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arm64: dts: imx8m: add the rpmsg support 

Add the imx8mq/imx8mm rpmsg support.

Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
5.4-rM2-2.2.x-imx-squashed
Richard Zhu 2019-04-28 16:12:58 +08:00 committed by Dong Aisheng
parent cd8bc8edd7
commit 6945d59d54
5 changed files with 167 additions and 2 deletions
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4
arch/arm64/boot/dts/freescale/Makefile
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@ -21,9 +21,9 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls2088a-rdb.dtb
dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-lx2160a-qds.dtb
dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-lx2160a-rdb.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-evk.dtb imx8mm-evk-rpmsg.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk.dtb imx8mq-evk-rpmsg.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mq-hummingboard-pulse.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mq-librem5-devkit.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mq-nitrogen.dtb

57
arch/arm64/boot/dts/freescale/imx8mm-evk-rpmsg.dts 100644
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@ -0,0 +1,57 @@
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
* Copyright 2019 NXP
*/
/dts-v1/;
#include "imx8mm-evk.dts"
/ {
reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
ranges;
m4_reserved: m4@0x80000000 {
no-map;
reg = <0 0x80000000 0 0x1000000>;
};
rpmsg_reserved: rpmsg@0xb8000000 {
no-map;
reg = <0 0xb8000000 0 0x400000>;
};
};
};
/*
* ATTENTION: M4 may use IPs like below
* ECSPI0/ECSPI2, GPIO1/GPIO5, GPT1, I2C3, I2S3, WDOG1, UART4, PWM3, SDMA1
*/
&i2c3 {
status = "disabled";
};
&rpmsg{
/*
* 64K for one rpmsg instance:
* --0xb8000000~0xb800ffff: pingpong
*/
vdev-nums = <1>;
reg = <0x0 0xb8000000 0x0 0x10000>;
status = "okay";
};
&sdma1{
status = "disabled";
};
&uart4 {
status = "disabled";
};
&sdma3 {
status = "disabled";
};

23
arch/arm64/boot/dts/freescale/imx8mm.dtsi
View File

@ -690,6 +690,15 @@
status = "disabled";
};
mu: mu@30aa0000 {
compatible = "fsl,imx8mm-mu", "fsl,imx6sx-mu";
reg = <0x30aa0000 0x10000>;
interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk IMX8MM_CLK_MU_ROOT>;
clock-names = "mu";
#mbox-cells = <2>;
};
usdhc1: mmc@30b40000 {
compatible = "fsl,imx8mm-usdhc", "fsl,imx7d-usdhc";
reg = <0x30b40000 0x10000>;
@ -866,4 +875,18 @@
interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
};
};
rpmsg: rpmsg{
compatible = "fsl,imx8mq-rpmsg";
/* up to now, the following channels are used in imx rpmsg
* - tx1/rx1: messages channel.
* - general interrupt1: remote proc finish re-init rpmsg stack
* when A core is partition reset.
*/
mbox-names = "tx", "rx", "rxdb";
mboxes = <&mu 0 1
&mu 1 1
&mu 3 1>;
status = "disabled";
};
};

62
arch/arm64/boot/dts/freescale/imx8mq-evk-rpmsg.dts 100644
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@ -0,0 +1,62 @@
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
* Copyright 2019 NXP
*/
/dts-v1/;
#include "imx8mq-evk.dts"
/ {
reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
ranges;
m4_reserved: m4@0x80000000 {
no-map;
reg = <0 0x80000000 0 0x1000000>;
};
rpmsg_reserved: rpmsg@0xb8000000 {
no-map;
reg = <0 0xb8000000 0 0x400000>;
};
};
};
/*
* Regarding to the HW conflications, the following module should be disabled
* when M4 is running on evk board.
* gpt1, i2c2, pwm4, tmu, uart2, wdog3
*/
&i2c2 {
status = "disabled";
};
&pwm4 {
status = "disabled";
};
&rpmsg{
/*
* 64K for one rpmsg instance:
* --0xb8000000~0xb800ffff: pingpong
*/
vdev-nums = <1>;
reg = <0x0 0xb8000000 0x0 0x10000>;
status = "okay";
};
&tmu {
status = "disabled";
};
&uart2 {
status = "disabled";
};
&wdog3{
status = "disabled";
};

23
arch/arm64/boot/dts/freescale/imx8mq.dtsi
View File

@ -845,6 +845,15 @@
status = "disabled";
};
mu: mu@30aa0000 {
compatible = "fsl,imx8mq-mu", "fsl,imx6sx-mu";
reg = <0x30aa0000 0x10000>;
interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk IMX8MQ_CLK_MU_ROOT>;
clock-names = "mu";
#mbox-cells = <2>;
};
usdhc1: mmc@30b40000 {
compatible = "fsl,imx8mq-usdhc",
"fsl,imx7d-usdhc";
@ -1125,4 +1134,18 @@
status = "disabled";
};
};
rpmsg: rpmsg{
compatible = "fsl,imx8mq-rpmsg";
/* up to now, the following channels are used in imx rpmsg
* - tx1/rx1: messages channel.
* - general interrupt1: remote proc finish re-init rpmsg stack
* when A core is partition reset.
*/
mbox-names = "tx", "rx", "rxdb";
mboxes = <&mu 0 1
&mu 1 1
&mu 3 1>;
status = "disabled";
};
};