linux-kernel - [PATCH v3 2/4] reset: simple: add support for Sophgo SG2042

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Date: Tue, 30 Jan 2024 09:50:08 +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 v3 2/4] reset: simple: add support for Sophgo SG2042

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        | 3 ++-
 drivers/reset/reset-simple.c | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index ccd59ddd7610..2034f69d5953 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -213,7 +213,7 @@ config RESET_SCMI
 
 config RESET_SIMPLE
 	bool "Simple Reset Controller Driver" if COMPILE_TEST || EXPERT
-	default ARCH_ASPEED || ARCH_BCMBCA || ARCH_BITMAIN || ARCH_REALTEK || ARCH_STM32 || (ARCH_INTEL_SOCFPGA && ARM64) || ARCH_SUNXI || ARC
+	default ARCH_ASPEED || ARCH_BCMBCA || ARCH_BITMAIN || ARCH_REALTEK || ARCH_SOPHGO || ARCH_STM32 || (ARCH_INTEL_SOCFPGA && ARM64) || ARCH_SUNXI || ARC
 	depends on HAS_IOMEM
 	help
 	  This enables a simple reset controller driver for reset lines that
@@ -228,6 +228,7 @@ config RESET_SIMPLE
 	   - RCC reset controller in STM32 MCUs
 	   - Allwinner SoCs
 	   - SiFive FU740 SoCs
+	   - Sophgo SoCs
 
 config RESET_SOCFPGA
 	bool "SoCFPGA Reset Driver" if COMPILE_TEST && (!ARM || !ARCH_INTEL_SOCFPGA)
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 */ },
 };
 
-- 
2.25.1