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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 8EF52C10F14 for ; Thu, 3 Oct 2019 16:35:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6296821783 for ; Thu, 3 Oct 2019 16:35:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570120535; bh=yrvj6QEZn4hh+hdM5DHS2jBMNmNJqEh3Pa38HQ+S6AA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=s1uiCysbiLhXM5/3TWl/tLfCFO/yHnFcqfPygS7rWqpM+q9THvZNaQZMHaI6MCoKZ AHoyLYGieupG7VVQUw8Puh5m2FOzrGmyST4nI9mZn5hr1wDrVqvlSLh282L8rtYpyJ 224BI2vrzUnEVCndiz2mcoaML0+yT6aAuZcCMFAU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404276AbfJCQfe (ORCPT ); Thu, 3 Oct 2019 12:35:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:44414 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404264AbfJCQfa (ORCPT ); Thu, 3 Oct 2019 12:35:30 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 410F52070B; Thu, 3 Oct 2019 16:35:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570120529; bh=yrvj6QEZn4hh+hdM5DHS2jBMNmNJqEh3Pa38HQ+S6AA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rhbFgalGOSoQJgrzaOG+CgZv7fMV56/Em5k1XI9tIZpK2B0T6+vFNlkMHz5Q9OK3n W2jcZLt2Haqm8GIR9fViuZN4N/mXb3/pYOHc+ayQWIu4JCXXm6nX/VaslQBS0Hnfsn RRk0Vr0Ya/hDB9XRtW3yz59FPUIy+gdCobpaYg8Y= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Robin Murphy , Liang Chen , Shawn Lin , Heiko Stuebner Subject: [PATCH 5.2 257/313] arm64: dts: rockchip: limit clock rate of MMC controllers for RK3328 Date: Thu, 3 Oct 2019 17:53:55 +0200 Message-Id: <20191003154558.340959381@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191003154533.590915454@linuxfoundation.org> References: <20191003154533.590915454@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Shawn Lin commit 03e61929c0d227ed3e1c322fc3804216ea298b7e upstream. 150MHz is a fundamental limitation of RK3328 Soc, w/o this limitation, eMMC, for instance, will run into 200MHz clock rate in HS200 mode, which makes the RK3328 boards not always boot properly. By adding it in rk3328.dtsi would also obviate the worry of missing it when adding new boards. Fixes: 52e02d377a72 ("arm64: dts: rockchip: add core dtsi file for RK3328 SoCs") Cc: stable@vger.kernel.org Cc: Robin Murphy Cc: Liang Chen Signed-off-by: Shawn Lin Signed-off-by: Heiko Stuebner Signed-off-by: Greg Kroah-Hartman --- arch/arm64/boot/dts/rockchip/rk3328.dtsi | 3 +++ 1 file changed, 3 insertions(+) --- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi @@ -800,6 +800,7 @@ <&cru SCLK_SDMMC_DRV>, <&cru SCLK_SDMMC_SAMPLE>; clock-names = "biu", "ciu", "ciu-drive", "ciu-sample"; fifo-depth = <0x100>; + max-frequency = <150000000>; status = "disabled"; }; @@ -811,6 +812,7 @@ <&cru SCLK_SDIO_DRV>, <&cru SCLK_SDIO_SAMPLE>; clock-names = "biu", "ciu", "ciu-drive", "ciu-sample"; fifo-depth = <0x100>; + max-frequency = <150000000>; status = "disabled"; }; @@ -822,6 +824,7 @@ <&cru SCLK_EMMC_DRV>, <&cru SCLK_EMMC_SAMPLE>; clock-names = "biu", "ciu", "ciu-drive", "ciu-sample"; fifo-depth = <0x100>; + max-frequency = <150000000>; status = "disabled"; };