linux-kernel - [PATCH V2 3/4] watchdog: Add support for Amlogic-T7 SoCs

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Date:   Wed, 2 Aug 2023 11:32:21 +0800
From:   Huqiang Qin <huqiang.qin@...ogic.com>
To:     <wim@...ux-watchdog.org>, <linux@...ck-us.net>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>, <neil.armstrong@...aro.org>,
        <khilman@...libre.com>, <jbrunet@...libre.com>,
        <martin.blumenstingl@...glemail.com>
CC:     <linux-watchdog@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-amlogic@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Huqiang Qin <huqiang.qin@...ogic.com>
Subject: [PATCH V2 3/4] watchdog: Add support for Amlogic-T7 SoCs

Compared with the previous Amlogic-GXBB, the watchdog of Amlogic-T7
has a different reset enable bit.

Signed-off-by: Huqiang Qin <huqiang.qin@...ogic.com>
---

V1 -> V2: Use the BIT() macro to build rst initial value.

 drivers/watchdog/meson_gxbb_wdt.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/watchdog/meson_gxbb_wdt.c b/drivers/watchdog/meson_gxbb_wdt.c
index 18180d91543e..a48622d11ad7 100644
--- a/drivers/watchdog/meson_gxbb_wdt.c
+++ b/drivers/watchdog/meson_gxbb_wdt.c
@@ -147,8 +147,13 @@ static const struct wdt_params gxbb_params = {
 	.rst = BIT(21),
 };
 
+static const struct wdt_params t7_params = {
+	.rst = BIT(22),
+};
+
 static const struct of_device_id meson_gxbb_wdt_dt_ids[] = {
 	 { .compatible = "amlogic,meson-gxbb-wdt", .data = &gxbb_params, },
+	 { .compatible = "amlogic,t7-wdt", .data = &t7_params, },
 	 { /* sentinel */ },
 };
 MODULE_DEVICE_TABLE(of, meson_gxbb_wdt_dt_ids);
-- 
2.37.1