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Thu, 14 May 2020 07:43:10 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04EChA9a030574; Thu, 14 May 2020 07:43:10 -0500 From: Dan Murphy To: , , , Subject: [PATCH v3 1/3] ASoC: tlv320adcx140: Add controls for PDM clk Date: Thu, 14 May 2020 07:33:36 -0500 Message-ID: <20200514123338.20392-1-dmurphy@ti.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Dan Murphy 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 ALSA controls to configure the PDM clocks. The clocks need to be configurable to accommodate various microphones that use clocks for low power/low resolution modes to high power/high resolution modes. Signed-off-by: Dan Murphy --- sound/soc/codecs/tlv320adcx140.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c index 0f713efde046..97634e0ca0ba 100644 --- a/sound/soc/codecs/tlv320adcx140.c +++ b/sound/soc/codecs/tlv320adcx140.c @@ -180,6 +180,17 @@ static const struct snd_kcontrol_new decimation_filter_controls[] = { SOC_DAPM_ENUM("Decimation Filter", decimation_filter_enum), }; +static const char * const pdmclk_text[] = { + "2.8224 MHz", "1.4112 MHz", "705.6 kHz", "5.6448 MHz" +}; + +static SOC_ENUM_SINGLE_DECL(pdmclk_select_enum, ADCX140_PDMCLK_CFG, 0, + pdmclk_text); + +static const struct snd_kcontrol_new pdmclk_div_controls[] = { + SOC_DAPM_ENUM("PDM Clk Divider Select", pdmclk_select_enum), +}; + static const char * const resistor_text[] = { "2.5 kOhm", "10 kOhm", "20 kOhm" }; @@ -416,6 +427,9 @@ static const struct snd_soc_dapm_widget adcx140_dapm_widgets[] = { SND_SOC_DAPM_MUX("IN4 Analog Mic Resistor", SND_SOC_NOPM, 0, 0, in4_resistor_controls), + SND_SOC_DAPM_MUX("PDM Clk Div Select", SND_SOC_NOPM, 0, 0, + pdmclk_div_controls), + SND_SOC_DAPM_MUX("Decimation Filter", SND_SOC_NOPM, 0, 0, decimation_filter_controls), }; @@ -493,6 +507,11 @@ static const struct snd_soc_dapm_route adcx140_audio_map[] = { {"IN4 Analog Mic Resistor", "10 kOhm", "MIC4M Input Mux"}, {"IN4 Analog Mic Resistor", "20 kOhm", "MIC4M Input Mux"}, + {"PDM Clk Div Select", "2.8224 MHz", "MIC1P Input Mux"}, + {"PDM Clk Div Select", "1.4112 MHz", "MIC1P Input Mux"}, + {"PDM Clk Div Select", "705.6 kHz", "MIC1P Input Mux"}, + {"PDM Clk Div Select", "5.6448 MHz", "MIC1P Input Mux"}, + {"MIC1 Analog Mux", "Line In", "MIC1P"}, {"MIC2 Analog Mux", "Line In", "MIC2P"}, {"MIC3 Analog Mux", "Line In", "MIC3P"}, From patchwork Thu May 14 12:33:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 11548647 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 E04C8912 for ; Thu, 14 May 2020 12:45:08 +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 6C9822065D for ; 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Thu, 14 May 2020 07:43:16 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE103.ent.ti.com (10.64.6.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Thu, 14 May 2020 07:43:15 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04EChFmK030774; Thu, 14 May 2020 07:43:15 -0500 From: Dan Murphy To: , , , Subject: [PATCH v3 2/3] ASoC: tlv320adcx140: Add device tree property for PDM edges Date: Thu, 14 May 2020 07:33:37 -0500 Message-ID: <20200514123338.20392-2-dmurphy@ti.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200514123338.20392-1-dmurphy@ti.com> References: <20200514123338.20392-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Cc: Rob Herring , devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Dan Murphy 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 a device tree property to configure the PDM sampling edge for each digital microphone. CC: Rob Herring Signed-off-by: Dan Murphy --- v3 - Updated description to be more descriptive and fixed example. .../bindings/sound/tlv320adcx140.yaml | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/tlv320adcx140.yaml b/Documentation/devicetree/bindings/sound/tlv320adcx140.yaml