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authorGeert Uytterhoeven <geert+renesas@glider.be>2021-05-27 15:42:42 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-07-20 16:02:24 +0200
commit862e7992b3a662698a99f39497332a9aadbdf134 (patch)
tree46d63ab386f89a593236c15a4fe37fcd16e3358f
parent2b58c1f9d6fac476e704ef6cefc4523cc140c815 (diff)
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arm64: dts: renesas: Add missing opp-suspend properties
[ Upstream commit 44b615ac9fab16d1552cd8360454077d411e3c35 ] Tag the highest "Power Optimized" (1.5 GHz) Cortex-A57 operating point table entries for the RZ/G2M, R-Car M3-W and M3-W+ SoCs with the "opp-suspend" property. This makes sure the system will enter suspend in the same performance state as it will be resumed by the firmware later, avoiding state inconsistencies after resume. Based on a patch for R-Car M3-W in the BSP by Takeshi Kihara <takeshi.kihara.df@renesas.com>. Fixes: 800037e815b91d8c ("arm64: dts: renesas: r8a774a1: Add operating points") Fixes: da7e3113344fda50 ("arm64: dts: renesas: r8a7796: Add OPPs table for cpu devices") Fixes: f51746ad7d1ff6b4 ("arm64: dts: renesas: Add Renesas R8A77961 SoC support") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Link: https://lore.kernel.org/r/45a061c3b0463aac7d10664f47c4afdd999da50d.1619699721.git.geert+renesas@glider.be Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--arch/arm64/boot/dts/renesas/r8a774a1.dtsi1
-rw-r--r--arch/arm64/boot/dts/renesas/r8a77960.dtsi1
-rw-r--r--arch/arm64/boot/dts/renesas/r8a77961.dtsi1
3 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a774a1.dtsi b/arch/arm64/boot/dts/renesas/r8a774a1.dtsi
index d64fb8b1b86c..2e427f21130d 100644
--- a/arch/arm64/boot/dts/renesas/r8a774a1.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a774a1.dtsi
@@ -76,6 +76,7 @@
opp-hz = /bits/ 64 <1500000000>;
opp-microvolt = <820000>;
clock-latency-ns = <300000>;
+ opp-suspend;
};
};
diff --git a/arch/arm64/boot/dts/renesas/r8a77960.dtsi b/arch/arm64/boot/dts/renesas/r8a77960.dtsi
index 25d947a81b29..634fc8618bbb 100644
--- a/arch/arm64/boot/dts/renesas/r8a77960.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77960.dtsi
@@ -75,6 +75,7 @@
opp-hz = /bits/ 64 <1500000000>;
opp-microvolt = <820000>;
clock-latency-ns = <300000>;
+ opp-suspend;
};
opp-1600000000 {
opp-hz = /bits/ 64 <1600000000>;
diff --git a/arch/arm64/boot/dts/renesas/r8a77961.dtsi b/arch/arm64/boot/dts/renesas/r8a77961.dtsi
index e8c31ebec097..2234a8ee6ed0 100644
--- a/arch/arm64/boot/dts/renesas/r8a77961.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77961.dtsi
@@ -64,6 +64,7 @@
opp-hz = /bits/ 64 <1500000000>;
opp-microvolt = <820000>;
clock-latency-ns = <300000>;
+ opp-suspend;
};
opp-1600000000 {
opp-hz = /bits/ 64 <1600000000>;