From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id D6BF735950; Fri, 20 Jun 2025 01:29:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750382960; cv=none; b=TrSjNG3CE94rmwYcpzpZMaSyIb0qBeyp7/n2oDyP6pdcMTOBpDmHiuXiU+B4Tn4yE9jXgopnguxebC2RpM81GuvdYp5K+75CgjtXxQsN+ueUuiZJik80kI3EfgFbWX+7sDkpmmsfJ8x+GtAcNygXscTI/CAtNYoKzQ+ClIDmxuA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750382960; c=relaxed/simple; bh=0gmfdf4OAtz954mnULUTEX2hkGqUAO+fPptmUl1h4wQ=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=BluFBrM1y06LuuLRDsHRdKbVw3BsVsH8B6EyU9DCizSn1AV1iVDrZR1TLEQm0jVCstXz9rWy+yV0+0zDYLbsfsTnc8xbjjHptuhj1eOdA0x9fwEm8q/p5H3MS03+r+3PlxjtREqQl+UGZrtuQeT8cjaWsrt+Te24uBK/489VKQE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 80045113E; Thu, 19 Jun 2025 18:28:57 -0700 (PDT) Received: from minigeek.lan (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 7620F3F673; Thu, 19 Jun 2025 18:29:15 -0700 (PDT) Date: Fri, 20 Jun 2025 02:28:03 +0100 From: Andre Przywara To: Chen-Yu Tsai Cc: Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Philipp Zabel , devicetree@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] dt-bindings: reset: sun55i-a523-r-ccu: Add missing PPU0 reset Message-ID: <20250620022803.13e7c34c@minigeek.lan> In-Reply-To: <20250619171025.3359384-2-wens@kernel.org> References: <20250619171025.3359384-1-wens@kernel.org> <20250619171025.3359384-2-wens@kernel.org> Organization: Arm Ltd. X-Mailer: Claws Mail 4.2.0 (GTK 3.24.31; x86_64-slackware-linux-gnu) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Fri, 20 Jun 2025 01:10:24 +0800 Chen-Yu Tsai wrote: > From: Chen-Yu Tsai > > There is a PPU0 reset control bit in the same register as the PPU1 > reset control. This missing reset control is for the PCK-600 unit > in the SoC. Manual tests show that the reset control indeed exists, > and if not configured, the system will hang when the PCK-600 registers > are accessed. Confirmed by experiment. > Add a reset entry for it at the end of the existing ones. > > Fixes: 52dbf84857f0 ("dt-bindings: clk: sunxi-ng: document two Allwinner A523 CCUs") > Signed-off-by: Chen-Yu Tsai Reviewed-by: Andre Przywara Cheers, Andre > --- > include/dt-bindings/reset/sun55i-a523-r-ccu.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/include/dt-bindings/reset/sun55i-a523-r-ccu.h b/include/dt-bindings/reset/sun55i-a523-r-ccu.h > index dd6fbb372e19..eb31ae9958d6 100644 > --- a/include/dt-bindings/reset/sun55i-a523-r-ccu.h > +++ b/include/dt-bindings/reset/sun55i-a523-r-ccu.h > @@ -21,5 +21,6 @@ > #define RST_BUS_R_IR_RX 12 > #define RST_BUS_R_RTC 13 > #define RST_BUS_R_CPUCFG 14 > +#define RST_BUS_R_PPU0 15 > > #endif /* _DT_BINDINGS_RST_SUN55I_A523_R_CCU_H_ */