From patchwork Wed Mar 18 13:32:09 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Georgi Djakov X-Patchwork-Id: 6039341 Return-Path: X-Original-To: patchwork-linux-arm-msm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 65EFE9F318 for ; Wed, 18 Mar 2015 13:39:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8B4D4204FF for ; Wed, 18 Mar 2015 13:39:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 971C7204EC for ; Wed, 18 Mar 2015 13:39:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933275AbbCRNiw (ORCPT ); Wed, 18 Mar 2015 09:38:52 -0400 Received: from mail-wg0-f46.google.com ([74.125.82.46]:34630 "EHLO mail-wg0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933001AbbCRNcG (ORCPT ); Wed, 18 Mar 2015 09:32:06 -0400 Received: by wggv3 with SMTP id v3so35467509wgg.1 for ; Wed, 18 Mar 2015 06:32:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=WGDJI9hHaEmKmRp7TS1jdSkCBoK3zZweWUUReyrDJq4=; b=OwisNeapVxeIjAPNmAY0CWZg46KT0QOOovZhEoTY18hOic/jXi+15R789DyalkyHsW rbIlq3pIc1uWEFZB8atPEi0LP/xM0VhFebm2VA/fy4ADtGcQTIX5Ixs1lHJmqFDyh1MK xfsfneAMnC2wbbqcl4WT+OTrEuasCZlgbXgWGH6sJsOGFzWZEOV0Nekqli5tgcinc0cZ NWHHbQupLmhqqHk21JKHcMpotgrlypr3W3mAHaGKbtiIWVhIutq0ajWeueJcTWtUe+jX bcW84txcbBj4yiE+ZwZgzhn0wmLBfNpMuMgtoV4hwk7QFoTl4Nx+CyJ9W+Bo10Xf6uA9 o3NA== X-Gm-Message-State: ALoCoQltoisx7kV2CNroVpgKUeJ2A91D75HjbEt/mOdyPJNr4FzYSAAbOA2xJCAQ/M+gXiWa50ka X-Received: by 10.180.96.197 with SMTP id du5mr7201973wib.68.1426685525162; Wed, 18 Mar 2015 06:32:05 -0700 (PDT) Received: from mms.wifi.mm-sol.com ([37.157.136.206]) by mx.google.com with ESMTPSA id cf12sm24531838wjb.10.2015.03.18.06.32.03 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 18 Mar 2015 06:32:04 -0700 (PDT) From: Georgi Djakov To: sboyd@codeaurora.org, mturquette@linaro.org Cc: galak@codeaurora.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [PATCH v1 3/9] clk: qcom: Introduce parent_map tables Date: Wed, 18 Mar 2015 15:32:09 +0200 Message-Id: <1426685535-25071-4-git-send-email-georgi.djakov@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1426685535-25071-1-git-send-email-georgi.djakov@linaro.org> References: <1426685535-25071-1-git-send-email-georgi.djakov@linaro.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable 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 Define a parent_map struct to describe the relations between PLL source index and register configuration value. Add a qcom_find_src_index() function for finding the index of a clock matching the specific PLL configuration Signed-off-by: Georgi Djakov --- drivers/clk/qcom/clk-rcg.h | 11 +++++++++++ drivers/clk/qcom/common.c | 17 +++++++++++++++++ drivers/clk/qcom/common.h | 2 ++ 3 files changed, 30 insertions(+) -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" 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/drivers/clk/qcom/clk-rcg.h b/drivers/clk/qcom/clk-rcg.h index d09d06ba278e..6d94d5300e9e 100644 --- a/drivers/clk/qcom/clk-rcg.h +++ b/drivers/clk/qcom/clk-rcg.h @@ -26,6 +26,17 @@ struct freq_tbl { }; /** + * struct parent_map - map table for PLL source select configuration values + * + * @src: source PLL + * @cfg: configuration value + */ +struct parent_map { + u8 src; + u8 cfg; +}; + +/** * struct mn - M/N:D counter * @mnctr_en_bit: bit to enable mn counter * @mnctr_reset_bit: bit to assert mn counter reset diff --git a/drivers/clk/qcom/common.c b/drivers/clk/qcom/common.c index e20d947db3e5..a946b48f2d82 100644 --- a/drivers/clk/qcom/common.c +++ b/drivers/clk/qcom/common.c @@ -43,6 +43,23 @@ struct freq_tbl *qcom_find_freq(const struct freq_tbl *f, unsigned long rate) } EXPORT_SYMBOL_GPL(qcom_find_freq); +int qcom_find_src_index(const struct parent_map *map, u8 src) +{ + int i = 0; + + if (!map) + return -EINVAL; + + do { + if (src == map->src) + return i; + i++; + } while (map++); + + return -ENOENT; +} +EXPORT_SYMBOL_GPL(qcom_find_src_index); + struct regmap * qcom_cc_map(struct platform_device *pdev, const struct qcom_cc_desc *desc) { diff --git a/drivers/clk/qcom/common.h b/drivers/clk/qcom/common.h index f519322acdf3..b3d7e5716f5e 100644 --- a/drivers/clk/qcom/common.h +++ b/drivers/clk/qcom/common.h @@ -19,6 +19,7 @@ struct clk_regmap; struct qcom_reset_map; struct regmap; struct freq_tbl; +struct parent_map; struct qcom_cc_desc { const struct regmap_config *config; @@ -30,6 +31,7 @@ struct qcom_cc_desc { extern const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f, unsigned long rate); +extern int qcom_find_src_index(const struct parent_map *map, u8 src); extern struct regmap *qcom_cc_map(struct platform_device *pdev, const struct qcom_cc_desc *desc);