> From: Daniel Baluta > Sent: Thursday, March 28, 2019 3:03 AM > > i.MX8QXP contains a total of 4 EDMA controllers of which two are primarily > for audio components and the other two are for non-audio periperhals. > > This patch adds the EDMA0/EDMA1 nodes used by audio peripherals. > > EDMA0 contains channels for: > * ASRC0 > * ESAI0 > * SPDIF0 > * SAI0, SAI1, SAI2, SAI3 > > EDMA1 contains channels for: > * ASRC1 > * SAI4, SAI5 > > See chapter Audio DMA Memory Maps (2.2.3) from i.MX8QXP RM [1] > > This patch is based on the dtsi file initially submitted by Teo Hall in i.MX NXP > internal tree. > > [1] https://www.nxp.com/docs/en/reference-manual/IMX8DQXPRM.pdf > > Cc: Teo Hall <teo.hall@xxxxxxx> > Signed-off-by: Daniel Baluta <daniel.baluta@xxxxxxx> > --- > arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 72 > ++++++++++++++++++++++ > 1 file changed, 72 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > index 0cb939861a60..84c7c3eca1a1 100644 > --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > @@ -182,6 +182,78 @@ > #clock-cells = <1>; > }; > > + edma0: dma-controller@591f0000 { > + compatible = "fsl,imx8qxp-edma"; > + reg = <0x59200000 0x10000>, /* asrc0 pair A input req */ > + <0x59210000 0x10000>, /* asrc0 pair B input req */ > + <0x59220000 0x10000>, /* asrc0 pair C input req */ > + <0x59230000 0x10000>, /* asrc0 pair A output req */ > + <0x59240000 0x10000>, /* asrc0 pair B output req */ > + <0x59250000 0x10000>, /* asrc0 pair C output req */ > + <0x59260000 0x10000>, /* esai0 rx */ > + <0x59270000 0x10000>, /* esai0 tx */ > + <0x59280000 0x10000>, /* spdif0 rx */ > + <0x59290000 0x10000>, /* spdif0 tx */ > + <0x592c0000 0x10000>, /* sai0 rx */ > + <0x592d0000 0x10000>, /* sai0 tx */ > + <0x592e0000 0x10000>, /* sai1 rx */ > + <0x592f0000 0x10000>, /* sai1 tx */ > + #dma-cells = <3>; In binding doc, it's 2. - #dma-cells : Must be <2>. The 1st cell specifies the DMAMUX(0 for DMAMUX0 and 1 for DMAMUX1). Specific request source can only be multiplexed by specific channels group called DMAMUX. The 2nd cell specifies the request source(slot) ID. Need update binding doc? > + shared-interrupt; Undocumented property? Checkpatch did not complain? Regards Dong Aisheng > + dma-channels = <14>; > + interrupts = <GIC_SPI 374 IRQ_TYPE_LEVEL_HIGH>, /* asrc 0 > */ > + <GIC_SPI 375 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 376 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 377 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 378 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 379 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 410 IRQ_TYPE_LEVEL_HIGH>, /* esai0 */ > + <GIC_SPI 410 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 457 IRQ_TYPE_LEVEL_HIGH>, /* spdif0 */ > + <GIC_SPI 459 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 315 IRQ_TYPE_LEVEL_HIGH>, /* sai0 */ > + <GIC_SPI 315 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH>, /* sai1 */ > + <GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH>, > + interrupt-names = "edma0-chan0-rx", "edma0-chan1-rx", /* > asrc0 */ > + "edma0-chan2-rx", "edma0-chan3-tx", > + "edma0-chan4-tx", "edma0-chan5-tx", > + "edma0-chan6-rx", "edma0-chan7-tx", /* esai0 */ > + "edma0-chan8-rx", "edma0-chan9-tx", /* spdif0 */ > + "edma0-chan12-rx", "edma0-chan13-tx", /* sai0 */ > + "edma0-chan14-rx", "edma0-chan15-tx", /* sai1 */ > + }; > + > + edma1: dma-controller@599F0000 { > + compatible = "fsl,imx8qxp-edma"; > + reg = <0x0 0x59A00000 0x0 0x10000>, /* asrc1 */ > + <0x0 0x59A10000 0x0 0x10000>, > + <0x0 0x59A20000 0x0 0x10000>, > + <0x0 0x59A30000 0x0 0x10000>, > + <0x0 0x59A40000 0x0 0x10000>, > + <0x0 0x59A50000 0x0 0x10000>, > + <0x0 0x59A80000 0x0 0x10000>, /* sai4 rx */ > + <0x0 0x59A90000 0x0 0x10000>, /* sai4 tx */ > + <0x0 0x59AA0000 0x0 0x10000>; /* sai5 tx */ > + #dma-cells = <3>; > + shared-interrupt; > + dma-channels = <9>; > + interrupts = <GIC_SPI 382 IRQ_TYPE_LEVEL_HIGH>, /* asrc 1 */ > + <GIC_SPI 383 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 384 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 385 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 386 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 387 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH>, /* sai4 */ > + <GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 332 IRQ_TYPE_LEVEL_HIGH>; /* sai5 */ > + interrupt-names = "edma1-chan0-rx", "edma1-chan1-rx", /* > asrc1 */ > + "edma1-chan2-rx", "edma1-chan3-tx", > + "edma1-chan4-tx", "edma1-chan5-tx", > + "edma1-chan8-rx", "edma1-chan9-tx", /* sai4 */ > + "edma1-chan10-tx"; /* sai5 */ > + }; > + > adma_lpuart0: serial@5a060000 { > compatible = "fsl,imx8qxp-lpuart", "fsl,imx7ulp-lpuart"; > reg = <0x5a060000 0x1000>; > -- > 2.17.1
