2016-12-02 05:52:59

by Baoyou Xie

Subject: [PATCH v2] arm64: dts: zx: support cpu-freq for zx296718

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 <[email protected]>
---
arch/arm64/boot/dts/zte/zx296718.dtsi | 39 +++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)

diff --git a/arch/arm64/boot/dts/zte/zx296718.dtsi b/arch/arm64/boot/dts/zte/zx296718.dtsi
index 7a1aed7..b44d1d1 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@1 {
@@ -88,6 +91,8 @@
compatible = "arm,cortex-a53","arm,armv8";
reg = <0x0 0x1>;
enable-method = "psci";
+ clocks = <&topcrm A53_GATE>;
+ operating-points-v2 = <&cluster0_opp>;
};

cpu2: cpu@2 {
@@ -95,6 +100,8 @@
compatible = "arm,cortex-a53","arm,armv8";
reg = <0x0 0x2>;
enable-method = "psci";
+ clocks = <&topcrm A53_GATE>;
+ operating-points-v2 = <&cluster0_opp>;
};

cpu3: cpu@3 {
@@ -102,6 +109,38 @@
compatible = "arm,cortex-a53","arm,armv8";
reg = <0x0 0x3>;
enable-method = "psci";
+ clocks = <&topcrm A53_GATE>;
+ operating-points-v2 = <&cluster0_opp>;
+ };
+ };
+
+ cluster0_opp: opp-table0 {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp@500000000 {
+ opp-hz = /bits/ 64 <500000000>;
+ clock-latency-ns = <500000>;
+ };
+
+ opp@648000000 {
+ opp-hz = /bits/ 64 <648000000>;
+ clock-latency-ns = <500000>;
+ };
+
+ opp@800000000 {
+ opp-hz = /bits/ 64 <800000000>;
+ clock-latency-ns = <500000>;
+ };
+
+ opp@1000000000 {
+ opp-hz = /bits/ 64 <1000000000>;
+ clock-latency-ns = <500000>;
+ };
+
+ opp@1188000000 {
+ opp-hz = /bits/ 64 <1188000000>;
+ clock-latency-ns = <500000>;
};
};

--
2.7.4

2016-12-02 06:08:09

by Viresh Kumar

Subject: Re: [PATCH v2] arm64: dts: zx: support cpu-freq for zx296718

On 02-12-16, 13:58, Baoyou Xie wrote:
> + Viresh, the author of the bindings.
>
> On 2 December 2016 at 13:52, Baoyou Xie <[email protected]> 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 <[email protected]>
> > ---
> > arch/arm64/boot/dts/zte/zx296718.dtsi | 39 ++++++++++++++++++++++++++++++
> > +++++
> > 1 file changed, 39 insertions(+)

Acked-by: Viresh Kumar <[email protected]>

--
viresh

2016-12-05 02:35:56

by Jun Nie

Subject: Re: [PATCH v2] arm64: dts: zx: support cpu-freq for zx296718

2016-12-02 14:00 GMT+08:00 Viresh Kumar <[email protected]>:
> On 02-12-16, 13:58, Baoyou Xie wrote:
>> + Viresh, the author of the bindings.
>>
>> On 2 December 2016 at 13:52, Baoyou Xie <[email protected]> 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 <[email protected]>
>> > ---
>> > arch/arm64/boot/dts/zte/zx296718.dtsi | 39 ++++++++++++++++++++++++++++++
>> > +++++
>> > 1 file changed, 39 insertions(+)

Reviewed-by: Jun Nie <[email protected]>

>
> Acked-by: Viresh Kumar <[email protected]>
>
> --
> viresh

2016-12-05 02:48:50

by Shawn Guo

Subject: Re: [PATCH v2] arm64: dts: zx: support cpu-freq for zx296718

On Fri, Dec 02, 2016 at 01:52:36PM +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 <[email protected]>

Applied, thanks.