ARM: dts: exynos: Add opp-suspend to DMC and leftbus devfreq OPPs on Exynos4

Mark as opp-suspend required devfreq Operating Performance Points to
fix resuming issues on Exynos 4 boards.

The patch is based on earlier work by Tobias Jakobi.

Suggested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Suggested-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi
index 32ccb5f..b491c34 100644 (file)
--- a/arch/arm/boot/dts/exynos4210.dtsi
+++ b/arch/arm/boot/dts/exynos4210.dtsi
@@ -298,6 +298,7 @@
                        opp-400000000 {
                                opp-hz = /bits/ 64 <400000000>;
                                opp-microvolt = <1150000>;
+                               opp-suspend;
                        };
                };
 
@@ -367,6 +368,7 @@
                        };
                        opp-200000000 {
                                opp-hz = /bits/ 64 <200000000>;
+                               opp-suspend;
                        };
                };
        };

diff --git a/arch/arm/boot/dts/exynos4412.dtsi b/arch/arm/boot/dts/exynos4412.dtsi
index cd04bb4..26ad6ab 100644 (file)
--- a/arch/arm/boot/dts/exynos4412.dtsi
+++ b/arch/arm/boot/dts/exynos4412.dtsi
@@ -432,6 +432,7 @@
                        opp-400000000 {
                                opp-hz = /bits/ 64 <400000000>;
                                opp-microvolt = <1050000>;
+                               opp-suspend;
                        };
                };
 
@@ -520,6 +521,7 @@
                        opp-200000000 {
                                opp-hz = /bits/ 64 <200000000>;
                                opp-microvolt = <1000000>;
+                               opp-suspend;
                        };
                };