Add cm4 remoteproc which supports rpmsg naming service.
It needs vdevbuffer and a pair of vrings and 16MB reserved memory.
Signed-off-by: Dong Aisheng <aisheng.dong@xxxxxxx>
---
arch/arm64/boot/dts/freescale/Makefile | 1 +
.../boot/dts/freescale/imx8mq-evk-rpmsg.dts | 72 +++++++++++++++++++
2 files changed, 73 insertions(+)
create mode 100644 arch/arm64/boot/dts/freescale/imx8mq-evk-rpmsg.dts
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 4b4785d86324..687ad9d68a85 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -49,6 +49,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mn-var-som-symphony.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-rdk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk-rpmsg.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mq-hummingboard-pulse.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mq-kontron-pitx-imx8m.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mq-librem5-devkit.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk-rpmsg.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk-rpmsg.dts
new file mode 100644
index 000000000000..4a8911087e5f
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mq-evk-rpmsg.dts
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright 2019-2021 NXP
+ */
+
+#include "imx8mq-evk.dts"
+
+/ {
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ vdev0vring0: vdev0vring0@b8000000 {
+ reg = <0 0xb8000000 0 0x8000>;
+ no-map;
+ };
+
+ vdev0vring1: vdev0vring1@b8008000 {
+ reg = <0 0xb8008000 0 0x8000>;
+ no-map;
+ };
+
+ rsc_table: rsc-table@b80ff000 {
+ reg = <0 0xb80ff000 0 0x1000>;
+ no-map;
+ };
+
+ vdevbuffer: vdevbuffer@b8400000 {
+ compatible = "shared-dma-pool";
+ reg = <0 0xb8400000 0 0x100000>;
+ no-map;
+ };
+
+ remoteproc@80000000 {
+ reg = <0 0x80000000 0 0x1000000>;
+ no-map;
+ };
+ };
+
+ imx8mq-cm4 {
+ compatible = "fsl,imx8mq-cm4";
+ clocks = <&clk IMX8MQ_CLK_M4_DIV>;
+ mbox-names = "tx", "rx", "rxdb";
+ mboxes = <&mu 0 1
+ &mu 1 1
+ &mu 3 1>;
+ memory-region = <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>,
+ <&rsc_table>;
+ syscon = <&src>;
+ };
+};
+
+/*
+ * Below devices are allocated on remoteproc
+ */
+
+&i2c2 {
+ status = "disabled";
+};
+
+&pwm4 {
+ status = "disabled";
+};
+
+&tmu {
+ status = "disabled";
+};
+
+&uart2 {
+ status = "disabled";
+};
--
2.25.1
