linux-kernel - [PATCH v2 2/3] reset: th1520: Support the new compatible for VO-subsystem controller

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Message-ID: <20250820074245.16613-3-ziyao@disroot.org>
Date: Wed, 20 Aug 2025 07:42:44 +0000
From: Yao Zi <ziyao@...root.org>
To: Drew Fustini <fustini@...nel.org>,
	Guo Ren <guoren@...nel.org>,
	Fu Wei <wefu@...hat.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Alexandre Ghiti <alex@...ti.fr>,
	Michal Wilczynski <m.wilczynski@...sung.com>
Cc: linux-riscv@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Icenowy Zheng <uwu@...nowy.me>,
	Han Gao <rabenda.cn@...il.com>,
	Han Gao <gaohan@...as.ac.cn>,
	Yao Zi <ziyao@...root.org>
Subject: [PATCH v2 2/3] reset: th1520: Support the new compatible for VO-subsystem controller

The reset controller for VO-subsystem is previously described with
compatible "thead,th1520-reset", which is misleading since it implies
control over all reset units on the SoC.

A new compatible, "thead,th1520-reset-vo", has been introduced to
describe the controller's scope explicitly, while the old one has been
deprecated. Let's support the compatible in the driver.

Fixes: 4a65326311ab ("reset: thead: Add TH1520 reset controller driver")
Reported-by: Icenowy Zheng <uwu@...nowy.me>
Co-developed-by: Michal Wilczynski <m.wilczynski@...sung.com>
Signed-off-by: Michal Wilczynski <m.wilczynski@...sung.com>
Signed-off-by: Yao Zi <ziyao@...root.org>
---
 drivers/reset/reset-th1520.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/reset/reset-th1520.c b/drivers/reset/reset-th1520.c
index 14d964a9c6b6..4c8ea35b174e 100644
--- a/drivers/reset/reset-th1520.c
+++ b/drivers/reset/reset-th1520.c
@@ -154,6 +154,7 @@ static int th1520_reset_probe(struct platform_device *pdev)
 
 static const struct of_device_id th1520_reset_match[] = {
 	{ .compatible = "thead,th1520-reset" },
+	{ .compatible = "thead,th1520-reset-vo" },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, th1520_reset_match);
-- 
2.50.1