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From: Alexander Stein <alexander.stein@ew.tq-group.com>
To: Frank Li <Frank.li@nxp.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Shawn Guo <shawnguo@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix Kernel Team <kernel@pengutronix.de>, Fabio Estevam <festevam@gmail.com>, Shengjiu Wang <shengjiu.wang@nxp.com>, linux-arm-kernel@lists.infradead.org, linux-sound@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 4/4] arm64: dts: imx8qxp: add asrc[0, 1], esai0, spdif[0, 1] and sai[4, 5]
Date: Thu, 07 Mar 2024 08:22:25 +0100
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Organization: TQ-Systems GmbH
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References: <20240305-asrc_8qxp-v4-0-c61b98046591@nxp.com> <2177674.irdbgypaU6@steina-w> <ZeiJdoTqWd8h0Q5I@lizhi-Precision-Tower-5810>
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Hi Frank,

Am Mittwoch, 6. M=E4rz 2024, 16:19:18 CET schrieb Frank Li:
> On Wed, Mar 06, 2024 at 08:20:00AM +0100, Alexander Stein wrote:
> > Hi Frank,
> >=20
> > thanks for the patch.
> >=20
> > Am Dienstag, 5. M=E4rz 2024, 18:33:05 CET schrieb Frank Li:
> > > Add asrc[0,1], esai0, spdif[0,1], sai[4,5] and related lpcg node for
> > > imx8 audio subsystem.
> > >=20
> > > Signed-off-by: Frank Li <Frank.Li@nxp.com>
> > > ---
> > >  arch/arm64/boot/dts/freescale/imx8-ss-audio.dtsi | 304 +++++++++++++=
++++++++++
> > >  1 file changed, 304 insertions(+)
> > >=20
> > > diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-audio.dtsi b/arch/=
arm64/boot/dts/freescale/imx8-ss-audio.dtsi
> > > index 07afeb78ed564..78305559f15c9 100644
> > > --- a/arch/arm64/boot/dts/freescale/imx8-ss-audio.dtsi
> > > +++ b/arch/arm64/boot/dts/freescale/imx8-ss-audio.dtsi
> > > @@ -6,6 +6,7 @@
> > > =20
> > >  #include <dt-bindings/clock/imx8-clock.h>
> > >  #include <dt-bindings/clock/imx8-lpcg.h>
> > > +#include <dt-bindings/dma/fsl-edma.h>
> > >  #include <dt-bindings/firmware/imx/rsrc.h>
> > > =20
> > >  audio_ipg_clk: clock-audio-ipg {
> > > @@ -481,4 +482,307 @@ acm: acm@59e00000 {
> > >  			      "sai3_rx_bclk",
> > >  			      "sai4_rx_bclk";
> > >  	};
> > > +
> > > +	asrc0: asrc@59000000 {
> >=20
> > Please insert nodes sorted by address. ASRC0 is the very first node.
> >=20
> > > +		compatible =3D "fsl,imx8qm-asrc";
> > > +		reg =3D <0x59000000 0x10000>;
> > > +		interrupts =3D <GIC_SPI 372 IRQ_TYPE_LEVEL_HIGH>;
> > > +		clocks =3D <&asrc0_lpcg 0>,
> > > +			 <&asrc0_lpcg 0>,
> > > +			 <&aud_pll_div0_lpcg 0>,
> > > +			 <&aud_pll_div1_lpcg 0>,
> > > +			 <&acm IMX_ADMA_ACM_AUD_CLK0_SEL>,
> > > +			 <&acm IMX_ADMA_ACM_AUD_CLK1_SEL>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>;
> > > +		clock-names =3D "mem", "ipg",
> > > +			      "asrck_0", "asrck_1", "asrck_2", "asrck_3",
> > > +			      "asrck_4", "asrck_5", "asrck_6", "asrck_7",
