| Message ID | 20210504082052.2084706-2-l.stach@pengutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/2] arm64: dts: imx8mm: specify dma-ranges | expand |
On 04.05.21 10:20, Lucas Stach wrote: > DMA addressing capabilities on i.MX8MN are limited by the interconnect, > same as on i.MX8MQ. Add dma-ranges to the the peripheral bus to let > the kernel know about this. > > Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> > --- > arch/arm64/boot/dts/freescale/imx8mn.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi > index 16ea50089567..256e1dfb5db3 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi > @@ -245,6 +245,7 @@ soc@0 { > #address-cells = <1>; > #size-cells = <1>; > ranges = <0x0 0x0 0x0 0x3e000000>; > + dma-ranges = <0x40000000 0x0 0x40000000 0xc0000000>; > nvmem-cells = <&imx8mn_uid>; > nvmem-cell-names = "soc_unique_id"; > >
diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi index 16ea50089567..256e1dfb5db3 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi @@ -245,6 +245,7 @@ soc@0 { #address-cells = <1>; #size-cells = <1>; ranges = <0x0 0x0 0x0 0x3e000000>; + dma-ranges = <0x40000000 0x0 0x40000000 0xc0000000>; nvmem-cells = <&imx8mn_uid>; nvmem-cell-names = "soc_unique_id";
DMA addressing capabilities on i.MX8MN are limited by the interconnect, same as on i.MX8MQ. Add dma-ranges to the the peripheral bus to let the kernel know about this. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> --- arch/arm64/boot/dts/freescale/imx8mn.dtsi | 1 + 1 file changed, 1 insertion(+)