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Groups > linux.kernel > #1534709

[PATCH 5/5] arm64: dts: exynos5433: Add support of bus frequency using VDD_INT on TM2

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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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[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

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