> > > +			      "asrck_8", "asrck_9", "asrck_a", "asrck_b",
> > > +			      "asrck_c", "asrck_d", "asrck_e", "asrck_f",
> > > +			      "spba";
> > > +		dmas =3D <&edma0 0 0 0>,
> > > +		       <&edma0 1 0 0>,
> > > +		       <&edma0 2 0 0>,
> > > +		       <&edma0 3 0 FSL_EDMA_RX>,
> > > +		       <&edma0 4 0 FSL_EDMA_RX>,
> > > +		       <&edma0 5 0 FSL_EDMA_RX>;
> > > +		/* tx* is output channel of asrc, it is rx channel for eDMA */
> > > +		dma-names =3D "rxa", "rxb", "rxc", "txa", "txb", "txc";
> > > +		fsl,asrc-rate  =3D <8000>;
> > > +		fsl,asrc-width =3D <16>;
> > > +		fsl,asrc-clk-map =3D <0>;
> > > +		power-domains =3D <&pd IMX_SC_R_ASRC_0>;
> > > +		status =3D "disabled";
> > > +	};
> > > +
> > > +	esai0: esai@59010000 {
> > > +		compatible =3D "fsl,imx8qm-esai", "fsl,imx6ull-esai";
> > > +		reg =3D <0x59010000 0x10000>;
> > > +		interrupts =3D <GIC_SPI 409 IRQ_TYPE_LEVEL_HIGH>;
> > > +		clocks =3D <&esai0_lpcg 1>, <&esai0_lpcg 0>, <&esai0_lpcg 1>, <&cl=
k_dummy>;
> > > +		clock-names =3D "core", "extal", "fsys", "spba";
> > > +		dmas =3D <&edma0 6 0 FSL_EDMA_RX>, <&edma0 7 0 0>;
> > > +		dma-names =3D "rx", "tx";
> > > +		power-domains =3D <&pd IMX_SC_R_ESAI_0>;
> > > +		status =3D "disabled";
> > > +	};
> > > +
> > > +	spdif0: spdif@59020000 {
> > > +		compatible =3D "fsl,imx8qm-spdif";
> > > +		reg =3D <0x59020000 0x10000>;
> > > +		interrupts =3D  <GIC_SPI 456 IRQ_TYPE_LEVEL_HIGH>, /* rx */
> > > +			      <GIC_SPI 458 IRQ_TYPE_LEVEL_HIGH>; /* tx */
> > > +		clocks =3D <&spdif0_lpcg 1>,	/* core */
> > > +			 <&clk_dummy>,		/* rxtx0 */
> > > +			 <&spdif0_lpcg 0>,	/* rxtx1 */
> > > +			 <&clk_dummy>,		/* rxtx2 */
> > > +			 <&clk_dummy>,		/* rxtx3 */
> > > +			 <&clk_dummy>,		/* rxtx4 */
> > > +			 <&audio_ipg_clk>,	/* rxtx5 */
> > > +			 <&clk_dummy>,		/* rxtx6 */
> > > +			 <&clk_dummy>,		/* rxtx7 */
> > > +			 <&clk_dummy>;		/* spba */
> > > +		clock-names =3D "core", "rxtx0", "rxtx1", "rxtx2", "rxtx3", "rxtx4=
",
> > > +			      "rxtx5", "rxtx6", "rxtx7", "spba";
> > > +		dmas =3D <&edma0 8 0 (FSL_EDMA_MULTI_FIFO | FSL_EDMA_RX)>,
> > > +		       <&edma0 9 0 FSL_EDMA_MULTI_FIFO>;
> > > +		dma-names =3D "rx", "tx";
> > > +		power-domains =3D <&pd IMX_SC_R_SPDIF_0>;
> > > +		status =3D "disabled";
> > > +	};
> > > +
> > > +	spdif1: spdif@59030000 {
> >=20
> > That's imx8qm only, no?
>=20
> I am not sure what means. why do you think it is imx8qm only? It is for
> imx8qm, imx8qxp, imx8dxl.

According to Table- 2-6 (Audio DMA memory Map) in i.MX8X RM Rev. 0 05/2020,
the lasted one available on the webpage, address 0x59030000 is reserved.
I read that as there is no periphery available. This matches the feature li=
st
in 1.1.2 Features, where "1x SPDIF" is stated.

So spdif1 is only for imx8qm (no idea about imx8dxl though) and should be
listed in a file called imx8qm-ss-audio.dtsi which is only included in
imx8qm.dtsi.

