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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.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dt= s/freescale/imx8mp.dtsi index e0d3b8cba221..00924e0836db 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -1252,7 +1252,7 @@ mu2: mailbox@30e60000 { reg =3D <0x30e60000 0x10000>; interrupts =3D ; #mbox-cells =3D <2>; - status =3D "disabled"; + clocks =3D <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_MU2_ROOT>; }; =20 i2c5: i2c@30ad0000 { --=20 2.43.0 From nobody Thu Dec 18 09:43:01 2025 Received: from AS8PR03CU001.outbound.protection.outlook.com (mail-westeuropeazon11012005.outbound.protection.outlook.com [52.101.71.5]) (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 B294A205ADF; 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Received: from AS8PR04MB8247.eurprd04.prod.outlook.com (2603:10a6:20b:3f2::13) by AS4PR04MB9576.eurprd04.prod.outlook.com (2603:10a6:20b:4fe::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8422.15; Wed, 12 Feb 2025 08:51:36 +0000 Received: from AS8PR04MB8247.eurprd04.prod.outlook.com ([fe80::84f7:e2c3:ceed:c0a6]) by AS8PR04MB8247.eurprd04.prod.outlook.com ([fe80::84f7:e2c3:ceed:c0a6%4]) with mapi id 15.20.8445.013; Wed, 12 Feb 2025 08:51:36 +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, Daniel Baluta , Peng Fan Subject: [PATCH v4 2/6] arm64: dts: imx8mp: Configure dsp node for rproc usage Date: Wed, 12 Feb 2025 10:52:18 +0200 Message-ID: <20250212085222.107102-3-daniel.baluta@nxp.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250212085222.107102-1-daniel.baluta@nxp.com> References: <20250212085222.107102-1-daniel.baluta@nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: AS4P195CA0003.EURP195.PROD.OUTLOOK.COM (2603:10a6:20b:5e2::9) 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_|AS4PR04MB9576:EE_ X-MS-Office365-Filtering-Correlation-Id: 3edbbc7f-5681-4546-eacd-08dd4b4274e7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|7416014|52116014|366016|38350700014; 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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 | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dt= s/freescale/imx8mp.dtsi index 00924e0836db..2f94c55e4999 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -280,7 +280,7 @@ 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"; }; @@ -2414,12 +2414,12 @@ 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, 12 Feb 2025 08:51:41 +0000 Received: from AS8PR04MB8247.eurprd04.prod.outlook.com ([fe80::84f7:e2c3:ceed:c0a6]) by AS8PR04MB8247.eurprd04.prod.outlook.com ([fe80::84f7:e2c3:ceed:c0a6%4]) with mapi id 15.20.8445.013; Wed, 12 Feb 2025 08:51:41 +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, Daniel Baluta , Peng Fan Subject: [PATCH v4 3/6] arm64: dts: imx8mp: Add DSP clocks Date: Wed, 12 Feb 2025 10:52:19 +0200 Message-ID: <20250212085222.107102-4-daniel.baluta@nxp.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250212085222.107102-1-daniel.baluta@nxp.com> References: <20250212085222.107102-1-daniel.baluta@nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: AS4P195CA0003.EURP195.PROD.OUTLOOK.COM (2603:10a6:20b:5e2::9) 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_|AS4PR04MB9576:EE_ X-MS-Office365-Filtering-Correlation-Id: 2819334f-5c4c-4eb2-3a04-08dd4b427802 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|7416014|52116014|366016|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 | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dt= s/freescale/imx8mp.dtsi index 2f94c55e4999..14cfbd228b45 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -2416,6 +2416,10 @@ 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_OCRAMA_IPG>, + <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_DSP_ROOT>, + <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_DSPDBG_ROOT>; + clock-names =3D "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 09:43:01 2025 Received: from AS8PR03CU001.outbound.protection.outlook.com (mail-westeuropeazon11012005.outbound.protection.outlook.com [52.101.71.5]) (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 831DD205AD8; 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charset="utf-8" imx8mp audiomix contains a set of registers used to control the DSP. The dsp will use this to acquire o reference to audiomix registers and handle the registers to control the dsp. Acked-by: Krzysztof Kozlowski Reviewed-by: Iuliana Prodan Reviewed-by: Peng Fan Signed-off-by: Daniel Baluta --- .../devicetree/bindings/clock/imx8mp-audiomix.yaml | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/clock/imx8mp-audiomix.yaml b= /Documentation/devicetree/bindings/clock/imx8mp-audiomix.yaml index 6588a17a7d9a..0f870aaadba2 100644 --- a/Documentation/devicetree/bindings/clock/imx8mp-audiomix.yaml +++ b/Documentation/devicetree/bindings/clock/imx8mp-audiomix.yaml @@ -15,7 +15,9 @@ description: | =20 properties: compatible: - const: fsl,imx8mp-audio-blk-ctrl + items: + - const: fsl,imx8mp-audio-blk-ctrl + - const: syscon =20 reg: maxItems: 1 @@ -63,7 +65,7 @@ examples: #include =20 clock-controller@30e20000 { - compatible =3D "fsl,imx8mp-audio-blk-ctrl"; + compatible =3D "fsl,imx8mp-audio-blk-ctrl", "syscon"; reg =3D <0x30e20000 0x10000>; #clock-cells =3D <1>; clocks =3D <&clk IMX8MP_CLK_AUDIO_ROOT>, --=20 2.43.0 From nobody Thu Dec 18 09:43:01 2025 Received: from AS8PR03CU001.outbound.protection.outlook.com (mail-westeuropeazon11012005.outbound.protection.outlook.com [52.101.71.5]) (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 A2EFA2063EE; 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charset="utf-8" Audio block control contains a set of registers and some of them used for DSP configuration. Drivers (rproc, SOF) are using fsl,dsp-ctrl property in order to control the DSP, particularly for Run/Stall bit. Note that audio block control doesn't offer the functionality to reset thte DSP. Reset is done via DAP interface. Reviewed-by: Iuliana Prodan Reviewed-by: Peng Fan Signed-off-by: Daniel Baluta --- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dt= s/freescale/imx8mp.dtsi index 14cfbd228b45..46b33fbb9bd1 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -1609,7 +1609,7 @@ sdma2: dma-controller@30e10000 { }; =20 audio_blk_ctrl: clock-controller@30e20000 { - compatible =3D "fsl,imx8mp-audio-blk-ctrl"; + compatible =3D "fsl,imx8mp-audio-blk-ctrl", "syscon"; reg =3D <0x30e20000 0x10000>; #clock-cells =3D <1>; #reset-cells =3D <1>; @@ -2425,6 +2425,7 @@ dsp: dsp@3b6e8000 { mboxes =3D <&mu2 0 0>, <&mu2 1 0>, <&mu2 3 0>; firmware-name =3D "imx/dsp/hifi4.bin"; memory-region =3D <&dsp_reserved>; + fsl,dsp-ctrl =3D <&audio_blk_ctrl>; status =3D "disabled"; }; }; --=20 2.43.0 From nobody Thu Dec 18 09:43:01 2025 Received: from AS8PR04CU009.outbound.protection.outlook.com (mail-westeuropeazon11011063.outbound.protection.outlook.com [52.101.70.63]) (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 E889E207E1B; 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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 68e12a752edd..468bbb84ceaf 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -291,6 +291,16 @@ &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