On Mon, Oct 05, 2020 at 02:05:47PM +0200, Rouven Czerwinski wrote: > On Mon, 2020-10-05 at 11:53 +0200, Sascha Hauer wrote: > > The i.MX8MQ has a Cortex-M7 Coprocessor. Add a node for controlling > Copy paste error from MX8MP ^ schould be Cortex-M4. Ok, fixed. Sascha > > > it. > > To make use of it the board has to provide the reserved memory nodes, > > for example: > > > > reserved-memory { > > #address-cells = <2>; > > #size-cells = <2>; > > ranges; > > > > m4_reserved: m7@0x40000000 { > > no-map; > > reg = <0 0x40000000 0 0x1000000>; > > }; > > > > m4_reserved_sysmem3: rproc@80000000 { > > reg = <0 0x80000000 0 0x800000>; > > no-map; > > }; > > }; > > > > &remoteproc_cm4 { > > memory-region = <&m4_reserved>, <&m4_reserved_sysmem3>; > > }; > > > > Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > > --- > > arch/arm/dts/imx8mq.dtsi | 8 ++++++++ > > 1 file changed, 8 insertions(+) > > > > diff --git a/arch/arm/dts/imx8mq.dtsi b/arch/arm/dts/imx8mq.dtsi > > index 5f2df35bc9..ec8347f38f 100644 > > --- a/arch/arm/dts/imx8mq.dtsi > > +++ b/arch/arm/dts/imx8mq.dtsi > > @@ -4,6 +4,14 @@ > > * Copyright (C) 2017 Pengutronix, Lucas Stach < > > kernel@xxxxxxxxxxxxxx> > > */ > > > > +/ { > > + remoteproc_cm4: remoteproc-cm4 { > > + compatible = "fsl,imx8mq-cm4"; > > + clocks = <&clk IMX8MQ_CLK_M4_CORE>; > > + syscon = <&src>; > > + }; > > +}; > > + > > &clk { > > assigned-clocks = <&clk IMX8MQ_CLK_USDHC1>, > > <&clk IMX8MQ_CLK_USDHC2>, > > Regards, > Rouven > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox