From patchwork Mon Mar 14 21:31:38 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Packham X-Patchwork-Id: 551510 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3CE0EC433F5 for ; Mon, 14 Mar 2022 21:32:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245321AbiCNVdb (ORCPT ); Mon, 14 Mar 2022 17:33:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39724 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245266AbiCNVdX (ORCPT ); Mon, 14 Mar 2022 17:33:23 -0400 Received: from gate2.alliedtelesis.co.nz (gate2.alliedtelesis.co.nz [IPv6:2001:df5:b000:5::4]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A56D033A38 for ; Mon, 14 Mar 2022 14:32:12 -0700 (PDT) Received: from svr-chch-seg1.atlnz.lc (mmarshal3.atlnz.lc [10.32.18.43]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by gate2.alliedtelesis.co.nz (Postfix) with ESMTPS id 5F02A2C049B; Mon, 14 Mar 2022 21:32:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alliedtelesis.co.nz; s=mail181024; t=1647293527; bh=tk1E4VagxLubGQCwJVnsW/0dqlT2PhJSY91Py3AQRjI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aLFHu1LVVtnH+HDj69dWPBHDKFzQ9qkU+Uo5GrBMMLanflF/rRV63kqqTrtg2pu7L UrD9BsyniTBZ4i0blG0Qg2EniPkOkMPeJz5UfkF71voYP7NZxzBMAtjZwMM8w8BoZe jaAytWpz8SywlrnIwm9TiWDyLxhSPNZqK0xzII9D3b6mTvOREe9Sg8XZq51nPVnwV+ c0yU8wqimYp+xz/+W5dKd0wmJvf670O8wySRi5/Fy6v8q9BJamfkREXX49mpbyXpVI M7v8mJYhoHfDk13bUGwgq6AX2jfbdNN+Yqi/1vg44lQcKOTJWCNpkMz0eSLvUnonJ5 wMNt6Q+HIrr9A== Received: from pat.atlnz.lc (Not Verified[10.32.16.33]) by svr-chch-seg1.atlnz.lc with Trustwave SEG (v8,2,6,11305) id ; Tue, 15 Mar 2022 10:32:07 +1300 Received: from chrisp-dl.ws.atlnz.lc (chrisp-dl.ws.atlnz.lc [10.33.22.30]) by pat.atlnz.lc (Postfix) with ESMTP id 0D90D13EE8E; Tue, 15 Mar 2022 10:32:07 +1300 (NZDT) Received: by chrisp-dl.ws.atlnz.lc (Postfix, from userid 1030) id E8A162A2678; Tue, 15 Mar 2022 10:32:03 +1300 (NZDT) From: Chris Packham To: huziji@marvell.com, ulf.hansson@linaro.org, robh+dt@kernel.org, davem@davemloft.net, kuba@kernel.org, linus.walleij@linaro.org, catalin.marinas@arm.com, will@kernel.org, andrew@lunn.ch, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com, adrian.hunter@intel.com, thomas.petazzoni@bootlin.com, kostap@marvell.com, robert.marko@sartura.hr Cc: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Chris Packham Subject: [PATCH v2 3/8] dt-bindings: mmc: xenon: add AC5 compatible string Date: Tue, 15 Mar 2022 10:31:38 +1300 Message-Id: <20220314213143.2404162-4-chris.packham@alliedtelesis.co.nz> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220314213143.2404162-1-chris.packham@alliedtelesis.co.nz> References: <20220314213143.2404162-1-chris.packham@alliedtelesis.co.nz> MIME-Version: 1.0 X-SEG-SpamProfiler-Analysis: v=2.3 cv=Cfh2G4jl c=1 sm=1 tr=0 a=KLBiSEs5mFS1a/PbTCJxuA==:117 a=o8Y5sQTvuykA:10 a=ZuYvX9HxE-CSu40lHJ4A:9 X-SEG-SpamProfiler-Score: 0 x-atlnz-ls: pat Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Import binding documentation from the Marvell SDK which adds marvell,ac5-sdhci compatible string and documents the requirements for the for the Xenon SDHCI controller on the 98DX2530. Signed-off-by: Chris Packham --- Notes: Changes in v2: - New .../bindings/mmc/marvell,xenon-sdhci.txt | 52 +++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/marvell,xenon-sdhci.txt b/Documentation/devicetree/bindings/mmc/marvell,xenon-sdhci.txt index c51a62d751dc..43df466f0cb3 100644 --- a/Documentation/devicetree/bindings/mmc/marvell,xenon-sdhci.txt +++ b/Documentation/devicetree/bindings/mmc/marvell,xenon-sdhci.txt @@ -14,6 +14,7 @@ Required Properties: - "marvell,armada-ap806-sdhci": For controllers on Armada AP806. - "marvell,armada-ap807-sdhci": For controllers on Armada AP807. - "marvell,armada-cp110-sdhci": For controllers on Armada CP110. + - "marvell,ac5-sdhci": For CnM on AC5, AC5X and derived. - clocks: Array of clocks required for SDHC. @@ -33,6 +34,13 @@ Required Properties: in below. Please also check property marvell,pad-type in below. + * For "marvell,ac5-sdhci", one or two register areas. + (reg-names "ctrl" & "decoder"). + The first one is mandatory for the Xenon IP registers. + The second one is for systems where DMA mapping is required and is the + related address decoder register (the value to configure is derived from + the parent "dma-ranges"). + * For other compatible strings, one register area for Xenon IP. Optional Properties: @@ -171,3 +179,47 @@ Example: marvell,pad-type = "sd"; }; + + +- For eMMC with compatible "marvell,ac5-sdhci" with one reg range (no dma): + sdhci0: sdhci@805c0000 { + compatible = "marvell,ac5-sdhci"; + reg = <0x0 0x805c0000 0x0 0x300>; + reg-names = "ctrl", "decoder"; + interrupts = ; + clocks = <&core_clock>; + clock-names = "core"; + status = "okay"; + bus-width = <8>; + /*marvell,xenon-phy-slow-mode;*/ + non-removable; + mmc-ddr-1_8v; + mmc-hs200-1_8v; + mmc-hs400-1_8v; + }; + +- For eMMC with compatible "marvell,ac5-sdhci" with two reg ranges (with dma): + mmc_dma: mmc-dma-peripherals@80500000 { + compatible = "simple-bus"; + #address-cells = <0x2>; + #size-cells = <0x2>; + ranges; + dma-ranges = <0x2 0x0 0x2 0x80000000 0x1 0x0>; + dma-coherent; + + sdhci0: sdhci@805c0000 { + compatible = "marvell,ac5-sdhci", "marvell,armada-ap806-sdhci"; + reg = <0x0 0x805c0000 0x0 0x300>, <0x0 0x80440230 0x0 0x4>; + reg-names = "ctrl", "decoder"; + interrupts = ; + clocks = <&core_clock>; + clock-names = "core"; + status = "okay"; + bus-width = <8>; + /*marvell,xenon-phy-slow-mode;*/ + non-removable; + mmc-ddr-1_8v; + mmc-hs200-1_8v; + mmc-hs400-1_8v; + }; + };