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no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Use master clock "mclk" if provided through device tree. Signed-off-by: Maxim Kochetkov --- sound/soc/codecs/nau8824.c | 21 +++++++++++++++++++-- sound/soc/codecs/nau8824.h | 1 + 2 files changed, 20 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/nau8824.c b/sound/soc/codecs/nau8824.c index f92b95b21cae..7153b746f4b1 100644 --- a/sound/soc/codecs/nau8824.c +++ b/sound/soc/codecs/nau8824.c @@ -520,8 +520,15 @@ static int system_clock_control(struct snd_soc_dapm_widget *w, } else { nau8824_config_sysclk(nau8824, NAU8824_CLK_DIS, 0); } + + if (!IS_ERR(nau8824->mclk)) + clk_disable_unprepare(nau8824->mclk); } else { dev_dbg(nau8824->dev, "system clock control : POWER ON\n"); + + if (!IS_ERR(nau8824->mclk)) + clk_prepare_enable(nau8824->mclk); + /* Check the clock source setting is proper or not * no matter the source is from FLL or MCLK. */ @@ -563,16 +570,22 @@ static int dmic_clock_control(struct snd_soc_dapm_widget *w, struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component); int src; + unsigned int freq; + + if (!IS_ERR(nau8824->mclk)) + freq = clk_get_rate(nau8824->mclk); + else + freq = nau8824->fs * 256; /* The DMIC clock is gotten from system clock (256fs) divided by * DMIC_SRC (1, 2, 4, 8, 16, 32). The clock has to be equal or * less than 3.072 MHz. */ for (src = 0; src < 5; src++) { - if ((0x1 << (8 - src)) * nau8824->fs <= DMIC_CLK) + if (freq / (0x1 << src) <= DMIC_CLK) break; } - dev_dbg(nau8824->dev, "dmic src %d for mclk %d\n", src, nau8824->fs * 256); + dev_dbg(nau8824->dev, "dmic src %d for mclk %d\n", src, freq); regmap_update_bits(nau8824->regmap, NAU8824_REG_CLK_DIVIDER, NAU8824_CLK_DMIC_SRC_MASK, (src << NAU8824_CLK_DMIC_SRC_SFT)); @@ -1871,6 +1884,10 @@ static int nau8824_read_device_properties(struct device *dev, if (ret) nau8824->jack_eject_debounce = 1; + nau8824->mclk = devm_clk_get(dev, "mclk"); + if (PTR_ERR(nau8824->mclk) == -EPROBE_DEFER) + return -EPROBE_DEFER; + return 0; } diff --git a/sound/soc/codecs/nau8824.h b/sound/soc/codecs/nau8824.h index 5fcfc43dfc85..d8e19515133c 100644 --- a/sound/soc/codecs/nau8824.h +++ b/sound/soc/codecs/nau8824.h @@ -434,6 +434,7 @@ struct nau8824 { struct snd_soc_jack *jack; struct work_struct jdet_work; struct semaphore jd_sem; 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Received: by smtp51.i.mail.ru with esmtpa (envelope-from ) id 1sN4wR-0000000DKRj-3wLX; Fri, 28 Jun 2024 09:18:40 +0300 From: Maxim Kochetkov To: Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , John Hsu Cc: Maxim Kochetkov , linux-sound@vger.kernel.org, devicetree@vger.kernel.org, alsa-devel@alsa-project.org Subject: [PATCH v2 2/2] ASoC: dt-bindings: nau8824: Add master clock handling Date: Fri, 28 Jun 2024 09:17:47 +0300 Message-ID: <20240628061750.11141-3-fido_max@inbox.ru> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240628061750.11141-1-fido_max@inbox.ru> References: <20240628061750.11141-1-fido_max@inbox.ru> MIME-Version: 1.0 Authentication-Results: smtp51.i.mail.ru; auth=pass smtp.auth=fido_max@inbox.ru smtp.mailfrom=fido_max@inbox.ru X-Mailru-Src: smtp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eAau8CL7WIMRKs4sN3D3tLDjz0dLbV79QFUyzQ2Ujvy7cMT6pYYqY16iZVKkSc3dCLJ7zSJH7+u4VD18S7Vl4ZUrpaVfd2+vE6kuoey4m4VkSEu530nj6fImhcD4MUrOEAnl0W826KZ9Q+tr5ycPtXkTV4k65bRjmOUUP8cvGozZ33TWg5HZplvhhXbhDGzqmQDTd6OAevLeAnq3Ra9uf7zvY2zzsIhlcp/Y7m53TZgf2aB4JOg4gkr2biojOl9CAQoHe3k171cwe9KjCA== X-Mailru-Sender: 689FA8AB762F7393C6D0B12EA33CAA9B23491F84E0F7D155A12365E67D9B78B7823688C44C93D6BA90DE4A6105A3658D481B2AED7BCCC0A49AE3A01A4DD0D55C6C99E19F044156F45FEEDEB644C299C0ED14614B50AE0675 X-Mras: Ok Message-ID-Hash: SOXM5LFKKOSJ3B2SF7DC4JHQDUT6ZWM6 X-Message-ID-Hash: SOXM5LFKKOSJ3B2SF7DC4JHQDUT6ZWM6 X-MailFrom: fido_max@inbox.ru X-Mailman-Rule-Misses: dmarc-mitigation; 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Signed-off-by: Maxim Kochetkov --- .../devicetree/bindings/sound/nuvoton,nau8824.yaml | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/nuvoton,nau8824.yaml b/Documentation/devicetree/bindings/sound/nuvoton,nau8824.yaml index 3dbf438c3841..232dc16a94a3 100644 --- a/Documentation/devicetree/bindings/sound/nuvoton,nau8824.yaml +++ b/Documentation/devicetree/bindings/sound/nuvoton,nau8824.yaml @@ -23,6 +23,14 @@ properties: '#sound-dai-cells': const: 0 + clocks: + items: + - description: The phandle of the master clock to the CODEC + + clock-names: + items: + - const: mclk + interrupts: maxItems: 1