* [PATCH 0/4] arm64: dts: imx952-evk: Add audio sound cards
@ 2026-03-12 3:49 Shengjiu Wang
2026-03-12 3:49 ` [PATCH 1/4] arm64: dts: imx952: Add audio device nodes Shengjiu Wang
` (3 more replies)
0 siblings, 4 replies; 14+ messages in thread
From: Shengjiu Wang @ 2026-03-12 3:49 UTC (permalink / raw)
To: robh, krzk+dt, conor+dt, Frank.Li, s.hauer, kernel, festevam,
devicetree, imx, linux-arm-kernel, linux-kernel
Add audio device nodes and sound card (wm8962, PDM microphone, bt-sco).
Shengjiu Wang (4):
arm64: dts: imx952: Add audio device nodes
arm64: dts: imx952-evk: Add sound-wm8962 support
arm64: dts: imx952-evk: Add bt-sco sound card support
arm64: dts: imx952-evk: Add PDM microphone sound card support
arch/arm64/boot/dts/freescale/imx952-evk.dts | 232 +++++++++++++++++++
arch/arm64/boot/dts/freescale/imx952.dtsi | 199 ++++++++++++++++
2 files changed, 431 insertions(+)
--
2.34.1
^ permalink raw reply [flat|nested] 14+ messages in thread* [PATCH 1/4] arm64: dts: imx952: Add audio device nodes 2026-03-12 3:49 [PATCH 0/4] arm64: dts: imx952-evk: Add audio sound cards Shengjiu Wang @ 2026-03-12 3:49 ` Shengjiu Wang 2026-03-12 6:40 ` Daniel Baluta 2026-03-12 3:49 ` [PATCH 2/4] arm64: dts: imx952-evk: Add sound-wm8962 support Shengjiu Wang ` (2 subsequent siblings) 3 siblings, 1 reply; 14+ messages in thread From: Shengjiu Wang @ 2026-03-12 3:49 UTC (permalink / raw) To: robh, krzk+dt, conor+dt, Frank.Li, s.hauer, kernel, festevam, devicetree, imx, linux-arm-kernel, linux-kernel Add audio device nodes, include SAI, MICFIL, ASRC, Audio Mixer. Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> --- arch/arm64/boot/dts/freescale/imx952.dtsi | 199 ++++++++++++++++++++++ 1 file changed, 199 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx952.dtsi b/arch/arm64/boot/dts/freescale/imx952.dtsi index 0f86b5626cdd..5787c12e788f 100644 --- a/arch/arm64/boot/dts/freescale/imx952.dtsi +++ b/arch/arm64/boot/dts/freescale/imx952.dtsi @@ -823,6 +823,156 @@ usdhc3: mmc@42c40000 { }; }; + aips5: bus@43000000 { + compatible = "fsl,aips-bus", "simple-bus"; + reg = <0 0x43000000 0 0x800000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x43000000 0x0 0x43000000 0x800000>; + + asrc1: asrc@43000000 { + compatible = "fsl,imx952-asrc"; + reg = <0x43000000 0x10000>; + interrupts = <GIC_SPI 376 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scmi_clk IMX952_CLK_BUSWAKEUP>, + <&scmi_clk IMX952_CLK_BUSWAKEUP>, + <&scmi_clk IMX952_CLK_ASRC1>, + <&scmi_clk IMX952_CLK_ASRC2>, + <&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>, + <&clk_dummy>, + <&clk_dummy>; + clock-names = "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 = <&edma2 97 0 0>, <&edma2 98 0 0>, <&edma2 99 0 0>, + <&edma2 100 0 1>, <&edma2 101 0 1>, <&edma2 102 0 1>; + dma-names = "rxa", "rxb", "rxc", + "txa", "txb", "txc"; + #sound-dai-cells = <0>; + fsl,asrc-rate = <8000>; + fsl,asrc-width = <16>; + status = "disabled"; + }; + + asrc2: asrc@430f0000 { + compatible = "fsl,imx952-asrc"; + reg = <0x430f0000 0x10000>; + interrupts = <GIC_SPI 384 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scmi_clk IMX952_CLK_BUSWAKEUP>, + <&scmi_clk IMX952_CLK_BUSWAKEUP>, + <&scmi_clk IMX952_CLK_ASRC1>, + <&scmi_clk IMX952_CLK_ASRC2>, + <&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>, + <&clk_dummy>, + <&clk_dummy>; + clock-names = "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 = <&edma2 103 0 0>, <&edma2 104 0 0>, <&edma2 105 0 0>, + <&edma2 106 0 1>, <&edma2 107 0 1>, <&edma2 108 0 1>; + dma-names = "rxa", "rxb", "rxc", + "txa", "txb", "txc"; + #sound-dai-cells = <0>; + fsl,asrc-rate = <8000>; + fsl,asrc-width = <16>; + status = "disabled"; + }; + + amix: amix@431f0000 { + compatible = "fsl,imx952-audmix"; + reg = <0x431f0000 0x10000>; + clocks = <&scmi_clk IMX952_CLK_AUDMIX1>; + clock-names = "ipg"; + status = "disabled"; + }; + + sai3: sai@433e0000 { + compatible = "fsl,imx952-sai", "fsl,imx95-sai"; + reg = <0x433e0000 0x10000>; + interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scmi_clk IMX952_CLK_BUSWAKEUP>, <&clk_dummy>, + <&scmi_clk IMX952_CLK_SAI3>, <&clk_dummy>, + <&clk_dummy>; + clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3"; + dmas = <&edma2 61 0 FSL_EDMA_RX>, <&edma2 60 0 0>; + dma-names = "rx", "tx"; + #sound-dai-cells = <0>; + status = "disabled"; + }; + + sai4: sai@433f0000 { + compatible = "fsl,imx952-sai", "fsl,imx95-sai"; + reg = <0x433f0000 0x10000>; + interrupts = <GIC_SPI 171 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scmi_clk IMX952_CLK_BUSWAKEUP>, <&clk_dummy>, + <&scmi_clk IMX952_CLK_SAI4>, <&clk_dummy>, + <&clk_dummy>; + clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3"; + dmas = <&edma2 68 0 FSL_EDMA_RX>, <&edma2 67 0 0>; + dma-names = "rx", "tx"; + #sound-dai-cells = <0>; + status = "disabled"; + }; + + sai5: sai@43400000 { + compatible = "fsl,imx952-sai", "fsl,imx95-sai"; + reg = <0x43400000 0x10000>; + interrupts = <GIC_SPI 172 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scmi_clk IMX952_CLK_BUSWAKEUP>, <&clk_dummy>, + <&scmi_clk IMX952_CLK_SAI5>, <&clk_dummy>, + <&clk_dummy>; + clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3"; + dmas = <&edma2 70 0 FSL_EDMA_RX>, <&edma2 69 0 0>; + dma-names = "rx", "tx"; + #sound-dai-cells = <0>; + status = "disabled"; + }; + + sai6: sai@43410000 { + compatible = "fsl,imx952-sai", "fsl,imx95-sai"; + reg = <0x43410000 0x10000>; + interrupts = <GIC_SPI 399 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scmi_clk IMX952_CLK_BUSWAKEUP>, <&clk_dummy>, + <&scmi_clk IMX952_CLK_SAI3>, <&clk_dummy>, + <&clk_dummy>; + clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3"; + dmas = <&edma2 96 0 FSL_EDMA_RX>, <&edma2 95 0 0>; + dma-names = "rx", "tx"; + #sound-dai-cells = <0>; + status = "disabled"; + }; + }; + gpio2: gpio@43810000 { compatible = "fsl,imx95-gpio", "fsl,imx8ulp-gpio"; reg = <0x0 0x43810000 0x0 0x1000>; @@ -1062,6 +1212,40 @@ flexcan1: can@443a0000 { status = "disabled"; }; + sai1: sai@443b0000 { + compatible = "fsl,imx952-sai", "fsl,imx95-sai"; + reg = <0x443b0000 0x10000>; + interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scmi_clk IMX952_CLK_BUSAON>, <&clk_dummy>, + <&scmi_clk IMX952_CLK_SAI1>, <&clk_dummy>, + <&clk_dummy>; + clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3"; + dmas = <&edma1 25 0 FSL_EDMA_RX>, <&edma1 24 0 0>; + dma-names = "rx", "tx"; + #sound-dai-cells = <0>; + status = "disabled"; + }; + + micfil: micfil@44520000 { + compatible = "fsl,imx943-micfil"; + reg = <0x44520000 0x10000>; + interrupts = <GIC_SPI 188 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 185 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scmi_clk IMX952_CLK_BUSAON>, + <&scmi_clk IMX952_CLK_PDM>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>, + <&scmi_clk IMX952_CLK_AUDIOPLL2>, + <&clk_dummy>; + clock-names = "ipg_clk", "ipg_clk_app", + "pll8k", "pll11k", "clkext3"; + dmas = <&edma1 6 0 5>; + dma-names = "rx"; + #sound-dai-cells = <0>; + status = "disabled"; + }; + adc1: adc@44530000 { compatible = "nxp,imx93-adc"; reg = <0x44530000 0x10000>; @@ -1281,5 +1465,20 @@ usbmisc2: usbmisc@4c200200 { reg = <0x0 0x4c200200 0x0 0x200>, <0x0 0x4c010014 0x0 0x4>; }; + + sai2: sai@4c880000 { + compatible = "fsl,imx952-sai", "fsl,imx95-sai"; + reg = <0x0 0x4c880000 0x0 0x10000>; + interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scmi_clk IMX952_CLK_BUSNETCMIX>, <&clk_dummy>, + <&scmi_clk IMX952_CLK_SAI2>, <&clk_dummy>, + <&clk_dummy>; + clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3"; + dmas = <&edma2 59 0 FSL_EDMA_RX>, <&edma2 58 0 0>; + dma-names = "rx", "tx"; + #sound-dai-cells = <0>; + power-domains = <&scmi_devpd IMX952_PD_NETC>; + status = "disabled"; + }; }; }; -- 2.34.1 ^ permalink raw reply related [flat|nested] 14+ messages in thread
* Re: [PATCH 1/4] arm64: dts: imx952: Add audio device nodes 2026-03-12 3:49 ` [PATCH 1/4] arm64: dts: imx952: Add audio device nodes Shengjiu Wang @ 2026-03-12 6:40 ` Daniel Baluta 2026-03-12 6:54 ` Shengjiu Wang 0 siblings, 1 reply; 14+ messages in thread From: Daniel Baluta @ 2026-03-12 6:40 UTC (permalink / raw) To: Shengjiu Wang, robh, krzk+dt, conor+dt, Frank.Li, s.hauer, kernel, festevam, devicetree, imx, linux-arm-kernel, linux-kernel On 3/12/26 05:49, Shengjiu Wang wrote: > Add audio device nodes, include SAI, MICFIL, ASRC, Audio Mixer. > > Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> > --- > arch/arm64/boot/dts/freescale/imx952.dtsi | 199 ++++++++++++++++++++++ > 1 file changed, 199 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx952.dtsi b/arch/arm64/boot/dts/freescale/imx952.dtsi > index 0f86b5626cdd..5787c12e788f 100644 > --- a/arch/arm64/boot/dts/freescale/imx952.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx952.dtsi > @@ -823,6 +823,156 @@ usdhc3: mmc@42c40000 { > }; > }; > > + aips5: bus@43000000 { > + compatible = "fsl,aips-bus", "simple-bus"; > + reg = <0 0x43000000 0 0x800000>; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges = <0x43000000 0x0 0x43000000 0x800000>; > + > + asrc1: asrc@43000000 { > + compatible = "fsl,imx952-asrc"; > + reg = <0x43000000 0x10000>; > + interrupts = <GIC_SPI 376 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&scmi_clk IMX952_CLK_BUSWAKEUP>, > + <&scmi_clk IMX952_CLK_BUSWAKEUP>, > + <&scmi_clk IMX952_CLK_ASRC1>, > + <&scmi_clk IMX952_CLK_ASRC2>, > + <&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>, > + <&clk_dummy>, > + <&clk_dummy>; > + clock-names = "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 = <&edma2 97 0 0>, <&edma2 98 0 0>, <&edma2 99 0 0>, > + <&edma2 100 0 1>, <&edma2 101 0 1>, <&edma2 102 0 1>; For consistency we should use symbolic macros for directions like you did below. Use FSL_EDMA_RX for rx direction and also introduce FSL_EDMA_TX for tx direction. > + dma-names = "rxa", "rxb", "rxc", > + "txa", "txb", "txc"; > + #sound-dai-cells = <0>; > + fsl,asrc-rate = <8000>; > + fsl,asrc-width = <16>; > + status = "disabled"; > + }; [...] > + sai3: sai@433e0000 { > + compatible = "fsl,imx952-sai", "fsl,imx95-sai"; > + reg = <0x433e0000 0x10000>; > + interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&scmi_clk IMX952_CLK_BUSWAKEUP>, <&clk_dummy>, > + <&scmi_clk IMX952_CLK_SAI3>, <&clk_dummy>, > + <&clk_dummy>; > + clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3"; > + dmas = <&edma2 61 0 FSL_EDMA_RX>, <&edma2 60 0 0>; As I said we should introduce FSL_EDMA_TX and this will read as: dmas = <&edma2 61 0 FSL_EDMA_RX>, <&edma2 60 0 FSL_EDMA_TX>; Otherwise, looks good to me. ^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [PATCH 1/4] arm64: dts: imx952: Add audio device nodes 2026-03-12 6:40 ` Daniel Baluta @ 2026-03-12 6:54 ` Shengjiu Wang 2026-03-12 7:13 ` Daniel Baluta 0 siblings, 1 reply; 14+ messages in thread From: Shengjiu Wang @ 2026-03-12 6:54 UTC (permalink / raw) To: Daniel Baluta Cc: Shengjiu Wang, robh, krzk+dt, conor+dt, Frank.Li, s.hauer, kernel, festevam, devicetree, imx, linux-arm-kernel, linux-kernel On Thu, Mar 12, 2026 at 2:40 PM Daniel Baluta <daniel.baluta@oss.nxp.com> wrote: > > On 3/12/26 05:49, Shengjiu Wang wrote: > > Add audio device nodes, include SAI, MICFIL, ASRC, Audio Mixer. > > > > Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> > > --- > > arch/arm64/boot/dts/freescale/imx952.dtsi | 199 ++++++++++++++++++++++ > > 1 file changed, 199 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/freescale/imx952.dtsi b/arch/arm64/boot/dts/freescale/imx952.dtsi > > index 0f86b5626cdd..5787c12e788f 100644 > > --- a/arch/arm64/boot/dts/freescale/imx952.dtsi > > +++ b/arch/arm64/boot/dts/freescale/imx952.dtsi > > @@ -823,6 +823,156 @@ usdhc3: mmc@42c40000 { > > }; > > }; > > > > + aips5: bus@43000000 { > > + compatible = "fsl,aips-bus", "simple-bus"; > > + reg = <0 0x43000000 0 