From patchwork Wed Nov 20 15:24:02 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 11254071 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5D10214DB for ; Wed, 20 Nov 2019 15:25:10 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E62AE20730 for ; Wed, 20 Nov 2019 15:25:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="E1bTfSek" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E62AE20730 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 2262016FD; Wed, 20 Nov 2019 16:24:18 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 2262016FD DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1574263508; bh=i+kINn4i7yEzMjqrVQHHfYeK86ecRvWT+3difDoym/Q=; h=From:To:Date:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=E1bTfSek5rNsjvMQlUD5c5O+PXY9+ggrnsL4QkNxCzpMeYSai9aJ801EOMVke8jqk Nya2Jzcp/ZBXvVSrdwDfC6X0Ipxr28dEgJn/n9VNW/NYYDZgGdb2Nod7AgnVqj6X6p PYlGOh6o/PgGrkb2Ha++HIQ4qvvSmay5DiVWfCTo= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id C5AE0F8013D; Wed, 20 Nov 2019 16:24:16 +0100 (CET) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id 6DBC2F80159; Wed, 20 Nov 2019 16:24:14 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=SPF_HELO_PASS,SPF_PASS, UNPARSEABLE_RELAY,URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 9DF0DF800FF for ; Wed, 20 Nov 2019 16:24:11 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 9DF0DF800FF Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: sre) with ESMTPSA id BF9442910DD Received: by earth.universe (Postfix, from userid 1000) id 254543C0C78; Wed, 20 Nov 2019 16:24:08 +0100 (CET) From: Sebastian Reichel To: Adam Thomson , Support Opensource , Liam Girdwood , Mark Brown Date: Wed, 20 Nov 2019 16:24:02 +0100 Message-Id: <20191120152406.2744-3-sebastian.reichel@collabora.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191120152406.2744-1-sebastian.reichel@collabora.com> References: <20191120152406.2744-1-sebastian.reichel@collabora.com> MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, Takashi Iwai , linux-kernel@vger.kernel.org, Sebastian Reichel , kernel@collabora.com Subject: [alsa-devel] [PATCHv2 2/6] ASoC: da7213: Add regulator support X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" This adds support for most regulators of da7212 for improved power management. The only thing skipped was the speaker supply, which has some undocumented dependencies. It's supposed to be either always-enabled or always-disabled. Signed-off-by: Sebastian Reichel Reviewed-by: Adam Thomson --- .../devicetree/bindings/sound/da7213.txt | 4 + sound/soc/codecs/da7213.c | 79 ++++++++++++++++++- sound/soc/codecs/da7213.h | 9 +++ 3 files changed, 91 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/sound/da7213.txt b/Documentation/devicetree/bindings/sound/da7213.txt index 759bb04e0283..cc8200b7d748 100644 --- a/Documentation/devicetree/bindings/sound/da7213.txt +++ b/Documentation/devicetree/bindings/sound/da7213.txt @@ -21,6 +21,10 @@ Optional properties: - dlg,dmic-clkrate : DMIC clock frequency (Hz). [<1500000>, <3000000>] + - VDDA-supply : Regulator phandle for Analogue power supply + - VDDMIC-supply : Regulator phandle for Mic Bias + - VDDIO-supply : Regulator phandle for I/O power supply + ====== Example: diff --git a/sound/soc/codecs/da7213.c b/sound/soc/codecs/da7213.c index aff306bb58df..0359249118d0 100644 --- a/sound/soc/codecs/da7213.c +++ b/sound/soc/codecs/da7213.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include #include @@ -806,6 +807,11 @@ static int da7213_dai_event(struct snd_soc_dapm_widget *w, */ static const struct snd_soc_dapm_widget da7213_dapm_widgets[] = { + /* + * Power Supply + */ + SND_SOC_DAPM_REGULATOR_SUPPLY("VDDMIC", 0, 0), + /* * Input & Output */ @@ -932,6 +938,9 @@ static const struct snd_soc_dapm_route da7213_audio_map[] = { /* Dest Connecting Widget source */ /* Input path */ + {"Mic Bias 1", NULL, "VDDMIC"}, + {"Mic Bias 2", NULL, "VDDMIC"}, + {"MIC1", NULL, "Mic Bias 1"}, {"MIC2", NULL, "Mic Bias 2"}, @@ -1691,6 +1700,8 @@ static int da7213_probe(struct