mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-26 20:09:02 +09:00
![Peng Fan](/assets/img/avatar_default.png)
Add dtsi file for i.MX8MQ. Signed-off-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Cc: Stefano Babic <sbabic@denx.de>
93 lines
2.1 KiB
Plaintext
93 lines
2.1 KiB
Plaintext
/*
|
|
* Copyright 2017 NXP
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/{
|
|
cpus {
|
|
#address-cells = <2>;
|
|
#size-cells = <0>;
|
|
|
|
idle-states {
|
|
entry-method = "psci";
|
|
|
|
CPU_SLEEP: cpu-sleep {
|
|
compatible = "arm,idle-state";
|
|
local-timer-stop;
|
|
arm,psci-suspend-param = <0x0000000>;
|
|
entry-latency-us = <700>;
|
|
exit-latency-us = <250>;
|
|
min-residency-us = <1000>;
|
|
};
|
|
|
|
CLUSTER_SLEEP: cluster-sleep {
|
|
compatible = "arm,idle-state";
|
|
local-timer-stop;
|
|
arm,psci-suspend-param = <0x1000000>;
|
|
entry-latency-us = <1000>;
|
|
exit-latency-us = <700>;
|
|
min-residency-us = <2700>;
|
|
wakeup-latency-us = <1500>;
|
|
};
|
|
};
|
|
|
|
/* We have 1 clusters having 4 Cortex-A53 cores */
|
|
A53_0: cpu@0 {
|
|
device_type = "cpu";
|
|
compatible = "arm,cortex-a53";
|
|
reg = <0x0 0x0>;
|
|
enable-method = "psci";
|
|
next-level-cache = <&A53_L2>;
|
|
cpu-idle-states = <&CPU_SLEEP>;
|
|
};
|
|
|
|
A53_1: cpu@1 {
|
|
device_type = "cpu";
|
|
compatible = "arm,cortex-a53";
|
|
reg = <0x0 0x1>;
|
|
enable-method = "psci";
|
|
next-level-cache = <&A53_L2>;
|
|
cpu-idle-states = <&CPU_SLEEP>;
|
|
};
|
|
|
|
A53_2: cpu@2 {
|
|
device_type = "cpu";
|
|
compatible = "arm,cortex-a53";
|
|
reg = <0x0 0x2>;
|
|
enable-method = "psci";
|
|
next-level-cache = <&A53_L2>;
|
|
cpu-idle-states = <&CPU_SLEEP>;
|
|
};
|
|
|
|
A53_3: cpu@3 {
|
|
device_type = "cpu";
|
|
compatible = "arm,cortex-a53";
|
|
reg = <0x0 0x3>;
|
|
enable-method = "psci";
|
|
next-level-cache = <&A53_L2>;
|
|
cpu-idle-states = <&CPU_SLEEP>;
|
|
};
|
|
|
|
A53_L2: l2-cache0 {
|
|
compatible = "cache";
|
|
};
|
|
};
|
|
|
|
psci {
|
|
compatible = "arm,psci-1.0";
|
|
method = "smc";
|
|
cpu_suspend = <0xc4000001>;
|
|
cpu_off = <0xc4000002>;
|
|
cpu_on = <0xc4000003>;
|
|
};
|
|
};
|