From patchwork Mon Jul 22 16:05:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olivier MOYSAN X-Patchwork-Id: 11052905 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9F7C613AC for ; Mon, 22 Jul 2019 16:06:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8DA1628421 for ; Mon, 22 Jul 2019 16:06:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7FC8028562; Mon, 22 Jul 2019 16:06:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 2CC18284C3 for ; 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Mon, 22 Jul 2019 18:06:05 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id EDCE134; Mon, 22 Jul 2019 16:06:03 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id BD08A52BD; Mon, 22 Jul 2019 16:06:03 +0000 (GMT) Received: from SAFEX1HUBCAS21.st.com (10.75.90.45) by Safex1hubcas22.st.com (10.75.90.92) with Microsoft SMTP Server (TLS) id 14.3.439.0; Mon, 22 Jul 2019 18:06:03 +0200 Received: from localhost (10.201.23.16) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.439.0; Mon, 22 Jul 2019 18:06:03 +0200 From: Olivier Moysan To: , , , , , , , , , , , , , , , , , Subject: [PATCH v2 1/3] drm/bridge: sii902x: fix missing reference to mclk clock Date: Mon, 22 Jul 2019 18:05:58 +0200 Message-ID: <1563811560-29589-2-git-send-email-olivier.moysan@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1563811560-29589-1-git-send-email-olivier.moysan@st.com> References: <1563811560-29589-1-git-send-email-olivier.moysan@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.16] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-22_12:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190722_090626_033213_419BC509 X-CRM114-Status: GOOD ( 11.76 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add devm_clk_get call to retrieve reference to master clock. Fixes: ff5781634c41 ("drm/bridge: sii902x: Implement HDMI audio support") Signed-off-by: Olivier Moysan Reviewed-by: Jyri Sarha Acked-by: Andrzej Hajda audio.i2s_fifo_sequence[i] |= audio_fifo_id[i] | i2s_lane_id[lanes[i]] | SII902X_TPI_I2S_FIFO_ENABLE; + sii902x->audio.mclk = devm_clk_get(dev, "mclk"); if (IS_ERR(sii902x->audio.mclk)) { dev_err(dev, "%s: No clock (audio mclk) found: %ld\n", __func__, PTR_ERR(sii902x->audio.mclk)); From patchwork Mon Jul 22 16:05:59 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olivier MOYSAN X-Patchwork-Id: 11052903 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B82F813B1 for ; Mon, 22 Jul 2019 16:06:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A365428421 for ; Mon, 22 Jul 2019 16:06:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 93E3628562; 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Mon, 22 Jul 2019 16:06:04 +0000 (GMT) Received: from SAFEX1HUBCAS21.st.com (10.75.90.45) by SAFEX1HUBCAS23.st.com (10.75.90.46) with Microsoft SMTP Server (TLS) id 14.3.439.0; Mon, 22 Jul 2019 18:06:04 +0200 Received: from localhost (10.201.23.16) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.439.0; Mon, 22 Jul 2019 18:06:04 +0200 From: Olivier Moysan To: , , , , , , , , , , , , , , , , , Subject: [PATCH v2 2/3] dt-bindings: display: sii902x: Change audio mclk binding Date: Mon, 22 Jul 2019 18:05:59 +0200 Message-ID: <1563811560-29589-3-git-send-email-olivier.moysan@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1563811560-29589-1-git-send-email-olivier.moysan@st.com> References: <1563811560-29589-1-git-send-email-olivier.moysan@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.16] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-22_12:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190722_090625_709808_67022F03 X-CRM114-Status: GOOD ( 11.62 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP As stated in SiL9022/24 datasheet, master clock is not required for I2S. Make mclk property optional in DT bindings. Fixes: 3f18021f43a3 ("dt-bindings: display: sii902x: Add HDMI audio bindings") Signed-off-by: Olivier Moysan Reviewed-by: Jyri Sarha Acked-by: Andrzej Hajda --- Documentation/devicetree/bindings/display/bridge/sii902x.txt | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/display/bridge/sii902x.txt