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authorSascha Hauer <s.hauer@pengutronix.de>2020-10-05 11:47:24 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2020-10-07 09:07:32 +0200
commit540fa456ade6abda6258f73d7f85f4d0f8de1336 (patch)
treed936ae3926419e0f4873e752178df77c4fe1bbca
parentf71a5c88666dc642c428abcc5d58c1362aba5050 (diff)
downloadbarebox-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.dts1
-rw-r--r--arch/arm/dts/imx8mp.dtsi9
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>;
+ };
+};