index ab2268c0ee67..daa6cc0e031b 100644 --- a/Documentation/devicetree/bindings/sound/tlv320adcx140.yaml +++ b/Documentation/devicetree/bindings/sound/tlv320adcx140.yaml @@ -63,6 +63,29 @@ properties: - $ref: /schemas/types.yaml#/definitions/uint32 - enum: [0, 1, 2] + ti,pdm-edge-select: + description: | + Defines the PDMCLK sampling edge configuration for the PDM inputs. This + array is defined as . + + 0 - (default) Odd channel is latched on the negative edge and even + channel is latched on the the positive edge. + 1 - Odd channel is latched on the positive edge and even channel is + latched on the the negative edge. + + PDMIN1 - PDMCLK latching edge used for channel 1 and 2 data + PDMIN2 - PDMCLK latching edge used for channel 3 and 4 data + PDMIN3 - PDMCLK latching edge used for channel 5 and 6 data + PDMIN4 - PDMCLK latching edge used for channel 7 and 8 data + + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32-array + - minItems: 1 + maxItems: 4 + items: + maximum: 1 + default: [0, 0, 0, 0] + required: - compatible - reg @@ -77,6 +100,7 @@ examples: compatible = "ti,tlv320adc5140"; reg = <0x4c>; ti,mic-bias-source = <6>; + ti,pdm-edge-select = <0 1 0 1>; reset-gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>; }; }; From patchwork Thu May 14 12:33:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 11548651 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 422C8739 for ; 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Thu, 14 May 2020 07:43:21 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Thu, 14 May 2020 07:43:21 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04EChLrv030975; Thu, 14 May 2020 07:43:21 -0500 From: Dan Murphy To: , , , Subject: [PATCH v3 3/3] ASoC: tlv320adcx140: Configure PDM sampling edge Date: Thu, 14 May 2020 07:33:38 -0500 Message-ID: <20200514123338.20392-3-dmurphy@ti.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200514123338.20392-1-dmurphy@ti.com> References: <20200514123338.20392-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Dan Murphy 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" Configure the PDM sampling edges based on the values from the firmware. Signed-off-by: Dan Murphy --- sound/soc/codecs/tlv320adcx140.c | 22 ++++++++++++++++++++++ sound/soc/codecs/tlv320adcx140.h | 3 +++ 2 files changed, 25 insertions(+) diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c index 97634e0ca0ba..140a5802a9a9 100644 --- a/sound/soc/codecs/tlv320adcx140.c +++ b/sound/soc/codecs/tlv320adcx140.c @@ -760,6 +760,10 @@ static int adcx140_codec_probe(struct snd_soc_component *component) int sleep_cfg_val = ADCX140_WAKE_DEV; u8 bias_source; u8 vref_source; + int pdm_count; + u32 pdm_edges[ADCX140_NUM_PDM_EDGES]; + u32 pdm_edge_val = 0; + int i; int ret; ret = device_property_read_u8(adcx140->dev, "ti,mic-bias-source", @@ -786,6 +790,24 @@ static int adcx140_codec_probe(struct snd_soc_component *component) bias_source |= vref_source; + pdm_count = device_property_count_u32(adcx140->dev, + "ti,pdm-edge-select"); + if (pdm_count <= ADCX140_NUM_PDM_EDGES && pdm_count > 0) { + ret = device_property_read_u32_array(adcx140->dev, + "ti,pdm-edge-select", + pdm_edges, pdm_count); + if (ret) + return ret; + + for (i = 0; i < pdm_count; i++) + pdm_edge_val |= pdm_edges[i] << (ADCX140_PDM_EDGE_SHIFT - i); + + ret = regmap_write(adcx140->regmap, ADCX140_PDM_CFG, + pdm_edge_val); + if (ret) + return ret; + } + ret = adcx140_reset(adcx140); if (ret) goto out; diff --git a/sound/soc/codecs/tlv320adcx140.h b/sound/soc/codecs/tlv320adcx140.h index 6d055e55909e..432eaf25d1a7 100644 --- a/sound/soc/codecs/tlv320adcx140.h +++ b/sound/soc/codecs/tlv320adcx140.h @@ -128,4 +128,7 @@ #define ADCX140_TX_OFFSET_MASK GENMASK(4, 0) +#define ADCX140_NUM_PDM_EDGES 4 +#define ADCX140_PDM_EDGE_SHIFT 7 + #endif /* _TLV320ADCX140_ */