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ARM: dts: stm32: Add CM4 reserved memory, rproc and IPCC on DHCOR SoM

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Add reserved memory nodes for CortexM4 on the STM32MP1 DHCOR SoM, enable
rproc to control the CM4 and IPCC mailbox to interact with it.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: linux-stm32@st-md-mailman.stormreply.com
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
This commit is contained in:
Marek Vasut 2022-01-11 03:48:02 +01:00 • committed by Alexandre Torgue
parent 26c1d8c7fe
commit 1deab7ed16
1 changed files with 56 additions and 0 deletions
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56
arch/arm/boot/dts/stm32mp15xx-dhcor-som.dtsi
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@ -19,6 +19,48 @@
device_type = "memory";
reg = <0xc0000000 0x40000000>;
};
reserved-memory {
#address-cells = <1>;
#size-cells = <1>;
ranges;
mcuram2: mcuram2@10000000 {
compatible = "shared-dma-pool";
reg = <0x10000000 0x40000>;
no-map;
};
vdev0vring0: vdev0vring0@10040000 {
compatible = "shared-dma-pool";
reg = <0x10040000 0x1000>;
no-map;
};
vdev0vring1: vdev0vring1@10041000 {
compatible = "shared-dma-pool";
reg = <0x10041000 0x1000>;
no-map;
};
vdev0buffer: vdev0buffer@10042000 {
compatible = "shared-dma-pool";
reg = <0x10042000 0x4000>;
no-map;
};
mcuram: mcuram@30000000 {
compatible = "shared-dma-pool";
reg = <0x30000000 0x40000>;
no-map;
};
retram: retram@38000000 {
compatible = "shared-dma-pool";
reg = <0x38000000 0x10000>;
no-map;
};
};
};
&crc1 {
@ -179,11 +221,25 @@
};
};
&ipcc {
status = "okay";
};
&iwdg2 {
timeout-sec = <32>;
status = "okay";
};
&m4_rproc {
memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
<&vdev0vring1>, <&vdev0buffer>;
mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
mbox-names = "vq0", "vq1", "shutdown";
interrupt-parent = <&exti>;
interrupts = <68 1>;
status = "okay";
};
&pwr_regulators {
vdd-supply = <&vdd>;
vdd_3v3_usbfs-supply = <&vdd_usb>;