From patchwork Tue Dec 17 01:40:15 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Tobias X-Patchwork-Id: 3358201 Return-Path: X-Original-To: patchwork-linux-mmc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 59A05C0D4A for ; Tue, 17 Dec 2013 01:40:19 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 99252202E5 for ; Tue, 17 Dec 2013 01:40:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CE51B202DD for ; Tue, 17 Dec 2013 01:40:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751834Ab3LQBkQ (ORCPT ); Mon, 16 Dec 2013 20:40:16 -0500 Received: from mail-ob0-f181.google.com ([209.85.214.181]:64524 "EHLO mail-ob0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751019Ab3LQBkP (ORCPT ); Mon, 16 Dec 2013 20:40:15 -0500 Received: by mail-ob0-f181.google.com with SMTP id uy5so5703177obc.40 for ; Mon, 16 Dec 2013 17:40:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=zgvi944Vus06A7nh/w6y9rjTEZ69USKliYmTcfrE0Bw=; b=FUsqtjm8oGTUnNY4Zcb6CaaLaJZ/2ACfYBwf+X+ApEqAmVbJO7P7VvIck8q3yoQJaH 9fuXqDhL+p47UtgMzpRX0R9XeO7usoJBHhvgC7QcZusCgskQO+0GvCUAB33UDTfGayx3 Inkzljzgr6yvyqZ+YvHPDoP/tkSgeyI1HSu0KAkj8xd2a4n2L0BWRCIokO9w9g3AlFyb yioeXxmfouYlCr1n7MGCHwNpK1k55+Hzi72l248YY4FFrRSklG6TgHVMzFN5EjwI5DiT rz1okpbmhHOXYlFyNSnOrYUEwnTyIu5mjBLwaD5nePb1hMBK/lZjh9ialWxvlLkL7LLg pJKw== MIME-Version: 1.0 X-Received: by 10.182.29.98 with SMTP id j2mr13896347obh.30.1387244415238; Mon, 16 Dec 2013 17:40:15 -0800 (PST) Received: by 10.60.36.166 with HTTP; Mon, 16 Dec 2013 17:40:15 -0800 (PST) Date: Mon, 16 Dec 2013 17:40:15 -0800 Message-ID: Subject: [PATCH 1/3]: Support cpu frequency scaling and power management for iMX6SL From: John Tobias To: linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org, Shawn Guo , Fabio Estevam , Chris Ball Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Spam-Status: No, score=-7.3 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP iMX6SL device tree doesn't have a configuration settings to enable the frequency scaling and power management. From: John Tobias }; --- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi index 28558f1..0ad2f6a 100644 --- a/arch/arm/boot/dts/imx6sl.dtsi +++ b/arch/arm/boot/dts/imx6sl.dtsi @@ -38,6 +38,19 @@ device_type = "cpu"; reg = <0x0>; next-level-cache = <&L2>; + operating-points = < + /* kHz uV */ + 1000000 1275000 + 792000 1150000 + >; + clock-latency = <61036>; /* two CLK32 periods */ + clocks = <&clks IMX6SL_CLK_ARM>, <&clks IMX6SL_CLK_PLL2_PFD2>, <&clks IMX6SL_CLK_STEP>, + <&clks IMX6SL_CLK_PLL1_SW>, <&clks IMX6SL_CLK_PLL1_SYS>; + clock-names = "arm", "pll2_pfd2_396m", "step", + "pll1_sw", "pll1_sys"; + arm-supply = <®_arm>; + pu-supply = <®_pu>; + soc-supply = <®_soc>; };