Commit 1deab7ed authored by Marek Vasut's avatar Marek Vasut Committed by Alexandre Torgue
Browse files

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



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: default avatarMarek 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: default avatarAlexandre Torgue <alexandre.torgue@foss.st.com>
parent 26c1d8c7

arch/arm/boot/dts/stm32mp15xx-dhcor-som.dtsi

+56 −0
Original line number Diff line number Diff line
@@ -19,6 +19,48 @@ memory@c0000000 { 
		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 @@ eeprom@53 { 
	};

};



&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>;