From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from hall.aurel32.net (hall.aurel32.net [195.154.119.183]) (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 19BC13B3BEF; Sun, 30 Aug 2026 17:25:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.154.119.183 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788110722; cv=none; b=q4FRvRsegkaWIe+wk1Dd96FcM3y7+S0Lz59JdIq3JP6Z7aAFQbIqTutgODLdP+L2gOS9yXlLe/z3svSIG76C0rWP4gCW5F95xss3v0Bdb2vLBW5Cbr1zSJ9pzRzOou0gyV0fk5ksVcpgDd1Uslvv6yWpfUj/kgvIUfwwuhRGsLI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788110722; c=relaxed/simple; bh=7Kcxt4n4z1wUxpiPg8IIO3Kpa7/+jVPmblGMAR1TAAk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=l6xazcc6JT/jCWRSuKOtNShFkL9nGCQ1WEVORFdPsGBlEKm1ZlZyL5+qVYkJS72LI0ucgGEKE5/1eS7yQ9rV5W/tstlUj/noF76vmw7wQJTqJW7/BsXvF912xI1vAsCev+VWhs7C8lxtAyzxUwb4Y8YUFZ+jJaaO2LUjbQ1zP5I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=aurel32.net; spf=pass smtp.mailfrom=aurel32.net; dkim=pass (2048-bit key) header.d=aurel32.net header.i=@aurel32.net header.b=GAo4sAYp; arc=none smtp.client-ip=195.154.119.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=aurel32.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aurel32.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=aurel32.net header.i=@aurel32.net header.b="GAo4sAYp" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=aurel32.net ; s=202004.hall; h=In-Reply-To:Content-Type:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Content-Transfer-Encoding:From:Reply-To: Subject:Content-ID:Content-Description:X-Debbugs-Cc; bh=QQV/uWRS7tgfezg/sawm+VTmjnW6NBkrHD0CZvG0/go=; b=GAo4sAYpo7eX+8qk04GvnaEk2z dbpNKa9EoHp7mQBVIhlLLlmUa0NwEBc1NxubyY67SeWjNyitZcQEUV/9hT9aUOt5Grh9l7qFn7cwh 1Gs6b+DS7TTczjg1kkWSozcp1/upncYkp1siitfK9BbGgE4MqEmdpJKAGHpRofd3PhsJia4kHTyL2 e3tkOjG/vRbllxlYen5j2JFJrK4QpjK1CBNnRs8pHNCXsrK49IfeOZYI6+iTUYovjP0/8jfqKeDRU DI+w7pWD98ZT49yqwjpwnQBfWakzDgsk4oMpQj350IMPq+uMeXT7m4YciFKgvdpqtqlAF0CgmWpv2 RxSz7S2w==; Received: from authenticated user by hall.aurel32.net with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1x0jHF-0000000ACVU-0Zvn; Sun, 30 Aug 2026 19:25:05 +0200 Date: Sun, 30 Aug 2026 19:25:04 +0200 From: Aurelien Jarno To: Troy Mitchell Cc: Michael Turquette , Stephen Boyd , Brian Masney , Yixun Lan , Inochi Amaoto , Alex Elder , Haylen Chu , linux-clk@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Subject: Re: [PATCH v2] clk: spacemit: k3: add 1.8 GHz PLL5 and PLL8 rates Message-ID: Mail-Followup-To: Troy Mitchell , Michael Turquette , Stephen Boyd , Brian Masney , Yixun Lan , Inochi Amaoto , Alex Elder , Haylen Chu , linux-clk@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti References: <20260810-k3-pll5-pll8-1800mhz-v2-1-aabff510a797@linux.spacemit.com> Precedence: bulk X-Mailing-List: spacemit@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260810-k3-pll5-pll8-1800mhz-v2-1-aabff510a797@linux.spacemit.com> User-Agent: Mutt/2.4.1 (2026-07-04) Hi Troy, On 2026-08-10 16:46, Troy Mitchell wrote: > K3 boot firmware configures the C2 and C3 CPU clock domains at > 1.8 GHz. PLL5 feeds C2 and PLL8 feeds C3, but their rate tables > currently contain only the 2 GHz overclocking operating point. > > Add the nominal 1.8 GHz configuration as the first entry in both > tables. This lets determine_rate() and set_rate() select the firmware > operating point while retaining 2 GHz as a supported overclocking rate. > > Signed-off-by: Troy Mitchell > --- > The related U-Boot change is available at: > https://github.com/spacemit-com/uboot-2022.10/commit/fb95cf3d848b771c61b5a1b3e5cbbee223faf352 > --- > Changes in v2: > - Drop "clk: spacemit: re-enable PLLs after init"; the PLL init issue > will be handled in a separate series. > - Send the K3 PLL5 and PLL8 1.8 GHz rate-table update as a standalone > patch. > - Clarify that 1.8 GHz is nominal and 2 GHz is an overclocking rate. > - Link to v1: https://patch.msgid.link/20260804-k3-pll5-pll8-1800mhz-v1-0-a3a75866ce32@linux.spacemit.com This make sense and looks good: Reviewed-by: Aurelien Jarno Tested-by: Aurelien Jarno I wonder if it should be backported to stable, as users will deploy newer firmware. Regards Aurelien -- Aurelien Jarno GPG: 4096R/1DDD8C9B aurelien@aurel32.net http://aurel32.net