1# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note 2# 3# (C) COPYRIGHT 2019-2021 ARM Limited. All rights reserved. 4# 5# This program is free software and is provided to you under the terms of the 6# GNU General Public License version 2 as published by the Free Software 7# Foundation, and any use by you of this program is subject to the terms 8# of such GNU license. 9# 10# This program is distributed in the hope that it will be useful, 11# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# GNU General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program; if not, you can access it online at 17# http://www.gnu.org/licenses/gpl-2.0.html. 18# 19# 20 21* Arm memory group manager for Mali GPU device drivers 22 23Required properties: 24 25- compatible: Must be "arm,physical-memory-group-manager" 26 27An example node: 28 29 gpu_physical_memory_group_manager: physical-memory-group-manager { 30 compatible = "arm,physical-memory-group-manager"; 31 }; 32 33It must be referenced by the GPU as well, see physical-memory-group-manager: 34 35 gpu: gpu@0x6e000000 { 36 compatible = "arm,mali-midgard"; 37 reg = <0x0 0x6e000000 0x0 0x200000>; 38 interrupts = <0 168 4>, <0 168 4>, <0 168 4>; 39 interrupt-names = "JOB", "MMU", "GPU"; 40 clocks = <&scpi_dvfs 2>; 41 clock-names = "clk_mali"; 42 system-coherency = <31>; 43 physical-memory-group-manager = <&gpu_physical_memory_group_manager>; 44 operating-points = < 45 /* KHz uV */ 46 50000 820000 47 >; 48 }; 49