# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note # # (C) COPYRIGHT 2019-2021 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 license. # # 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. # # * Arm memory group manager for Mali GPU device drivers Required properties: - compatible: Must be "arm,physical-memory-group-manager" An example node: gpu_physical_memory_group_manager: physical-memory-group-manager { compatible = "arm,physical-memory-group-manager"; }; It must be referenced by the GPU as well, see physical-memory-group-manager: gpu: gpu@0x6e000000 { compatible = "arm,mali-midgard"; reg = <0x0 0x6e000000 0x0 0x200000>; interrupts = <0 168 4>, <0 168 4>, <0 168 4>; interrupt-names = "JOB", "MMU", "GPU"; clocks = <&scpi_dvfs 2>; clock-names = "clk_mali"; system-coherency = <31>; physical-memory-group-manager = <&gpu_physical_memory_group_manager>; operating-points = < /* KHz uV */ 50000 820000 >; };