From patchwork Thu Aug 16 07:16:35 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 144319 Delivered-To: patch@linaro.org Received: by 2002:a2e:9754:0:0:0:0:0 with SMTP id f20-v6csp1729331ljj; Thu, 16 Aug 2018 00:17:36 -0700 (PDT) X-Google-Smtp-Source: AA+uWPxjzCPYTFhaoYqZi/+pM7awSKGqXExMDhhb3n2I0qR6j4g7xjHwlvN9PlLcxxEhhjxDmtzJ X-Received: by 2002:a17:902:d807:: with SMTP id a7-v6mr28185928plz.3.1534403856324; Thu, 16 Aug 2018 00:17:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1534403856; cv=none; d=google.com; s=arc-20160816; b=Opt5J3xZNwIQwhyz0r47Iv/Mbb3UVZ31wiLrtigzwyXjoY0uXZJbPs3uVl+LpGVUzM thAbJzHAcXUMwuQCYSVHqh5tzn5qngNR6izIIHODj3tcOAG+BUo0YaQBSYTZB54t6RTe cQShZwLQE0HvP9W25+88nzu8+CO0rrbBWJAK6khD2pUy+iYkYt5pFV/pD7XFomGAb2LV 2FsPDyfalvmC4EtdnfIudl6pzrD5eF4Zde6Rrtbqcwy1z9EHfTP8Ronv5qnE81j2jhMi Y62UOn8naklS/P/mLYbjNCaeFtP02cYkanj5tGjyoHrW1rrKRLjpXtrbjbAIN4UyEThM HTsg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:dkim-signature:dkim-filter :arc-authentication-results; bh=gF5opo/Kiw7WOd87rkvMyhDeYTHftPlTR9SgPTml9ZU=; b=AVgy/Dhh06VCH3+dJ9mqB/O1nrvvNpgKEW2nlfeEzeyaUyauJgHyWYDCFTZ8CVtKJJ SIkxjGryKfk+ypb3vIAR28NtF1eCu1tiHLR9QF/p+v0IiE6LGwbFUpxchpsbHHaHQpX/ jYDKb8n7ryhxBgz23sjD5dQ5VeFVfsdbBls+I9KpwF8hMTHx8Jv+fbEaHmbDz0QoEEwB tP8Cp9E0BpWf+WxB5OAAdcM6jKdT4+sInRZW5TxJKz5WjOF01hoXJ9oAan6vmxaeoZxT ws71tDe/RuW/LwQ4N7xb3FBTbvCunH1Lteph2W+1W5/MS2iJppJWe90vNLHHoJ5avv0j G48w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=MaFvFiVF; spf=pass (google.com: best guess record for domain of linux-mmc-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-mmc-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f12-v6si24878828pgm.601.2018.08.16.00.17.36; Thu, 16 Aug 2018 00:17:36 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-mmc-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=MaFvFiVF; spf=pass (google.com: best guess record for domain of linux-mmc-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-mmc-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389273AbeHPKOB (ORCPT + 5 others); Thu, 16 Aug 2018 06:14:01 -0400 Received: from conuserg-09.nifty.com ([210.131.2.76]:17026 "EHLO conuserg-09.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389123AbeHPKOB (ORCPT ); Thu, 16 Aug 2018 06:14:01 -0400 Received: from grover.tkatk1.zaq.ne.jp (zaqdadce369.zaq.ne.jp [218.220.227.105]) (authenticated) by conuserg-09.nifty.com with ESMTP id w7G7Gu2J008336; Thu, 16 Aug 2018 16:16:59 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-09.nifty.com w7G7Gu2J008336 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1534403819; bh=gF5opo/Kiw7WOd87rkvMyhDeYTHftPlTR9SgPTml9ZU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MaFvFiVF2zskgPyaFWeAoQcyTNOogkNjRVlr3wCSeyfC93xln1OuvtY1ESCxoHFxu 6NqYOlnav6goGujRu6FM1fWKeqehKaP/j+veAcey2HYfs4eUMAX6wLZTZPho7RJkOa HzYPbXHIq8dx/HktLEccau5iNY+1sZ90JwtQFWl64WpOsjUehaJMfkE6QFAb5KhBVk en/vTFdciu/lanJkO+xRl0eL/dgFwoQo3lj6bQfQwZZqeBa0pt7MFoOKigRkUM+9sv YIq9qWHsfQcD4as/xc35Kj4yhS5T+HQI5L1OnVblcyVkq4GNl45kQlC1qHqA9NnMT8 sVzTiZ5NEVBMw== X-Nifty-SrcIP: [218.220.227.105] From: Masahiro Yamada To: