From patchwork Fri Oct 13 17:21:18 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 115817 Delivered-To: patch@linaro.org Received: by 10.140.22.163 with SMTP id 32csp976359qgn; Fri, 13 Oct 2017 10:25:02 -0700 (PDT) X-Google-Smtp-Source: AOwi7QAkZ6LyTO+vGRf2VA5CZBIcd3u1Dn1KmJ4OuDijGXmHTa2xVY7GcJCOi57Rd8A4OGKsVrMY X-Received: by 10.80.147.16 with SMTP id m16mr3038053eda.121.1507915502574; Fri, 13 Oct 2017 10:25:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1507915502; cv=none; d=google.com; s=arc-20160816; b=veyuzKAvs5N965zEha77bRF7CThB7pvClYSt8V+S0GyHp0r1uHRw+Cdj4wbcF7vDLw c4T9vOxSm5D0vMLkLxWchtr3Ds+ng4cDad2UGzB5q4sTjT92R4t57SEh4rXGw3/6roTV FZvMBCe9lBlw9OqFt5hsEyYYVliL8VkeyqJ1sIOqrzrqnVQn5AsCzxaj3N16yHrznmbE nHhCCM3D+O7kY5H6k9e1VG+DCiS4Iwged4ps/wdXWRFwnNKMJKYbYfBoy1CVY4skep6f XKv4QsVauseOSrsELDifruVBJVSjgp6Ku2bQGdx/a0/SSfUENRcZm+4mTv42J4iKcMM6 ZRtg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:cc:references:in-reply-to:message-id :date:to:from:dkim-signature:dkim-filter:arc-authentication-results; bh=8i9FAWKkNo0t10ULxmGm3xwJ69X1PG00ozPIaaM+dMU=; b=REThvprefCslttPFvEqkpuP1xYIli8RvUmPNY2s/NpEmhJWCYEiBpiUDOdXIXTYGpu ++p8AInONEnRxe5btCKE/tX26W4QMWJX+pAJjR7yzH1vEQht0RnarZBhLXvZg6gADIpA ctPSEGy9xtrHESAvqj3ATjQws/EYUqvhlwOLscPFB7ZbQAWeJmYP15kA54uz8//ZRQ38 xl6ZOvwVwAM1x4cBBdR2Ah0pd/ATNcu0pvCwY6Vbr221Ip5VL0qwydtqs3FCrSUOXSgw WKxPy4hxYDe1gUlhqMxo3/dKIF31MB8VRqiiSNFnH4WRaN0bWg6OsqeJq3uisP/bJqTD DzwQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=neutral (body hash did not verify) header.i=@nifty.com header.s=dec2015msa header.b=anrktL+Q; spf=pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) smtp.mailfrom=u-boot-bounces@lists.denx.de Return-Path: Received: from lists.denx.de (dione.denx.de. [81.169.180.215]) by mx.google.com with ESMTP id r44si1379269edr.204.2017.10.13.10.25.02; Fri, 13 Oct 2017 10:25:02 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) client-ip=81.169.180.215; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@nifty.com header.s=dec2015msa header.b=anrktL+Q; spf=pass (google.com: best guess record for domain of u-boot-bounces@lists.denx.de designates 81.169.180.215 as permitted sender) smtp.mailfrom=u-boot-bounces@lists.denx.de Received: by lists.denx.de (Postfix, from userid 105) id 27F8BC2205B; Fri, 13 Oct 2017 17:23:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id EEE38C22024; Fri, 13 Oct 2017 17:23:50 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id B41F9C2202E; Fri, 13 Oct 2017 17:23:22 +0000 (UTC) Received: from conuserg-08.nifty.com (conuserg-08.nifty.com [210.131.2.75]) by lists.denx.de (Postfix) with ESMTPS id EA610C22024 for ; Fri, 13 Oct 2017 17:23:18 +0000 (UTC) Received: from grover.sesame (FL1-122-131-185-176.osk.mesh.ad.jp [122.131.185.176]) (authenticated) by conuserg-08.nifty.com with ESMTP id v9DHMXph019395; Sat, 14 Oct 2017 02:22:34 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-08.nifty.com v9DHMXph019395 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1507915354; bh=VrjODINcIQP0xFjFNtruLc0Xi1vlki4eeeReIjYbG2c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=anrktL+Q/1OjUg35a6vD6ZKARhkZDcgNp5egsdsVGGWeSncvLk0XUVkjzuqA8LosU xfy7jtppra4lVQDAFfji/C1eQbE4rWxTcAEHdm576FHI1CkImPMA/1dvFYkNpSukG3 GEnOdBfVNhNV79b1skEY91RV04gGd6uTUXi3z0ezpec+IAmhQOAZn0tC5UZ9hQlf6+ BQkkNj701hHLtSGhvSz8F49TObuT1PG/qOPVN2Q8hejmahIVFYUhsJjPHmqd5zBKuz 98Aryubb1RYhqr8TLiL1ieoQsL8x2B/ieVLlNuVCDfvhZj2fUcS+Z+o9d7shAaX7w0 HB+RCjVL0kmKw== X-Nifty-SrcIP: [122.131.185.176] From: Masahiro Yamada To: u-boot@lists.denx.de Date: Sat, 14 Oct 2017 02:21:18 +0900 Message-Id: <1507915279-25058-3-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1507915279-25058-1-git-send-email-yamada.masahiro@socionext.com> References: <1507915279-25058-1-git-send-email-yamada.masahiro@socionext.com> Cc: Scott Wood , Scott Wood Subject: [U-Boot] [PATCH 3/4] mtd: nand: denali_dt: add clock support X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Enable clock in the probe hook. The clock rate will be necessary when setup_data_interface hook is supported. Signed-off-by: Masahiro Yamada --- drivers/mtd/nand/denali.h | 1 + drivers/mtd/nand/denali_dt.c | 12 ++++++++++++ 2 files changed, 13 insertions(+) diff --git a/drivers/mtd/nand/denali.h b/drivers/mtd/nand/denali.h index 08db488..f796f0d 100644 --- a/drivers/mtd/nand/denali.h +++ b/drivers/mtd/nand/denali.h @@ -435,6 +435,7 @@ struct nand_buf { struct denali_nand_info { struct nand_chip nand; + unsigned long clk_x_rate; /* bus interface clock rate */ int flash_bank; /* currently selected chip */ int status; int platform; diff --git a/drivers/mtd/nand/denali_dt.c b/drivers/mtd/nand/denali_dt.c index 4afd679..805c066 100644 --- a/drivers/mtd/nand/denali_dt.c +++ b/drivers/mtd/nand/denali_dt.c @@ -6,6 +6,7 @@ */ #include +#include #include #include #include @@ -52,6 +53,7 @@ static int denali_dt_probe(struct udevice *dev) { struct denali_nand_info *denali = dev_get_priv(dev); const struct denali_dt_data *data; + struct clk clk; struct resource res; int ret; @@ -73,6 +75,16 @@ static int denali_dt_probe(struct udevice *dev) denali->flash_mem = devm_ioremap(dev, res.start, resource_size(&res)); + ret = clk_get_by_index(dev, 0, &clk); + if (ret) + return ret; + + ret = clk_enable(&clk); + if (ret) + return ret; + + denali->clk_x_rate = clk_get_rate(&clk); + return denali_init(denali); }