From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 4A9C521A42C; Mon, 7 Apr 2025 17:44:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744047867; cv=none; b=KgywS/Afu7ljybF4lmXQujk43aBFAZq4Lh3KzaMySE9wfjJLwyc8LLgNd7B4b6MYpQ4VVNArOvxIKOHXQqVHfApAARW+m7qKuSZ6Fn5ilC3FnGq3EQPomJGRYG8ekyEsnLMevGThvsLcdnIMPdykm/n5MzHRmi/3Y3QDYaRyHRw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744047867; c=relaxed/simple; bh=7zVyw8dBACn0jbPMoiyXuDYILfE08Q4qXUzBs6PoXIQ=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=YgzMzj++ooIBpvTRwCLD9ug/2tgZGgV4u8kGncGeBNyOKAoMNiMW29ZZC7Tiam7Zr0qUJ4S58DfvzhwWA8WwQrKFc8JMmaxE1sv6hsegjA5irC916Zr8K99QTN6yq+upDn04Jv/PJMedFJr6hXG+/e/rbY9R6yz3ZFE1/4gpSfg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PXL7q/iV; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PXL7q/iV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6486BC4CEDD; Mon, 7 Apr 2025 17:44:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744047866; bh=7zVyw8dBACn0jbPMoiyXuDYILfE08Q4qXUzBs6PoXIQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=PXL7q/iVHF16iYIelGRyJ0X+jvpOeIcd1w/P3IAzcI6dT9KoqugVYED3VssP0vSNh kN9QOBgSD8ikX3v1pZvrNOugHFgoYkkF4Gx+Z30Pnwdupso0SSk/Io14R+pPQx4Mfd mIOhSaS+VyaJff5IJ20ScGDdXbl0LS6k11pf3CC39ZUBacwstJseoj/WI1joWkfQwH RQUXfe6lAROhiiXfjO6xPHrXwIp46MqYgN6YnxAX1ZSgXvgOAsGPavZxTcBts4P3aF nq35fvxQymYR4SS3TCBSrsMd1cHNcZiRvwJETq3zX5IT7bREZbHNcPlVAhvfBf9xQQ 5DPRZ4BapvsuA== Date: Mon, 7 Apr 2025 10:44:24 -0700 From: Jakub Kicinski To: Parvathi Pudi Cc: danishanwar@ti.com, rogerq@kernel.org, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, nm@ti.com, ssantosh@kernel.org, tony@atomide.com, richardcochran@gmail.com, glaroque@baylibre.com, schnelle@linux.ibm.com, m-karicheri2@ti.com, rdunlap@infradead.org, diogo.ivo@siemens.com, basharath@couthit.com, horms@kernel.org, jacob.e.keller@intel.com, m-malladi@ti.com, javier.carrasco.cruz@gmail.com, afd@ti.com, s-anna@ti.com, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, pratheesh@ti.com, prajith@ti.com, vigneshr@ti.com, praneeth@ti.com, srk@ti.com, rogerq@ti.com, krishna@couthit.com, pmohan@couthit.com, mohan@couthit.com Subject: Re: [PATCH net-next v4 00/11] PRU-ICSSM Ethernet Driver Message-ID: <20250407104424.01cc42f2@kernel.org> In-Reply-To: <20250407102528.1048589-1-parvathi@couthit.com> References: <20250407102528.1048589-1-parvathi@couthit.com> 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 Mon, 7 Apr 2025 15:55:17 +0530 Parvathi Pudi wrote: > The Programmable Real-Time Unit Industrial Communication Sub-system (PRU-ICSS) > is available on the TI SOCs in two flavors: Gigabit ICSS (ICSSG) and the older > Megabit ICSS (ICSSM). > > Support for ICSSG Dual-EMAC mode has already been mainlined [1] and the > fundamental components/drivers such as PRUSS driver, Remoteproc driver, > PRU-ICSS INTC, and PRU-ICSS IEP drivers are already available in the mainline > Linux kernel. The current set of patch series builds on top of these components > and introduces changes to support the Dual-EMAC using ICSSM on the TI AM57xx, > AM437x and AM335x devices. > > AM335x, AM437x and AM57xx devices may have either one or two PRU-ICSS instances > with two 32-bit RISC PRU cores. Each PRU core has (a) dedicated Ethernet interface > (MII, MDIO), timers, capture modules, and serial communication interfaces, and > (b) dedicated data and instruction RAM as well as shared RAM for inter PRU > communication within the PRU-ICSS. This was posted prior to the "net-next is OPEN" announcement: https://lore.kernel.org/all/20250407055403.7a8f40df@kernel.org/ In the interest of fairness towards those who correctly wait for the tree to be open I will ask you to repost this again, in a couple of days. Thanks! -- pw-bot: defer