From nobody Tue Apr 7 02:37:15 2026 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 2E9A73DA5C8; Mon, 16 Mar 2026 18:23:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773685395; cv=none; b=MFgfpHHWMqJ7uopOVtgnXIhibIzHk81kV9K79KpB5cYUvRnb+qB7HBpBoABkn2ZpiiZN9KGqwZDvezTdsyhOaumO1n6jH/TVHxPDI1uPqmATWLszn2aEI8q35nEm7b1RWpaCBxOMrgJHjBgPrq+HFEJeR/2gqTlOisK+8vs8AXw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773685395; c=relaxed/simple; bh=HGO3OOLu11jOTIotRzoqHyXFhbc0NsvCC6OCQWzZChM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=mKEOfLtbaKBX/e9dYHENRjpkdYNlEKbWOU9MuT7MBuMQ0NnKeWHCQy+7WCIQP/LeRfInqrPBCWcx2MKbFgGpk3++TxtPdbG5JCqEefjRxEPJEhyPiej1T9NicTkWeBHUdaMKmciNaYwVJvVnVkljaMdgbJCtyFEx/JRduakENmU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=QpQDV7/2; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="QpQDV7/2" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1773685391; bh=HGO3OOLu11jOTIotRzoqHyXFhbc0NsvCC6OCQWzZChM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=QpQDV7/2fsFiMtihFTpTRLVAW1f3hxfAV1aesAQKuWWoOvLtTCeuy9TeuWdK7tb4Z 7RjxxbGX3dcg8+CREfnTaRJAat0fkn440Us7HgCMcN64eefxfbn9XegwirgE5LRl8A cjYMSZ6kf+t2C76l/nBg2XAJE6FwkJBlG24VPKBE2Y011MvaTF7A3D8XCHyh/qLbZr SYveTBSPzkIxSPwHSlJyQgzRQQ4InqxgkBTSDKrJUbCZsBFWHQosC/Oj/8225rd+hi vv4WbcfSgHa0doNT1+fgpyzZ8EuTQNKQD43zan8u/lSl8oynBQgiuzOjoidYQilV8p MabzMFnt+1JOA== Received: from jupiter.universe (dyndsl-091-248-189-119.ewe-ip-backbone.de [91.248.189.119]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: sre) by bali.collaboradmins.com (Postfix) with ESMTPSA id 5C48917E0EFE; Mon, 16 Mar 2026 19:23:11 +0100 (CET) Received: by jupiter.universe (Postfix, from userid 1000) id 12BFF48002C; Mon, 16 Mar 2026 19:23:11 +0100 (CET) From: Sebastian Reichel Date: Mon, 16 Mar 2026 19:23:00 +0100 Subject: [PATCH 1/2] dt-bindings: ASoC: rockchip: Add compatible for RK3576 SPDIF 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: <20260316-rk3576-spdif-v1-1-acb75088b560@collabora.com> References: <20260316-rk3576-spdif-v1-0-acb75088b560@collabora.com> In-Reply-To: <20260316-rk3576-spdif-v1-0-acb75088b560@collabora.com> To: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner Cc: Alexey Charkov , linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com, Sebastian Reichel X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=827; i=sebastian.reichel@collabora.com; h=from:subject:message-id; bh=HGO3OOLu11jOTIotRzoqHyXFhbc0NsvCC6OCQWzZChM=; b=owJ4nAFtApL9kA0DAAoB2O7X88g7+poByyZiAGm4So5g1+1/DpTsSGBarerila7iw/g9lPMiB JbgHvXhFgbqnokCMwQAAQoAHRYhBO9mDQdGP4tyanlUE9ju1/PIO/qaBQJpuEqOAAoJENju1/PI O/qaedIP/22o0FoajFUdurX76u/vT3Pk1FbtUsSFOcHzSIhQzW3HtmPD2j0nB2imDa0/w6mmH/3 hEZS85aKTEtsMHdqnHwNTR2pKpUL8qKWKQ5XSW7pAUcs2l9baNE1wYfTvQumwuTMkJNXT0OQXCB y9k0rDpyX4IoScOwSO9eHpBT7/mdmnVDTZVbdwLCW7THxywpWbMyQmurvp29z3SlCzIQzsQe5Eb nYMtJ7rMoY7Y9J9i2potyUfldf6Z2dFl/E6y81LYBd3YV11L4WihpkyW8iEeHsYbW0FwFtFhjR5 7XP4Y6fMgVsgR/9UUS7rCR1XePy4qImpCKwvxA2oPm3AAA1QEstSv1ndZwCCzQJIBvHc6pJKa5R XEtpN3EEFQtTKwO41yAHfdyxuIMkEU4DBYqAHjLPpowFCnunzAQx+CcXcDWVQ77ywWBLRBrprIs hmGp2Wz7fOHH7g8HhjQJ73URqJmOxYK6/5vSPLnRilF4JkPSPafG3Ig7Bl5ZR1rQGVR1M6H/GGT