From patchwork Thu Aug 23 04:44:17 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 961171 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=socionext.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=nifty.com header.i=@nifty.com header.b="Zv+W+Lz2"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 41wsLH3CPkz9s9N for ; Thu, 23 Aug 2018 14:45:59 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728627AbeHWINn (ORCPT ); Thu, 23 Aug 2018 04:13:43 -0400 Received: from conuserg-09.nifty.com ([210.131.2.76]:47942 "EHLO conuserg-09.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728475AbeHWINe (ORCPT ); Thu, 23 Aug 2018 04:13:34 -0400 Received: from pug.e01.socionext.com (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-09.nifty.com with ESMTP id w7N4ilM3021677; Thu, 23 Aug 2018 13:44:50 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-09.nifty.com w7N4ilM3021677 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1534999490; bh=irfM4grb7r3H/xFLDlDxLdAXFqaAAqRdunBDPSEYffM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Zv+W+Lz2buhRkVdrcgc5dYmbQo+iXA9XYzdBxBR3kBt6FZasxHbmNmZP8uR0lb3oP Qg5IWfNSfzU3ubw2C5zr77cooKEW0EIgbHXXmhIPxbwm7DKcD7z/1sdog9zuZKK3JO tcKx9T5JIppO8dihe5xP/qDLOR3w9QO+qNLYehY8NeBXGXKIlGJv1MoeRz+RrxomnR UoC0zLlTpDO3qn3Mj/Yp7qPbIuNwv7llCCA31dInEDJ3iaq6p39DQ0DsMJeZkEHn/h iVkS3cguq7j1Y1GJk4b+bePTJVFgA8lIvq65bD95c/3Gvn21LQVO4JIiCDUAMGM2a3 qYpWsL73TunDw== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: Wolfram Sang , linux-mmc@vger.kernel.org Cc: Ulf Hansson , linux-renesas-soc@vger.kernel.org, Masami Hiramatsu , Jassi Brar , Masahiro Yamada , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Herring , Mark Rutland , linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 3/6] dt-bindings: mmc: add DT binding for UniPhier SD/eMMC controller Date: Thu, 23 Aug 2018 13:44:17 +0900 Message-Id: <1534999460-15111-4-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1534999460-15111-1-git-send-email-yamada.masahiro@socionext.com> References: <1534999460-15111-1-git-send-email-yamada.masahiro@socionext.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This SD/eMMC controller is used for UniPhier SoC family. Signed-off-by: Masahiro Yamada Reviewed-by: Rob Herring Acked-by: Wolfram Sang --- Changes in v3: None 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 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; + };