From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A782DECDE5F for ; Mon, 23 Jul 2018 10:09:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 601FC20854 for ; Mon, 23 Jul 2018 10:09:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linaro.org header.i=@linaro.org header.b="CffCcna6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 601FC20854 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388470AbeGWLKO (ORCPT ); Mon, 23 Jul 2018 07:10:14 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:45178 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388443AbeGWLKI (ORCPT ); Mon, 23 Jul 2018 07:10:08 -0400 Received: by mail-pf1-f195.google.com with SMTP id i26-v6so8648pfo.12 for ; Mon, 23 Jul 2018 03:09:41 -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=iMrql5pChvk0l0OVuaoPU9zdtIybInbwoq7vsafDp1A=; b=CffCcna69M9mIBu8F3DaqT/aURH/Z9hNxoiO8RCU5b5PMlhWLQQv9L7Gj/38sQQDOk vV0cJJd9U86FHXvtVXrGW2SYs+E2vSneAIVEt3861zJg7ZDoOBdocwrX/WO3CdALndK2 rDut3rYidECFgGwUPm3FDxbIXlz9eD+W/+dWY= 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=iMrql5pChvk0l0OVuaoPU9zdtIybInbwoq7vsafDp1A=; b=PQr1rqPAhIgvR8Jn8K4npgON3VfP0HYdeL3jcA2eVvYzZ8i/Puv4Y22VSKx5CadSBp x/+kWkelNGB3HUrECo3f+z3Dn8YVNONCT0Pwb2LXRZt6Or8gFO6RjNWa4gRNjkeF8ET8 69AnmS4ztJYquKwmVBrxAdwWrvIGaI8Ub5e/80N855YvvpOkQ6Je+cZqrgMCnckVuFdp HGUy6ERqfTrjnNOONYE5zsreDqWLPzO6HoC4eSeRwEDScnSsM8kMWvfp55iE0vIIKVHC 9pNaF+kpGdJGtcRSFBZsvyl8QwRD22dTkkZH9THlyE46OkJqpR17CxSj22MJzhzWcEdJ tezg== X-Gm-Message-State: AOUpUlGE+kYukaKZmkh7VopcmVBb+mG9ZxEgdciHuXIE+71luPeSF5bt sgNLyN57EFZRdxq8EnaTcyFuig== X-Google-Smtp-Source: AAOMgpec4hlV4bTq1n8pNJGaof+3oRH5kf4zpHnn4kVEyZYg0l540MxeoCxAIM2lnvBnxBl1rBRJGA== X-Received: by 2002:a62:3545:: with SMTP id c66-v6mr12569338pfa.63.1532340580981; Mon, 23 Jul 2018 03:09:40 -0700 (PDT) Received: from ubt.spreadtrum.com ([117.18.48.102]) by smtp.gmail.com with ESMTPSA id e82-v6sm13470698pfk.87.2018.07.23.03.09.37 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 23 Jul 2018 03:09:40 -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 , zhang.lyra@gmail.com Subject: [PATCH V4 7/7] dt-bindings: sdhci-sprd: Add bindings for the sdhci-sprd controller Date: Mon, 23 Jul 2018 18:08:28 +0800 Message-Id: <1532340508-8749-8-git-send-email-zhang.chunyan@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1532340508-8749-1-git-send-email-zhang.chunyan@linaro.org> References: <1532340508-8749-1-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