From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 413CDC43461 for ; Fri, 11 Sep 2020 08:08:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EFF49221E3 for ; Fri, 11 Sep 2020 08:08:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=axis.com header.i=@axis.com header.b="dna9WOP5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725823AbgIKIIX (ORCPT ); Fri, 11 Sep 2020 04:08:23 -0400 Received: from smtp1.axis.com ([195.60.68.17]:44737 "EHLO smtp1.axis.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725562AbgIKIIL (ORCPT ); Fri, 11 Sep 2020 04:08:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=axis.com; l=2561; q=dns/txt; s=axis-central1; t=1599811690; x=1631347690; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=GWBdvjMgI+JP9kgF51iEb5ue97etB2/mb8U6CHpN/hI=; b=dna9WOP5AaCqRgTk8JHT3FtTzhC35ATfRDWyFe86kcWnCc0w3BPSDgks U7+mIuCDOB/FLkdwCS5Le6b2UkFW89lflX3hE9Ifpms8iHjIIDQmpBLXP q/Bmbxdp2AY5268jFDS9SANzQPMsDWsZQS01I4CKZBerqPmTSs8xxPAln zoZ6ZYc+5vgZeRtOhrtTAgvxJs/jkF3gIfo2v+hTg1j1sdyPpHj/Ir8L5 X5/2P90u9DQE2zXg+QpSOpwILi7SJIiR4AzDcpjTI5tBAQvl5w3vaEdGt P12fwzgDBj8XgPQYwwkZBxgrRLmxzKRBoNVt2amowcJeeRk8PfqEnYjZU A==; IronPort-SDR: BnKEjPvVZxmSMPmALemYWoYMsfP1TELibKrRlQoks6qxAV//kiy6uMQ0GTli5SCk6uimuC/xtS qCm3LqGWCS1mvMbzSh1Y2aT28dhxqmxZGc/bL6ZJ5bk+4HgXB9NX+1x4vcP7nPcWSrrkFOYJT3 /LlKjgAsNG39TEEP4d6JfvZx7/4t/9DvpYzMD0kikQIoB+6Dh9CkWj0dppvsTbdJvvq5t8k7Eo xJueWhdyMF06BPehVvBON+jekPq6UdtqWOUFDBJXXzR9dh/5X0eOfslW827MoML4YkPbgSIufg bsk= X-IronPort-AV: E=Sophos;i="5.76,414,1592863200"; d="scan'208";a="12818398" From: Camel Guo To: , , , CC: , , , Camel Guo Subject: [PATCH v2 2/3] ASoC: tlv320adcx140: Add support for configuring GPIO pin Date: Fri, 11 Sep 2020 10:07:52 +0200 Message-ID: <20200911080753.30342-2-camel.guo@axis.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200911080753.30342-1-camel.guo@axis.com> References: <20200911080753.30342-1-camel.guo@axis.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Camel Guo Add support to configure the GPIO pin to the specific configuration. The GPIO pin can be configured as GPO, IRQ, SDOUT2, PDMCLK, MICBASE_EN, GPI, MCLK, SDIN, PDMDIN1, PDMDIN2, PDMDIN3 or PDMDIN4 and the output drive can be configured with various configuration. Signed-off-by: Camel Guo --- sound/soc/codecs/tlv320adcx140.c | 44 ++++++++++++++++++++++++++++++++ sound/soc/codecs/tlv320adcx140.h | 4 +++ 2 files changed, 48 insertions(+) diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c index f33ee604ee78..97f16fbba441 100644 --- a/sound/soc/codecs/tlv320adcx140.c +++ b/sound/soc/codecs/tlv320adcx140.c @@ -837,6 +837,46 @@ static int adcx140_configure_gpo(struct adcx140_priv *adcx140) } +static int adcx140_configure_gpio(struct adcx140_priv *adcx140) +{ + int gpio_count = 0; + u32 gpio_outputs[2]; + u32 gpio_output_val = 0; + int ret; + + gpio_count = device_property_count_u32(adcx140->dev, + "ti,gpio-config"); + if (gpio_count == 0) + return 0; + + if (gpio_count != 2) + return -EINVAL; + + ret = device_property_read_u32_array(adcx140->dev, "ti,gpio-config", + gpio_outputs, gpio_count); + if (ret) + return ret; + + if (gpio_outputs[0] > ADCX140_GPIO_CFG_MAX) { + dev_err(adcx140->dev, "GPIO config out of range\n"); + return -EINVAL; + } + + if (gpio_outputs[1] > ADCX140_GPIO_DRV_MAX) { + dev_err(adcx140->dev, "GPIO drive out of range\n"); + return -EINVAL; + } + + gpio_output_val = gpio_outputs[0] << ADCX140_GPIO_SHIFT + | gpio_outputs[1]; + + ret = regmap_write(adcx140->regmap, ADCX140_GPIO_CFG0, gpio_output_val); + if (ret) + return ret; + + return 0; +} + static int adcx140_codec_probe(struct snd_soc_component *component) { struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component); @@ -934,6 +974,10 @@ static int adcx140_codec_probe(struct snd_soc_component *component) return ret; } + ret = adcx140_configure_gpio(adcx140); + if (ret) + return ret; + ret = adcx140_configure_gpo(adcx140); if (ret) goto out; diff --git a/sound/soc/codecs/tlv320adcx140.h b/sound/soc/codecs/tlv320adcx140.h index eedbc1d7221f..96f067e65e2a 100644 --- a/sound/soc/codecs/tlv320adcx140.h +++ b/sound/soc/codecs/tlv320adcx140.h @@ -145,4 +145,8 @@ #define ADCX140_GPO_CFG_MAX 4 #define ADCX140_GPO_DRV_MAX 5 +#define ADCX140_GPIO_SHIFT 4 +#define ADCX140_GPIO_CFG_MAX 15 +#define ADCX140_GPIO_DRV_MAX 5 + #endif /* _TLV320ADCX140_ */ -- 2.20.1