From patchwork Thu Sep 2 09:56:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Quadros X-Patchwork-Id: 506865 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 60642C432BE for ; Thu, 2 Sep 2021 09:56:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3EE2B61053 for ; Thu, 2 Sep 2021 09:56:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343773AbhIBJ5d (ORCPT ); Thu, 2 Sep 2021 05:57:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:39444 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343838AbhIBJ53 (ORCPT ); Thu, 2 Sep 2021 05:57:29 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id DA56161053; Thu, 2 Sep 2021 09:56:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1630576591; bh=rfkEFGB6wXC4Vhat677/3SdiQMJ5CiswCpBDyoWEuyA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pMOe5VLsIs//H0NdGEBwTSVx5L+DccA0i2CxCN/PTtcS37dQDQW2gfK+N+2sAGO5Z WdDG+8Sqm6l+No0NmtkW4/o6FCzJD0F3wf7Zrc0FbFkzWEeUuS+1nP8lZY5bJ4/BiL aKJHGTDvKPSAHBE8KuIZwhFyJGYtKy7XGsV9Tdxj65gBzXgqrbImIVxjl87dmPhGfk 6a8CoaQd1JYu+5XS9MZTrk/X7I68nK3P82AqRFhBjWn7hA3x5KbMZ7OZ7/QKCdVEE6 JjHGzqAVJclCG3ebAJRixW75Tmb8ztrpmSC+GZWmog+g7JO3p5Z0LhnAGPyTcs540a cK31RGdI2BdCw== From: Roger Quadros To: tony@atomide.com Cc: robh+dt@kernel.org, krzysztof.kozlowski@canonical.com, miquel.raynal@bootlin.com, nm@ti.com, lokeshvutla@ti.com, devicetree@vger.kernel.org, linux-mtd@lists.infradead.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, Roger Quadros Subject: [PATCH v2 6/6] dt-bindings: net: Remove gpmc-eth.txt Date: Thu, 2 Sep 2021 12:56:09 +0300 Message-Id: <20210902095609.16583-7-rogerq@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210902095609.16583-1-rogerq@kernel.org> References: <20210902095609.16583-1-rogerq@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org There is no GPMC Ethernet compatible or device driver. GPMC is just a bus interface over which devices like Ethernet controller can be to. For SMSC 911x Ethernet chip bindings, please refer to Documentation/devicetree/bindings/net/smsc,lan9115.yaml For GPMC bus timing configuration, please refer to Documentation/devicetree/bindings/memory-controllers/ti,gpmc.yaml Signed-off-by: Roger Quadros --- .../devicetree/bindings/net/gpmc-eth.txt | 97 ------------------- 1 file changed, 97 deletions(-) delete mode 100644 Documentation/devicetree/bindings/net/gpmc-eth.txt diff --git a/Documentation/devicetree/bindings/net/gpmc-eth.txt b/Documentation/devicetree/bindings/net/gpmc-eth.txt deleted file mode 100644 index 5e2f610455fa..000000000000 --- a/Documentation/devicetree/bindings/net/gpmc-eth.txt +++ /dev/null @@ -1,97 +0,0 @@ -Device tree bindings for Ethernet chip connected to TI GPMC - -Besides being used to interface with external memory devices, the -General-Purpose Memory Controller can be used to connect Pseudo-SRAM devices -such as ethernet controllers to processors using the TI GPMC as a data bus. - -Ethernet controllers connected to TI GPMC are represented as child nodes of -the GPMC controller with an "ethernet" name. - -All timing relevant properties as well as generic GPMC child properties are -explained in a separate documents. Please refer to -Documentation/devicetree/bindings/memory-controllers/ti,gpmc.yaml - -For the properties relevant to the ethernet controller connected to the GPMC -refer to the binding documentation of the device. For example, the documentation -for the SMSC 911x is Documentation/devicetree/bindings/net/smsc,lan9115.yaml - -Child nodes need to specify the GPMC bus address width using the "bank-width" -property but is possible that an ethernet controller also has a property to -specify the I/O registers address width. Even when the GPMC has a maximum 16-bit -address width, it supports devices with 32-bit word registers. -For example with an SMSC LAN911x/912x controller connected to the TI GPMC on an -OMAP2+ board, "bank-width = <2>;" and "reg-io-width = <4>;". - -Required properties: -- bank-width: Address width of the device in bytes. GPMC supports 8-bit - and 16-bit devices and so must be either 1 or 2 bytes. -- compatible: Compatible string property for the ethernet child device. -- gpmc,cs-on-ns: Chip-select assertion time -- gpmc,cs-rd-off-ns: Chip-select de-assertion time for reads -- gpmc,cs-wr-off-ns: Chip-select de-assertion time for writes -- gpmc,oe-on-ns: Output-enable assertion time -- gpmc,oe-off-ns: Output-enable de-assertion time -- gpmc,we-on-ns: Write-enable assertion time -- gpmc,we-off-ns: Write-enable de-assertion time -- gpmc,access-ns: Start cycle to first data capture (read access) -- gpmc,rd-cycle-ns: Total read cycle time -- gpmc,wr-cycle-ns: Total write cycle time -- reg: Chip-select, base address (relative to chip-select) - and size of the memory mapped for the device. - Note that base address will be typically 0 as this - is the start of the chip-select. - -Optional properties: -- gpmc,XXX Additional GPMC timings and settings parameters. See - Documentation/devicetree/bindings/memory-controllers/ti,gpmc.yaml - -Example: - -gpmc: gpmc@6e000000 { - compatible = "ti,omap3430-gpmc"; - ti,hwmods = "gpmc"; - reg = <0x6e000000 0x1000>; - interrupts = <20>; - gpmc,num-cs = <8>; - gpmc,num-waitpins = <4>; - #address-cells = <2>; - #size-cells = <1>; - - ranges = <5 0 0x2c000000 0x1000000>; - - ethernet@5,0 { - compatible = "smsc,lan9221", "smsc,lan9115"; - reg = <5 0 0xff>; - bank-width = <2>; - - gpmc,mux-add-data; - gpmc,cs-on-ns = <0>; - gpmc,cs-rd-off-ns = <186>; - gpmc,cs-wr-off-ns = <186>; - gpmc,adv-on-ns = <12>; - gpmc,adv-rd-off-ns = <48>; - gpmc,adv-wr-off-ns = <48>; - gpmc,oe-on-ns = <54>; - gpmc,oe-off-ns = <168>; - gpmc,we-on-ns = <54>; - gpmc,we-off-ns = <168>; - gpmc,rd-cycle-ns = <186>; - gpmc,wr-cycle-ns = <186>; - gpmc,access-ns = <114>; - gpmc,page-burst-access-ns = <6>; - gpmc,bus-turnaround-ns = <12>; - gpmc,cycle2cycle-delay-ns = <18>; - gpmc,wr-data-mux-bus-ns = <90>; - gpmc,wr-access-ns = <186>; - gpmc,cycle2cycle-samecsen; - gpmc,cycle2cycle-diffcsen; - - interrupt-parent = <&gpio6>; - interrupts = <16>; - vmmc-supply = <&vddvario>; - vmmc_aux-supply = <&vdd33a>; - reg-io-width = <4>; - - smsc,save-mac-address; - }; -};