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Wed, 08 Jul 2020 05:08:44 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 947D8C433C6; Wed, 8 Jul 2020 05:08:44 +0000 (UTC) Received: from rohkumar-linux.qualcomm.com (blr-c-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: rohitkr) by smtp.codeaurora.org (Postfix) with ESMTPSA id C3BDCC433C6; Wed, 8 Jul 2020 05:08:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org C3BDCC433C6 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=rohitkr@codeaurora.org From: Rohit kumar To: agross@kernel.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, plai@codeaurora.org, bgoswami@codeaurora.org, perex@perex.cz, tiwai@suse.com, srinivas.kandagatla@linaro.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 1/8] ASoC: qcom: Add common array to initialize soc based core clocks Date: Wed, 8 Jul 2020 10:38:09 +0530 Message-Id: <1594184896-10629-2-git-send-email-rohitkr@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1594184896-10629-1-git-send-email-rohitkr@codeaurora.org> References: <1594184896-10629-1-git-send-email-rohitkr@codeaurora.org> Cc: Rohit kumar , Ajit Pandey 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" From: Ajit Pandey LPASS variants have their own soc specific clocks that needs to be enabled for MI2S audio support. Added a common variable in drvdata to initialize such clocks using bulk clk api. Such clock names is defined in variants specific data and needs to fetched during init. Signed-off-by: Ajit Pandey Signed-off-by: Rohit kumar --- sound/soc/qcom/lpass-apq8016.c | 39 +++++++++++++++++++-------------------- sound/soc/qcom/lpass.h | 10 +++++++--- 2 files changed, 26 insertions(+), 23 deletions(-) diff --git a/sound/soc/qcom/lpass-apq8016.c b/sound/soc/qcom/lpass-apq8016.c index b3610d0..8210e37 100644 --- a/sound/soc/qcom/lpass-apq8016.c +++ b/sound/soc/qcom/lpass-apq8016.c @@ -161,32 +161,27 @@ static int apq8016_lpass_free_dma_channel(struct lpass_data *drvdata, int chan) static int apq8016_lpass_init(struct platform_device *pdev) { struct lpass_data *drvdata = platform_get_drvdata(pdev); + struct lpass_variant *variant = drvdata->variant; struct device *dev = &pdev->dev; - int ret; + int ret, i; - drvdata->pcnoc_mport_clk = devm_clk_get(dev, "pcnoc-mport-clk"); - if (IS_ERR(drvdata->pcnoc_mport_clk)) { - dev_err(dev, "error getting pcnoc-mport-clk: %ld\n", - PTR_ERR(drvdata->pcnoc_mport_clk)); - return PTR_ERR(drvdata->pcnoc_mport_clk); - } - ret = clk_prepare_enable(drvdata->pcnoc_mport_clk); + drvdata->clks = devm_kcalloc(dev, variant->num_clks, + sizeof(*drvdata->clks), GFP_KERNEL); + drvdata->num_clks = variant->num_clks; + + for (i = 0; i < drvdata->num_clks; i++) + drvdata->clks[i].id = variant->clk_name[i]; + + ret = devm_clk_bulk_get(dev, drvdata->num_clks, drvdata->clks); if (ret) { - dev_err(dev, "Error enabling pcnoc-mport-clk: %d\n", ret); + dev_err(dev, "Failed to get clocks %d\n", ret); return ret; } - drvdata->pcnoc_sway_clk = devm_clk_get(dev, "pcnoc-sway-clk"); - if (IS_ERR(drvdata->pcnoc_sway_clk)) { - dev_err(dev, "error getting pcnoc-sway-clk: %ld\n", - PTR_ERR(drvdata->pcnoc_sway_clk)); - return PTR_ERR(drvdata->pcnoc_sway_clk); - } - - ret = clk_prepare_enable(drvdata->pcnoc_sway_clk); + ret = clk_bulk_prepare_enable(drvdata->num_clks, drvdata->clks); if (ret) { - dev_err(dev, "Error enabling pcnoc_sway_clk: %d\n", ret); + dev_err(dev, "apq8016 clk_enable failed\n"); return ret; } @@ -197,8 +192,7 @@ static int apq8016_lpass_exit(struct platform_device *pdev) { struct lpass_data *drvdata = platform_get_drvdata(pdev); - clk_disable_unprepare(drvdata->pcnoc_mport_clk); - clk_disable_unprepare(drvdata->pcnoc_sway_clk); + clk_bulk_disable_unprepare(drvdata->num_clks, drvdata->clks); return 0; } @@ -219,6 +213,11 @@ static struct lpass_variant apq8016_data = { .wrdma_reg_stride = 0x1000, .wrdma_channel_start = 5, .wrdma_channels = 2, + .clk_name = (const char*[]) { + "pcnoc-mport-clk", + "pcnoc-sway-clk", + }, + .num_clks = 2, .dai_driver = apq8016_lpass_cpu_dai_driver, .num_dai = ARRAY_SIZE(apq8016_lpass_cpu_dai_driver), .dai_osr_clk_names = (const char *[]) { diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index bd19ec5..450020e 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -51,9 +51,9 @@ struct lpass_data { /* used it for handling interrupt per dma channel */ struct snd_pcm_substream *substream[LPASS_MAX_DMA_CHANNELS]; - /* 8016 specific */ - struct clk *pcnoc_mport_clk; - struct clk *pcnoc_sway_clk; + /* SOC specific clock list */ + struct clk_bulk_data *clks; + int num_clks; }; @@ -89,6 +89,10 @@ struct lpass_variant { int num_dai; const char * const *dai_osr_clk_names; const char * const *dai_bit_clk_names; + + /* SOC specific clocks configuration */ + const char **clk_name; + int num_clks; }; /* register the platform driver from the CPU DAI driver */ -- Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc., is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.