Thanks and best regards
Alexander

>=20
> Frank
>=20
> >=20
> > > +		compatible =3D "fsl,imx8qm-spdif";
> > > +		reg =3D <0x59030000 0x10000>;
> > > +		interrupts =3D  <GIC_SPI 460 IRQ_TYPE_LEVEL_HIGH>, /* rx */
> > > +			      <GIC_SPI 462 IRQ_TYPE_LEVEL_HIGH>; /* tx */
> > > +		clocks =3D <&spdif1_lpcg 1>,	/* core */
> > > +			 <&clk_dummy>,		/* rxtx0 */
> > > +			 <&spdif1_lpcg 0>,	/* rxtx1 */
> > > +			 <&clk_dummy>,		/* rxtx2 */
> > > +			 <&clk_dummy>,		/* rxtx3 */
> > > +			 <&clk_dummy>,		/* rxtx4 */
> > > +			 <&audio_ipg_clk>,	/* rxtx5 */
> > > +			 <&clk_dummy>,		/* rxtx6 */
> > > +			 <&clk_dummy>,		/* rxtx7 */
> > > +			 <&clk_dummy>;		/* spba */
> > > +		clock-names =3D "core", "rxtx0", "rxtx1", "rxtx2", "rxtx3", "rxtx4=
",
> > > +			      "rxtx5", "rxtx6", "rxtx7", "spba";
> > > +		dmas =3D <&edma0 10 0 (FSL_EDMA_MULTI_FIFO | FSL_EDMA_RX)>,
> > > +		       <&edma0 11 0 FSL_EDMA_MULTI_FIFO>;
> > > +		dma-names =3D "rx", "tx";
> > > +		power-domains =3D <&pd IMX_SC_R_SPDIF_1>;
> > > +		status =3D "disabled";
> > > +	};
> > > +
> > > +	asrc1: asrc@59800000 {
> >=20
> > Insert this between dsp and edma1, sorted by address.
> >=20
> > > +		compatible =3D "fsl,imx8qm-asrc";
> > > +		reg =3D <0x59800000 0x10000>;
> > > +		interrupts =3D <GIC_SPI 380 IRQ_TYPE_LEVEL_HIGH>;
> > > +		clocks =3D <&asrc1_lpcg 0>,
> > > +			 <&asrc1_lpcg 0>,
> > > +			 <&aud_pll_div0_lpcg 0>,
> > > +			 <&aud_pll_div1_lpcg 0>,
> > > +			 <&acm IMX_ADMA_ACM_AUD_CLK0_SEL>,
> > > +			 <&acm IMX_ADMA_ACM_AUD_CLK1_SEL>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>;
> > > +		clock-names =3D "mem", "ipg",
> > > +			      "asrck_0", "asrck_1", "asrck_2", "asrck_3",
> > > +			      "asrck_4", "asrck_5", "asrck_6", "asrck_7",
> > > +			      "asrck_8", "asrck_9", "asrck_a", "asrck_b",
> > > +			      "asrck_c", "asrck_d", "asrck_e", "asrck_f",
> > > +			      "spba";
> > > +		dmas =3D <&edma1 0 0 0>,
> > > +		       <&edma1 1 0 0>,
> > > +		       <&edma1 2 0 0>,
> > > +		       <&edma1 3 0 FSL_EDMA_RX>,
> > > +		       <&edma1 4 0 FSL_EDMA_RX>,
> > > +		       <&edma1 5 0 FSL_EDMA_RX>;
> > > +		/* tx* is output channel of asrc, it is rx channel for eDMA */
> > > +		dma-names =3D "rxa", "rxb", "rxc", "txa", "txb", "txc";
> > > +		fsl,asrc-rate  =3D <8000>;
> > > +		fsl,asrc-width =3D <16>;
> > > +		fsl,asrc-clk-map =3D <1>;
> > > +		power-domains =3D <&pd IMX_SC_R_ASRC_1>;
> > > +		status =3D "disabled";
> > > +	};
> > > +
> > > +	sai4: sai@59820000 {
> > > +		compatible =3D "fsl,imx8qm-sai";
> > > +		reg =3D <0x59820000 0x10000>;
> > > +		interrupts =3D <GIC_SPI 329 IRQ_TYPE_LEVEL_HIGH>;
> > > +		clocks =3D <&sai4_lpcg 1>,
> > > +			 <&clk_dummy>,
> > > +			 <&sai4_lpcg 0>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>;
> > > +		clock-names =3D "bus", "mclk0", "mclk1", "mclk2", "mclk3";
