arm64: dts: exynos: Add support of bus frequency using VDD_INT on Exynos5433 TM2

This patch adds the bus Device-tree nodes for INT (Internal) block
and enables the bus frequency scaling.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
index f21bdc2..4e6619c 100644 (file)
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
@@ -163,6 +163,58 @@
        };
 };
 
+&bus_g2d_400 {
+       devfreq-events = <&ppmu_event0_d0_general>, <&ppmu_event0_d1_general>;
+       vdd-supply = <&buck4_reg>;
+       exynos,saturation-ratio = <10>;
+       status = "okay";
+};
+
+&bus_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_jpeg {
+       devfreq = <&bus_g2d_400>;
+       status = "okay";
+};
+
+&bus_mfc {
+       devfreq = <&bus_g2d_400>;
+       status = "okay";
+};
+
+&bus_mscl {
+       devfreq = <&bus_g2d_400>;
+       status = "okay";
+};
+
+&bus_noc0 {
+       devfreq = <&bus_g2d_400>;
+       status = "okay";
+};
+
+&bus_noc1 {
+       devfreq = <&bus_g2d_400>;
+       status = "okay";
+};
+
+&bus_noc2 {
+       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>;
@@ -737,6 +789,24 @@
        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>;