From dfeae9e5e54a88ad1bf3a1e30faf2640688886ad Mon Sep 17 00:00:00 2001 From: Leo Yan Date: Tue, 15 May 2018 10:53:13 +0800 Subject: [PATCH] arm64: dts: hi3660: Add CPU frequency scaling support Add two CPU OPP tables, one table is corresponding to one cluster, which allow CPU frequency scaling on hi3660 platforms. Signed-off-by: Leo Yan Signed-off-by: Wei Xu --- arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 86 +++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi index 3a3bcff..a39da09 100644 --- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi @@ -62,6 +62,8 @@ next-level-cache = <&A53_L2>; cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP_0>; capacity-dmips-mhz = <592>; + clocks = <&stub_clock HI3660_CLK_STUB_CLUSTER0>; + operating-points-v2 = <&cluster0_opp>; }; cpu1: cpu@1 { @@ -72,6 +74,8 @@ next-level-cache = <&A53_L2>; cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP_0>; capacity-dmips-mhz = <592>; + clocks = <&stub_clock HI3660_CLK_STUB_CLUSTER0>; + operating-points-v2 = <&cluster0_opp>; }; cpu2: cpu@2 { @@ -82,6 +86,8 @@ next-level-cache = <&A53_L2>; cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP_0>; capacity-dmips-mhz = <592>; + clocks = <&stub_clock HI3660_CLK_STUB_CLUSTER0>; + operating-points-v2 = <&cluster0_opp>; }; cpu3: cpu@3 { @@ -92,6 +98,8 @@ next-level-cache = <&A53_L2>; cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP_0>; capacity-dmips-mhz = <592>; + clocks = <&stub_clock HI3660_CLK_STUB_CLUSTER0>; + operating-points-v2 = <&cluster0_opp>; }; cpu4: cpu@100 { @@ -102,6 +110,8 @@ next-level-cache = <&A73_L2>; cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP_1>; capacity-dmips-mhz = <1024>; + clocks = <&stub_clock HI3660_CLK_STUB_CLUSTER1>; + operating-points-v2 = <&cluster1_opp>; }; cpu5: cpu@101 { @@ -112,6 +122,8 @@ next-level-cache = <&A73_L2>; cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP_1>; capacity-dmips-mhz = <1024>; + clocks = <&stub_clock HI3660_CLK_STUB_CLUSTER1>; + operating-points-v2 = <&cluster1_opp>; }; cpu6: cpu@102 { @@ -122,6 +134,8 @@ next-level-cache = <&A73_L2>; cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP_1>; capacity-dmips-mhz = <1024>; + clocks = <&stub_clock HI3660_CLK_STUB_CLUSTER1>; + operating-points-v2 = <&cluster1_opp>; }; cpu7: cpu@103 { @@ -132,6 +146,8 @@ next-level-cache = <&A73_L2>; cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP_1>; capacity-dmips-mhz = <1024>; + clocks = <&stub_clock HI3660_CLK_STUB_CLUSTER1>; + operating-points-v2 = <&cluster1_opp>; }; idle-states { @@ -174,6 +190,76 @@ }; }; + cluster0_opp: opp_table0 { + compatible = "operating-points-v2"; + opp-shared; + + opp00 { + opp-hz = /bits/ 64 <533000000>; + opp-microvolt = <700000>; + clock-latency-ns = <300000>; + }; + + opp01 { + opp-hz = /bits/ 64 <999000000>; + opp-microvolt = <800000>; + clock-latency-ns = <300000>; + }; + + opp02 { + opp-hz = /bits/ 64 <1402000000>; + opp-microvolt = <900000>; + clock-latency-ns = <300000>; + }; + + opp03 { + opp-hz = /bits/ 64 <1709000000>; + opp-microvolt = <1000000>; + clock-latency-ns = <300000>; + }; + + opp04 { + opp-hz = /bits/ 64 <1844000000>; + opp-microvolt = <1100000>; + clock-latency-ns = <300000>; + }; + }; + + cluster1_opp: opp_table1 { + compatible = "operating-points-v2"; + opp-shared; + + opp10 { + opp-hz = /bits/ 64 <903000000>; + opp-microvolt = <700000>; + clock-latency-ns = <300000>; + }; + + opp11 { + opp-hz = /bits/ 64 <1421000000>; + opp-microvolt = <800000>; + clock-latency-ns = <300000>; + }; + + opp12 { + opp-hz = /bits/ 64 <1805000000>; + opp-microvolt = <900000>; + clock-latency-ns = <300000>; + }; + + opp13 { + opp-hz = /bits/ 64 <2112000000>; + opp-microvolt = <1000000>; + clock-latency-ns = <300000>; + }; + + opp14 { + opp-hz = /bits/ 64 <2362000000>; + opp-microvolt = <1100000>; + clock-latency-ns = <300000>; + }; + }; + gic: interrupt-controller@e82b0000 { compatible = "arm,gic-400"; reg = <0x0 0xe82b1000 0 0x1000>, /* GICD */ -- 2.7.4