From patchwork Fri Mar 11 13:29:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steve Lee X-Patchwork-Id: 12779585 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id F3D2EC433F5 for ; Mon, 14 Mar 2022 07:00:53 +0000 (UTC) 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 04C7716EF; Mon, 14 Mar 2022 08:00:02 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 04C7716EF DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1647241252; bh=dc403R4uadsYJ63QhpR1U+pgr79miaY5qCDVcUZ62MY=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=VL5cf0ohKRqkRh3Mmbh5LfBpyADcUpCfa2kmQYwEnseHL+LivIAJtqWJNP6tBQ5V1 e41tjCRj2igY3Pgg+RVGRYSB7zND+sp+nkCd5jULbgSpblB5dnI7TRfq6CEsD+rKe3 e96yGZHkpYlk55o7joiuFnZPmE/CUjNonGT4zPts= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 473B7F80519; Mon, 14 Mar 2022 07:58:56 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 9F797F80227; Fri, 11 Mar 2022 14:29:58 +0100 (CET) Received: from mail-pj1-x1042.google.com (mail-pj1-x1042.google.com [IPv6:2607:f8b0:4864:20::1042]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 728B0F8012C for ; Fri, 11 Mar 2022 14:29:55 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 728B0F8012C Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CI2lfgcC" Received: by mail-pj1-x1042.google.com with SMTP id v4so8175764pjh.2 for ; Fri, 11 Mar 2022 05:29:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id; bh=lWnNWcx+SboqtPq9WI7B/BLf7BDyEwBuicgeSMUjIxY=; b=CI2lfgcC0JOTIFvd4yDLT3+LWmWjTs5HWYaKKWWWBU97Q9NR/plDDe0BG3emS2zFKB +PJDSRQC719268FrWzd6QkLdlmk0gVmCBDJok4gCU8MnZ/0SRRUhP0gGlKoebPC+zHzO zOQRl9LlHG6abAWeq3UVrxPIE/ip2pXQRjjjb9O5VwHcZG1FCNZTU/DuAxpPk9S7v2J8 PvnhwSHFwfCvh6aX1eBI5E6w+9QtXlEam++fKNpT6NmS/HpMMKfCg3QngORtBnRb/f2M YLQXFYXmISlNn/Few8+6us2FBav5lVbBA9/3HjYoS9YLk/IVlPUywlRlU9ayBI30Ih/s Yn4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=lWnNWcx+SboqtPq9WI7B/BLf7BDyEwBuicgeSMUjIxY=; b=TUp/GYCGxFSdtjsJ1MfdcTd9BgKbGOeeUKDxkxrfiFNCouw1R9DYfV/73YLbH2tG9Q 777RqCdj96gH0WJDL6UnV1v7KiJ/Zyt9t296lSgyB1pve7ygW3Y0ijzpXYDJfXFh956C AlS7/4omvhb7Peshhdxc2ssQg9a3dUG5iATLq895iAO+N+JWN8pxRA/DVYMV1gpHOw9g 6gU7RNDYAm3mjuTNtjqOAsU1zz2RQLluoIXvMur4pi+cRhKZhrOJovA8TDucS9qS2p+U 9P/zjsdDzwoSooreNg759Ovo1q8otYf7nDCQh+Ry3JK7RX+7o+YxQqup+c0aaDW07FUs lnVA== X-Gm-Message-State: AOAM531QuQqtOd+3nrfMRyJG/sIj08BrfDuGB5CY5tfmIJe3zRdhSKGG me0lPV1GztssSwhKRAFKD6U= X-Google-Smtp-Source: ABdhPJwNo2sTsZyi47iCLuC+XNJ4MMfgBohTLUQ/Ge/2csyWYtjNvf7ShW0r3I+OCg63OmoQHP2JUw== X-Received: by 2002:a17:902:b490:b0:14c:da4a:deca with SMTP id y16-20020a170902b49000b0014cda4adecamr10745394plr.134.1647005392946; Fri, 11 Mar 2022 05:29:52 -0800 (PST) Received: from localhost.localdomain ([211.212.143.131]) by smtp.gmail.com with ESMTPSA id l17-20020a056a0016d100b004c34686e322sm11319934pfc.182.2022.03.11.05.29.