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

Gregory CLEMENT
2017-12-15T15:00:24Z

Hi,

On jeu., d?c. 14 2017, Gregory CLEMENT <gregory.clement@free-electrons.com> wrote:

> 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>

Applied on mvebu/dt64

Gregory

> ---
> 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
>

--
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.