From patchwork Wed Feb 6 09:39:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matti Vaittinen X-Patchwork-Id: 1037389 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=fi.rohmeurope.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43vbyT4Sz1z9sML for ; Wed, 6 Feb 2019 20:40:01 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727756AbfBFJjy (ORCPT ); Wed, 6 Feb 2019 04:39:54 -0500 Received: from mail-lf1-f68.google.com ([209.85.167.68]:34026 "EHLO mail-lf1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727314AbfBFJjy (ORCPT ); Wed, 6 Feb 2019 04:39:54 -0500 Received: by mail-lf1-f68.google.com with SMTP id p6so4870417lfc.1; Wed, 06 Feb 2019 01:39:52 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=wjntFQCQBO8gCvZ1THC9JCAeRH6+57daYb7m1z5r9+k=; b=nmidM5qCc5dyowRcz4iP6g47PsqW2bwTi6pqbAgSYmSdP0gjUqO80wmBhTkov9dacF t/xHlXdoLktzzxmr9XI+4sEKOKqDDycNmU0l/oVr87V7cbJstQuoxTgbQll9UwK+LsIV b/8aQAZH25DIFrixAQl53Ao/7ngKEJ9H4WrJ7/5ISjcuXG9HCU6pS9qZlpJQDc4N8pHA +acisC5THvOTkguGQOmCKrKOnnZK1rws29sygWK7AgkuUc/sliD+jro7hKGi8RozANP8 TZyK/3sLIR4T4qv6MIw7sz7wFWsL+s4CQcYoITsNd9F45x2YWJyGJO9cxfec2Pk+1Nbj Il8A== X-Gm-Message-State: AHQUAuYfC/2g28XPXqtq4TH2/nTP9gemZx4w0UpMtDeZr6scZHAbewhi YBItIHN3467gYZpOp/4bIn8= X-Google-Smtp-Source: AHgI3Ibj70OCFqIYmbNKwHEbscTY5As22uB11O15j6l8W02ss7JBIq7BeaDZFi6pE7o3FX3bj+5OSQ== X-Received: by 2002:a19:2d44:: with SMTP id t4mr5787579lft.90.1549445991378; Wed, 06 Feb 2019 01:39:51 -0800 (PST) Received: from localhost.localdomain ([213.255.186.46]) by smtp.gmail.com with ESMTPSA id 10sm3626480ljr.4.2019.02.06.01.39.49 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 06 Feb 2019 01:39:50 -0800 (PST) Date: Wed, 6 Feb 2019 11:39:38 +0200 From: Matti Vaittinen To: Matti Vaittinen , mazziesaccount@gmail.com Cc: Guenter Roeck , heikki.haikola@fi.rohmeurope.com, mikko.mutanen@fi.rohmeurope.com, lee.jones@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, broonie@kernel.org, gregkh@linuxfoundation.org, rafael@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, linus.walleij@linaro.org, bgolaszewski@baylibre.com, sre@kernel.org, lgirdwood@gmail.com, a.zummo@towertech.it, alexandre.belloni@bootlin.com, wim@linux-watchdog.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, linux-rtc@vger.kernel.org, linux-watchdog@vger.kernel.org Subject: [PATCH v7 05/10] clk: bd718x7: Support ROHM BD70528 clk block Message-ID: <88c49b30bbb4b1f3ecc24d333647585e2c82f4e4.1549444366.git.matti.vaittinen@fi.rohmeurope.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org ROHM BD70528 is an ultra low power PMIC with similar 32K clk as bd718x7. Only difference (from clk perspective) is register address. Add support for controlling BD70528 clk using bd718x7 driver. Signed-off-by: Matti Vaittinen --- drivers/clk/Kconfig | 6 +++--- drivers/clk/clk-bd718x7.c | 21 +++++++++++++++++---- 2 files changed, 20 insertions(+), 7 deletions(-) diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index e5b2fe80eab4..992cfb86f2ca 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -285,10 +285,10 @@ config COMMON_CLK_STM32H7 config COMMON_CLK_BD718XX tristate "Clock driver for ROHM BD718x7 PMIC" - depends on MFD_ROHM_BD718XX + depends on MFD_ROHM_BD718XX || MFD_ROHM_BD70528 help - This driver supports ROHM BD71837 and ROHM BD71847 - PMICs clock gates. + This driver supports ROHM BD71837, ROHM BD71847 and + ROHM BD70528 PMICs clock gates. source "drivers/clk/actions/Kconfig" source "drivers/clk/bcm/Kconfig" diff --git a/drivers/clk/clk-bd718x7.c b/drivers/clk/clk-bd718x7.c index 461228ebf703..41c1374f4217 100644 --- a/drivers/clk/clk-bd718x7.c +++ b/drivers/clk/clk-bd718x7.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #include #include @@ -86,9 +87,21 @@ static int bd71837_clk_probe(struct platform_device *pdev) dev_err(&pdev->dev, "No parent clk found\n"); return -EINVAL; } - - c->reg = BD718XX_REG_OUT32K; - c->mask = BD718XX_OUT32K_EN; + switch (mfd->chip_type) { + case ROHM_CHIP_TYPE_BD71837: + case ROHM_CHIP_TYPE_BD71847: + + c->reg = BD718XX_REG_OUT32K; + c->mask = BD718XX_OUT32K_EN; + break; + case ROHM_CHIP_TYPE_BD70528: + c->reg = BD70528_REG_CLK_OUT; + c->mask = BD70528_CLK_OUT_EN_MASK; + break; + default: + dev_err(&pdev->dev, "Unknown clk chip\n"); + return -EINVAL; + } c->mfd = mfd; c->pdev = pdev; c->hw.init = &init; @@ -119,5 +132,5 @@ static struct platform_driver bd71837_clk = { module_platform_driver(bd71837_clk); MODULE_AUTHOR("Matti Vaittinen "); -MODULE_DESCRIPTION("BD71837/BD71847 chip clk driver"); +MODULE_DESCRIPTION("BD71837/BD71847/BD70528 chip clk driver"); MODULE_LICENSE("GPL");