redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

MLK-23754-36 arm64: dts: imx8dxl: add cm4 node 

Add cm4 node for remoteproc usage.

Reviewed-by: Richard Zhu <hongxing.zhu@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
5.4-rM2-2.2.x-imx-squashed
Peng Fan 2020-04-02 13:36:03 +08:00
parent a642d40a06
commit c2be5262f0
3 changed files with 61 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/arm64/boot/dts/freescale/imx8dxl-evk-rpmsg.dts
View File

@ -13,7 +13,13 @@
*/
vdev-nums = <2>;
reg = <0x0 0x90000000 0x0 0x20000>;
memory-region = <&rpmsg_dma_reserved>;
memory-region = <&vdevbuffer>;
status = "disabled";
};
&imx8dxl_cm4 {
/* Assume you have partitioned M4, so M4 is ont controled by Linux */
/delete-property/ power-domains;
status = "okay";
};

46
arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
View File

@ -35,15 +35,9 @@
reg = <0 0x88000000 0 0x8000000>;
};
rpmsg_reserved: rpmsg@0x90000000 {
rpmsg_reserved: rpmsg@0x90200000 {
no-map;
reg = <0 0x90000000 0 0x400000>;
};
rpmsg_dma_reserved:rpmsg_dma@0x90400000 {
compatible = "shared-dma-pool";
no-map;
reg = <0 0x90400000 0 0x100000>;
reg = <0 0x90200000 0 0x200000>;
};
/*
@ -62,6 +56,36 @@
alloc-ranges = <0 0x98000000 0 0x14000000>;
linux,cma-default;
};
vdev0vring0: vdev0vring0@90000000 {
compatible = "shared-dma-pool";
reg = <0 0x90000000 0 0x8000>;
no-map;
};
vdev0vring1: vdev0vring1@90008000 {
compatible = "shared-dma-pool";
reg = <0 0x90008000 0 0x8000>;
no-map;
};
vdev1vring0: vdev1vring0@90010000 {
compatible = "shared-dma-pool";
reg = <0 0x90010000 0 0x8000>;
no-map;
};
vdev1vring1: vdev1vring1@90018000 {
compatible = "shared-dma-pool";
reg = <0 0x90018000 0 0x8000>;
no-map;
};
vdevbuffer: vdevbuffer {
compatible = "shared-dma-pool";
reg = <0 0x90400000 0 0x100000>;
no-map;
};
};
reg_can0_stby: regulator-can0-stby {
@ -278,6 +302,12 @@
};
};
&imx8dxl_cm4 {
memory-region = <&vdev0vring0>, <&vdev0vring1>, <&vdevbuffer>,
<&vdev1vring0>, <&vdev1vring1>;
status = "disabled";
};
&lpspi3 {
fsl,spi-num-chipselects = <1>;
pinctrl-names = "default";

16
arch/arm64/boot/dts/freescale/imx8dxl.dtsi
View File

@ -136,6 +136,22 @@
status = "disabled";
};
imx8dxl_cm4: imx8dxl_cm4@0 {
compatible = "fsl,imx8qxp-cm4";
rsc-da = <0x90000000>;
mbox-names = "tx", "rx", "rxdb";
mboxes = <&lsio_mu5 0 1
&lsio_mu5 1 1
&lsio_mu5 3 1>;
mub-partition = <3>;
core-index = <0>;
core-id = <IMX_SC_R_M4_0_PID0>;
status = "disabled";
power-domains = <&pd IMX_SC_R_M4_0_PID0>,
<&pd IMX_SC_R_M4_0_MU_1A>;
};
scu {
compatible = "fsl,imx-scu";
mbox-names = "tx0", "tx1", "tx2", "tx3",