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charset="utf-8" Add resets property to dsp node in order to be able to control the dsp run/stall bit from audio block control. Reviewed-by: Peng Fan Reviewed-by: Frank Li Signed-off-by: Daniel Baluta --- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dt= s/freescale/imx8mp.dtsi index ce6793b2d57e..3b725fe442d0 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -6,6 +6,7 @@ #include #include #include +#include #include #include #include @@ -2422,6 +2423,8 @@ dsp: dsp@3b6e8000 { mboxes =3D <&mu2 2 0>, <&mu2 2 1>, <&mu2 3 0>, <&mu2 3 1>; memory-region =3D <&dsp_reserved>; + resets =3D <&audio_blk_ctrl IMX8MP_AUDIOMIX_DSP_RUNSTALL>; + reset-names =3D "runstall"; status =3D "disabled"; }; }; --=20 2.43.0 From nobody Thu Dec 18 05:07:19 2025 Received: from EUR03-DBA-obe.outbound.protection.outlook.com (mail-dbaeur03on2051.outbound.protection.outlook.com [40.107.104.51]) (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 71861253B74; 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charset="utf-8" Enable MU2 node and add mu2 root clock. MU2 is used to communicate with DSP core. Reviewed-by: Iuliana Prodan Reviewed-by: Peng Fan Signed-off-by: Daniel Baluta --- arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 4 ++++ arch/arm64/boot/dts/freescale/imx8mp.dtsi | 1 + 2 files changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot= /dts/freescale/imx8mp-evk.dts index c26954e5a605..d2fdb420f2d3 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -690,6 +690,10 @@ dsi_out: endpoint { }; }; =20 +&mu2 { + status =3D "okay"; +}; + &pcie_phy { fsl,refclk-pad-mode =3D ; clocks =3D <&pcie0_refclk>; diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dt= s/freescale/imx8mp.dtsi index 3b725fe442d0..deb98f03180a 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -1254,6 +1254,7 @@ mu2: mailbox@30e60000 { interrupts =3D ; #mbox-cells =3D <2>; status =3D "disabled"; + clocks =3D <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_MU2_ROOT>; 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charset="utf-8" DSP can be used with various frameworks (e.g audio firmware, rproc). Currently 'dsp' configuration is intended for audio firmware but it doesn't work well with board level DTs (e.g imx8mp-evk) because board level DT enables audio related IPs (e.g SAI) while audio firmware needs this IPs disabled (because firmware will configure them). So, configure 'dsp' node to be used with rproc. This way users will be able to use board DT to use the DSP as long as they don't clash with Audio IP configurations. More comples usage of 'dsp' node (e.g by audio firmware) will need to create a separate dts file (or an overlay). This change follows the approach taken for other i.MX8 boards in commit 391a319c81f6d7 ("arm64: dts: imx8-ss-audio: configure dsp node for rproc usage") Reviewed-by: Iuliana Prodan Reviewed-by: Peng Fan Signed-off-by: Daniel Baluta --- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dt= s/freescale/imx8mp.dtsi index deb98f03180a..5f9421316ecc 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -281,7 +281,7 @@ reserved-memory { ranges; =20 dsp_reserved: dsp@92400000 { - reg =3D <0 0x92400000 0 0x2000000>; + reg =3D <0 0x92400000 0 0x1000000>; no-map; status =3D "disabled"; }; @@ -2417,13 +2417,12 @@ usb_dwc3_1: usb@38200000 { }; =20 dsp: dsp@3b6e8000 { - compatible =3D "fsl,imx8mp-dsp"; + compatible =3D "fsl,imx8mp-hifi4"; reg =3D <0x3b6e8000 0x88000>; - mbox-names =3D "txdb0", "txdb1", - "rxdb0", "rxdb1"; 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Wed, 19 Mar 2025 09:45:36 +0000 Received: from AS8PR04MB8247.eurprd04.prod.outlook.com ([fe80::84f7:e2c3:ceed:c0a6]) by AS8PR04MB8247.eurprd04.prod.outlook.com ([fe80::84f7:e2c3:ceed:c0a6%5]) with mapi id 15.20.8534.031; Wed, 19 Mar 2025 09:45:36 +0000 From: Daniel Baluta To: shawnguo@kernel.org, robh@kernel.org Cc: s.hauer@pengutronix.de, kernel@pengutronix.de, krzk+dt@kernel.org, conor+dt@kernel.org, festevam@gmail.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, frank.li@nxp.com, aisheng.dong@nxp.com, daniel.baluta@gmail.com, laurentiu.mihalcea@nxp.com, shengjiu.wang@nxp.com, iuliana.prodan@nxp.com, a.fatoum@pengutronix.de, mathieu.poirier@linaro.org, linux-remoteproc@vger.kernel.org, Daniel Baluta , Peng Fan Subject: [PATCH v6 4/5] arm64: dts: imx8mp: Add DSP clocks Date: Wed, 19 Mar 2025 11:46:20 +0200 Message-ID: <20250319094621.2353442-5-daniel.baluta@nxp.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250319094621.2353442-1-daniel.baluta@nxp.com> References: <20250319094621.2353442-1-daniel.baluta@nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: AM0PR10CA0069.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:15::22) To AS8PR04MB8247.eurprd04.prod.outlook.com (2603:10a6:20b:3f2::13) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS8PR04MB8247:EE_|AM8PR04MB7346:EE_ X-MS-Office365-Filtering-Correlation-Id: 2bfd71fa-6f1c-4b05-b12e-08dd66caccc1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|52116014|366016|1800799024|38350700014; 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charset="utf-8" DSP core needs ocram, core and debug clocks. Reviewed-by: Iuliana Prodan Reviewed-by: Peng Fan Signed-off-by: Daniel Baluta --- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dt= s/freescale/imx8mp.dtsi index 5f9421316ecc..5e5cbad9a98a 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -2419,6 +2419,11 @@ usb_dwc3_1: usb@38200000 { dsp: dsp@3b6e8000 { compatible =3D "fsl,imx8mp-hifi4"; reg =3D <0x3b6e8000 0x88000>; + clocks =3D <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_DSP_ROOT>, + <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_OCRAMA_IPG>, + <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_DSP_ROOT>, + <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_DSPDBG_ROOT>; + clock-names =3D "ipg", "ocram", "core", "debug"; power-domains =3D <&pgc_audio>; mbox-names =3D "tx", "rx", "rxdb"; mboxes =3D <&mu2 0 0>, <&mu2 1 0>, <&mu2 3 0>; --=20 2.43.0 From nobody Thu Dec 18 05:07:19 2025 Received: from EUR03-DBA-obe.outbound.protection.outlook.com (mail-dbaeur03on2051.outbound.protection.outlook.com [40.107.104.51]) (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 E51C7254AE3; 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charset="utf-8" With imx8mp-evk board we are now configuring 'dsp' node for rproc usage, so add rproc specific memory regions. Also, enable dsp node because it is ready to be used. Reviewed-by: Ahmad Fatoum Reviewed-by: Iuliana Prodan Reviewed-by: Peng Fan Signed-off-by: Daniel Baluta --- arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot= /dts/freescale/imx8mp-evk.dts index d2fdb420f2d3..9ab3ee93a35b 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -309,6 +309,16 @@ &aud2htx { status =3D "okay"; }; =20 +&dsp_reserved { + status =3D "okay"; +}; + +&dsp { + memory-region =3D <&dsp_vdev0buffer>, <&dsp_vdev0vring0>, + <&dsp_vdev0vring1>, <&dsp_reserved>; + status =3D "okay"; +}; + &eqos { pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_eqos>; --=20 2.43.0