Commit 014fbffa authored by Peng Fan's avatar Peng Fan Committed by Shawn Guo
Browse files

arm64: dts: imx8ulp-evk: enable CM33 node 



Enable CM33 node to support rpmsg feature. To use rpmsg, also need
to enable mu node for mailbox doorbell and reserved memory node
for vring, and data buffer. And reserved a piece DRAM memory for case
that m33 images loaded in DRAM.

Signed-off-by: default avatarPeng Fan <peng.fan@nxp.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent d0da51bb

arch/arm64/boot/dts/freescale/imx8ulp-evk.dts

+50 −0
Original line number Diff line number Diff line
@@ -31,6 +31,42 @@ linux,cma { 
			size = <0 0x28000000>;

			linux,cma-default;

		};



		m33_reserved: noncacheable-section@a8600000 {

			reg = <0 0xa8600000 0 0x1000000>;

			no-map;

		};



		rsc_table: rsc-table@1fff8000{

			reg = <0 0x1fff8000 0 0x1000>;

			no-map;

		};



		vdev0vring0: vdev0vring0@aff00000 {

			reg = <0 0xaff00000 0 0x8000>;

			no-map;

		};



		vdev0vring1: vdev0vring1@aff08000 {

			reg = <0 0xaff08000 0 0x8000>;

			no-map;

		};



		vdev1vring0: vdev1vring0@aff10000 {

			reg = <0 0xaff10000 0 0x8000>;

			no-map;

		};



		vdev1vring1: vdev1vring1@aff18000 {

			reg = <0 0xaff18000 0 0x8000>;

			no-map;

		};



		vdevbuffer: vdevbuffer@a8400000 {

			compatible = "shared-dma-pool";

			reg = <0 0xa8400000 0 0x100000>;

			no-map;

		};

	};



	clock_ext_rmii: clock-ext-rmii {
@@ -49,6 +85,16 @@ clock_ext_ts: clock-ext-ts { 
	};

};



&cm33 {

	mbox-names = "tx", "rx", "rxdb";

	mboxes = <&mu 0 1>,

		 <&mu 1 1>,

		 <&mu 3 1>;

	memory-region = <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>,

			<&vdev1vring0>, <&vdev1vring1>, <&rsc_table>;

	status = "okay";

};



&lpuart5 {

	/* console */

	pinctrl-names = "default", "sleep";
@@ -92,6 +138,10 @@ ethphy: ethernet-phy@1 { 
	};

};



&mu {

	status = "okay";

};



&iomuxc1 {

	pinctrl_enet: enetgrp {

		fsl,pins = <