
        { .compatible = "mediatek,mt6589-wdt" },
        { .compatible = "mediatek,mt8183-wdt", .data = &mt8183_data },
+       { .compatible = "mediatek,mt8192-wdt", .data = &mt8192_data },
        { /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, mtk_wdt_dt_ids);