Rk1EwOQ15j4EoW5K4H6cVt0WBf4HQxFZ8bfKdWVWWAxVV4cdRT5hGkE5NdO8zDP0MTExeEbYiYZ 9QOZNCa/TShELiEqImQyk5zRSTvUezI7EviutH2qEYdfPadof369hdKY87LqZlPerVo6NyVgFVo waryQ7tXvsrW2J/K6fdoumA== X-Developer-Key: i=sebastian.reichel@collabora.com; a=openpgp; fpr=EF660D07463F8B726A795413D8EED7F3C83BFA9A Add a compatible string for SPDIF on RK3576, which is similar to the one on RK3568. Signed-off-by: Sebastian Reichel Acked-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/sound/rockchip-spdif.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/sound/rockchip-spdif.yaml b/= Documentation/devicetree/bindings/sound/rockchip-spdif.yaml index 56c755c22945..502907dd28b3 100644 --- a/Documentation/devicetree/bindings/sound/rockchip-spdif.yaml +++ b/Documentation/devicetree/bindings/sound/rockchip-spdif.yaml @@ -33,6 +33,7 @@ properties: - const: rockchip,rk3066-spdif - items: - enum: + - rockchip,rk3576-spdif - rockchip,rk3588-spdif - const: rockchip,rk3568-spdif =20 --=20 2.51.0 From nobody Tue Apr 7 02:37:15 2026 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 2FE233DA5CA; Mon, 16 Mar 2026 18:23:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Mon, 16 Mar 2026 19:23:11 +0100 (CET) Received: by jupiter.universe (Postfix, from userid 1000) id 12669480028; Mon, 16 Mar 2026 19:23:11 +0100 (CET) From: Sebastian Reichel Date: Mon, 16 Mar 2026 19:23:01 +0100 Subject: [PATCH 2/2] arm64: dts: rockchip: Add SPDIF nodes to RK3576 device tree 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: <20260316-rk3576-spdif-v1-2-acb75088b560@collabora.com> References: <20260316-rk3576-spdif-v1-0-acb75088b560@collabora.com> In-Reply-To: <20260316-rk3576-spdif-v1-0-acb75088b560@collabora.com> To: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner Cc: Alexey Charkov , linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com, Sebastian Reichel X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; 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a=openpgp; fpr=EF660D07463F8B726A795413D8EED7F3C83BFA9A Add support for all six SPDIF transmitters found in the RK3576. The nodes have been taken over from the BSP kernel and checked against the TRM (power domain descriptions from chapter 6.3.2, addresses from "Table 1-1 Address Mapping", interrupt from "Table 1-3 RK3576 Interrupt Connection List" (TRM numbers are off by 32 due to SGI/PPI not being numbered separately). The TRM lacks a proper clock tree, but fortunately are quite obvious for the SPDIF IP. Note, that the RK3576 also has 3 SPDIF receivers, which need their own binding and are not handled in this patch. A typical use case for the SPDIF transmitters is audio support for the Displayport (DP) controller. DP requires inserting PCUV control bits, which requires software support when using I2S. The SPDIF IP can add it automatically and thus is preferred. Signed-off-by: Sebastian Reichel --- arch/arm64/boot/dts/rockchip/rk3576.dtsi | 82 ++++++++++++++++++++++++++++= ++++ 1 file changed, 82 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3576.dtsi b/arch/arm64/boot/dts= /rockchip/rk3576.dtsi index 