OpenWrt – Rev 4
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From e8d66e7927b2a15310df0eb44a67d120ea147a59 Mon Sep 17 00:00:00 2001
From: Gregory CLEMENT <gregory.clement@free-electrons.com>
Date: Thu, 14 Dec 2017 16:00:06 +0100
Subject: arm64: dts: marvell: armada-37xx: add nodes allowing cpufreq
support
In order to be able to use cpu freq, we need to associate a clock to each
CPU and to expose the power management registers.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
---
arch/arm64/boot/dts/marvell/armada-372x.dtsi | 1 +
arch/arm64/boot/dts/marvell/armada-37xx.dtsi | 7 +++++++
2 files changed, 8 insertions(+)
--- a/arch/arm64/boot/dts/marvell/armada-372x.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-372x.dtsi
@@ -56,6 +56,7 @@
device_type = "cpu";
compatible = "arm,cortex-a53","arm,armv8";
reg = <0x1>;
+ clocks = <&nb_periph_clk 16>;
enable-method = "psci";
};
};
--- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
@@ -64,6 +64,7 @@
device_type = "cpu";
compatible = "arm,cortex-a53", "arm,armv8";
reg = <0>;
+ clocks = <&nb_periph_clk 16>;
enable-method = "psci";
};
};
@@ -219,6 +220,12 @@
};
};
+ nb_pm: syscon@14000 {
+ compatible = "marvell,armada-3700-nb-pm",
+ "syscon";
+ reg = <0x14000 0x60>;
+ };
+
pinctrl_sb: pinctrl@18800 {
compatible = "marvell,armada3710-sb-pinctrl",
"syscon", "simple-mfd";