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From: Yao Zi <ziyao@disroot.org>
To: Drew Fustini <fustini@kernel.org>, Guo Ren <guoren@kernel.org>,
	Fu Wei <wefu@redhat.com>, Philipp Zabel <p.zabel@pengutronix.de>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>,
	Michal Wilczynski <m.wilczynski@samsung.com>
Cc: devicetree@vger.kernel.org, Han Gao <gaohan@iscas.ac.cn>,
	linux-kernel@vger.kernel.org, Han Gao <rabenda.cn@gmail.com>,
	linux-riscv@lists.infradead.org, Yao Zi <ziyao@disroot.org>
Subject: [PATCH v2 2/3] reset: th1520: Support the new compatible for VO-subsystem controller
Date: Wed, 20 Aug 2025 07:42:44 +0000	[thread overview]
Message-ID: <20250820074245.16613-3-ziyao@disroot.org> (raw)
In-Reply-To: <20250820074245.16613-1-ziyao@disroot.org>

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@icenowy.me>
Co-developed-by: Michal Wilczynski <m.wilczynski@samsung.com>
Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.com>
Signed-off-by: Yao Zi <ziyao@disroot.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


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  parent reply	other threads:[~2025-08-20  7:46 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-20  7:42 [PATCH v2 0/3] Scope TH1520 reset driver to VO subsystem Yao Zi
2025-08-20  7:42 ` [PATCH v2 1/3] dt-bindings: reset: Scope the compatible to VO subsystem explicitly Yao Zi
2025-08-21  7:54   ` Krzysztof Kozlowski
2025-08-22  8:28     ` Yao Zi
2025-08-22  9:45       ` Krzysztof Kozlowski
2025-08-20  7:42 ` Yao Zi [this message]
2025-08-21  7:50   ` [PATCH v2 2/3] reset: th1520: Support the new compatible for VO-subsystem controller Krzysztof Kozlowski
2025-08-20  7:42 ` [PATCH v2 3/3] riscv: dts: thead: Scope the reset controller to VO for TH1520 Yao Zi
2025-08-21  7:49   ` Krzysztof Kozlowski

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