53ff6bd027af..b03dd69eca3c 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3576.dtsi @@ -1379,6 +1379,19 @@ vop_mmu: iommu@27d07e00 { status =3D "disabled"; }; =20 + spdif_tx2: spdif-tx@27d20000 { + compatible =3D "rockchip,rk3576-spdif", "rockchip,rk3568-spdif"; + reg =3D <0x0 0x27d20000 0x0 0x1000>; + interrupts =3D ; + clocks =3D <&cru MCLK_SPDIF_TX2>, <&cru HCLK_SPDIF_TX2>; + clock-names =3D "mclk", "hclk"; + dmas =3D <&dmac2 28>; + dma-names =3D "tx"; + power-domains =3D <&power RK3576_PD_VO0>; + #sound-dai-cells =3D <0>; + status =3D "disabled"; + }; + sai5: sai@27d40000 { compatible =3D "rockchip,rk3576-sai"; reg =3D <0x0 0x27d40000 0x0 0x1000>; @@ -1511,6 +1524,45 @@ dp0_out: port@1 { }; }; =20 + spdif_tx3: spdif-tx@27ea0000 { + compatible =3D "rockchip,rk3576-spdif", "rockchip,rk3568-spdif"; + reg =3D <0x0 0x27ea0000 0x0 0x1000>; + interrupts =3D ; + clocks =3D <&cru MCLK_SPDIF_TX3>, <&cru HCLK_SPDIF_TX3>; + clock-names =3D "mclk", "hclk"; + dmas =3D <&dmac2 29>; + dma-names =3D "tx"; + power-domains =3D <&power RK3576_PD_VO1>; + #sound-dai-cells =3D <0>; + status =3D "disabled"; + }; + + spdif_tx4: spdif-tx@27eb0000 { + compatible =3D "rockchip,rk3576-spdif", "rockchip,rk3568-spdif"; + reg =3D <0x0 0x27eb0000 0x0 0x1000>; + interrupts =3D ; + clocks =3D <&cru MCLK_SPDIF_TX4>, <&cru HCLK_SPDIF_TX4>; + clock-names =3D "mclk", "hclk"; + dmas =3D <&dmac1 6>; + dma-names =3D "tx"; + power-domains =3D <&power RK3576_PD_VO1>; + #sound-dai-cells =3D <0>; + status =3D "disabled"; + }; + + spdif_tx5: spdif-tx@27ec0000 { + compatible =3D "rockchip,rk3576-spdif", "rockchip,rk3568-spdif"; + reg =3D <0x0 0x27ec0000 0x0 0x1000>; + interrupts =3D ; + clocks =3D <&cru MCLK_SPDIF_TX5>, <&cru HCLK_SPDIF_TX5>; + clock-names =3D "mclk", "hclk"; + dmas =3D <&dmac0 25>; + dma-names =3D "tx"; + power-domains =3D <&power RK3576_PD_VO1>; + #sound-dai-cells =3D <0>; + status =3D "disabled"; + }; + sai7: sai@27ed0000 { compatible =3D "rockchip,rk3576-sai"; reg =3D <0x0 0x27ed0000 0x0 0x1000>; @@ -2166,6 +2218,36 @@ &sai4m0_sdi status =3D "disabled"; }; =20 + spdif_tx0: spdif-tx@2a670000 { + compatible =3D "rockchip,rk3576-spdif", "rockchip,rk3568-spdif"; + reg =3D <0x0 0x2a670000 0x0 0x1000>; + interrupts =3D ; + clocks =3D <&cru MCLK_SPDIF_TX0>, <&cru HCLK_SPDIF_TX0>; + clock-names =3D "mclk", "hclk"; + dmas =3D <&dmac0 5>; + dma-names =3D "tx"; + power-domains =3D <&power RK3576_PD_AUDIO>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&spdifm0_tx0>; + #sound-dai-cells =3D <0>; + status =3D "disabled"; + }; + + spdif_tx1: spdif-tx@2a680000 { + compatible =3D "rockchip,rk3576-spdif", "rockchip,rk3568-spdif"; + reg =3D <0x0 0x2a680000 0x0 0x1000>; + interrupts =3D ; + clocks =3D <&cru MCLK_SPDIF_TX1>, <&cru HCLK_SPDIF_TX1>; + clock-names =3D "mclk", "hclk"; + dmas =3D <&dmac1 5>; + dma-names =3D "tx"; + power-domains =3D <&power RK3576_PD_AUDIO>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&spdifm0_tx1>; + #sound-dai-cells =3D <0>; + status =3D "disabled"; + }; + gic: interrupt-controller@2a701000 { compatible =3D "arm,gic-400"; reg =3D <0x0 0x2a701000 0 0x10000>, --=20 2.51.0