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MU2 is used to communicate with DSP core. 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/dts/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 = <0x30e60000 0x10000>; interrupts = ; #mbox-cells = <2>; - status = "disabled"; + clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_MU2_ROOT>; }; i2c5: i2c@30ad0000 { From patchwork Tue Dec 10 12:53:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Baluta X-Patchwork-Id: 13901396 Received: from EUR03-VI1-obe.outbound.protection.outlook.com (mail-vi1eur03on2088.outbound.protection.outlook.com [40.107.103.88]) (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 D94621A3AB8 for ; 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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") 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/dts/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; dsp_reserved: dsp@92400000 { - reg = <0 0x92400000 0 0x2000000>; + reg = <0 0x92400000 0 0x1000000>; no-map; status = "disabled"; }; @@ -2414,12 +2414,12 @@ usb_dwc3_1: usb@38200000 { }; dsp: dsp@3b6e8000 { - compatible = "fsl,imx8mp-dsp"; + compatible = "fsl,imx8mp-hifi4"; reg = <0x3b6e8000 0x88000>; - mbox-names = "txdb0", "txdb1", - "rxdb0", "rxdb1"; - mboxes = <&mu2 2 0>, <&mu2 2 1>, - <&mu2 3 0>, <&mu2 3 1>; + power-domains = <&pgc_audio>; 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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/dts/freescale/imx8mp.dtsi index 2f94c55e4999..b42e6430123f 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -2416,6 +2416,11 @@ usb_dwc3_1: usb@38200000 { dsp: dsp@3b6e8000 { compatible = "fsl,imx8mp-hifi4"; reg = <0x3b6e8000 0x88000>; + clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_OCRAMA_IPG>, + <&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 = "ipg", "ocram", "core", "debug"; power-domains = <&pgc_audio>; mbox-names = "tx", "rx", "rxdb"; mboxes = <&mu2 0 0>, <&mu2 1 0>, <&mu2 3 0>; From patchwork Tue Dec 10 12:53:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Baluta X-Patchwork-Id: 13901398 Received: from EUR03-VI1-obe.outbound.protection.outlook.com (mail-vi1eur03on2088.outbound.protection.outlook.com [40.107.103.88]) (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 292981A76BC for ; 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The dsp will use this to acquire o reference to audiomix registers and handle the registers to control the dsp. Signed-off-by: Daniel Baluta Acked-by: Krzysztof Kozlowski --- .../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: | properties: compatible: - const: fsl,imx8mp-audio-blk-ctrl + items: + - const: fsl,imx8mp-audio-blk-ctrl + - const: syscon reg: maxItems: 1 @@ -63,7 +65,7 @@ examples: #include clock-controller@30e20000 { - compatible = "fsl,imx8mp-audio-blk-ctrl"; + compatible = "fsl,imx8mp-audio-blk-ctrl", "syscon"; reg = <0x30e20000 0x10000>; #clock-cells = <1>; clocks = <&clk IMX8MP_CLK_AUDIO_ROOT>, From patchwork Tue Dec 10 12:53:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Baluta X-Patchwork-Id: 13901399 Received: from EUR03-VI1-obe.outbound.protection.outlook.com (mail-vi1eur03on2088.outbound.protection.outlook.com [40.107.103.88]) (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 3F23A1AAA09 for ; 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Drivers (rproc, SOF) are using fsl,dsp-ctrl property to access those registers in order to control the operations of the DSP (e.g for start, reset, etc). 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/dts/freescale/imx8mp.dtsi index b42e6430123f..c8f9347d602c 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 { }; audio_blk_ctrl: clock-controller@30e20000 { - compatible = "fsl,imx8mp-audio-blk-ctrl"; + compatible = "fsl,imx8mp-audio-blk-ctrl", "syscon"; reg = <0x30e20000 0x10000>; #clock-cells = <1>; #reset-cells = <1>; @@ -2426,6 +2426,7 @@ dsp: dsp@3b6e8000 { mboxes = <&mu2 0 0>, <&mu2 1 0>, <&mu2 3 0>; firmware-name = "imx/dsp/hifi4.bin"; memory-region = <&dsp_reserved>; + fsl,dsp-ctrl = <&audio_blk_ctrl>; status = "disabled"; }; }; From patchwork Tue Dec 10 12:53:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Baluta X-Patchwork-Id: 13901400 Received: from EUR03-VI1-obe.outbound.protection.outlook.com (mail-vi1eur03on2088.outbound.protection.outlook.com [40.107.103.88]) (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 6CA321AAA29 for ; 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Also, enable dsp node because it is ready to be used. Signed-off-by: Daniel Baluta Reviewed-by: Ahmad Fatoum --- 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 d26930f1a9e9..c732ee79772d 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 = "okay"; }; +&dsp_reserved { + status = "okay"; +}; + +&dsp { + memory-region = <&dsp_vdev0buffer>, <&dsp_vdev0vring0>, + <&dsp_vdev0vring1>, <&dsp_reserved>; + status = "okay"; +}; + &eqos { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_eqos>;