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Fri, 16 Oct 2020 17:35:44 +0000 (UTC) From: Richard Fitzgerald To: , , Subject: [PATCH v2 0/7] Add support for Rpi4b + Cirrus Lochnagar2 and CS47L15 Date: Fri, 16 Oct 2020 18:35:34 +0100 Message-ID: <20201016173541.21180-1-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 lowpriorityscore=0 malwarescore=0 priorityscore=1501 suspectscore=0 impostorscore=0 mlxscore=0 spamscore=0 bulkscore=0 mlxlogscore=871 clxscore=1015 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2010160130 Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, patches@opensource.cirrus.com, linux-kernel@vger.kernel.org, Richard Fitzgerald , linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org 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" This set of patches provides support for using the Raspberry Pi 4b with a Cirrus Logic Lochnagar 2 audio development platform plus Cirrus Logic CS47L15 codec. Patches are needed to audio-graph-card to enable support for setting the component sysclks and plls. The codec sysclks and plls cannot be placed under the clock framwork because they are I2C/SPI-connected peripherals and access to the registers would cause a nested get of the I2C/SPI bus clock. The clock framework does not support this and it would result in a deadlock. Richard Fitzgerald (7): of: base: Add of_count_phandle_with_fixed_args() ASoC: audio-graph-card: Add plls and sysclks DT bindings ASoC: audio-graph-card: Support setting component plls and sysclks ASoC: arizona: Allow codecs to be selected from kernel config ASoC: madera: Allow codecs to be selected from kernel config ARM: dts: Add dts for RPi4b + Cirrus Logic Lochnagar2 + CS47L15 MAINTAINERS: Add dts for Cirrus Logic Lochnagar on RPi4 .../bindings/sound/audio-graph-card.txt | 44 ++++ MAINTAINERS | 1 + arch/arm/boot/dts/Makefile | 1 + ...bcm2711-rpi4b-cirrus-lochnagar-cs47l15.dts | 166 +++++++++++++++ .../dts/bcm2711-rpi4b-cirrus-lochnagar.dtsi | 201 ++++++++++++++++++ drivers/of/base.c | 73 +++++-- include/linux/of.h | 9 + include/sound/simple_card_utils.h | 24 +++ sound/soc/codecs/Kconfig | 18 +- sound/soc/generic/audio-graph-card.c | 16 +- sound/soc/generic/simple-card-utils.c | 184 ++++++++++++++++ 11 files changed, 703 insertions(+), 34 deletions(-) create mode 100644 arch/arm/boot/dts/bcm2711-rpi4b-cirrus-lochnagar-cs47l15.dts create mode 100644 arch/arm/boot/dts/bcm2711-rpi4b-cirrus-lochnagar.dtsi -- 2.20.1