From: Dan Murphy <dmurphy@ti.com> To: <lgirdwood@gmail.com>, <broonie@kernel.org>, <perex@perex.cz>, <tiwai@suse.com> Cc: <alsa-devel@alsa-project.org>, <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>, Dan Murphy <dmurphy@ti.com> Subject: [PATCH 2/2] ASoC: tlv320adcx140: Add support for configuring GPI pins Date: Tue, 26 May 2020 15:09:17 -0500 [thread overview] Message-ID: <20200526200917.10385-2-dmurphy@ti.com> (raw) In-Reply-To: <20200526200917.10385-1-dmurphy@ti.com> Add support to configure the GPI pins to the specific configuration. The pins can be disabled or be configured as data input for any of the digital mic channels. In addition the GPI can be used a a general purpose input, a Master clock input or an ASI input for daisy chaining devices. Signed-off-by: Dan Murphy <dmurphy@ti.com> --- sound/soc/codecs/tlv320adcx140.c | 28 ++++++++++++++++++++++++++++ sound/soc/codecs/tlv320adcx140.h | 7 +++++++ 2 files changed, 35 insertions(+) diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c index 2fe0df3b7550..35fe8ee5bce9 100644 --- a/sound/soc/codecs/tlv320adcx140.c +++ b/sound/soc/codecs/tlv320adcx140.c @@ -764,6 +764,9 @@ static int adcx140_codec_probe(struct snd_soc_component *component) int pdm_count; u32 pdm_edges[ADCX140_NUM_PDM_EDGES]; u32 pdm_edge_val = 0; + int gpi_count; + u32 gpi_inputs[ADCX140_NUM_GPI_PINS]; + u32 gpi_input_val = 0; int i; int ret; @@ -807,6 +810,31 @@ static int adcx140_codec_probe(struct snd_soc_component *component) return ret; } + gpi_count = device_property_count_u32(adcx140->dev, "ti,gpi-config"); + if (gpi_count <= ADCX140_NUM_GPI_PINS && gpi_count > 0) { + ret = device_property_read_u32_array(adcx140->dev, + "ti,gpi-config", + gpi_inputs, gpi_count); + if (ret) + return ret; + + gpi_input_val = gpi_inputs[ADCX140_GPI1_INDEX] << ADCX140_GPI_SHIFT | + gpi_inputs[ADCX140_GPI2_INDEX]; + + ret = regmap_write(adcx140->regmap, ADCX140_GPI_CFG0, + gpi_input_val); + if (ret) + return ret; + + gpi_input_val = gpi_inputs[ADCX140_GPI3_INDEX] << ADCX140_GPI_SHIFT | + gpi_inputs[ADCX140_GPI4_INDEX]; + + ret = regmap_write(adcx140->regmap, ADCX140_GPI_CFG1, + gpi_input_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 247827f315f1..39206bf1af12 100644 --- a/sound/soc/codecs/tlv320adcx140.h +++ b/sound/soc/codecs/tlv320adcx140.h @@ -132,4 +132,11 @@ #define ADCX140_NUM_PDM_EDGES 4 #define ADCX140_PDM_EDGE_SHIFT 7 +#define ADCX140_NUM_GPI_PINS 4 +#define ADCX140_GPI_SHIFT 4 +#define ADCX140_GPI1_INDEX 0 +#define ADCX140_GPI2_INDEX 1 +#define ADCX140_GPI3_INDEX 2 +#define ADCX140_GPI4_INDEX 3 + #endif /* _TLV320ADCX140_ */ -- 2.26.2
WARNING: multiple messages have this Message-ID (diff)
From: Dan Murphy <dmurphy@ti.com> To: <lgirdwood@gmail.com>, <broonie@kernel.org>, <perex@perex.cz>, <tiwai@suse.com> Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Dan Murphy <dmurphy@ti.com> Subject: [PATCH 2/2] ASoC: tlv320adcx140: Add support for configuring GPI pins Date: Tue, 26 May 2020 15:09:17 -0500 [thread overview] Message-ID: <20200526200917.10385-2-dmurphy@ti.com> (raw) In-Reply-To: <20200526200917.10385-1-dmurphy@ti.com> Add support to configure the GPI pins