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[209.132.180.67]) by mx.google.com with ESMTP id az9-v6si2872319plb.423.2018.08.29.00.05.40; Wed, 29 Aug 2018 00:05:55 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-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=@linaro.org header.s=google header.b=Jr7z9Xrh; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727863AbeH2K7T (ORCPT + 99 others); Wed, 29 Aug 2018 06:59:19 -0400 Received: from mail-pl1-f196.google.com ([209.85.214.196]:42646 "EHLO mail-pl1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727526AbeH2K7T (ORCPT ); Wed, 29 Aug 2018 06:59:19 -0400 Received: by mail-pl1-f196.google.com with SMTP id g23-v6so1880652plq.9 for ; Wed, 29 Aug 2018 00:03:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=/RXtHte8bNFCXLz2sWlB+/MjHMcewoMGpsLw3S8KcCM=; b=Jr7z9XrhU3HrcPk/AT/DjDvnFFmTvleGb0H/furxCuBSYyZzL7uKeWtLUYar+F4IIm Wrt2u60UvZF4n/jHJcSF2kmPpVoRuvu+KpbmsZeWZoPnrxTfLHtVhelmeOLNp4to8NNb 2scOigqUNNicqcWV8Z83dAFah/7kyxkvoRmRg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=/RXtHte8bNFCXLz2sWlB+/MjHMcewoMGpsLw3S8KcCM=; b=ntuAL9LrX8NLPCLu1EG7qc9UdBWR7sDWlXv1q7GThCsyPuGT4XFYcazWicqShyVHAN WpaSnt5ZrJD0oCviHNibN+3b0YdizfbTYSyTlz14VVmLLKIk637MpiIQIcCBmO8SxxqM 67Li2uA6JRR5ZNFA8yUYRIXyfr3gmgmOCYkhg5L3BRxo8OQNAS5LtoYYOpbTapVUqDb8 w4dsiKlfN5lUIXfVaYfWhOK4uYDnj2RsGx/uTpZNBEIK4cyfMqZnznWPCgGQ23s1uOxy 2h2x/zhysLE9qXfqS3EfbrMdpa6yLhVlST/QdXM5lIuapRbWa4z+lZHjePe5V70BiIbC gYMQ== X-Gm-Message-State: APzg51AV3JxvQn1unyHPPdGhzLtsi0Il/spGxBkxIGFpwEo4ABdq+AfG 2cNbe3An/UsKWKMGmTlEiM62+w== X-Received: by 2002:a17:902:7203:: with SMTP id ba3-v6mr4757417plb.179.1535526234254; Wed, 29 Aug 2018 00:03:54 -0700 (PDT) Received: from ubt.spreadtrum.com ([117.18.48.102]) by smtp.gmail.com with ESMTPSA id d81-v6sm4317342pfj.122.2018.08.29.00.03.50 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 29 Aug 2018 00:03:53 -0700 (PDT) From: Chunyan Zhang To: Ulf Hansson , Adrian Hunter Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Orson Zhai , Baolin Wang , Billows Wu , Jason Wu , Chunyan Zhang , Chunyan Zhang Subject: [PATCH V7 9/9] dt-bindings: sdhci-sprd: Add bindings for the sdhci-sprd controller Date: Wed, 29 Aug 2018 15:03:04 +0800 Message-Id: <1535526184-32718-10-git-send-email-zhang.chunyan@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1535526184-32718-1-git-send-email-zhang.chunyan@linaro.org> References: <1535526184-32718-1-git-send-email-zhang.chunyan@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chunyan Zhang This patch adds the device-tree binding documentation for Spreadtrum SDHCI driver. Signed-off-by: Chunyan Zhang --- .../devicetree/bindings/mmc/sdhci-sprd.txt | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/sdhci-sprd.txt diff --git a/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt b/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt new file mode 100644 index 0000000..45c9978 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt @@ -0,0 +1,41 @@ +* Spreadtrum SDHCI controller (sdhci-sprd) + +The Secure Digital (SD) Host controller on Spreadtrum SoCs provides an interface +for MMC, SD and SDIO types of cards. + +This file documents differences between the core properties in mmc.txt +and the properties used by the sdhci-sprd driver. + +Required properties: +- compatible: Should contain "sprd,sdhci-r11". +- reg: physical base address of the controller and length. +- interrupts: Interrupts used by the SDHCI controller. +- clocks: Should contain phandle for the clock feeding the SDHCI controller +- clock-names: Should contain the following: + "sdio" - SDIO source clock (required) + "enable" - gate clock which used for enabling/disabling the device (required) + +Optional properties: +- assigned-clocks: the same with "sdio" clock +- assigned-clock-parents: the default parent of "sdio" clock + +Examples: + +sdio0: sdio@20600000 { + compatible = "sprd,sdhci-r11"; + reg = <0 0x20600000 0 0x1000>; + interrupts = ; + + clock-names = "sdio", "enable"; + clocks = <&ap_clk CLK_EMMC_2X>, + <&apahb_gate CLK_EMMC_EB>; + assigned-clocks = <&ap_clk CLK_EMMC_2X>; + assigned-clock-parents = <&rpll CLK_RPLL_390M>; + + bus-width = <8>; + non-removable; + no-sdio; + no-sd; + cap-mmc-hw-reset; + status = "okay"; +}; -- 2.7.4