linux-kernel - [PATCH v11 3/3] watchdog: mtk_wdt: mt2712: Add reset controller

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Date:   Fri, 10 Jan 2020 15:04:22 +0800
From:   Jiaxin Yu <jiaxin.yu@...iatek.com>
To:     <yong.liang@...iatek.com>, <wim@...ux-watchdog.org>,
        <linux@...ck-us.net>, <p.zabel@...gutronix.de>,
        <matthias.bgg@...il.com>, <linux-watchdog@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <chang-an.chen@...iatek.com>, <freddy.hsin@...iatek.com>
CC:     <yingjoe.chen@...iatek.com>, <sboyd@...nel.org>,
        Jiaxin Yu <jiaxin.yu@...iatek.com>
Subject: [PATCH v11 3/3] 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@...iatek.com>
Signed-off-by: Jiaxin Yu <jiaxin.yu@...iatek.com>
Reviewed-by: Yingjoe Chen <yingjoe.chen@...iatek.com>
Reviewed-by: Philipp Zabel <p.zabel@...gutronix.de>
Reviewed-by: Rob Herring <robh@...nel.org>
Reviewed-by: Guenter Roeck <groeck7@...il.com>
---
 drivers/watchdog/mtk_wdt.c | 6 ++++++
 1 file changed, 6 insertions(+)

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 */ }
-- 
2.18.0