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| Started by | Chanwoo Choi <cw00.choi@samsung.com> |
|---|---|
| First post | 2016-12-02 08:20 +0100 |
| Last post | 2016-12-06 20:30 +0100 |
| Articles | 2 — 2 participants |
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[PATCH 5/5] arm64: dts: exynos5433: Add support of bus frequency using VDD_INT on TM2 Chanwoo Choi <cw00.choi@samsung.com> - 2016-12-02 08:20 +0100
Re: [PATCH 5/5] arm64: dts: exynos5433: Add support of bus frequency using VDD_INT on TM2 Krzysztof Kozlowski <krzk@kernel.org> - 2016-12-06 20:30 +0100
| From | Chanwoo Choi <cw00.choi@samsung.com> |
|---|---|
| Date | 2016-12-02 08:20 +0100 |
| Subject | [PATCH 5/5] arm64: dts: exynos5433: Add support of bus frequency using VDD_INT on TM2 |
| Message-ID | <sJQit-uF-23@gated-at.bofh.it> |
This patch adds the bus Device-tree nodes for INT (Internal) block
to enable the bus frequency scaling.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
---
arch/arm64/boot/dts/exynos/exynos5433-tm2.dts | 72 +++++++++++++++++++++++++++
1 file changed, 72 insertions(+)
diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
index c08589970134..7b37aae336b1 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
@@ -170,6 +170,58 @@
};
};
+&bus_g2d_400 {
+ devfreq-events = <&ppmu_event0_d0_general>, <&ppmu_event0_d1_general>;
+ vdd-supply = <&buck4_reg>;
+ exynos,saturation-ratio = <10>;
+ status = "okay";
+};
+
+&bus_mscl {
+ devfreq = <&bus_g2d_400>;
+ status = "okay";
+};
+
+&bus_jpeg {
+ devfreq = <&bus_g2d_400>;
+ status = "okay";
+};
+
+&bus_mfc {
+ devfreq = <&bus_g2d_400>;
+ status = "okay";
+};
+
+&bus_g2d_266 {
+ devfreq = <&bus_g2d_400>;
+ status = "okay";
+};
+
+&bus_gscl {
+ devfreq = <&bus_g2d_400>;
+ status = "okay";
+};
+
+&bus_hevc {
+ devfreq = <&bus_g2d_400>;
+ status = "okay";
+};
+
+&bus_bus0 {
+ devfreq = <&bus_g2d_400>;
+ status = "okay";
+};
+
+&bus_bus1 {
+ devfreq = <&bus_g2d_400>;
+ status = "okay";
+};
+
+&bus_bus2 {
+ devfreq = <&bus_g2d_400>;
+ status = "okay";
+};
+
&cmu_aud {
assigned-clocks = <&cmu_aud CLK_MOUT_AUD_PLL_USER>;
assigned-clock-parents = <&cmu_top CLK_FOUT_AUD_PLL>;
@@ -794,6 +846,26 @@
bus-width = <4>;
};
+&ppmu_d0_general {
+ status = "okay";
+
+ events {
+ ppmu_event0_d0_general: ppmu-event0-d0-general {
+ event-name = "ppmu-event0-d0-general";
+ };
+ };
+};
+
+&ppmu_d1_general {
+ status = "okay";
+
+ events {
+ ppmu_event0_d1_general: ppmu-event0-d1-general {
+ event-name = "ppmu-event0-d1-general";
+ };
+ };
+};
+
&pinctrl_alive {
pinctrl-names = "default";
pinctrl-0 = <&initial_alive>;
--
1.9.1
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| From | Krzysztof Kozlowski <krzk@kernel.org> |
|---|---|
| Date | 2016-12-06 20:30 +0100 |
| Subject | Re: [PATCH 5/5] arm64: dts: exynos5433: Add support of bus frequency using VDD_INT on TM2 |
| Message-ID | <sLtB8-6bM-37@gated-at.bofh.it> |
| In reply to | #1534709 |
On Fri, Dec 02, 2016 at 04:18:07PM +0900, Chanwoo Choi wrote:
> This patch adds the bus Device-tree nodes for INT (Internal) block
> to enable the bus frequency scaling.
>
> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
> ---
> arch/arm64/boot/dts/exynos/exynos5433-tm2.dts | 72 +++++++++++++++++++++++++++
> 1 file changed, 72 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
> index c08589970134..7b37aae336b1 100644
> --- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
> +++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
> @@ -170,6 +170,58 @@
> };
> };
>
> +&bus_g2d_400 {
> + devfreq-events = <&ppmu_event0_d0_general>, <&ppmu_event0_d1_general>;
> + vdd-supply = <&buck4_reg>;
> + exynos,saturation-ratio = <10>;
> + status = "okay";
> +};
> +
> +&bus_mscl {
> + devfreq = <&bus_g2d_400>;
> + status = "okay";
> +};
> +
> +&bus_jpeg {
Except the first entry (which is a parent), are there any objections to
order these nodes alphabetically? This also applies to the previously
patch.
Beside that nit, looks good. I will have to wait anyway to next merge
window, so for the reference:
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Best regards,
Krzysztof
> + devfreq = <&bus_g2d_400>;
> + status = "okay";
> +};
> +
> +&bus_mfc {
> + devfreq = <&bus_g2d_400>;
> + status = "okay";
> +};
> +
> +&bus_g2d_266 {
> + devfreq = <&bus_g2d_400>;
> + status = "okay";
> +};
> +
> +&bus_gscl {
> + devfreq = <&bus_g2d_400>;
> + status = "okay";
> +};
> +
> +&bus_hevc {
> + devfreq = <&bus_g2d_400>;
> + status = "okay";
> +};
> +
> +&bus_bus0 {
> + devfreq = <&bus_g2d_400>;
> + status = "okay";
> +};
> +
> +&bus_bus1 {
> + devfreq = <&bus_g2d_400>;
> + status = "okay";
> +};
> +
> +&bus_bus2 {
> + devfreq = <&bus_g2d_400>;
> + status = "okay";
> +};
> +
> &cmu_aud {
> assigned-clocks = <&cmu_aud CLK_MOUT_AUD_PLL_USER>;
> assigned-clock-parents = <&cmu_top CLK_FOUT_AUD_PLL>;
> @@ -794,6 +846,26 @@
> bus-width = <4>;
> };
>
> +&ppmu_d0_general {
> + status = "okay";
> +
> + events {
> + ppmu_event0_d0_general: ppmu-event0-d0-general {
> + event-name = "ppmu-event0-d0-general";
> + };
> + };
> +};
> +
> +&ppmu_d1_general {
> + status = "okay";
> +
> + events {
> + ppmu_event0_d1_general: ppmu-event0-d1-general {
> + event-name = "ppmu-event0-d1-general";
> + };
> + };
> +};
> +
> &pinctrl_alive {
> pinctrl-names = "default";
> pinctrl-0 = <&initial_alive>;
> --
> 1.9.1
>
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