Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754709Ab3CKXFy (ORCPT ); Mon, 11 Mar 2013 19:05:54 -0400 Received: from mail-oa0-f52.google.com ([209.85.219.52]:48945 "EHLO mail-oa0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754301Ab3CKXFk (ORCPT ); Mon, 11 Mar 2013 19:05:40 -0400 From: Nishanth Menon To: cpufreq Cc: Nishanth Menon , "Rafael J. Wysocki" , Santosh Shilimkar , Shawn Guo , linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-omap@vger.kernel.org Subject: [PATCH 2/2] cpufreq: cpufreq-cpu0: provide compatibility string for DT matchup Date: Mon, 11 Mar 2013 18:05:30 -0500 Message-Id: <1363043130-30270-3-git-send-email-nm@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1363043130-30270-1-git-send-email-nm@ti.com> References: <1363043130-30270-1-git-send-email-nm@ti.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2455 Lines: 71 commit 5553f9e (cpufreq: instantiate cpufreq-cpu0 as a platform_driver) now forces platform device to be registered for allowing cpufreq-cpu0 to be used by SoCs. example: drivers/cpufreq/highbank-cpufreq.c However, for SoCs that wish to link up using device tree, instead of platform device, provide compatibility string match: compatible = "cpufreq,cpu0"; Cc: "Rafael J. Wysocki" Cc: Santosh Shilimkar Cc: Shawn Guo Cc: linux-kernel@vger.kernel.org Cc: cpufreq@vger.kernel.org Cc: linux-pm@vger.kernel.org Cc: linux-omap@vger.kernel.org Signed-off-by: Nishanth Menon --- .../devicetree/bindings/cpufreq/cpufreq-cpu0.txt | 3 +++ drivers/cpufreq/cpufreq-cpu0.c | 6 ++++++ 2 files changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt b/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt index f180963..a5699f0 100644 --- a/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt +++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt @@ -10,6 +10,8 @@ under node /cpus/cpu@0. Required properties: - operating-points: Refer to Documentation/devicetree/bindings/power/opp.txt for details +- compatible: if platform_device is *not* used, should be: + "cpufreq,cpu0" Optional properties: - clock-name: If the clock is not converted to device tree, then describe @@ -24,6 +26,7 @@ Examples: cpus { #address-cells = <1>; #size-cells = <0>; + compatible = "cpufreq,cpu0"; cpu@0 { compatible = "arm,cortex-a9"; diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c index 28223c9..a6f0a9b 100644 --- a/drivers/cpufreq/cpufreq-cpu0.c +++ b/drivers/cpufreq/cpufreq-cpu0.c @@ -277,9 +277,15 @@ static int cpu0_cpufreq_remove(struct platform_device *pdev) return 0; } +static struct of_device_id of_cpu0_cpufreq_match[] = { + { .compatible = "cpufreq,cpu0", }, + { /* end */ } +}; + static struct platform_driver cpu0_cpufreq_platdrv = { .driver = { .name = "cpufreq-cpu0", + .of_match_table = of_cpu0_cpufreq_match, .owner = THIS_MODULE, }, .probe = cpu0_cpufreq_probe, -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/