From nobody Tue Nov 26 01:37:52 2024 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5E8801A00DF; Wed, 23 Oct 2024 11:53:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729684389; cv=none; b=JRmgR3dmrjhw2hOoFZUZH79HtLAlkssBgduzrsYN+rV3ZwGgMrSntyyj3LSUnCpLW2ZG6PosplK7NbbiyYewxTZp3dnTrdMsuaAClpTHIiqYuzI9nxYftbzk7Gc87B89or07/RvszP3EWtaiiZbSuZIf6YM7QG7lJffg9VxbGSg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729684389; c=relaxed/simple; bh=0nXdny8O8iGUgqDAF00HrUd2uDNhZdKpP4uH+IQ26w0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=be4H0WnW9HuDmWxl7G1kEmJVyFYOAvrJ9+DwcqdoRsFBe+lOXCAKnn/q0zNbNp0LQJsZDNwgaE7UzxOP9KeLStgAsHboF1zHh3D29/buSzw7tBLYGDwnJidM94IMRpmL+/MvWywl4B3KwvmcG2x0UlAX9fvWp6FvPg3cXaGy4fU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=R59/aJfP; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="R59/aJfP" Received: from [127.0.1.1] (91-157-155-49.elisa-laajakaista.fi [91.157.155.49]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 1A3F5BDB; Wed, 23 Oct 2024 13:51:17 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1729684278; bh=0nXdny8O8iGUgqDAF00HrUd2uDNhZdKpP4uH+IQ26w0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=R59/aJfPnbpZGtwZ1qQSJtD3fHzTy14A3ZzkBQcjjudvVsnTsTwnBwVsMGRi9Dt8M dyZRJOgtXqbJScn0x5ETzrf//upNQZ9dQD6naMgX4DIjQ011j8KHJv8x3m+xTzSGv+ isbpH4g0GvtP/h4r4pwlUuhVcQKIZRv7QKa74Ad0= From: Tomi Valkeinen Date: Wed, 23 Oct 2024 14:52:41 +0300 Subject: [PATCH v4 1/3] dt-bindings: display/xlnx/zynqmp-dpsub: Add audio DMAs Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241023-xilinx-dp-audio-v4-1-5128881457be@ideasonboard.com> References: <20241023-xilinx-dp-audio-v4-0-5128881457be@ideasonboard.com> In-Reply-To: <20241023-xilinx-dp-audio-v4-0-5128881457be@ideasonboard.com> To: Lars-Peter Clausen , Jaroslav Kysela , Takashi Iwai , Liam Girdwood , Mark Brown , Laurent Pinchart , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michal Simek , Krzysztof Kozlowski , Simona Vetter Cc: linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Vishal Sagar , Anatoliy Klymenko , =?utf-8?q?P=C3=A9ter_Ujfalusi?= , Markus Elfring , Tomi Valkeinen , "Rob Herring (Arm)" X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2459; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=0nXdny8O8iGUgqDAF00HrUd2uDNhZdKpP4uH+IQ26w0=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBnGOOdpKBl+X813tbIgGTmzFFMPK3Gp7XP/9miR 7DrnReJ/BuJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZxjjnQAKCRD6PaqMvJYe 9eDPD/wLQU9l0Mgkos2zZlF6ZrXjFHLHao6agTr1lVZZUIzUjxr1af0QQDTny61xXmoye15/8DI QAAQEwPiE+lrKk3Km831bZx+X3Tjd18G3ag13jpZfng1dbTbzAbfw0ig1QBdKiIG/01H3mkfPvu Va8QPgpx0gomtOL1wgogGL51RBQDlBCAXgkQAKVPqftRxVVuA5XaHUkZvNhJzFsSq7q9hBo5HeF 4fG/RXkSlCSkkbJszudyuuA3sYp343O7cCyRNQaYSy1ffRT3x8FGlJtWXAjsxm/nIe+gBe2+ZSo coylP4n0U79uloKVyUI1zDDdNtUO0ZbZDKsEP7w9Ovn+4jDYhGM0y+WVxJWpoQwPmdqEdHxy6n2 3Z8jR2yQhta4IDtT7ksfgK7Yl9JxbF1brXoKftCmbt2JHwxrSdSKzPuplta0mSdZRqVlAuNhWrN GmNntwmcXE36tE5OKlhS3fbmIb3XbNjjvr2NU8E2ZY4ZzsTGHOvzjcCrOJA7gJS3b6rbt/UI7+l heCEXvjQjLNVy8Bs5rKNRQRB7qCgyUGQmuz20ULmYr/GdQLywiK6jAkI5r77c5L+iPojyk54UXn 4Xa+5Nl74vHt/akUuq6l0Z53AQ+KNck6JkMjI+91pBKiXDunDiI/TUP1Af5Yofp45KjdacjXGAE SO5CEDH1/vtxjHg== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 The DP subsystem for ZynqMP supports audio via two channels, and the DP DMA has dma-engines for those channels. For some reason the DT binding has not specified those channels, even if the picture included in xlnx,zynqmp-dpsub.yaml shows "2 x aud" DMAs. This hasn't caused any issues as the drivers have not supported audio, and has thus gone unnoticed. To make it possible to add the audio support to the driver, add the two audio DMAs to the binding. While strictly speaking this is an ABI break, there should be no regressions caused by this as we're adding new entries at the end of the dmas list, and, after the audio support has been added in "arm64: dts: zynqmp: Add DMA for DP audio", the driver will treat the audio DMAs as optional to also support the old bindings. Reviewed-by: Rob Herring (Arm) Signed-off-by: Tomi Valkeinen --- .../devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml | 10 ++++++= ++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dps= ub.yaml b/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.= yaml index 554f9d5809d4..6b754d4f260e 100644 --- a/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml +++ b/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml @@ -100,12 +100,16 @@ properties: - description: Video layer, plane 1 (U/V or U) - description: Video layer, plane 2 (V) - description: Graphics layer + - description: Audio channel 0 + - description: Audio channel 1 dma-names: items: - const: vid0 - const: vid1 - const: vid2 - const: gfx0 + - const: aud0 + - const: aud1 =20 phys: description: PHYs for the DP data lanes @@ -194,11 +198,13 @@ examples: power-domains =3D <&pd_dp>; resets =3D <&reset ZYNQMP_RESET_DP>; =20 - dma-names =3D "vid0", "vid1", "vid2", "gfx0"; + dma-names =3D "vid0", "vid1", "vid2", "gfx0", "aud0", "aud1"; dmas =3D <&xlnx_dpdma 0>, <&xlnx_dpdma 1>, <&xlnx_dpdma 2>, - <&xlnx_dpdma 3>; + <&xlnx_dpdma 3>, + <&xlnx_dpdma 4>, + <&xlnx_dpdma 5>; =20 phys =3D <&psgtr 1 PHY_TYPE_DP 0 3>, <&psgtr 0 PHY_TYPE_DP 1 3>; --=20 2.43.0