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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 C64C9C43387 for ; Tue, 18 Dec 2018 11:33:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8CA5A21850 for ; Tue, 18 Dec 2018 11:33:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.b="m/xol0We" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726716AbeLRLdl (ORCPT ); Tue, 18 Dec 2018 06:33:41 -0500 Received: from mail-wm1-f67.google.com ([209.85.128.67]:39085 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726648AbeLRLdh (ORCPT ); Tue, 18 Dec 2018 06:33:37 -0500 Received: by mail-wm1-f67.google.com with SMTP id f81so2406031wmd.4 for ; Tue, 18 Dec 2018 03:33:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6G+51hXPmeJR9ykNhp8vQ9iLEEAvCO5U6f8uZ2c4pz0=; b=m/xol0WelzUvjOb1T7gtvzM4mgci6M70ZC8FZEHkbXqT8lEvWkJHMDQ9GOpcb19fLE pHJ0uhmcSgSRUac7uioa0q3x2H1FlaNGLGxjFPBlDveAupR+YQkGrckjLrEPfPPy2QPP xUpoBfmp8Zefpkr5jcXvQ2OD1/fv0s7LMGvZM= 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:mime-version:content-transfer-encoding; bh=6G+51hXPmeJR9ykNhp8vQ9iLEEAvCO5U6f8uZ2c4pz0=; b=hnUSaRegCTJ4t1TxfYhfV5G7VO2grHaK0V5PwZIpGzGBIxOuwugHGdpFEfRNirGqyJ +ia6I13RSjUHLMFjpObDtP4yqv4Rw8MLvyHVcNRsgN0U4447p1+Mv85gVQcxzzH/C3Ty WtXI9ElXqVLhEvr1zdq56Bhlgc2c/EfI1mwWQ4vyZkqGRKZensKCppI2IH4UHZXegkTo iKONIQT+GOMl1F+7LXRPjRwV0I9uBnI74vPbpHyARm6xtEQyYd2DYr9KXyhGAHgcRaxQ hzfdnqk3ZI06s/Vx3Rp+xJXEa+ZtAonDohnxzk8WQr5LWhgEbFiacVtyUbgUKirjhMSD MYJg== X-Gm-Message-State: AA+aEWaVEDtaMQfArVtrgnsg7bqCY/IZWkylqRA1VSBM5bG11PEeOYpW lxxWYT0zM5C8YoqMTVctcDp9yA== X-Google-Smtp-Source: AFSGD/VOWlFuoZVOKeDauoI8dplqjyg7Myu1NWvkW4rp7yL8UmE9dMhqeOQS6ejn/ZLTwjoTsx/0wg== X-Received: by 2002:a1c:1286:: with SMTP id 128mr3000248wms.70.1545132815033; Tue, 18 Dec 2018 03:33:35 -0800 (PST) Received: from jagan-XPS-13-9350.homenet.telecomitalia.it (host230-181-static.228-95-b.business.telecomitalia.it. [95.228.181.230]) by smtp.gmail.com with ESMTPSA id h2sm4276184wrv.87.2018.12.18.03.33.33 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 18 Dec 2018 03:33:34 -0800 (PST) From: Jagan Teki To: Yong Deng , Mauro Carvalho Chehab , Maxime Ripard , Rob Herring , Mark Rutland , Chen-Yu Tsai , linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi , linux-amarula@amarulasolutions.com, Michael Trimarchi Cc: Jagan Teki Subject: [PATCH v4 3/6] media: sun6i: Update default CSI_SCLK for A64 Date: Tue, 18 Dec 2018 17:03:17 +0530 Message-Id: <20181218113320.4856-4-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20181218113320.4856-1-jagan@amarulasolutions.com> References: <20181218113320.4856-1-jagan@amarulasolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Unfortunately A64 CSI cannot work with default CSI_SCLK rate. A64 BSP is using 300MHz clock rate as default csi clock, so sun6i_csi require explicit change to update CSI_SCLK rate to 300MHZ for A64 SoC's. So, set the clk_mod to 300MHz only for A64. Signed-off-by: Jagan Teki --- drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c index 9ff61896e4bb..91470edf7581 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c @@ -822,6 +822,11 @@ static int sun6i_csi_resource_request(struct sun6i_csi_dev *sdev, return PTR_ERR(sdev->clk_mod); } + /* A64 require 300MHz mod clock to operate properly */ + if (of_device_is_compatible(pdev->dev.of_node, + "allwinner,sun50i-a64-csi")) + clk_set_rate_exclusive(sdev->clk_mod, 300000000); + sdev->clk_ram = devm_clk_get(&pdev->dev, "ram"); if (IS_ERR(sdev->clk_ram)) { dev_err(&pdev->dev, "Unable to acquire dram-csi clock\n"); -- 2.18.0.321.gffc6fa0e3