From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lucas Stach Subject: [PATCH 5/5] ARM: imx53: add cpufreq support Date: Fri, 19 Sep 2014 18:16:21 +0200 Message-ID: <1411143381-10516-6-git-send-email-l.stach@pengutronix.de> References: <1411143381-10516-1-git-send-email-l.stach@pengutronix.de> Return-path: Received: from metis.ext.pengutronix.de ([92.198.50.35]:48981 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757190AbaISQQx (ORCPT ); Fri, 19 Sep 2014 12:16:53 -0400 In-Reply-To: <1411143381-10516-1-git-send-email-l.stach@pengutronix.de> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: Shawn Guo , Viresh Kumar Cc: "Rafael J. Wysocki" , linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, kernel@pengutronix.de Instanciate the platform device for the generic cpufreq-cpu0 driver and add all required properties to the DT. Signed-off-by: Lucas Stach --- arch/arm/boot/dts/imx53.dtsi | 13 ++++++++++++- arch/arm/mach-imx/mach-imx53.c | 4 ++++ 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi index 64fa27b36be0..bd5226a7ea20 100644 --- a/arch/arm/boot/dts/imx53.dtsi +++ b/arch/arm/boot/dts/imx53.dtsi @@ -46,10 +46,21 @@ cpus { #address-cells = <1>; #size-cells = <0>; - cpu@0 { + cpu0: cpu@0 { device_type = "cpu"; compatible = "arm,cortex-a8"; reg = <0x0>; + clocks = <&clks IMX5_CLK_ARM>; + clock-latency = <61036>; + voltage-tolerance = <5>; + operating-points = < + /* kHz */ + 166666 850000 + 400000 900000 + 800000 1050000 + 1000000 1200000 + 1200000 1300000 + >; }; }; diff --git a/arch/arm/mach-imx/mach-imx53.c b/arch/arm/mach-imx/mach-imx53.c index 03dd6ea13acc..4eb6849c52d2 100644 --- a/arch/arm/mach-imx/mach-imx53.c +++ b/arch/arm/mach-imx/mach-imx53.c @@ -38,9 +38,13 @@ static void __init imx53_dt_init(void) imx_aips_allow_unprivileged_access("fsl,imx53-aipstz"); } +static struct platform_device imx53_cpufreq_pdev = { .name = "cpufreq-cpu0", }; + static void __init imx53_init_late(void) { imx53_pm_init(); + + platform_device_register(&imx53_cpufreq_pdev); } static const char * const imx53_dt_board_compat[] __initconst = { -- 2.1.0