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Sat, 25 Jul 2020 21:25:58 -0400 (EDT) From: Samuel Holland To: Mark Brown , Liam Girdwood , Rob Herring , Mark Rutland , Maxime Ripard , Chen-Yu Tsai , Jaroslav Kysela , Takashi Iwai Subject: [PATCH 1/7] ASoC: dt-bindings: Add a new compatible for the A64 codec Date: Sat, 25 Jul 2020 20:25:51 -0500 Message-Id: <20200726012557.38282-2-samuel@sholland.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200726012557.38282-1-samuel@sholland.org> References: <20200726012557.38282-1-samuel@sholland.org> MIME-Version: 1.0 Cc: Ondrej Jirman , devicetree@vger.kernel.org, alsa-devel@alsa-project.org, Samuel Holland , linux-kernel@vger.kernel.org, Vasily Khoruzhick , 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" The audio codecs in the A33 and A64 are both integrated variants of the X-Powers AC100 codec. However, there are some differences between them that merit having a separate compatible: - The A64 has a second DRC block, not present in the AC100 or A33. - The A33 has some extra muxing options for AIF1/2/3 in the AIF3_SGP_CTRL register, which are not present in the AC100 or A64. - The A33 is missing registers providing jack detection functionality. - The A33 is claimed to invert LRCK, but this is not seen on A64. Since the driver will continue to work on the A64 using the A33 compatible, albeit without jack detection functionality and with possibly inverted channels, as it does now, allow the A33 compatible to be used as a fallback. Signed-off-by: Samuel Holland Reviewed-by: Rob Herring --- .../bindings/sound/allwinner,sun8i-a33-codec.yaml | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun8i-a33-codec.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun8i-a33-codec.yaml index 55d28268d2f4..67405e6d8168 100644 --- a/Documentation/devicetree/bindings/sound/allwinner,sun8i-a33-codec.yaml +++ b/Documentation/devicetree/bindings/sound/allwinner,sun8i-a33-codec.yaml @@ -15,7 +15,11 @@ properties: const: 0 compatible: - const: allwinner,sun8i-a33-codec + oneOf: + - items: + - const: allwinner,sun50i-a64-codec + - const: allwinner,sun8i-a33-codec + - const: allwinner,sun8i-a33-codec reg: maxItems: 1