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Mar 2022 05:29:52 -0800 (PST) From: Steve Lee To: lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org Subject: [V2 1/2] ASoC: max98390: Add reset gpio control Date: Fri, 11 Mar 2022 22:29:05 +0900 Message-Id: <20220311132906.32292-1-steve.lee.analog@gmail.com> X-Mailer: git-send-email 2.17.1 X-Mailman-Approved-At: Mon, 14 Mar 2022 07:58:50 +0100 Cc: Steve Lee , devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, ryans.lee@maximintegrated.com 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" Add reset gpio control to support RESET PIN connected to gpio. Signed-off-by: Steve Lee --- sound/soc/codecs/max98390.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/sound/soc/codecs/max98390.c b/sound/soc/codecs/max98390.c index b392567c2b3e..5c6162701667 100644 --- a/sound/soc/codecs/max98390.c +++ b/sound/soc/codecs/max98390.c @@ -1022,6 +1022,7 @@ static int max98390_i2c_probe(struct i2c_client *i2c, struct max98390_priv *max98390 = NULL; struct i2c_adapter *adapter = to_i2c_adapter(i2c->dev.parent); + struct gpio_desc *reset_gpio; ret = i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE @@ -1073,6 +1074,17 @@ static int max98390_i2c_probe(struct i2c_client *i2c, return ret; } + reset_gpio = devm_gpiod_get_optional(&i2c->dev, + "maxim,reset-gpios", GPIOD_OUT_LOW); + + /* Power on device */ + if (reset_gpio) { + usleep_range(1000, 2000); + /* bring out of reset */ + gpiod_set_value_cansleep(reset_gpio, 1); + usleep_range(1000, 2000); + } + /* Check Revision ID */ ret = regmap_read(max98390->regmap, MAX98390_R24FF_REV_ID, ®); 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Fri, 11 Mar 2022 05:30:05 -0800 (PST) Received: from localhost.localdomain ([211.212.143.131]) by smtp.gmail.com with ESMTPSA id l17-20020a056a0016d100b004c34686e322sm11319934pfc.182.2022.03.11.05.30.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Mar 2022 05:30:05 -0800 (PST) From: Steve Lee To: lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org Subject: [V2 2/2] ASoC: dt-bindings: max98390: add reset gpio bindings Date: Fri, 11 Mar 2022 22:29:06 +0900 Message-Id: <20220311132906.32292-2-steve.lee.analog@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220311132906.32292-1-steve.lee.analog@gmail.com> References: <20220311132906.32292-1-steve.lee.analog@gmail.com> X-Mailman-Approved-At: Mon, 14 Mar 2022 07:58:50 +0100 Cc: Steve Lee , devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, ryans.lee@maximintegrated.com 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 the reset gpio binding. Signed-off-by: Steve Lee --- Documentation/devicetree/bindings/sound/maxim,max98390.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/maxim,max98390.yaml b/Documentation/devicetree/bindings/sound/maxim,max98390.yaml index e5ac35280da3..4bf61fb6056a 100644 --- a/Documentation/devicetree/bindings/sound/maxim,max98390.yaml +++ b/Documentation/devicetree/bindings/sound/maxim,max98390.yaml @@ -31,6 +31,9 @@ properties: minimum: 1 maximum: 8388607 + reset-gpios: + maxItems: 1 + required: - compatible - reg @@ -39,6 +42,7 @@ additionalProperties: false examples: - | + #include i2c { #address-cells = <1>; #size-cells = <0>; @@ -47,5 +51,6 @@ examples: reg = <0x38>; maxim,temperature_calib = <1024>; maxim,r0_calib = <100232>; + reset-gpios = <&gpio 9 GPIO_ACTIVE_LOW>; }; };