> > > +		dmas =3D <&edma1 8 0 FSL_EDMA_RX>, <&edma1 9 0 0>;
> > > +		dma-names =3D "rx", "tx";
> > > +		power-domains =3D <&pd IMX_SC_R_SAI_4>;
> > > +		status =3D "disabled";
> > > +	};
> > > +
> > > +	sai5: sai@59830000 {
> > > +		compatible =3D "fsl,imx8qm-sai";
> > > +		reg =3D <0x59830000 0x10000>;
> > > +		interrupts =3D <GIC_SPI 331 IRQ_TYPE_LEVEL_HIGH>;
> > > +		clocks =3D <&sai5_lpcg 1>,
> > > +			 <&clk_dummy>,
> > > +			 <&sai5_lpcg 0>,
> > > +			 <&clk_dummy>,
> > > +			 <&clk_dummy>;
> > > +		clock-names =3D "bus", "mclk0", "mclk1", "mclk2", "mclk3";
> > > +		dmas =3D <&edma1 10 0 0>;
> > > +		dma-names =3D "tx";
> > > +		power-domains =3D <&pd IMX_SC_R_SAI_5>;
> > > +		status =3D "disabled";
> > > +	};
> > > +
> > > +	amix: amix@59840000 {
> > > +		compatible =3D "fsl,imx8qm-audmix";
> > > +		reg =3D <0x59840000 0x10000>;
> > > +		clocks =3D <&amix_lpcg 0>;
> > > +		clock-names =3D "ipg";
> > > +		power-domains =3D <&pd IMX_SC_R_AMIX>;
> > > +		dais =3D <&sai4>, <&sai5>;
> > > +		status =3D "disabled";
> > > +	};
> > > +
> > > +	mqs: mqs@59850000 {
> > > +		compatible =3D "fsl,imx8qm-mqs";
> > > +		reg =3D <0x59850000 0x10000>;
> > > +		clocks =3D <&mqs0_lpcg 0>,
> > > +			<&mqs0_lpcg 1>;
> > > +		clock-names =3D "mclk", "core";
> > > +		power-domains =3D <&pd IMX_SC_R_MQS_0>;
> > > +		status =3D "disabled";
> > > +	};
> > > +
> > > +	asrc0_lpcg: clock-controller@59400000 {
> >=20
> > Please insert he lpcg nodes according to their address.
> >=20
> > > +		compatible =3D "fsl,imx8qxp-lpcg";
> > > +		reg =3D <0x59400000 0x10000>;
> > > +		#clock-cells =3D <1>;
> > > +		clocks =3D <&audio_ipg_clk>;
> > > +		clock-indices =3D <IMX_LPCG_CLK_4>;
> > > +		clock-output-names =3D "asrc0_lpcg_ipg_clk";
> > > +		power-domains =3D <&pd IMX_SC_R_ASRC_0>;
> > > +	};
> > > +
> > > +	esai0_lpcg: clock-controller@59410000 {
> > > +		compatible =3D "fsl,imx8qxp-lpcg";
> > > +		reg =3D <0x59410000 0x10000>;
> > > +		#clock-cells =3D <1>;
> > > +		clocks =3D <&acm IMX_ADMA_ACM_ESAI0_MCLK_SEL>,
> > > +			 <&audio_ipg_clk>;
> > > +		clock-indices =3D <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
> > > +		clock-output-names =3D "esai0_lpcg_extal_clk",
> > > +				     "esai0_lpcg_ipg_clk";
> > > +		power-domains =3D <&pd IMX_SC_R_ESAI_0>;
> > > +	};
> > > +
> > > +	spdif0_lpcg: clock-controller@59420000 {
> > > +		compatible =3D "fsl,imx8qxp-lpcg";
> > > +		reg =3D <0x59420000 0x10000>;
> > > +		#clock-cells =3D <1>;
> > > +		clocks =3D <&acm IMX_ADMA_ACM_SPDIF0_TX_CLK_SEL>,
> > > +			 <&audio_ipg_clk>;
> > > +		clock-indices =3D <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
> > > +		clock-output-names =3D "spdif0_lpcg_tx_clk",
> > > +				     "spdif0_lpcg_gclkw";
> > > +		power-domains =3D <&pd IMX_SC_R_SPDIF_0>;
> > > +	};
> > > +
> > > +	spdif1_lpcg: clock-controller@59430000 {
> >=20
> > That's imx8qm only as well, no?