0x800000>; > > + #address-cells = <1>; > > + #size-cells = <1>; > > + ranges = <0x43000000 0x0 0x43000000 0x800000>; > > + > > + asrc1: asrc@43000000 { > > + compatible = "fsl,imx952-asrc"; > > + reg = <0x43000000 0x10000>; > > + interrupts = <GIC_SPI 376 IRQ_TYPE_LEVEL_HIGH>; > > + clocks = <&scmi_clk IMX952_CLK_BUSWAKEUP>, > > + <&scmi_clk IMX952_CLK_BUSWAKEUP>, > > + <&scmi_clk IMX952_CLK_ASRC1>, > > + <&scmi_clk IMX952_CLK_ASRC2>, > > + <&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>, > > + <&clk_dummy>, > > + <&clk_dummy>; > > + clock-names = "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 = <&edma2 97 0 0>, <&edma2 98 0 0>, <&edma2 99 0 0>, > > + <&edma2 100 0 1>, <&edma2 101 0 1>, <&edma2 102 0 1>; > > For consistency we should use symbolic macros for directions like you did below. > Use FSL_EDMA_RX for rx direction and also introduce FSL_EDMA_TX for tx direction. Yes, should use FSL_EDMA_RX. But introduce FSL_EDMA_TX, it should be zero, FSL_EDMA_TX = 0. is it necessary to add it in include/dt-bindings/dma/fsl-edma.h? Best regards Shengjiu Wang > > > > + dma-names = "rxa", "rxb", "rxc", > > + "txa", "txb", "txc"; > > + #sound-dai-cells = <0>; > > + fsl,asrc-rate = <8000>; > > + fsl,asrc-width = <16>; > > + status = "disabled"; > > + }; > > > [...] > > > + sai3: sai@433e0000 { > > + compatible = "fsl,imx952-sai", "fsl,imx95-sai"; > > + reg = <0x433e0000 0x10000>; > > + interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>; > > + clocks = <&scmi_clk IMX952_CLK_BUSWAKEUP>, <&clk_dummy>, > > + <&scmi_clk IMX952_CLK_SAI3>, <&clk_dummy>, > > + <&clk_dummy>; > > + clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3"; > > + dmas = <&edma2 61 0 FSL_EDMA_RX>, <&edma2 60 0 0>; > As I said we should introduce FSL_EDMA_TX and this will read as: > > dmas = <&edma2 61 0 FSL_EDMA_RX>, <&edma2 60 0 FSL_EDMA_TX>; > > Otherwise, looks good to me. > > > > ^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [PATCH 1/4] arm64: dts: imx952: Add audio device nodes 2026-03-12 6:54 ` Shengjiu Wang @ 2026-03-12 7:13 ` Daniel Baluta 2026-03-12 9:53 ` Shengjiu Wang 0 siblings, 1 reply; 14+ messages in thread From: Daniel Baluta @ 2026-03-12 7:13 UTC (permalink / raw) To: Shengjiu Wang Cc: Shengjiu Wang, robh, krzk+dt, conor+dt, Frank.Li, s.hauer, kernel, festevam, devicetree, imx, linux-arm-kernel, linux-kernel On 3/12/26 08:54, Shengjiu Wang wrote: >> On 3/12/26 05:49, Shengjiu Wang wrote: >>> Add audio device nodes, include SAI, MICFIL, ASRC, Audio Mixer. >>> >>> Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> >>> --- >>> arch/arm64/boot/dts/freescale/imx952.dtsi | 199 ++++++++++++++++++++++ >>> 1 file changed, 199 insertions(+) >>> >>> diff --git a/arch/arm64/boot/dts/freescale/imx952.dtsi b/arch/arm64/boot/dts/freescale/imx952.dtsi >>> index 0f86b5626cdd..5787c12e788f 100644 >>> --- a/arch/arm64/boot/dts/freescale/imx952.dtsi >>> +++ b/arch/arm64/boot/dts/freescale/imx952.dtsi >>> @@ -823,6 +823,156 @@ usdhc3: mmc@42c40000 { >>> }; >>> }; >>> >>> + aips5: bus@43000000 { >>> + compatible = "fsl,aips-bus", "simple-bus"; >>> + reg = <0 0x43000000 0 0x800000>; >>> + #address-cells = <1>; >>> + #size-cells = <1>; >>> + ranges = <0x43000000 0x0 0x43000000 0x800000>; >>> + >>> + asrc1: asrc@43000000 { >>> + compatible = "fsl,imx952-asrc"; >>> + reg = <0x43000000 0x10000>; >>> + interrupts = <GIC_SPI 376 IRQ_TYPE_LEVEL_HIGH>; >>> + clocks = <&scmi_clk IMX952_CLK_BUSWAKEUP>, >>> + <&scmi_clk IMX952_CLK_BUSWAKEUP>, >>> + <&scmi_clk IMX952_CLK_ASRC1>, >>> + <&scmi_clk IMX952_CLK_ASRC2>, >>> + <&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>, >>> + <&clk_dummy>, >>> + <&clk_dummy>; >>> + clock-names = "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 = <&edma2 97 0 0>, <&edma2 98 0 0>, <&edma2 99 0 0>, >>> + <&edma2 100 0 1>, <&edma2 101 0 1>, <&edma2 102 0 1>; >> For consistency we should use symbolic macros for directions like you did below. >> Use FSL_EDMA_RX for rx direction and also introduce FSL_EDMA_TX for tx direction. > Yes, should use FSL_EDMA_RX. > > But introduce FSL_EDMA_TX, it should be zero, FSL_EDMA_TX = 0. > is it necessary to add it in include/dt-bindings/dma/fsl-edma.h? I would say yes. For consistency with FSL_EDMA_RX and also for code readability. A user doesn't know that 0 means TX. We could go on and merge this patch as is right now, no problems. And come back later with a set of cleanup patches that do this for all dtses. ^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [PATCH 1/4] arm64: dts: imx952: Add audio device nodes 2026-03-12 7:13 ` Daniel Baluta @ 2026-03-12 9:53 ` Shengjiu Wang 0 siblings, 0 replies; 14+ messages in thread From: Shengjiu Wang @ 2026-03-12 9:53 UTC (permalink / raw) To: Daniel Baluta Cc: Shengjiu Wang, robh, krzk+dt, conor+dt, Frank.Li, s.hauer, kernel, festevam, devicetree, imx, linux-arm-kernel, linux-kernel On Thu, Mar 12, 2026 at 3:10 PM Daniel Baluta <daniel.baluta@oss.nxp.com> wrote: > > On 3/12/26 08:54, Shengjiu Wang wrote: > >> On 3/12/26 05:49, Shengjiu Wang wrote: > >>> Add audio device nodes, include SAI, MICFIL, ASRC, Audio Mixer. > >>> > >>> Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> > >>> --- > >>> arch/arm64/boot/dts/freescale/imx952.dtsi | 199 ++++++++++++++++++++++ > >>> 1 file changed, 199 insertions(+) > >>> > >>> diff --git a/arch/arm64/boot/dts/freescale/imx952.dtsi b/arch/arm64/boot/dts/freescale/imx952.dtsi > >>> index 0f86b5626cdd..5787c12e788f 100644 > >>> --- a/arch/arm64/boot/dts/freescale/imx952.dtsi > >>> +++ b/arch/arm64/boot/dts/freescale/imx952.dtsi > >>> @@ -823,6 +823,156 @@ usdhc3: mmc@42c40000 { > >>> }; > >>> }; > >>> > >>> + aips5: bus@43000000 { > >>> + compatible = "fsl,aips-bus", "simple-bus"; > >>> + reg = <0 0x43000000 0 0x800000>; > >>> + #address-cells = <1>; > >>> + #size-cells = <1>; > >>> + ranges = <0x43000000 0x0 0x43000000 0x800000>; > >>> + > >>> + asrc1: asrc@43000000 { > >>> + compatible = "fsl,imx952-asrc"; > >>> + reg = <0x43000000 0x10000>; > >>> + interrupts = <GIC_SPI 376 IRQ_TYPE_LEVEL_HIGH>; > >>> + clocks = <&scmi_clk IMX952_CLK_BUSWAKEUP>, > >>> + <&scmi_clk IMX952_CLK_BUSWAKEUP>, > >>> + <&scmi_clk IMX952_CLK_ASRC1>, > >>> + <&scmi_clk IMX952_CLK_ASRC2>, > >>> + <&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>, > >>> + <&clk_dummy>, > >>> + <&clk_dummy>; > >>> + clock-names = "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 = <&edma2 97 0 0>, <&edma2 98 0 0>, <&edma2 99 0 0>, > >>> + <&edma2 100 0 1>, <&edma2 101 0 1>, <&edma2 102 0 1>; > >> For consistency we should use symbolic macros for directions like you did below. > >> Use FSL_EDMA_RX for rx direction and also introduce FSL_EDMA_TX for tx direction. > > Yes, should use FSL_EDMA_RX. > > > > But introduce FSL_EDMA_TX, it should be zero, FSL_EDMA_TX = 0. > > is it necessary to add it in include/dt-bindings/dma/fsl-edma.h? > > I would say yes. For consistency with FSL_EDMA_RX and also for > > code readability. > > A user doesn't know that 0 means TX. > > We could go on and merge this patch as is right now, no problems. And come back later > > with a set of cleanup patches that do this for all dtses. I think it is better to have another patch set to introduce FSL_EDMA_TX for all dtses. I will add FSL_EDMA_RX in the next version. Best regards shengjiu Wang > > ^ permalink raw reply [flat|nested] 14+ messages in thread
* [PATCH 2/4] arm64: dts: imx952-evk: Add sound-wm8962 support 2026-03-12 3:49 [PATCH 0/4] arm64: dts: imx952-evk: Add audio sound cards Shengjiu Wang 2026-03-12 3:49 ` [PATCH 1/4] arm64: dts: imx952: Add audio device nodes Shengjiu Wang @ 2026-03-12 3:49 ` Shengjiu Wang 2026-03-12 6:51 ` Daniel Baluta 2026-03-12 9:43 ` Alexander Stein 2026-03-12 3:49 ` [PATCH 3/4] arm64: dts: imx952-evk: Add bt-sco sound card support Shengjiu Wang 2026-03-12 3:49 ` [PATCH 4/4] arm64: dts: imx952-evk: Add PDM microphone " Shengjiu Wang 3 siblings, 2 replies; 14+ messages in thread From: Shengjiu Wang @ 2026-03-12 3:49 UTC (permalink / raw) To: robh, krzk+dt, conor+dt, Frank.Li, s.hauer, kernel, festevam, devicetree, imx, linux-arm-kernel, linux-kernel Add wm8962 sound card. By connecting with ASRC1, the sound card support sample rate conversion. Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> --- arch/arm64/boot/dts/freescale/imx952-evk.dts | 119 +++++++++++++++++++ 1 file changed, 119 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx952-evk.dts b/arch/arm64/boot/dts/freescale/imx952-evk.dts index 509704c23e89..ef0058b98573 100644 --- a/arch/arm64/boot/dts/freescale/imx952-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx952-evk.dts @@ -110,6 +110,15 @@ reg_vref_1v8: regulator-adc-vref { regulator-max-microvolt = <1800000>; }; + reg_audio_pwr: regulator-audio-pwr { + compatible = "regulator-fixed"; + regulator-name = "audio-pwr"; + regulator-max-microvolt = <3300000>; + regulator-min-microvolt = <3300000>; + gpio = <&i2c4_pcal6408 1 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + reg_usdhc2_vmmc: regulator-usdhc2 { compatible = "regulator-fixed"; pinctrl-names = "default"; @@ -131,6 +140,51 @@ reg_usb_vbus: regulator-vbus { enable-active-high; }; + sound-wm8962 { + compatible = "fsl,imx-audio-wm8962"; + audio-asrc = <&asrc1>; + audio-codec = <&wm8962>; + audio-cpu = <&sai3>; + audio-routing = "Headphone Jack", "HPOUTL", + "Headphone Jack", "HPOUTR", + "Ext Spk", "SPKOUTL", + "Ext Spk", "SPKOUTR", + "AMIC", "MICBIAS", + "IN3R", "AMIC", + "IN1R", "AMIC"; + hp-det-gpio = <&gpio2 11 GPIO_ACTIVE_HIGH>; + model = "wm8962-audio"; + pinctrl-0 = <&pinctrl_hp>; + pinctrl-names = "default"; + }; +}; + +&asrc1 { + assigned-clocks = <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>, + <&scmi_clk IMX952_CLK_AUDIOPLL2>, + <&scmi_clk IMX952_CLK_ASRC1>; + assigned-clock-parents = <0>, <0>, <0>, <0>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>; + assigned-clock-rates = <3932160000>, <3612672000>, + <393216000>, <361267200>, <49152000>; + fsl,asrc-rate = <48000>; + status = "okay"; +}; + +&asrc2 { + assigned-clocks = <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>, + <&scmi_clk IMX952_CLK_AUDIOPLL2>, + <&scmi_clk IMX952_CLK_ASRC2>; + assigned-clock-parents = <0>, <0>, <0>, <0>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>; + assigned-clock-rates = <3932160000>, <3612672000>, + <393216000>, <361267200>, <49152000>; + fsl,asrc-rate = <48000>; + status = "okay"; }; /* pin conflict with PDM */ @@ -185,6 +239,27 @@ &lpi2c4 { pinctrl-0 = <&pinctrl_lpi2c4>; status = "okay"; + wm8962: audio-codec@1a { + compatible = "wlf,wm8962"; + reg = <0x1a>; + clocks = <&scmi_clk IMX952_CLK_SAI3>; + AVDD-supply = <®_audio_pwr>; + CPVDD-supply = <®_audio_pwr>; + DBVDD-supply = <®_audio_pwr>; + DCVDD-supply = <®_audio_pwr>; + gpio-cfg = < 0x0000 /* 0:Default */ + 0x0000 /* 1:Default */ + 0x0000 /* 2:FN_DMICCLK */ + 0x0000 /* 3:Default */ + 0x0000 /* 4:FN_DMICCDAT */ + 0x0000 /* 5:Default */ + >; + MICVDD-supply = <®_audio_pwr>; + PLLVDD-supply = <®_audio_pwr>; + SPKVDD1-supply = <®_audio_pwr>; + SPKVDD2-supply = <®_audio_pwr>; + }; + i2c4_pcal6408: gpio@21 { compatible = "nxp,pcal6408"; reg = <0x21>; @@ -312,6 +387,24 @@ &lpspi7 { status = "okay"; }; +&sai3 { + assigned-clocks = <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>, + <&scmi_clk IMX952_CLK_AUDIOPLL2>, + <&scmi_clk IMX952_CLK_SAI3>; + assigned-clock-parents = <0>, <0>, <0>, <0>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>; + assigned-clock-rates = <3932160000>, <3612672000>, + <393216000>, <361267200>, <12288000>; + pinctrl-0 = <&pinctrl_sai3>; + pinctrl-1 = <&pinctrl_sai3_sleep>; + pinctrl-names = "default", "sleep"; + fsl,sai-amix-mode = "bypass"; + fsl,sai-mclk-direction-output; + status = "okay"; +}; + &scmi_misc { nxp,ctrl-ids = <BRD_SM_CTRL_SD3_WAKE 1 BRD_SM_CTRL_M2E_WAKE 1 @@ -402,6 +495,12 @@ IMX952_PAD_GPIO_IO27__WAKEUPMIX_TOP_CAN2_RX 0x39e >; }; + pinctrl_hp: hpgrp { + fsl,pins = < + IMX952_PAD_GPIO_IO11__WAKEUPMIX_TOP_GPIO2_IO_11 0x31e + >; + }; + pinctrl_lpi2c2: lpi2c2grp { fsl,pins = < IMX952_PAD_I2C2_SCL__AONMIX_TOP_LPI2C2_SCL 0x40000b9e @@ -476,6 +575,26 @@ IMX952_PAD_SD2_RESET_B__WAKEUPMIX_TOP_GPIO3_IO_7 0x31e >; }; + pinctrl_sai3: sai3grp { + fsl,pins = < + IMX952_PAD_GPIO_IO17__WAKEUPMIX_TOP_SAI3_MCLK 0x31e + IMX952_PAD_GPIO_IO16__WAKEUPMIX_TOP_AUDMIX_TDM_OUT_TXBCLK 0x31e + IMX952_PAD_GPIO_IO26__WAKEUPMIX_TOP_AUDMIX_TDM_OUT_TXSYNC 0x31e + IMX952_PAD_GPIO_IO20__WAKEUPMIX_TOP_SAI3_RX_DATA_0 0x31e + IMX952_PAD_GPIO_IO21__WAKEUPMIX_TOP_AUDMIX_TDM_OUT_TXDATA 0x31e + >; + }; + + pinctrl_sai3_sleep: sai3sleepgrp { + fsl,pins = < + IMX952_PAD_GPIO_IO17__WAKEUPMIX_TOP_GPIO2_IO_17 0x31e + IMX952_PAD_GPIO_IO16__WAKEUPMIX_TOP_GPIO2_IO_16 0x31e + IMX952_PAD_GPIO_IO26__WAKEUPMIX_TOP_GPIO2_IO_26 0x31e + IMX952_PAD_GPIO_IO20__WAKEUPMIX_TOP_GPIO2_IO_20 0x31e + IMX952_PAD_GPIO_IO21__WAKEUPMIX_TOP_GPIO2_IO_21 0x31e + >; + }; + pinctrl_tpm3: tpm3grp { fsl,pins = < IMX952_PAD_GPIO_IO12__WAKEUPMIX_TOP_TPM3_CH2 0x51e -- 2.34.1 ^ permalink raw reply related [flat|nested] 14+ messages in thread
* Re: [PATCH 2/4] arm64: dts: imx952-evk: Add sound-wm8962 support 2026-03-12 3:49 ` [PATCH 2/4] arm64: dts: imx952-evk: Add sound-wm8962 support Shengjiu Wang @ 2026-03-12 6:51 ` Daniel Baluta 2026-03-12 9:43 ` Alexander Stein 1 sibling, 0 replies; 14+ messages in thread From: Daniel Baluta @ 2026-03-12 6:51 UTC (permalink / raw) To: Shengjiu Wang, robh, krzk+dt, conor+dt, Frank.Li, s.hauer, kernel, festevam, devicetree, imx, linux-arm-kernel, linux-kernel On 3/12/26 05:49, Shengjiu Wang wrote: > Add wm8962 sound card. By connecting with ASRC1, the sound card support > sample rate conversion. > > Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com> ^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [PATCH 2/4] arm64: dts: imx952-evk: Add sound-wm8962 support 2026-03-12 3:49 ` [PATCH 2/4] arm64: dts: imx952-evk: Add sound-wm8962 support Shengjiu Wang 2026-03-12 6:51 ` Daniel Baluta @ 2026-03-12 9:43 ` Alexander Stein 2026-03-12 9:49 ` Shengjiu Wang 1 sibling, 1 reply; 14+ messages in thread From: Alexander Stein @ 2026-03-12 9:43 UTC (permalink / raw) To: robh, krzk+dt, conor+dt, Frank.Li, s.hauer, kernel, festevam, devicetree, imx, linux-arm-kernel, linux-kernel Cc: Shengjiu Wang Am Donnerstag, 12. März 2026, 04:49:10 CET schrieb Shengjiu Wang: > Add wm8962 sound card. By connecting with ASRC1, the sound card support > sample rate conversion. > > Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> > --- > arch/arm64/boot/dts/freescale/imx952-evk.dts | 119 +++++++++++++++++++ > 1 file changed, 119 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx952-evk.dts b/arch/arm64/boot/dts/freescale/imx952-evk.dts > index 509704c23e89..ef0058b98573 100644 > --- a/arch/arm64/boot/dts/freescale/imx952-evk.dts > +++ b/arch/arm64/boot/dts/freescale/imx952-evk.dts > @@ -110,6 +110,15 @@ reg_vref_1v8: regulator-adc-vref { > regulator-max-microvolt = <1800000>; > }; > > + reg_audio_pwr: regulator-audio-pwr { > + compatible = "regulator-fixed"; > + regulator-name = "audio-pwr"; > + regulator-max-microvolt = <3300000>; > + regulator-min-microvolt = <3300000>; > + gpio = <&i2c4_pcal6408 1 GPIO_ACTIVE_HIGH>; > + enable-active-high; > + }; > + > reg_usdhc2_vmmc: regulator-usdhc2 { > compatible = "regulator-fixed"; > pinctrl-names = "default"; > @@ -131,6 +140,51 @@ reg_usb_vbus: regulator-vbus { > enable-active-high; > }; > > + sound-wm8962 { > + compatible = "fsl,imx-audio-wm8962"; > + audio-asrc = <&asrc1>; > + audio-codec = <&wm8962>; > + audio-cpu = <&sai3>; > + audio-routing = "Headphone Jack", "HPOUTL", > + "Headphone Jack", "HPOUTR", > + "Ext Spk", "SPKOUTL", > + "Ext Spk", "SPKOUTR", > + "AMIC", "MICBIAS", > + "IN3R", "AMIC", > + "IN1R", "AMIC"; > + hp-det-gpio = <&gpio2 11 GPIO_ACTIVE_HIGH>; > + model = "wm8962-audio"; > + pinctrl-0 = <&pinctrl_hp>; > + pinctrl-names = "default"; > + }; > +}; > + > +&asrc1 { > + assigned-clocks = <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, > + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, > + <&scmi_clk IMX952_CLK_AUDIOPLL1>, > + <&scmi_clk IMX952_CLK_AUDIOPLL2>, > + <&scmi_clk IMX952_CLK_ASRC1>; > + assigned-clock-parents = <0>, <0>, <0>, <0>, > + <&scmi_clk IMX952_CLK_AUDIOPLL1>; > + assigned-clock-rates = <3932160000>, <3612672000>, > + <393216000>, <361267200>, <49152000>; > + fsl,asrc-rate = <48000>; > + status = "okay"; > +}; > + > +&asrc2 { > + assigned-clocks = <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, > + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, > + <&scmi_clk IMX952_CLK_AUDIOPLL1>, > + <&scmi_clk IMX952_CLK_AUDIOPLL2>, > + <&scmi_clk IMX952_CLK_ASRC2>; > + assigned-clock-parents = <0>, <0>, <0>, <0>, > + <&scmi_clk IMX952_CLK_AUDIOPLL1>; > + assigned-clock-rates = <3932160000>, <3612672000>, > + <393216000>, <361267200>, <49152000>; > + fsl,asrc-rate = <48000>; > + status = "okay"; Is asrc2 actually required? AFAICS this is not referenced. Best regards, Alexander > }; > > /* pin conflict with PDM */ > @@ -185,6 +239,27 @@ &lpi2c4 { > pinctrl-0 = <&pinctrl_lpi2c4>; > status = "okay"; > > + wm8962: audio-codec@1a { > + compatible = "wlf,wm8962"; > + reg = <0x1a>; > + clocks = <&scmi_clk IMX952_CLK_SAI3>; > + AVDD-supply = <®_audio_pwr>; > + CPVDD-supply = <®_audio_pwr>; > + DBVDD-supply = <®_audio_pwr>; > + DCVDD-supply = <®_audio_pwr>; > + gpio-cfg = < 0x0000 /* 0:Default */ > + 0x0000 /* 1:Default */ > + 0x0000 /* 2:FN_DMICCLK */ > + 0x0000 /* 3:Default */ > + 0x0000 /* 4:FN_DMICCDAT */ > + 0x0000 /* 5:Default */ > + >; > + MICVDD-supply = <®_audio_pwr>; > + PLLVDD-supply = <®_audio_pwr>; > + SPKVDD1-supply = <®_audio_pwr>; > + SPKVDD2-supply = <®_audio_pwr>; > + }; > + > i2c4_pcal6408: gpio@21 { > compatible = "nxp,pcal6408"; > reg = <0x21>; > @@ -312,6 +387,24 @@ &lpspi7 { > status = "okay"; > }; > > +&sai3 { > + assigned-clocks = <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, > + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, > + <&scmi_clk IMX952_CLK_AUDIOPLL1>, > + <&scmi_clk IMX952_CLK_AUDIOPLL2>, > + <&scmi_clk IMX952_CLK_SAI3>; > + assigned-clock-parents = <0>, <0>, <0>, <0>, > + <&scmi_clk IMX952_CLK_AUDIOPLL1>; > + assigned-clock-rates = <3932160000>, <3612672000>, > + <393216000>, <361267200>, <12288000>; > + pinctrl-0 = <&pinctrl_sai3>; > + pinctrl-1 = <&pinctrl_sai3_sleep>; > + pinctrl-names = "default", "sleep"; > + fsl,sai-amix-mode = "bypass"; > + fsl,sai-mclk-direction-output; > + status = "okay"; > +}; > + > &scmi_misc { > nxp,ctrl-ids = <BRD_SM_CTRL_SD3_WAKE 1 > BRD_SM_CTRL_M2E_WAKE 1 > @@ -402,6 +495,12 @@ IMX952_PAD_GPIO_IO27__WAKEUPMIX_TOP_CAN2_RX 0x39e > >; > }; > > + pinctrl_hp: hpgrp { > + fsl,pins = < > + IMX952_PAD_GPIO_IO11__WAKEUPMIX_TOP_GPIO2_IO_11 0x31e > + >; > + }; > + > pinctrl_lpi2c2: lpi2c2grp { > fsl,pins = < > IMX952_PAD_I2C2_SCL__AONMIX_TOP_LPI2C2_SCL 0x40000b9e > @@ -476,6 +575,26 @@ IMX952_PAD_SD2_RESET_B__WAKEUPMIX_TOP_GPIO3_IO_7 0x31e > >; > }; > > + pinctrl_sai3: sai3grp { > + fsl,pins = < > + IMX952_PAD_GPIO_IO17__WAKEUPMIX_TOP_SAI3_MCLK 0x31e > + IMX952_PAD_GPIO_IO16__WAKEUPMIX_TOP_AUDMIX_TDM_OUT_TXBCLK 0x31e > + IMX952_PAD_GPIO_IO26__WAKEUPMIX_TOP_AUDMIX_TDM_OUT_TXSYNC 0x31e > + IMX952_PAD_GPIO_IO20__WAKEUPMIX_TOP_SAI3_RX_DATA_0 0x31e > + IMX952_PAD_GPIO_IO21__WAKEUPMIX_TOP_AUDMIX_TDM_OUT_TXDATA 0x31e > + >; > + }; > + > + pinctrl_sai3_sleep: sai3sleepgrp { > + fsl,pins = < > + IMX952_PAD_GPIO_IO17__WAKEUPMIX_TOP_GPIO2_IO_17 0x31e > + IMX952_PAD_GPIO_IO16__WAKEUPMIX_TOP_GPIO2_IO_16 0x31e > + IMX952_PAD_GPIO_IO26__WAKEUPMIX_TOP_GPIO2_IO_26 0x31e > + IMX952_PAD_GPIO_IO20__WAKEUPMIX_TOP_GPIO2_IO_20 0x31e > + IMX952_PAD_GPIO_IO21__WAKEUPMIX_TOP_GPIO2_IO_21 0x31e > + >; > + }; > + > pinctrl_tpm3: tpm3grp { > fsl,pins = < > IMX952_PAD_GPIO_IO12__WAKEUPMIX_TOP_TPM3_CH2 0x51e > -- TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht München, HRB 105018 Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider http://www.tq-group.com/ ^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [PATCH 2/4] arm64: dts: imx952-evk: Add sound-wm8962 support 2026-03-12 9:43 ` Alexander Stein @ 2026-03-12 9:49 ` Shengjiu Wang 0 siblings, 0 replies; 14+ messages in thread From: Shengjiu Wang @ 2026-03-12 9:49 UTC (permalink / raw) To: Alexander Stein Cc: robh, krzk+dt, conor+dt, Frank.Li, s.hauer, kernel, festevam, devicetree, imx, linux-arm-kernel, linux-kernel, Shengjiu Wang On Thu, Mar 12, 2026 at 5:45 PM Alexander Stein <alexander.stein@ew.tq-group.com> wrote: > > Am Donnerstag, 12. März 2026, 04:49:10 CET schrieb Shengjiu Wang: > > Add wm8962 sound card. By connecting with ASRC1, the sound card support > > sample rate conversion. > > > > Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> > > --- > > arch/arm64/boot/dts/freescale/imx952-evk.dts | 119 +++++++++++++++++++ > > 1 file changed, 119 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/freescale/imx952-evk.dts b/arch/arm64/boot/dts/freescale/imx952-evk.dts > > index 509704c23e89..ef0058b98573 100644 > > --- a/arch/arm64/boot/dts/freescale/imx952-evk.dts > > +++ b/arch/arm64/boot/dts/freescale/imx952-evk.dts > > @@ -110,6 +110,15 @@ reg_vref_1v8: regulator-adc-vref { > > regulator-max-microvolt = <1800000>; > > }; > > > > + reg_audio_pwr: regulator-audio-pwr { > > + compatible = "regulator-fixed"; > > + regulator-name = "audio-pwr"; > > + regulator-max-microvolt = <3300000>; > > + regulator-min-microvolt = <3300000>; > > + gpio = <&i2c4_pcal6408 1 GPIO_ACTIVE_HIGH>; > > + enable-active-high; > > + }; > > + > > reg_usdhc2_vmmc: regulator-usdhc2 { > > compatible = "regulator-fixed"; > > pinctrl-names = "default"; > > @@ -131,6 +140,51 @@ reg_usb_vbus: regulator-vbus { > > enable-active-high; > > }; > > > > + sound-wm8962 { > > + compatible = "fsl,imx-audio-wm8962"; > > + audio-asrc = <&asrc1>; > > + audio-codec = <&wm8962>; > > + audio-cpu = <&sai3>; > > + audio-routing = "Headphone Jack", "HPOUTL", > > + "Headphone Jack", "HPOUTR", > > + "Ext Spk", "SPKOUTL", > > + "Ext Spk", "SPKOUTR", > > + "AMIC", "MICBIAS", > > + "IN3R", "AMIC", > > + "IN1R", "AMIC"; > > + hp-det-gpio = <&gpio2 11 GPIO_ACTIVE_HIGH>; > > + model = "wm8962-audio"; > > + pinctrl-0 = <&pinctrl_hp>; > > + pinctrl-names = "default"; > > + }; > > +}; > > + > > +&asrc1 { > > + assigned-clocks = <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, > > + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, > > + <&scmi_clk IMX952_CLK_AUDIOPLL1>, > > + <&scmi_clk IMX952_CLK_AUDIOPLL2>, > > + <&scmi_clk IMX952_CLK_ASRC1>; > > + assigned-clock-parents = <0>, <0>, <0>, <0>, > > + <&scmi_clk IMX952_CLK_AUDIOPLL1>; > > + assigned-clock-rates = <3932160000>, <3612672000>, > > + <393216000>, <361267200>, <49152000>; > > + fsl,asrc-rate = <48000>; > > + status = "okay"; > > +}; > > + > > +&asrc2 { > > + assigned-clocks = <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, > > + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, > > + <&scmi_clk IMX952_CLK_AUDIOPLL1>, > > + <&scmi_clk IMX952_CLK_AUDIOPLL2>, > > + <&scmi_clk IMX952_CLK_ASRC2>; > > + assigned-clock-parents = <0>, <0>, <0>, <0>, > > + <&scmi_clk IMX952_CLK_AUDIOPLL1>; > > + assigned-clock-rates = <3932160000>, <3612672000>, > > + <393216000>, <361267200>, <49152000>; > > + fsl,asrc-rate = <48000>; > > + status = "okay"; > > Is asrc2 actually required? AFAICS this is not referenced. Yes. It can provide memory to memory interface to user space standalone. Best regards Shengjiu Wang > > Best regards, > Alexander > > > }; > > > > /* pin conflict with PDM */ > > @@ -185,6 +239,27 @@ &lpi2c4 { > > pinctrl-0 = <&pinctrl_lpi2c4>; > > status = "okay"; > > > > + wm8962: audio-codec@1a { > > + compatible = "wlf,wm8962"; > > + reg = <0x1a>; > > + clocks = <&scmi_clk IMX952_CLK_SAI3>; > > + AVDD-supply = <®_audio_pwr>; > > + CPVDD-supply = <®_audio_pwr>; > > + DBVDD-supply = <®_audio_pwr>; > > + DCVDD-supply = <®_audio_pwr>; > > + gpio-cfg = < 0x0000 /* 0:Default */ > > + 0x0000 /* 1:Default */ > > + 0x0000 /* 2:FN_DMICCLK */ > > + 0x0000 /* 3:Default */ > > + 0x0000 /* 4:FN_DMICCDAT */ > > + 0x0000 /* 5:Default */ > > + >; > > + MICVDD-supply = <®_audio_pwr>; > > + PLLVDD-supply = <®_audio_pwr>; > > + SPKVDD1-supply = <®_audio_pwr>; > > + SPKVDD2-supply = <®_audio_pwr>; > > + }; > > + > > i2c4_pcal6408: gpio@21 { > > compatible = "nxp,pcal6408"; > > reg = <0x21>; > > @@ -312,6 +387,24 @@ &lpspi7 { > > status = "okay"; > > }; > > > > +&sai3 { > > + assigned-clocks = <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, > > + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, > > + <&scmi_clk IMX952_CLK_AUDIOPLL1>, > > + <&scmi_clk IMX952_CLK_AUDIOPLL2>, > > + <&scmi_clk IMX952_CLK_SAI3>; > > + assigned-clock-parents = <0>, <0>, <0>, <0>, > > + <&scmi_clk IMX952_CLK_AUDIOPLL1>; > > + assigned-clock-rates = <3932160000>, <3612672000>, > > + <393216000>, <361267200>, <12288000>; > > + pinctrl-0 = <&pinctrl_sai3>; > > + pinctrl-1 = <&pinctrl_sai3_sleep>; > > + pinctrl-names = "default", "sleep"; > > + fsl,sai-amix-mode = "bypass"; > > + fsl,sai-mclk-direction-output; > > + status = "okay"; > > +}; > > + > > &scmi_misc { > > nxp,ctrl-ids = <BRD_SM_CTRL_SD3_WAKE 1 > > BRD_SM_CTRL_M2E_WAKE 1 > > @@ -402,6 +495,12 @@ IMX952_PAD_GPIO_IO27__WAKEUPMIX_TOP_CAN2_RX 0x39e > > >; > > }; > > > > + pinctrl_hp: hpgrp { > > + fsl,pins = < > > + IMX952_PAD_GPIO_IO11__WAKEUPMIX_TOP_GPIO2_IO_11 0x31e > > + >; > > + }; > > + > > pinctrl_lpi2c2: lpi2c2grp { > > fsl,pins = < > > IMX952_PAD_I2C2_SCL__AONMIX_TOP_LPI2C2_SCL 0x40000b9e > > @@ -476,6 +575,26 @@ IMX952_PAD_SD2_RESET_B__WAKEUPMIX_TOP_GPIO3_IO_7 0x31e > > >; > > }; > > > > + pinctrl_sai3: sai3grp { > > + fsl,pins = < > > + IMX952_PAD_GPIO_IO17__WAKEUPMIX_TOP_SAI3_MCLK 0x31e > > + IMX952_PAD_GPIO_IO16__WAKEUPMIX_TOP_AUDMIX_TDM_OUT_TXBCLK 0x31e > > + IMX952_PAD_GPIO_IO26__WAKEUPMIX_TOP_AUDMIX_TDM_OUT_TXSYNC 0x31e > > + IMX952_PAD_GPIO_IO20__WAKEUPMIX_TOP_SAI3_RX_DATA_0 0x31e > > + IMX952_PAD_GPIO_IO21__WAKEUPMIX_TOP_AUDMIX_TDM_OUT_TXDATA 0x31e > > + >; > > + }; > > + > > + pinctrl_sai3_sleep: sai3sleepgrp { > > + fsl,pins = < > > + IMX952_PAD_GPIO_IO17__WAKEUPMIX_TOP_GPIO2_IO_17 0x31e > > + IMX952_PAD_GPIO_IO16__WAKEUPMIX_TOP_GPIO2_IO_16 0x31e > > + IMX952_PAD_GPIO_IO26__WAKEUPMIX_TOP_GPIO2_IO_26 0x31e > > + IMX952_PAD_GPIO_IO20__WAKEUPMIX_TOP_GPIO2_IO_20 0x31e > > + IMX952_PAD_GPIO_IO21__WAKEUPMIX_TOP_GPIO2_IO_21 0x31e > > + >; > > + }; > > + > > pinctrl_tpm3: tpm3grp { > > fsl,pins = < > > IMX952_PAD_GPIO_IO12__WAKEUPMIX_TOP_TPM3_CH2 0x51e > > > > > -- > TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany > Amtsgericht München, HRB 105018 > Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider > http://www.tq-group.com/ > > > ^ permalink raw reply [flat|nested] 14+ messages in thread
* [PATCH 3/4] arm64: dts: imx952-evk: Add bt-sco sound card support 2026-03-12 3:49 [PATCH 0/4] arm64: dts: imx952-evk: Add audio sound cards Shengjiu Wang 2026-03-12 3:49 ` [PATCH 1/4] arm64: dts: imx952: Add audio device nodes Shengjiu Wang 2026-03-12 3:49 ` [PATCH 2/4] arm64: dts: imx952-evk: Add sound-wm8962 support Shengjiu Wang @ 2026-03-12 3:49 ` Shengjiu Wang 2026-03-12 6:50 ` Daniel Baluta 2026-03-12 3:49 ` [PATCH 4/4] arm64: dts: imx952-evk: Add PDM microphone " Shengjiu Wang 3 siblings, 1 reply; 14+ messages in thread From: Shengjiu Wang @ 2026-03-12 3:49 UTC (permalink / raw) To: robh, krzk+dt, conor+dt, Frank.Li, s.hauer, kernel, festevam, devicetree, imx, linux-arm-kernel, linux-kernel Add bt-sco sound card, which is used by BT HFP case. It supports wb profile as default. Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> --- arch/arm64/boot/dts/freescale/imx952-evk.dts | 59 ++++++++++++++++++++ 1 file changed, 59 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx952-evk.dts b/arch/arm64/boot/dts/freescale/imx952-evk.dts index ef0058b98573..2615fbb63145 100644 --- a/arch/arm64/boot/dts/freescale/imx952-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx952-evk.dts @@ -43,6 +43,11 @@ aliases { spi6 = &lpspi7; }; + bt_sco_codec: audio-codec-bt-sco { + #sound-dai-cells = <1>; + compatible = "linux,bt-sco"; + }; + chosen { stdout-path = &lpuart1; }; @@ -140,6 +145,25 @@ reg_usb_vbus: regulator-vbus { enable-active-high; }; + sound-bt-sco { + compatible = "simple-audio-card"; + simple-audio-card,bitclock-inversion; + simple-audio-card,bitclock-master = <&btcpu>; + simple-audio-card,format = "dsp_a"; + simple-audio-card,frame-master = <&btcpu>; + simple-audio-card,name = "bt-sco-audio"; + + simple-audio-card,codec { + sound-dai = <&bt_sco_codec 1>; + }; + + btcpu: simple-audio-card,cpu { + dai-tdm-slot-num = <2>; + dai-tdm-slot-width = <16>; + sound-dai = <&sai1>; + }; + }; + sound-wm8962 { compatible = "fsl,imx-audio-wm8962"; audio-asrc = <&asrc1>; @@ -387,6 +411,23 @@ &lpspi7 { status = "okay"; }; +&sai1 { + assigned-clocks = <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>, + <&scmi_clk IMX952_CLK_AUDIOPLL2>, + <&scmi_clk IMX952_CLK_SAI1>; + assigned-clock-parents = <0>, <0>, <0>, <0>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>; + assigned-clock-rates = <3932160000>, <3612672000>, + <393216000>, <361267200>, <12288000>; + pinctrl-0 = <&pinctrl_sai1>; + pinctrl-1 = <&pinctrl_sai1_sleep>; + pinctrl-names = "default", "sleep"; + fsl,sai-mclk-direction-output; + status = "okay"; +}; + &sai3 { assigned-clocks = <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, @@ -575,6 +616,24 @@ IMX952_PAD_SD2_RESET_B__WAKEUPMIX_TOP_GPIO3_IO_7 0x31e >; }; + pinctrl_sai1: sai1grp { + fsl,pins = < + IMX952_PAD_SAI1_RXD0__AONMIX_TOP_SAI1_RX_DATA_0 0x31e + IMX952_PAD_SAI1_TXC__AONMIX_TOP_SAI1_TX_BCLK 0x31e + IMX952_PAD_SAI1_TXFS__AONMIX_TOP_SAI1_TX_SYNC 0x31e + IMX952_PAD_SAI1_TXD0__AONMIX_TOP_SAI1_TX_DATA_0 0x31e + >; + }; + + pinctrl_sai1_sleep: sai1sleepgrp { + fsl,pins = < + IMX952_PAD_SAI1_RXD0__AONMIX_TOP_GPIO1_IO_14 0x51e + IMX952_PAD_SAI1_TXC__AONMIX_TOP_GPIO1_IO_12 0x51e + IMX952_PAD_SAI1_TXFS__AONMIX_TOP_GPIO1_IO_11 0x51e + IMX952_PAD_SAI1_TXD0__AONMIX_TOP_GPIO1_IO_13 0x51e + >; + }; + pinctrl_sai3: sai3grp { fsl,pins = < IMX952_PAD_GPIO_IO17__WAKEUPMIX_TOP_SAI3_MCLK 0x31e -- 2.34.1 ^ permalink raw reply related [flat|nested] 14+ messages in thread
