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Groups > linux.kernel > #1716217 > unrolled thread
| Started by | Andy Yan <andy.yan@rock-chips.com> |
|---|---|
| First post | 2017-08-21 11:10 +0200 |
| Last post | 2017-08-21 17:40 +0200 |
| Articles | 4 — 2 participants |
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[PATCH 1/2] ARM: dts: rockchip: add cpu opp table for rv1108 Andy Yan <andy.yan@rock-chips.com> - 2017-08-21 11:10 +0200
[PATCH 2/2] cpufreq: dt: add support for rockchip rv1108 Andy Yan <andy.yan@rock-chips.com> - 2017-08-21 11:20 +0200
Re: [PATCH 2/2] cpufreq: dt: add support for rockchip rv1108 Heiko Stuebner <heiko@sntech.de> - 2017-08-23 01:00 +0200
Re: [PATCH 1/2] ARM: dts: rockchip: add cpu opp table for rv1108 Heiko Stuebner <heiko@sntech.de> - 2017-08-21 17:40 +0200
| From | Andy Yan <andy.yan@rock-chips.com> |
|---|---|
| Date | 2017-08-21 11:10 +0200 |
| Subject | [PATCH 1/2] ARM: dts: rockchip: add cpu opp table for rv1108 |
| Message-ID | <ugQSB-2pE-19@gated-at.bofh.it> |
Add cpu opp table for rv1108 to support frequency
from 408MHZ to 1008MHZ.
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
---
arch/arm/boot/dts/rv1108-evb.dts | 4 ++++
arch/arm/boot/dts/rv1108.dtsi | 9 +++++++++
2 files changed, 13 insertions(+)
diff --git a/arch/arm/boot/dts/rv1108-evb.dts b/arch/arm/boot/dts/rv1108-evb.dts
index 32fb09a..e517aa3 100644
--- a/arch/arm/boot/dts/rv1108-evb.dts
+++ b/arch/arm/boot/dts/rv1108-evb.dts
@@ -104,6 +104,10 @@
};
};
+&cpu0 {
+ cpu-supply = <&vdd_core>;
+};
+
&i2c0 {
status = "okay";
i2c-scl-rising-time-ns = <275>;
diff --git a/arch/arm/boot/dts/rv1108.dtsi b/arch/arm/boot/dts/rv1108.dtsi
index 064cec3..6ebf07c 100644
--- a/arch/arm/boot/dts/rv1108.dtsi
+++ b/arch/arm/boot/dts/rv1108.dtsi
@@ -69,6 +69,15 @@
device_type = "cpu";
compatible = "arm,cortex-a7";
reg = <0xf00>;
+ operating-points = <
+ /* KHz uV */
+ 408000 975000
+ 600000 975000
+ 816000 1025000
+ 1008000 1150000
+ >;
+ clock-latency = <40000>;
+ clocks = <&cru ARMCLK>;
};
};
--
2.7.4
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| From | Andy Yan <andy.yan@rock-chips.com> |
|---|---|
| Date | 2017-08-21 11:20 +0200 |
| Subject | [PATCH 2/2] cpufreq: dt: add support for rockchip rv1108 |
| Message-ID | <ugR2i-2uy-1@gated-at.bofh.it> |
| In reply to | #1716217 |
Add the compatible string to support the generic device tree
cpufreq-dt driver on rockchip rv1108 soc.
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
---
drivers/cpufreq/cpufreq-dt-platdev.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c
index 1c26292..2d71c09 100644
--- a/drivers/cpufreq/cpufreq-dt-platdev.c
+++ b/drivers/cpufreq/cpufreq-dt-platdev.c
@@ -69,6 +69,7 @@ static const struct of_device_id machines[] __initconst = {
{ .compatible = "renesas,r8a7794", },
{ .compatible = "renesas,sh73a0", },
+ { .compatible = "rockchip,rv1108", },
{ .compatible = "rockchip,rk2928", },
{ .compatible = "rockchip,rk3036", },
{ .compatible = "rockchip,rk3066a", },
--
2.7.4
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| From | Heiko Stuebner <heiko@sntech.de> |
|---|---|
| Date | 2017-08-23 01:00 +0200 |
| Subject | Re: [PATCH 2/2] cpufreq: dt: add support for rockchip rv1108 |
| Message-ID | <uhqjo-pA-13@gated-at.bofh.it> |
| In reply to | #1716218 |
Am Montag, 21. August 2017, 17:10:24 CEST schrieb Andy Yan: > Add the compatible string to support the generic device tree > cpufreq-dt driver on rockchip rv1108 soc. > > Signed-off-by: Andy Yan <andy.yan@rock-chips.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de>
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| From | Heiko Stuebner <heiko@sntech.de> |
|---|---|
| Date | 2017-08-21 17:40 +0200 |
| Message-ID | <ugWY2-67r-3@gated-at.bofh.it> |
| In reply to | #1716217 |
Hi Andy,
Am Montag, 21. August 2017, 17:06:44 CEST schrieb Andy Yan:
> Add cpu opp table for rv1108 to support frequency
> from 408MHZ to 1008MHZ.
>
> Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
> ---
>
> arch/arm/boot/dts/rv1108-evb.dts | 4 ++++
> arch/arm/boot/dts/rv1108.dtsi | 9 +++++++++
> 2 files changed, 13 insertions(+)
>
> diff --git a/arch/arm/boot/dts/rv1108-evb.dts b/arch/arm/boot/dts/rv1108-evb.dts
> index 32fb09a..e517aa3 100644
> --- a/arch/arm/boot/dts/rv1108-evb.dts
> +++ b/arch/arm/boot/dts/rv1108-evb.dts
> @@ -104,6 +104,10 @@
> };
> };
>
> +&cpu0 {
> + cpu-supply = <&vdd_core>;
> +};
> +
please split into two patches (operating points + cpu-supply)
and use the operating-points-v2 binding.
Thanks
Heiko
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