From patchwork Mon Jan 9 16:46:55 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 9505521 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3FBC4606E1 for ; Mon, 9 Jan 2017 16:49:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 278DB2847F for ; Mon, 9 Jan 2017 16:49:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1A1AE2849A; Mon, 9 Jan 2017 16:49:23 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9D7E82847F for ; Mon, 9 Jan 2017 16:49:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762909AbdAIQs5 (ORCPT ); Mon, 9 Jan 2017 11:48:57 -0500 Received: from mail.free-electrons.com ([62.4.15.54]:38188 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762796AbdAIQrC (ORCPT ); Mon, 9 Jan 2017 11:47:02 -0500 Received: by mail.free-electrons.com (Postfix, from userid 110) id 0DBFF2077A; Mon, 9 Jan 2017 17:47:03 +0100 (CET) Received: from localhost (LFbn-1-2281-83.w90-76.abo.wanadoo.fr [90.76.98.83]) by mail.free-electrons.com (Postfix) with ESMTPSA id D9B04203FE; Mon, 9 Jan 2017 17:47:02 +0100 (CET) From: Maxime Ripard To: Chen-Yu Tsai , Maxime Ripard , Ulf Hansson Cc: Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, Andre Przywara Subject: [PATCH v2 6/6] arm64: allwinner: a64: Increase the MMC max frequency Date: Mon, 9 Jan 2017 17:46:55 +0100 Message-Id: <3689701f93c8426bfa476e9a5f31c3642a8a898e.1483980339.git-series.maxime.ripard@free-electrons.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: References: In-Reply-To: References: Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP All the controllers can have a maximum frequency of 200MHz. Since older SoCs cannot go that high, we cannot change the default maximum frequency, but fortunately for us we have a property for that in the DT. This also has the side effect of allowing to use the MMC HS200 mode for the boards that support it (with either 1.2v or 1.8v IOs). Signed-off-by: Maxime Ripard --- arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 3 +++ 1 file changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index 8e149498e096..f46ae965cf5b 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -332,6 +332,7 @@ resets = <&ccu RST_BUS_MMC0>; reset-names = "ahb"; interrupts = ; + max-frequency = <200000000>; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -345,6 +346,7 @@ resets = <&ccu RST_BUS_MMC1>; reset-names = "ahb"; interrupts = ; + max-frequency = <200000000>; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -358,6 +360,7 @@ resets = <&ccu RST_BUS_MMC2>; reset-names = "ahb"; interrupts = ; + max-frequency = <200000000>; status = "disabled"; #address-cells = <1>; #size-cells = <0>;