From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpbgbr1.qq.com (smtpbgbr1.qq.com [54.207.19.206]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BA0903A8736 for ; Wed, 29 Apr 2026 08:07:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=54.207.19.206 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777450046; cv=none; b=eRwf7yjXECt/Ehrny+0/sLypCialTZ9TeQYNsemAqrg0b8VXxyDZ+JjsF7KF73P/UKf1iLOeQaSBup/MYGwEDq8wf25W+OzTjfl6old4Vf484mTWa8aoFt7/ydl+5q5zTYAniC8kZhM+WYVKeXpkWTskGQS719gA/gv9kpQo/GE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777450046; c=relaxed/simple; bh=VVYnj1NTnND102+Nf5YuvXZE1Q7Pxxugvsqk0sklmCc=; h=Mime-Version:Content-Type:Date:Message-Id:Cc:Subject:From:To: References:In-Reply-To; b=EdxYXvHYVpkM5Inm8kYedVQvB8lyCQlMfmZxCPpKlYQHhhoyeEeuACqq9NR7zkYJ3GjrXrOyPcW3hDCyxSp4+EOzB6SPUwJ+nKZ4hlnhgT1Kl5Ty48cnmCNI4DkypyWkQ3BVzQoF2H0F9JLuMn3UpqSpCiIeXGx7D9fpyIKZDpM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux.spacemit.com; spf=none smtp.mailfrom=linux.spacemit.com; dkim=pass (1024-bit key) header.d=linux.spacemit.com header.i=@linux.spacemit.com header.b=pqZS+Yab; arc=none smtp.client-ip=54.207.19.206 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux.spacemit.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.spacemit.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.spacemit.com header.i=@linux.spacemit.com header.b="pqZS+Yab" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.spacemit.com; s=mxsw2412; t=1777449999; bh=syEXayrqEHH29YbUaaMKUuDyp4pncudJ2CvPpGtXRfE=; h=Mime-Version:Date:Message-Id:Subject:From:To; b=pqZS+Yab6+9tSiy+GOVi9eVyZrwDSC0NC70SLXjotszRyVe/OPW1bwSuI2Nj8KgQn XQHxD6k7CvSU2RgOJEP5bAEJ66PXdbrDfEZuBKCDXD4nilJEROhMu+B/ERKzSv88J0 ewxA/UDEk086q5k1Qy7LHAkmeQQ11MyRVHeS5NCs= X-QQ-mid: esmtpsz16t1777449991t0408f2f1 X-QQ-Originating-IP: zsMbRQkynHqJbH/L4Vq0BAqBfw14VUbJtUTjJQM+xnU= Received: from = ( [120.237.158.181]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 29 Apr 2026 16:06:29 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 2472965661338442668 EX-QQ-RecipientCnt: 15 Precedence: bulk X-Mailing-List: spacemit@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Wed, 29 Apr 2026 16:06:29 +0800 Message-Id: Cc: "Liam Girdwood" , "Jaroslav Kysela" , "Takashi Iwai" , "Yixun Lan" , "Jinmei Wei" , "Rob Herring" , "Krzysztof Kozlowski" , "Conor Dooley" , , , , , Subject: Re: [PATCH 5/7] ASoC: dt-bindings: add fixed-sample-rate property for SpacemiT K1/K3 From: "Troy Mitchell" To: "Mark Brown" , "Troy Mitchell" X-Mailer: aerc 0.21.0-0-g5549850facc2 References: <20260429-k3-i2s-v1-0-2fe99db11ecb@linux.spacemit.com> <20260429-k3-i2s-v1-5-2fe99db11ecb@linux.spacemit.com> In-Reply-To: X-QQ-SENDSIZE: 520 Feedback-ID: esmtpsz:linux.spacemit.com:qybglogicsvrgz:qybglogicsvrgz3a-0 X-QQ-XMAILINFO: M5aCtjAndv5OfIZmP/HxyXzlWjKdzdeX5c9fSXTUZeIHY2GoUf70tlRB 9q2qRGl8WH0yvjeiS6FA61hCFCqDWfCt3C7t4qxCKMvpy7Ahk89btH2PximaNUuhrAhx7D6 qNOqk/qifr6rrFQpO3V95zzVK6rrZpYthPhDGkfHgxJmnUX6n9/TQBCFjuvYbW0p+mEiM3t RCK+9nwS2ub8jdCcs0Q7+GpUC0fp34NVE2RTzR0r2wFpuDf8GUEM1IiqxQqunERrw8JTHAQ FOD8yWfGVLnK4uqgQ2E8Jxr1NvhDgi+f7hUVwWpjR2B2A2EmuvgVelIekjvncpji8/v3qLC nIMvRERaeU4VHJNwuC5vsMGCvejK61sAR5BV1etcqjYY0zCQjNpA5JP4IIknWKywDcd1g1H GXoe2GM/egNa1JvLTlj6HLws/FWrSvyBGU+IOkUdP8pW/cApdIXJ+Wy0QeYp866H4wEDF8l AVmtO46JouLmcpiWfFcs9NoK8afm9CeSkRFsS4edbWMhGpQUYZ+5Yu/T72VXGR5bhgkCflr PseJVf2P8UIa2cLWIRsX+WaKcj6c5EkwnhUtDdBqV/wk8Rq6FZvfP9T+JqwIu1QKN5AdosY LMznvyFNICtFHbvkRR5+uJhW067Xcly6feWyufX0xj80pRhczaVvgB805v7ySKw2RxH05+1 uIQfWntKed10C8klbo1TNsXODcnhd6KWXQHwJgo06W2VliDoayiQzr8eSCyJBn4TTuuHcwx y/lMfqconoC9Wy1C4T9rkBx49Boy4DCabpDvSwmE+Z+W5PVyXzVhI9M6JqlVRHK0l3+y4pF 3lVygiTPhvOFukboF58bLqFmQT/W9mG9RSJgztbOzyG8CzHB9I5tD39Pzh9MJaRwpVeVNmv ifKQTSRTc9VX94G094pd3Yp0R6m23OnFPFZmWkpoShDc9TWiBmFuO8jl3f4G7cvcQscMfw1 p7BD/LNOzPGmsNX1rsDJ63eyPCmbsZCXrPzZVENlhc8j+TRd3GF4MwNWFVd6ezseHmQy4yy 3Rhk30S0GztfJxHhi02tri8ZwzWEmL9UPz8wHZRU3ws2PApS8XfE6Gfl7y0rufZOCb2IvG4 Q== X-QQ-XMRINFO: OD9hHCdaPRBwH5bRRRw8tsiH4UAatJqXfg== X-QQ-RECHKSPAM: 0 On Wed Apr 29, 2026 at 10:18 AM CST, Mark Brown wrote: > On Wed, Apr 29, 2026 at 09:38:50AM +0800, Troy Mitchell wrote: >> Add the optional spacemit,fixed-sample-rate property. When multiple I2S >> controllers share a common bclk, this property constrains all >> controllers to the same sample rate. This applies to both K1 and K3 >> SoCs and is only needed when two or more I2S controllers are active >> simultaneously. > > This doesn't seem controller specific, it should be factored out into > the core - the same issue will apply with any system sharing a BCLK. Agreed, this isn't SpacemiT-specific. I'll drop the fixed-sample-rate patches (5/7 and 6/7) from the K3 series to keep things moving, and follow up with a separate series that addresses the shared BCLK constraint at the core level. - Troy