From patchwork Wed Jul 10 14:16:10 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Jeffery X-Patchwork-Id: 11038647 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A1CFD13BD for ; Wed, 10 Jul 2019 14:16:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 948BE287DC for ; Wed, 10 Jul 2019 14:16:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 88638289B9; Wed, 10 Jul 2019 14:16:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ED7392897A for ; Wed, 10 Jul 2019 14:16:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727964AbfGJOQf (ORCPT ); Wed, 10 Jul 2019 10:16:35 -0400 Received: from new4-smtp.messagingengine.com ([66.111.4.230]:39081 "EHLO new4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726617AbfGJOQe (ORCPT ); Wed, 10 Jul 2019 10:16:34 -0400 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailnew.nyi.internal (Postfix) with ESMTP id 4CD322048; Wed, 10 Jul 2019 10:16:33 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute4.internal (MEProxy); Wed, 10 Jul 2019 10:16:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aj.id.au; h=from :to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm3; bh=CBeW1SM8dSoW3 ktDhW+oE7jtf7GnEkh6/PWRVmDK+6s=; b=Cn8s7vnOdu0YjIPm4d72tCp4zAfE8 y/LfnMURL2MsJ62Yq+BTslBUTR4ThJVoUQwmPvg+78mLXjalS07fb1t3cgZ0AsHa e5somIEVhTW6IQeGllVoP0kd97tqf95fYFxIrqi8eTocWaEaXh02rj8yZl4m1xgP JdnAQaL8mzSayJBXpVJsg3SxezFwNp1v+pkrdSSfLnpKGquwKhQ4O7Va1NTmWIZi Ra8moqJXmEibwCCzIqb0wsKIXVm7YNFUf1jW+j0Int0ipOlpSdGTfumgr0sDwZ0W s8xtuuP2d2358fAspLn0Kl2vtW921wkNm1Knf3KT+WifBzNllRdrMdOgQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; bh=CBeW1SM8dSoW3ktDhW+oE7jtf7GnEkh6/PWRVmDK+6s=; b=QUdWDuc5 mMAuXaMY57205v8/YMjmu6iONoU1S2MpZByNmSdhS7We6A/d6OiminZghRlxnfKC ftjCsqP2IM3jU1JyoIhUctKaSryyq07DGlLIV8jzMEf0q2XwPmLqIN2sSHgKFt0P sfllNACeDPQ/spVL1Y/lhIHIOpirHVEIAitr9FIqHyViSS9bRm9ClsWOjItbzZkK kcGK3nwqC5h5ookgJJj54wsvOwKDpD0F2Z0Ucd9gkwU+MzttDm8RNBCFPXbYyvYx RlpDE5EKlN+xQjPfqvsiCjXCZ7uEPTF9G/aSN7778OfTDSxOE0x0PdCdqxWIYZUt 0kFgNDZZd+s7nw== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduvddrgeeigdejiecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecunecujfgurhephffvufffkffojghfggfgsedtkeertd ertddtnecuhfhrohhmpeetnhgurhgvficulfgvfhhfvghrhicuoegrnhgurhgvfiesrghj rdhiugdrrghuqeenucffohhmrghinhepuggvvhhitggvthhrvggvrdhorhhgnecukfhppe dugedrvddrkeehrddvvdenucfrrghrrghmpehmrghilhhfrhhomheprghnughrvgifsegr jhdrihgurdgruhenucevlhhushhtvghrufhiiigvpedt X-ME-Proxy: Received: from localhost.localdomain (ppp14-2-85-22.adl-apt-pir-bras31.tpg.internode.on.net [14.2.85.22]) by mail.messagingengine.com (Postfix) with ESMTPA id 72530380075; Wed, 10 Jul 2019 10:16:27 -0400 (EDT) From: Andrew Jeffery To: linux-mmc@vger.kernel.org Cc: Andrew Jeffery , ulf.hansson@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, joel@jms.id.au, adrian.hunter@intel.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, ryanchen.aspeed@gmail.com Subject: [PATCH 1/2] dt-bindings: mmc: Document Aspeed SD controller Date: Wed, 10 Jul 2019 23:46:10 +0930 Message-Id: <20190710141611.21159-2-andrew@aj.id.au> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190710141611.21159-1-andrew@aj.id.au> References: <20190710141611.21159-1-andrew@aj.id.au> MIME-Version: 1.0 Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The ASPEED SD/SDIO/eMMC controller exposes two slots implementing the SDIO Host Specification v2.00, with 1 or 4 bit data buses, or an 8 bit data bus if only a single slot is enabled. Signed-off-by: Andrew Jeffery --- .../bindings/mmc/sdhci-of-aspeed.yaml | 91 +++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/sdhci-of-aspeed.yaml diff --git a/Documentation/devicetree/bindings/mmc/sdhci-of-aspeed.yaml b/Documentation/devicetree/bindings/mmc/sdhci-of-aspeed.yaml new file mode 100644 index 000000000000..e98a2ac4d46d --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/sdhci-of-aspeed.yaml @@ -0,0 +1,91 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/sdhci-of-aspeed.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED SD/SDIO/eMMC Controller + +maintainers: + - Andrew Jeffery + - Ryan Chen + +description: |+ + The ASPEED SD/SDIO/eMMC controller exposes two slots implementing the SDIO + Host Specification v2.00, with 1 or 4 bit data buses, or an 8 bit data bus if + only a single slot is enabled. + + The two slots are supported by a common configuration area. As the SDHCIs for + the slots are dependent on the common configuration area, they are described + as child nodes. + +properties: + compatible: + enum: [ aspeed,ast2400-sdc, aspeed,ast2500-sdc ] + reg: + description: Common configuration registers + ranges: true + clocks: + maxItems: 1 + description: The SD/SDIO controller clock gate + sdhci: + type: object + properties: + compatible: + allOf: + - enum: [ aspeed,ast2400-sdhci, aspeed,ast2500-sdhci ] + - const: sdhci + reg: + description: The SDHCI registers + clocks: + maxItems: 1 + description: The SD bus clock + slot: + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [0, 1] + interrupts: + maxItems: 1 + description: The SD interrupt shared between both slots + required: + - compatible + - reg + - clocks + - slot + - interrupts + +required: + - compatible + - reg + - ranges + - clocks + +examples: + - | + #include + sdc@1e740000 { + compatible = "aspeed,ast2500-sdc"; + reg = <0x1e740000 0x100>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + clocks = <&syscon ASPEED_CLK_GATE_SDCLK>; + + sdhci0: sdhci@1e740100 { + compatible = "aspeed,ast2500-sdhci", "sdhci"; + reg = <0x1e740100 0x100>; + slot = <0>; + interrupts = <26>; + sdhci,auto-cmd12; + clocks = <&syscon ASPEED_CLK_SDIO>; + }; + + sdhci1: sdhci@1e740200 { + compatible = "aspeed,ast2500-sdhci", "sdhci"; + reg = <0x1e740200 0x100>; + slot = <1>; + interrupts = <26>; + sdhci,auto-cmd12; + clocks = <&syscon ASPEED_CLK_SDIO>; + }; + };