> >=20
> > Thanks and best regards,
> > Alexander
> >=20
> > > +		compatible =3D "fsl,imx8qxp-lpcg";
> > > +		reg =3D <0x59430000 0x10000>;
> > > +		#clock-cells =3D <1>;
> > > +		clocks =3D <&acm IMX_ADMA_ACM_SPDIF1_TX_CLK_SEL>,
> > > +			 <&audio_ipg_clk>;
> > > +		clock-indices =3D <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
> > > +		clock-output-names =3D "spdif1_lpcg_tx_clk",
> > > +				     "spdif1_lpcg_gclkw";
> > > +		power-domains =3D <&pd IMX_SC_R_SPDIF_1>;
> > > +		status =3D "disabled";
> > > +	};
> > > +
> > > +	asrc1_lpcg: clock-controller@59c00000 {
> > > +		compatible =3D "fsl,imx8qxp-lpcg";
> > > +		reg =3D <0x59c00000 0x10000>;
> > > +		#clock-cells =3D <1>;
> > > +		clocks =3D <&audio_ipg_clk>;
> > > +		clock-indices =3D <IMX_LPCG_CLK_4>;
> > > +		clock-output-names =3D "asrc1_lpcg_ipg_clk";
> > > +		power-domains =3D <&pd IMX_SC_R_ASRC_1>;
> > > +	};
> > > +
> > > +	sai4_lpcg: clock-controller@59c20000 {
> > > +		compatible =3D "fsl,imx8qxp-lpcg";
> > > +		reg =3D <0x59c20000 0x10000>;
> > > +		#clock-cells =3D <1>;
> > > +		clocks =3D <&acm IMX_ADMA_ACM_SAI4_MCLK_SEL>,
> > > +			 <&audio_ipg_clk>;
> > > +		clock-indices =3D <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
> > > +		clock-output-names =3D "sai4_lpcg_mclk",
> > > +				     "sai4_lpcg_ipg_clk";
> > > +		power-domains =3D <&pd IMX_SC_R_SAI_4>;
> > > +	};
> > > +
> > > +	sai5_lpcg: clock-controller@59c30000 {
> > > +		compatible =3D "fsl,imx8qxp-lpcg";
> > > +		reg =3D <0x59c30000 0x10000>;
> > > +		#clock-cells =3D <1>;
> > > +		clocks =3D <&acm IMX_ADMA_ACM_SAI5_MCLK_SEL>,
> > > +			 <&audio_ipg_clk>;
> > > +		clock-indices =3D <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
> > > +		clock-output-names =3D "sai5_lpcg_mclk",
> > > +				     "sai5_lpcg_ipg_clk";
> > > +		power-domains =3D <&pd IMX_SC_R_SAI_5>;
> > > +	};
> > > +
> > > +	amix_lpcg: clock-controller@59c40000 {
> > > +		compatible =3D "fsl,imx8qxp-lpcg";
> > > +		reg =3D <0x59c40000 0x10000>;
> > > +		#clock-cells =3D <1>;
> > > +		clocks =3D <&audio_ipg_clk>;
> > > +		clock-indices =3D <IMX_LPCG_CLK_0>;
> > > +		clock-output-names =3D "amix_lpcg_ipg_clk";
> > > +		power-domains =3D <&pd IMX_SC_R_AMIX>;
> > > +	};
> > > +
> > > +	mqs0_lpcg: clock-controller@59c50000 {
> > > +		compatible =3D "fsl,imx8qxp-lpcg";
> > > +		reg =3D <0x59c50000 0x10000>;
> > > +		#clock-cells =3D <1>;
> > > +		clocks =3D <&acm IMX_ADMA_ACM_MQS_TX_CLK_SEL>,
> > > +			 <&audio_ipg_clk>;
> > > +		clock-indices =3D <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
> > > +		clock-output-names =3D "mqs0_lpcg_mclk",
> > > +				     "mqs0_lpcg_ipg_clk";
> > > +		power-domains =3D <&pd IMX_SC_R_MQS_0>;
> > > +	};
> > >  };
> > >=20
> > >=20
> >=20
> >=20
>=20
>=20


=2D-=20
TQ-Systems GmbH | M=FChlstra=DFe 2, Gut Delling | 82229 Seefeld, Germany
Amtsgericht M=FCnchen, HRB 105018
Gesch=E4ftsf=FChrer: Detlef Schneider, R=FCdiger Stahl, Stefan Schneider
http://www.tq-group.com/