to the specific configuration. The pins can be disabled or be configured as data input for any of the digital mic channels. In addition the GPI can be used a a general purpose input, a Master clock input or an ASI input for daisy chaining devices. Signed-off-by: Dan Murphy <dmurphy@ti.com> --- sound/soc/codecs/tlv320adcx140.c | 28 ++++++++++++++++++++++++++++ sound/soc/codecs/tlv320adcx140.h | 7 +++++++ 2 files changed, 35 insertions(+) diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c index 2fe0df3b7550..35fe8ee5bce9 100644 --- a/sound/soc/codecs/tlv320adcx140.c +++ b/sound/soc/codecs/tlv320adcx140.c @@ -764,6 +764,9 @@ static int adcx140_codec_probe(struct snd_soc_component *component) int pdm_count; u32 pdm_edges[ADCX140_NUM_PDM_EDGES]; u32 pdm_edge_val = 0; + int gpi_count; + u32 gpi_inputs[ADCX140_NUM_GPI_PINS]; + u32 gpi_input_val = 0; int i; int ret; @@ -807,6 +810,31 @@ static int adcx140_codec_probe(struct snd_soc_component *component) return ret; } + gpi_count = device_property_count_u32(adcx140->dev, "ti,gpi-config"); + if (gpi_count <= ADCX140_NUM_GPI_PINS && gpi_count > 0) { + ret = device_property_read_u32_array(adcx140->dev, + "ti,gpi-config", + gpi_inputs, gpi_count); + if (ret) + return ret; + + gpi_input_val = gpi_inputs[ADCX140_GPI1_INDEX] << ADCX140_GPI_SHIFT | + gpi_inputs[ADCX140_GPI2_INDEX]; + + ret = regmap_write(adcx140->regmap, ADCX140_GPI_CFG0, + gpi_input_val); + if (ret) + return ret; + + gpi_input_val = gpi_inputs[ADCX140_GPI3_INDEX] << ADCX140_GPI_SHIFT | + gpi_inputs[ADCX140_GPI4_INDEX]; + + ret = regmap_write(adcx140->regmap, ADCX140_GPI_CFG1, + gpi_input_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 247827f315f1..39206bf1af12 100644 --- a/sound/soc/codecs/tlv320adcx140.h +++ b/sound/soc/codecs/tlv320adcx140.h @@ -132,4 +132,11 @@ #define ADCX140_NUM_PDM_EDGES 4 #define ADCX140_PDM_EDGE_SHIFT 7 +#define ADCX140_NUM_GPI_PINS 4 +#define ADCX140_GPI_SHIFT 4 +#define ADCX140_GPI1_INDEX 0 +#define ADCX140_GPI2_INDEX 1 +#define ADCX140_GPI3_INDEX 2 +#define ADCX140_GPI4_INDEX 3 + #endif /* _TLV320ADCX140_ */ -- 2.26.2
next prev parent reply other threads:[~2020-05-26 20:09 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-05-26 20:09 [PATCH 1/2] dt-bindings: sound: tlv320adcx140: Add GPI config property Dan Murphy 2020-05-26 20:09 ` Dan Murphy 2020-05-26 20:09 ` Dan Murphy [this message] 2020-05-26 20:09 ` [PATCH 2/2] ASoC: tlv320adcx140: Add support for configuring GPI pins Dan Murphy 2020-05-27 14:58 ` [PATCH 1/2] dt-bindings: sound: tlv320adcx140: Add GPI config property Mark Brown 2020-05-27 14:58 ` Mark Brown 2020-05-28 14:05 ` Rob Herring 2020-05-28 14:05 ` Rob Herring 2020-05-28 14:20 ` Dan Murphy 2020-05-28 14:20 ` Dan Murphy 2020-05-28 14:32 ` Rob Herring 2020-05-28 14:32 ` Rob Herring
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20200526200917.10385-2-dmurphy@ti.com \ --to=dmurphy@ti.com \ --cc=alsa-devel@alsa-project.org \ --cc=broonie@kernel.org \ --cc=devicetree@vger.kernel.org \ --cc=lgirdwood@gmail.com \ --cc=linux-kernel@vger.kernel.org \ --cc=perex@perex.cz \ --cc=tiwai@suse.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.