linux-kernel - [PATCH v2 2/4] reset: sophgo: add SG2042 reset generator driver

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Message-Id: <34650036ea5f1c500da54c67c3a67b91c4419399.1706161530.git.unicorn_wang@outlook.com>
Date: Thu, 25 Jan 2024 14:11:14 +0800
From: Chen Wang <unicornxw@...il.com>
To: aou@...s.berkeley.edu,
	chao.wei@...hgo.com,
	conor@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	palmer@...belt.com,
	paul.walmsley@...ive.com,
	p.zabel@...gutronix.de,
	robh+dt@...nel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	haijiao.liu@...hgo.com,
	xiaoguang.xing@...hgo.com,
	guoren@...nel.org,
	jszhang@...nel.org,
	inochiama@...look.com
Cc: Chen Wang <unicorn_wang@...look.com>
Subject: [PATCH v2 2/4] reset: sophgo: add SG2042 reset generator driver

From: Chen Wang <unicorn_wang@...look.com>

Reuse reset-simple driver for the Sophgo SG2042 reset generator.

Signed-off-by: Chen Wang <unicorn_wang@...look.com>
---
 drivers/reset/Kconfig        |  1 +
 drivers/reset/reset-simple.c |  2 ++
 drivers/reset/sophgo/Kconfig | 10 ++++++++++
 3 files changed, 13 insertions(+)
 create mode 100644 drivers/reset/sophgo/Kconfig

diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index ccd59ddd7610..09ba59cc4bc5 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -318,6 +318,7 @@ config RESET_ZYNQ
 	help
 	  This enables the reset controller driver for Xilinx Zynq SoCs.
 
+source "drivers/reset/sophgo/Kconfig"
 source "drivers/reset/starfive/Kconfig"
 source "drivers/reset/sti/Kconfig"
 source "drivers/reset/hisilicon/Kconfig"
diff --git a/drivers/reset/reset-simple.c b/drivers/reset/reset-simple.c
index 818cabcc9fb7..276067839830 100644
--- a/drivers/reset/reset-simple.c
+++ b/drivers/reset/reset-simple.c
@@ -151,6 +151,8 @@ static const struct of_device_id reset_simple_dt_ids[] = {
 	{ .compatible = "snps,dw-high-reset" },
 	{ .compatible = "snps,dw-low-reset",
 		.data = &reset_simple_active_low },
+	{ .compatible = "sophgo,sg2042-reset",
+		.data = &reset_simple_active_low },
 	{ /* sentinel */ },
 };
 
diff --git a/drivers/reset/sophgo/Kconfig b/drivers/reset/sophgo/Kconfig
new file mode 100644
index 000000000000..9ad96e49e1dd
--- /dev/null
+++ b/drivers/reset/sophgo/Kconfig
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+config RESET_SOPHGO_SG2042
+	bool "Sophgo SG2042 Reset Driver"
+	depends on ARCH_SOPHGO || COMPILE_TEST
+	select RESET_SIMPLE
+	default ARCH_SOPHGO
+	help
+	  This enables the reset controller driver for the Sophgo SG2042 SoC.
+
-- 
2.25.1