arm64: dts: zx: support cpu-freq for zx296718
Viresh Kumar
viresh.kumar at linaro.org
Thu Dec 1 18:54:47 PST 2016
On 02-12-16, 10:36, Shawn Guo wrote:
> + Viresh, the author of the bindings.
>
> On Thu, Dec 01, 2016 at 08:08:55PM +0800, Baoyou Xie wrote:
> > This patch adds the CPU clock phandle in CPU's node
> > and uses operating-points-v2 to register operating points.
> >
> > So it can be used by cpufreq-dt driver.
> >
> > Signed-off-by: Baoyou Xie <baoyou.xie at linaro.org>
>
> Just out of curiosity, why is there no '[PATCH]' prefix in the subject?
>
> > ---
> > arch/arm64/boot/dts/zte/zx296718.dtsi | 37 +++++++++++++++++++++++++++++++++++
> > 1 file changed, 37 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/zte/zx296718.dtsi b/arch/arm64/boot/dts/zte/zx296718.dtsi
> > index 7a1aed7..16f7d5e 100644
> > --- a/arch/arm64/boot/dts/zte/zx296718.dtsi
> > +++ b/arch/arm64/boot/dts/zte/zx296718.dtsi
> > @@ -44,6 +44,7 @@
> > #include <dt-bindings/input/input.h>
> > #include <dt-bindings/interrupt-controller/arm-gic.h>
> > #include <dt-bindings/gpio/gpio.h>
> > +#include <dt-bindings/clock/zx296718-clock.h>
> >
> > / {
> > compatible = "zte,zx296718";
> > @@ -81,6 +82,8 @@
> > compatible = "arm,cortex-a53","arm,armv8";
> > reg = <0x0 0x0>;
> > enable-method = "psci";
> > + clocks = <&topcrm A53_GATE>;
> > + operating-points-v2 = <&cluster0_opp>;
> > };
> >
> > cpu1: cpu at 1 {
> > @@ -88,6 +91,7 @@
> > compatible = "arm,cortex-a53","arm,armv8";
> > reg = <0x0 0x1>;
> > enable-method = "psci";
> > + operating-points-v2 = <&cluster0_opp>;
> > };
> >
> > cpu2: cpu at 2 {
> > @@ -95,6 +99,7 @@
> > compatible = "arm,cortex-a53","arm,armv8";
> > reg = <0x0 0x2>;
> > enable-method = "psci";
> > + operating-points-v2 = <&cluster0_opp>;
> > };
> >
> > cpu3: cpu at 3 {
> > @@ -102,6 +107,38 @@
> > compatible = "arm,cortex-a53","arm,armv8";
> > reg = <0x0 0x3>;
> > enable-method = "psci";
> > + operating-points-v2 = <&cluster0_opp>;
> > + };
> > + };
> > +
> > + cluster0_opp: opp_table0 {
Also, you better add "clocks" property in all above nodes.
--
viresh
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