b/Documentation/devicetree/bindings/display/bridge/sii902x.txt index 2df44b7d3821..6e14e087c0d0 100644 --- a/Documentation/devicetree/bindings/display/bridge/sii902x.txt +++ b/Documentation/devicetree/bindings/display/bridge/sii902x.txt @@ -26,9 +26,8 @@ Optional properties: - clocks: phandle and clock specifier for each clock listed in the clock-names property - clock-names: "mclk" - Describes SII902x MCLK input. MCLK is used to produce - HDMI audio CTS values. This property is required if - "#sound-dai-cells"-property is present. This property follows + Describes SII902x MCLK input. MCLK can be used to produce + HDMI audio CTS values. This property follows Documentation/devicetree/bindings/clock/clock-bindings.txt consumer binding. From patchwork Mon Jul 22 16:06:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olivier MOYSAN X-Patchwork-Id: 11052907 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E5C3813AC for ; Mon, 22 Jul 2019 16:07:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D102728421 for ; Mon, 22 Jul 2019 16:07:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C436828562; Mon, 22 Jul 2019 16:07:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EB42D28421 for ; 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Mon, 22 Jul 2019 18:06:06 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id F053831; Mon, 22 Jul 2019 16:06:05 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id D3D6F52BB; Mon, 22 Jul 2019 16:06:05 +0000 (GMT) Received: from SAFEX1HUBCAS21.st.com (10.75.90.45) by Safex1hubcas22.st.com (10.75.90.92) with Microsoft SMTP Server (TLS) id 14.3.439.0; Mon, 22 Jul 2019 18:06:05 +0200 Received: from localhost (10.201.23.16) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.439.0; Mon, 22 Jul 2019 18:06:05 +0200 From: Olivier Moysan To: , , , , , , , , , , , , , , , , , Subject: [PATCH v2 3/3] drm/bridge: sii902x: make audio mclk optional Date: Mon, 22 Jul 2019 18:06:00 +0200 Message-ID: <1563811560-29589-4-git-send-email-olivier.moysan@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1563811560-29589-1-git-send-email-olivier.moysan@st.com> References: <1563811560-29589-1-git-send-email-olivier.moysan@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.16] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-22_12:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190722_090625_708832_15CC87EB X-CRM114-Status: GOOD ( 14.47 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The master clock on i2s bus is not mandatory, as sii902X internal PLL can be used instead. Make use of mclk optional. Signed-off-by: Olivier Moysan Reviewed-by: Jyri Sarha Acked-by: Andrzej Hajda --- drivers/gpu/drm/bridge/sii902x.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c index 962931c20efe..a323815aa9b6 100644 --- a/drivers/gpu/drm/bridge/sii902x.c +++ b/drivers/gpu/drm/bridge/sii902x.c @@ -568,13 +568,14 @@ static int sii902x_audio_hw_params(struct device *dev, void *data, return ret; } - mclk_rate = clk_get_rate(sii902x->audio.mclk); - - ret = sii902x_select_mclk_div(&i2s_config_reg, params->sample_rate, - mclk_rate); - if (mclk_rate != ret * params->sample_rate) - dev_dbg(dev, "Inaccurate reference clock (%ld/%d != %u)\n", - mclk_rate, ret, params->sample_rate); + if (sii902x->audio.mclk) { + mclk_rate = clk_get_rate(sii902x->audio.mclk); + ret = sii902x_select_mclk_div(&i2s_config_reg, + params->sample_rate, mclk_rate); + if (mclk_rate != ret * params->sample_rate) + dev_dbg(dev, "Inaccurate reference clock (%ld/%d != %u)\n", + mclk_rate, ret, params->sample_rate); + } mutex_lock(&sii902x->mutex); @@ -751,11 +752,11 @@ static int sii902x_audio_codec_init(struct sii902x *sii902x, sii902x->audio.i2s_fifo_sequence[i] |= audio_fifo_id[i] | i2s_lane_id[lanes[i]] | SII902X_TPI_I2S_FIFO_ENABLE; - sii902x->audio.mclk = devm_clk_get(dev, "mclk"); + sii902x->audio.mclk = devm_clk_get_optional(dev, "mclk"); if (IS_ERR(sii902x->audio.mclk)) { dev_err(dev, "%s: No clock (audio mclk) found: %ld\n", __func__, PTR_ERR(sii902x->audio.mclk)); - return 0; + return PTR_ERR(sii902x->audio.mclk); } sii902x->audio.pdev = platform_device_register_data(