| /* |
| * (C) COPYRIGHT 2020 Arm Limited. All rights reserved. |
| * |
| * This program is free software and is provided to you under the terms of the |
| * GNU General Public License version 2 as published by the Free Software |
| * Foundation, and any use by you of this program is subject to the terms |
| * of such GNU licence. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, you can access it online at |
| * http://www.gnu.org/licenses/gpl-2.0.html. |
| * |
| * SPDX-License-Identifier: GPL-2.0-only |
| */ |
| |
| /* Example for mailbox driver dts entries for mhuv2 */ |
| |
| /{ |
| npu_mhuv2_0: mhuv2@50040000 { |
| compatible = "arm,primecell"; |
| reg = <0x0 0x50040000 0x0 0x1000>, |
| <0x0 0x50050000 0x0 0x1000>; |
| clocks = <&clk_apb>; |
| clock-names = "apb_pclk"; |
| #mbox-cells = <2>; |
| interrupts = <0 195 4>; |
| interrupt-names = "mhu_rx"; |
| }; |
| |
| ethosu@0x50000000 { |
| #address-cells = <2>; |
| #size-cells = <2>; |
| #interrupt-cells = <3>; |
| compatible = "arm,ethosu"; |
| reg = <0 0x84000000 0 0x00010000>, |
| <0 0x84010000 0 0x00010000>, |
| <0 0x84020000 0 0x00010000>; |
| reg-names = "in_queue", "out_queue", "print_queue"; |
| memory-region = <ðosu_reserved>; |
| ranges = <>; |
| mboxes = <&npu_mhuv2_0 0>, <&npu_mhuv2_0 0>; |
| mbox-names = "tx", "rx"; |
| dma-ranges = <0 0x60000000 0 0x80000000 0 0x20000000>; |
| }; |
| |
| mailbox_mhu_test@0x84000000 { |
| compatible = "mailbox-test"; |
| reg = <0x0 0x84000000 0x0 0x10000>, <0x0 0x84010000 0x0 0x10000>; |
| mboxes = <&npu_mhuv2_0 0>, <&npu_mhuv2_0 0>; |
| mbox-names = "tx", "rx"; |
| }; |
| }; |
| |