* [PATCH] ARM: sunxi: Add CPU regulator for cpufreq
@ 2016-01-12 13:59 Maxime Ripard
2016-01-12 14:17 ` Chen-Yu Tsai
0 siblings, 1 reply; 3+ messages in thread
From: Maxime Ripard @ 2016-01-12 13:59 UTC (permalink / raw)
To: linux-arm-kernel
The current DT doesn't have a phandle to the CPU regulator in the CPU node,
which disables the CPU voltage scaling entirely.
Add that phandle.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
---
arch/arm/boot/dts/sun5i-r8-chip.dts | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm/boot/dts/sun5i-r8-chip.dts b/arch/arm/boot/dts/sun5i-r8-chip.dts
index 530ab28e9ca2..f6898c6b84d4 100644
--- a/arch/arm/boot/dts/sun5i-r8-chip.dts
+++ b/arch/arm/boot/dts/sun5i-r8-chip.dts
@@ -70,6 +70,10 @@
status = "okay";
};
+&cpu0 {
+ cpu-supply = <®_dcdc2>;
+};
+
&ehci0 {
status = "okay";
};
--
2.6.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH] ARM: sunxi: Add CPU regulator for cpufreq
2016-01-12 13:59 [PATCH] ARM: sunxi: Add CPU regulator for cpufreq Maxime Ripard
@ 2016-01-12 14:17 ` Chen-Yu Tsai
2016-01-17 19:59 ` Maxime Ripard
0 siblings, 1 reply; 3+ messages in thread
From: Chen-Yu Tsai @ 2016-01-12 14:17 UTC (permalink / raw)
To: linux-arm-kernel
On Tue, Jan 12, 2016 at 9:59 PM, Maxime Ripard
<maxime.ripard@free-electrons.com> wrote:
> The current DT doesn't have a phandle to the CPU regulator in the CPU node,
> which disables the CPU voltage scaling entirely.
Commit message doesn't say which chip (family).
ChenYu
> Add that phandle.
>
> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
> ---
> arch/arm/boot/dts/sun5i-r8-chip.dts | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun5i-r8-chip.dts b/arch/arm/boot/dts/sun5i-r8-chip.dts
> index 530ab28e9ca2..f6898c6b84d4 100644
> --- a/arch/arm/boot/dts/sun5i-r8-chip.dts
> +++ b/arch/arm/boot/dts/sun5i-r8-chip.dts
> @@ -70,6 +70,10 @@
> status = "okay";
> };
>
> +&cpu0 {
> + cpu-supply = <®_dcdc2>;
> +};
> +
> &ehci0 {
> status = "okay";
> };
> --
> 2.6.4
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH] ARM: sunxi: Add CPU regulator for cpufreq
2016-01-12 14:17 ` Chen-Yu Tsai
@ 2016-01-17 19:59 ` Maxime Ripard
0 siblings, 0 replies; 3+ messages in thread
From: Maxime Ripard @ 2016-01-17 19:59 UTC (permalink / raw)
To: linux-arm-kernel
Hi,
On Tue, Jan 12, 2016 at 10:17:31PM +0800, Chen-Yu Tsai wrote:
> On Tue, Jan 12, 2016 at 9:59 PM, Maxime Ripard
> <maxime.ripard@free-electrons.com> wrote:
> > The current DT doesn't have a phandle to the CPU regulator in the CPU node,
> > which disables the CPU voltage scaling entirely.
>
> Commit message doesn't say which chip (family).
Even worse, which board :)
I've fixed it and applied it.
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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2016-01-12 14:17 ` Chen-Yu Tsai
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