linux-mmc@vger.kernel.org, Wolfram Sang Cc: Masami Hiramatsu , Jassi Brar , Ulf Hansson , linux-renesas-soc@vger.kernel.org, Masahiro Yamada Subject: [PATCH v2 3/7] dt-bindings: mmc: add DT binding for UniPhier SD/eMMC controller Date: Thu, 16 Aug 2018 16:16:35 +0900 Message-Id: <1534403799-10594-4-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1534403799-10594-1-git-send-email-yamada.masahiro@socionext.com> References: <1534403799-10594-1-git-send-email-yamada.masahiro@socionext.com> Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org This SD/eMMC controller is used for UniPhier SoC family. Signed-off-by: Masahiro Yamada Reviewed-by: Rob Herring --- Changes in v2: - Rename compatible "socionext,uniphier-sd-v3.1b" to "socionext,uniphier-sd-v3.1.1" .../devicetree/bindings/mmc/uniphier-sd.txt | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/uniphier-sd.txt -- 2.7.4 Acked-by: Wolfram Sang diff --git a/Documentation/devicetree/bindings/mmc/uniphier-sd.txt b/Documentation/devicetree/bindings/mmc/uniphier-sd.txt new file mode 100644 index 0000000..e1d6587 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/uniphier-sd.txt @@ -0,0 +1,55 @@ +UniPhier SD/eMMC controller + +Required properties: +- compatible: should be one of the following: + "socionext,uniphier-sd-v2.91" - IP version 2.91 + "socionext,uniphier-sd-v3.1" - IP version 3.1 + "socionext,uniphier-sd-v3.1.1" - IP version 3.1.1 +- reg: offset and length of the register set for the device. +- interrupts: a single interrupt specifier. +- clocks: a single clock specifier of the controller clock. +- reset-names: should contain the following: + "host" - mandatory for all versions + "bridge" - should exist only for "socionext,uniphier-sd-v2.91" + "hw" - should exist if eMMC hw reset line is available +- resets: a list of reset specifiers, corresponding to the reset-names + +Optional properties: +- pinctrl-names: if present, should contain the following: + "default" - should exist for all instances + "uhs" - should exist for SD instance with UHS support +- pinctrl-0: pin control state for the default mode +- pinctrl-1: pin control state for the UHS mode +- dma-names: should be "rx-tx" if present. + This property can exist only for "socionext,uniphier-sd-v2.91". +- dmas: a single DMA channel specifier + This property can exist only for "socionext,uniphier-sd-v2.91". +- bus-width: see mmc.txt +- cap-sd-highspeed: see mmc.txt +- cap-mmc-highspeed: see mmc.txt +- sd-uhs-sdr12: see mmc.txt +- sd-uhs-sdr25: see mmc.txt +- sd-uhs-sdr50: see mmc.txt +- cap-mmc-hw-reset: should exist if reset-names contains "hw". see mmc.txt +- non-removable: see mmc.txt + +Example: + + sd: sdhc@5a400000 { + compatible = "socionext,uniphier-sd-v2.91"; + reg = <0x5a400000 0x200>; + interrupts = <0 76 4>; + pinctrl-names = "default", "uhs"; + pinctrl-0 = <&pinctrl_sd>; + pinctrl-1 = <&pinctrl_sd_uhs>; + clocks = <&mio_clk 0>; + reset-names = "host", "bridge"; + resets = <&mio_rst 0>, <&mio_rst 3>; + dma-names = "rx-tx"; + dmas = <&dmac 4>; + bus-width = <4>; + cap-sd-highspeed; + sd-uhs-sdr12; + sd-uhs-sdr25; + sd-uhs-sdr50; + };