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authoryong.liang <yong.liang@mediatek.com>2020-01-15 16:58:28 +0800
committerWim Van Sebroeck <wim@linux-watchdog.org>2020-01-27 15:55:49 +0100
commit9e5236e7cec110610f3bc824a4d535c1271e4bb5 (patch)
treeeabfa33f63bcb4998e082747057fe4f92d2fa4d7 /drivers/watchdog/mtk_wdt.c
parentc254e103082b74e4f0987c364e5e3b138dbef1cc (diff)
downloadlinux-9e5236e7cec110610f3bc824a4d535c1271e4bb5.tar.bz2
watchdog: mtk_wdt: mt2712: Add reset controller
Add reset controller for 2712. Besides watchdog, MTK toprgu module alsa provide sub-system (eg, audio, camera, codec and connectivity) software reset functionality. Signed-off-by: yong.liang <yong.liang@mediatek.com> Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com> Reviewed-by: Yingjoe Chen <yingjoe.chen@mediatek.com> Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/20200115085828.27791-5-yong.liang@mediatek.com Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'drivers/watchdog/mtk_wdt.c')
-rw-r--r--drivers/watchdog/mtk_wdt.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c
index e88aacb0404d..d6a6393f609d 100644
--- 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-controller/mt2712-resets.h>
#include <dt-bindings/reset-controller/mt8183-resets.h>
#include <linux/delay.h>
#include <linux/err.h>
@@ -67,6 +68,10 @@ struct mtk_wdt_data {
int toprgu_sw_rst_num;
};
+static const struct mtk_wdt_data mt2712_data = {
+ .toprgu_sw_rst_num = MT2712_TOPRGU_SW_RST_NUM,
+};
+
static const struct mtk_wdt_data mt8183_data = {
.toprgu_sw_rst_num = MT8183_TOPRGU_SW_RST_NUM,
};
@@ -314,6 +319,7 @@ static int mtk_wdt_resume(struct device *dev)
#endif
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 },
{ /* sentinel */ }