linux-kernel - [PATCH 2/4] [PATCH 2/4] reset: simple: Add support for Armada8K reset controller

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Message-ID: <20250214065833.530276-4-dingwei@marvell.com>
Date: Thu, 13 Feb 2025 22:58:31 -0800
From: Wilson Ding <dingwei@...vell.com>
To: <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC: <andrew@...n.ch>, <gregory.clement@...tlin.com>,
        <sebastian.hesselbarth@...il.com>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>, <p.zabel@...gutronix.de>,
        <salee@...vell.com>, <gakula@...vell.com>,
        Wilson Ding <dingwei@...vell.com>
Subject: [PATCH 2/4] [PATCH 2/4] reset: simple: Add support for Armada8K reset controller

Armada8k has one register for unit soft-reset configuration within the
system controller register area.

Signed-off-by: Wilson Ding <dingwei@...vell.com>
---
 drivers/reset/reset-simple.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/reset/reset-simple.c b/drivers/reset/reset-simple.c
index e4e777d40a79..a792b913e1b1 100644
--- a/drivers/reset/reset-simple.c
+++ b/drivers/reset/reset-simple.c
@@ -183,6 +183,13 @@ static const struct reset_simple_devdata reset_simple_active_low = {
 	.status_active_low = true,
 };
 
+static const struct reset_simple_devdata reset_simple_armada8k = {
+	.nr_resets = 32,
+	.active_low = true,
+	.status_active_low = true,
+	.syscon_dev = true,
+};
+
 static const struct of_device_id reset_simple_dt_ids[] = {
 	{ .compatible = "altr,stratix10-rst-mgr",
 		.data = &reset_simple_socfpga },
@@ -203,6 +210,8 @@ static const struct of_device_id reset_simple_dt_ids[] = {
 		.data = &reset_simple_active_low },
 	{ .compatible = "sophgo,sg2042-reset",
 		.data = &reset_simple_active_low },
+	{ .compatible = "marvell,armada8k-reset",
+		.data = &reset_simple_armada8k },
 	{ /* sentinel */ },
 };
 
-- 
2.43.0