* Re: [PATCH 3/4] arm64: dts: imx952-evk: Add bt-sco sound card support 2026-03-12 3:49 ` [PATCH 3/4] arm64: dts: imx952-evk: Add bt-sco sound card support Shengjiu Wang @ 2026-03-12 6:50 ` Daniel Baluta 0 siblings, 0 replies; 14+ messages in thread From: Daniel Baluta @ 2026-03-12 6:50 UTC (permalink / raw) To: Shengjiu Wang, robh, krzk+dt, conor+dt, Frank.Li, s.hauer, kernel, festevam, devicetree, imx, linux-arm-kernel, linux-kernel On 3/12/26 05:49, Shengjiu Wang wrote: > Add bt-sco sound card, which is used by BT HFP case. > It supports wb profile as default. > > Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com> ^ permalink raw reply [flat|nested] 14+ messages in thread
* [PATCH 4/4] arm64: dts: imx952-evk: Add PDM microphone sound card support 2026-03-12 3:49 [PATCH 0/4] arm64: dts: imx952-evk: Add audio sound cards Shengjiu Wang ` (2 preceding siblings ...) 2026-03-12 3:49 ` [PATCH 3/4] arm64: dts: imx952-evk: Add bt-sco sound card support Shengjiu Wang @ 2026-03-12 3:49 ` Shengjiu Wang 2026-03-12 6:49 ` Daniel Baluta 3 siblings, 1 reply; 14+ messages in thread From: Shengjiu Wang @ 2026-03-12 3:49 UTC (permalink / raw) To: robh, krzk+dt, conor+dt, Frank.Li, s.hauer, kernel, festevam, devicetree, imx, linux-arm-kernel, linux-kernel Add PDM micphone sound card support, configure the pinmux. This sound card supports recording sound from PDM microphone and convert the PDM format data to PCM data. Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> --- arch/arm64/boot/dts/freescale/imx952-evk.dts | 54 ++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx952-evk.dts b/arch/arm64/boot/dts/freescale/imx952-evk.dts index 2615fbb63145..62d1c1c7c501 100644 --- a/arch/arm64/boot/dts/freescale/imx952-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx952-evk.dts @@ -52,6 +52,12 @@ chosen { stdout-path = &lpuart1; }; + dmic: dmic { + compatible = "dmic-codec"; + #sound-dai-cells = <0>; + num-channels = <2>; + }; + memory@80000000 { device_type = "memory"; reg = <0x0 0x80000000 0 0x80000000>; @@ -164,6 +170,24 @@ btcpu: simple-audio-card,cpu { }; }; + sound-micfil { + compatible = "fsl,imx-audio-card"; + model = "micfil-audio"; + + pri-dai-link { + format = "i2s"; + link-name = "micfil hifi"; + + codec { + sound-dai = <&dmic>; + }; + + cpu { + sound-dai = <&micfil>; + }; + }; + }; + sound-wm8962 { compatible = "fsl,imx-audio-wm8962"; audio-asrc = <&asrc1>; @@ -411,6 +435,22 @@ &lpspi7 { status = "okay"; }; +&micfil { + assigned-clocks = <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>, + <&scmi_clk IMX952_CLK_AUDIOPLL2>, + <&scmi_clk IMX952_CLK_PDM>; + assigned-clock-parents = <0>, <0>, <0>, <0>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>; + assigned-clock-rates = <3932160000>, <3612672000>, + <393216000>, <361267200>, <49152000>; + pinctrl-0 = <&pinctrl_pdm>; + pinctrl-1 = <&pinctrl_pdm_sleep>; + pinctrl-names = "default", "sleep"; + status = "okay"; +}; + &sai1 { assigned-clocks = <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, @@ -604,6 +644,20 @@ IMX952_PAD_GPIO_IO36__WAKEUPMIX_TOP_GPIO5_IO_16 0x31e >; }; + pinctrl_pdm: pdmgrp { + fsl,pins = < + IMX952_PAD_PDM_CLK__AONMIX_TOP_PDM_CLK 0x31e + IMX952_PAD_PDM_BIT_STREAM0__AONMIX_TOP_PDM_BIT_STREAM_0 0x31e + >; + }; + + pinctrl_pdm_sleep: pdmsleepgrp { + fsl,pins = < + IMX952_PAD_PDM_CLK__AONMIX_TOP_GPIO1_IO_8 0x31e + IMX952_PAD_PDM_BIT_STREAM0__AONMIX_TOP_GPIO1_IO_9 0x31e + >; + }; + pinctrl_ptn5110: ptn5110grp { fsl,pins = < IMX952_PAD_GPIO_IO34__WAKEUPMIX_TOP_GPIO5_IO_14 0x31e -- 2.34.1 ^ permalink raw reply related [flat|nested] 14+ messages in thread
* Re: [PATCH 4/4] arm64: dts: imx952-evk: Add PDM microphone sound card support 2026-03-12 3:49 ` [PATCH 4/4] arm64: dts: imx952-evk: Add PDM microphone " Shengjiu Wang @ 2026-03-12 6:49 ` Daniel Baluta 0 siblings, 0 replies; 14+ messages in thread From: Daniel Baluta @ 2026-03-12 6:49 UTC (permalink / raw) To: Shengjiu Wang, robh, krzk+dt, conor+dt, Frank.Li, s.hauer, kernel, festevam, devicetree, imx, linux-arm-kernel, linux-kernel On 3/12/26 05:49, Shengjiu Wang wrote: > Add PDM micphone sound card support, configure the pinmux. > > This sound card supports recording sound from PDM microphone > and convert the PDM format data to PCM data. > > Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com> ^ permalink raw reply [flat|nested] 14+ messages in thread
end of thread, other threads:[~2026-03-12 9:54 UTC | newest] Thread overview: 14+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2026-03-12 3:49 [PATCH 0/4] arm64: dts: imx952-evk: Add audio sound cards Shengjiu Wang 2026-03-12 3:49 ` [PATCH 1/4] arm64: dts: imx952: Add audio device nodes Shengjiu Wang 2026-03-12 6:40 ` Daniel Baluta 2026-03-12 6:54 ` Shengjiu Wang 2026-03-12 7:13 ` Daniel Baluta 2026-03-12 9:53 ` Shengjiu Wang 2026-03-12 3:49 ` [PATCH 2/4] arm64: dts: imx952-evk: Add sound-wm8962 support Shengjiu Wang 2026-03-12 6:51 ` Daniel Baluta 2026-03-12 9:43 ` Alexander Stein 2026-03-12 9:49 ` Shengjiu Wang 2026-03-12 3:49 ` [PATCH 3/4] arm64: dts: imx952-evk: Add bt-sco sound card support Shengjiu Wang 2026-03-12 6:50 ` Daniel Baluta 2026-03-12 3:49 ` [PATCH 4/4] arm64: dts: imx952-evk: Add PDM microphone " Shengjiu Wang 2026-03-12 6:49 ` Daniel Baluta
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox