[PATCH v4 4/4] arm64: dts: marvell: armada-37xx: add nodes allowing cpufreq support

Gregory CLEMENT
2017-12-14T15:00:06Z

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(+)

diff --git a/arch/arm64/boot/dts/marvell/armada-372x.dtsi b/arch/arm64/boot/dts/marvell/armada-372x.dtsi
index 59d7557d3b1b..2554e0baea6b 100644
--- 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";
};
};
diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
index 90c26d616a54..3056d7168e0b 100644
--- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
@@ -65,6 +65,7 @@
device_type = "cpu";
compatible = "arm,cortex-a53", "arm,armv8";
reg = <0>;
+ clocks = <&nb_periph_clk 16>;
enable-method = "psci";
};
};
@@ -234,6 +235,12 @@
};
};

+ nb_pm: syscon at 14000 {
+ compatible = "marvell,armada-3700-nb-pm",
+ "syscon";
+ reg = <0x14000 0x60>;
+ };
+
pinctrl_sb: pinctrl at 18800 {
compatible = "marvell,armada3710-sb-pinctrl",
"syscon", "simple-mfd";
--
2.15.1