snd_soc_component *component) { struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component); + pm_runtime_get_sync(component->dev); + /* Default to using ALC auto offset calibration mode. */ snd_soc_component_update_bits(component, DA7213_ALC_CTRL1, DA7213_ALC_CALIB_MODE_MAN, 0); @@ -1811,6 +1822,8 @@ static int da7213_probe(struct snd_soc_component *component) DA7213_DMIC_CLK_RATE_MASK, dmic_cfg); } + pm_runtime_put_sync(component->dev); + /* Check if MCLK provided */ da7213->mclk = devm_clk_get(component->dev, "mclk"); if (IS_ERR(da7213->mclk)) { @@ -1848,11 +1861,22 @@ static const struct regmap_config da7213_regmap_config = { .cache_type = REGCACHE_RBTREE, }; +static void da7213_power_off(void *data) +{ + struct da7213_priv *da7213 = data; + regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies); +} + +static const char *da7213_supply_names[DA7213_NUM_SUPPLIES] = { + [DA7213_SUPPLY_VDDA] = "VDDA", + [DA7213_SUPPLY_VDDIO] = "VDDIO", +}; + static int da7213_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct da7213_priv *da7213; - int ret; + int i, ret; da7213 = devm_kzalloc(&i2c->dev, sizeof(*da7213), GFP_KERNEL); if (!da7213) @@ -1860,6 +1884,25 @@ static int da7213_i2c_probe(struct i2c_client *i2c, i2c_set_clientdata(i2c, da7213); + /* Get required supplies */ + for (i = 0; i < DA7213_NUM_SUPPLIES; ++i) + da7213->supplies[i].supply = da7213_supply_names[i]; + + ret = devm_regulator_bulk_get(&i2c->dev, DA7213_NUM_SUPPLIES, + da7213->supplies); + if (ret) { + dev_err(&i2c->dev, "Failed to get supplies: %d\n", ret); + return ret; + } + + ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies); + if (ret < 0) + return ret; + + ret = devm_add_action_or_reset(&i2c->dev, da7213_power_off, da7213); + if (ret < 0) + return ret; + da7213->regmap = devm_regmap_init_i2c(i2c, &da7213_regmap_config); if (IS_ERR(da7213->regmap)) { ret = PTR_ERR(da7213->regmap); @@ -1867,6 +1910,11 @@ static int da7213_i2c_probe(struct i2c_client *i2c, return ret; } + pm_runtime_set_autosuspend_delay(&i2c->dev, 100); + pm_runtime_use_autosuspend(&i2c->dev); + pm_runtime_set_active(&i2c->dev); + pm_runtime_enable(&i2c->dev); + ret = devm_snd_soc_register_component(&i2c->dev, &soc_component_dev_da7213, &da7213_dai, 1); if (ret < 0) { @@ -1876,6 +1924,34 @@ static int da7213_i2c_probe(struct i2c_client *i2c, return ret; } +static int __maybe_unused da7213_runtime_suspend(struct device *dev) +{ + struct da7213_priv *da7213 = dev_get_drvdata(dev); + + regcache_cache_only(da7213->regmap, true); + regcache_mark_dirty(da7213->regmap); + regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies); + + return 0; +} + +static int __maybe_unused da7213_runtime_resume(struct device *dev) +{ + struct da7213_priv *da7213 = dev_get_drvdata(dev); + int ret; + + ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies); + if (ret < 0) + return ret; + regcache_cache_only(da7213->regmap, false); + regcache_sync(da7213->regmap); + return 0; +} + +static const struct dev_pm_ops da7213_pm = { + SET_RUNTIME_PM_OPS(da7213_runtime_suspend, da7213_runtime_resume, NULL) +}; + static const struct i2c_device_id da7213_i2c_id[] = { { "da7213", 0 }, { } @@ -1888,6 +1964,7 @@ static struct i2c_driver da7213_i2c_driver = { .name = "da7213", .of_match_table = of_match_ptr(da7213_of_match), .acpi_match_table = ACPI_PTR(da7213_acpi_match), + .pm = &da7213_pm, }, .probe = da7213_i2c_probe, .id_table = da7213_i2c_id, diff --git a/sound/soc/codecs/da7213.h b/sound/soc/codecs/da7213.h index 3250a3821fcc..3890829dfb6e 100644 --- a/sound/soc/codecs/da7213.h +++ b/sound/soc/codecs/da7213.h @@ -12,6 +12,7 @@ #include #include +#include #include /* @@ -521,9 +522,17 @@ enum da7213_sys_clk { DA7213_SYSCLK_PLL_32KHZ }; +/* Regulators */ +enum da7213_supplies { + DA7213_SUPPLY_VDDA = 0, + DA7213_SUPPLY_VDDIO, + DA7213_NUM_SUPPLIES, +}; + /* Codec private data */ struct da7213_priv { struct regmap *regmap; + struct regulator_bulk_data supplies[DA7213_NUM_SUPPLIES]; struct clk *mclk; unsigned int mclk_rate; int clk_src;