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author | Sascha Hauer <s.hauer@pengutronix.de> | 2020-10-05 11:47:24 +0200 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-10-07 09:07:32 +0200 |
commit | 540fa456ade6abda6258f73d7f85f4d0f8de1336 (patch) | |
tree | d936ae3926419e0f4873e752178df77c4fe1bbca | |
parent | f71a5c88666dc642c428abcc5d58c1362aba5050 (diff) | |
download | barebox-540fa456ade6abda6258f73d7f85f4d0f8de1336.tar.gz barebox-540fa456ade6abda6258f73d7f85f4d0f8de1336.tar.xz |
ARM: dts: i.MX8MP: Add Cortex-M7 Coprocessor node
The i.MX8MQ has a Cortex-M7 Coprocessor. Add a node for controlling 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;
m7_reserved_sysmem1: rproc@40000000 {
reg = <0 0x40000000 0 0x800000>;
no-map;
};
m7_reserved_sysmem2: rproc@40800000 {
reg = <0 0x40800000 0 0x800000>;
no-map;
};
m7_reserved_sysmem3: rproc@80000000 {
reg = <0 0x80000000 0 0x800000>;
no-map;
};
};
&remoteproc_cm7 {
memory-region = <&m7_reserved_sysmem1>, <&m7_reserved_sysmem2>, <&m7_reserved_sysmem3>;
};
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r-- | arch/arm/dts/imx8mp-evk.dts | 1 | ||||
-rw-r--r-- | arch/arm/dts/imx8mp.dtsi | 9 |
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/dts/imx8mp-evk.dts b/arch/arm/dts/imx8mp-evk.dts index bb255e2c94..3264ade4b8 100644 --- a/arch/arm/dts/imx8mp-evk.dts +++ b/arch/arm/dts/imx8mp-evk.dts @@ -7,6 +7,7 @@ /dts-v1/; #include <arm64/freescale/imx8mp-evk.dts> +#include "imx8mp.dtsi" / { chosen { diff --git a/arch/arm/dts/imx8mp.dtsi b/arch/arm/dts/imx8mp.dtsi new file mode 100644 index 0000000000..b251ebeada --- /dev/null +++ b/arch/arm/dts/imx8mp.dtsi @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) + +/ { + remoteproc_cm7: remoteproc-cm7 { + compatible = "fsl,imx8mp-cm7"; + clocks = <&clk IMX8MP_CLK_M7_CORE>; + syscon = <&src>; + }; +}; |