watchdog: mtk_wdt: Add support for MT6795 Helio X10 watchdog and toprgu

Add support for the toprgu reset controller and watchdog for the
MediaTek MT6795 SoC.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Co-developed-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20221005113517.70628-6-angelogioacchino.delregno@collabora.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 e977875367926e6168391eec44050b208cf71f1a..5fa42b7d4b4d5a05d20d6dba8007654f8ff8feea 100644 (file)
--- a/drivers/watchdog/mtk_wdt.c
+++ b/drivers/watchdog/mtk_wdt.c
@@ -10,6 +10,7 @@
  */
 
 #include <dt-bindings/reset/mt2712-resets.h>
+#include <dt-bindings/reset/mediatek,mt6795-resets.h>
 #include <dt-bindings/reset/mt7986-resets.h>
 #include <dt-bindings/reset/mt8183-resets.h>
 #include <dt-bindings/reset/mt8186-resets.h>
@@ -78,6 +79,10 @@ static const struct mtk_wdt_data mt2712_data = {
        .toprgu_sw_rst_num = MT2712_TOPRGU_SW_RST_NUM,
 };
 
+static const struct mtk_wdt_data mt6795_data = {
+       .toprgu_sw_rst_num = MT6795_TOPRGU_SW_RST_NUM,
+};
+
 static const struct mtk_wdt_data mt7986_data = {
        .toprgu_sw_rst_num = MT7986_TOPRGU_SW_RST_NUM,
 };
@@ -426,6 +431,7 @@ static int mtk_wdt_resume(struct device *dev)
 static const struct of_device_id mtk_wdt_dt_ids[] = {
        { .compatible = "mediatek,mt2712-wdt", .data = &mt2712_data },
        { .compatible = "mediatek,mt6589-wdt" },
+       { .compatible = "mediatek,mt6795-wdt", .data = &mt6795_data },
        { .compatible = "mediatek,mt7986-wdt", .data = &mt7986_data },
        { .compatible = "mediatek,mt8183-wdt", .data = &mt8183_data },
        { .compatible = "mediatek,mt8186-wdt", .data = &mt8186_data },