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| author | Baoyou Xie <baoyou.xie@linaro.org> | 2016-12-02 13:52:36 +0800 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2017-01-03 15:33:15 +0800 |
| commit | eb2e2a816834cab13311d627844d77bb22bb5787 (patch) | |
| tree | d3bbe4f307d5e9891775b70e143068c6e37cfc19 /arch/arm64 | |
| parent | 0c744ea4f77d72b3dcebb7a8f2684633ec79be88 (diff) | |
| download | linux-eb2e2a816834cab13311d627844d77bb22bb5787.tar.gz linux-eb2e2a816834cab13311d627844d77bb22bb5787.tar.xz | |
arm64: dts: zx: support cpu-freq for zx296718
This patch adds the CPU clock phandle in CPU's node
and uses operating-points-v2 to register operating points.
So it can be used by cpufreq-dt driver.
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/boot/dts/zte/zx296718.dtsi | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/zte/zx296718.dtsi b/arch/arm64/boot/dts/zte/zx296718.dtsi index 88ff70a06086..b850b2cd0adc 100644 --- a/arch/arm64/boot/dts/zte/zx296718.dtsi +++ b/arch/arm64/boot/dts/zte/zx296718.dtsi @@ -44,6 +44,7 @@ #include <dt-bindings/input/input.h> #include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/clock/zx296718-clock.h> / { compatible = "zte,zx296718"; @@ -81,6 +82,8 @@ compatible = "arm,cortex-a53","arm,armv8"; reg = <0x0 0x0>; enable-method = "psci"; + clocks = <&topcrm A53_GATE>; + operating-points-v2 = <&cluster0_opp>; }; cpu1: cpu@1 { @@ -88,6 +91,8 @@ compatible = "arm,cortex-a53","arm,armv8"; reg = <0x0 0x1>; enable-method = "psci"; + clocks = <&topcrm A53_GATE>; + operating-points-v2 = <&cluster0_opp>; }; cpu2: cpu@2 { @@ -95,6 +100,8 @@ compatible = "arm,cortex-a53","arm,armv8"; reg = <0x0 0x2>; enable-method = "psci"; + clocks = <&topcrm A53_GATE>; + operating-points-v2 = <&cluster0_opp>; }; cpu3: cpu@3 { @@ -102,6 +109,38 @@ compatible = "arm,cortex-a53","arm,armv8"; reg = <0x0 0x3>; enable-method = "psci"; + clocks = <&topcrm A53_GATE>; + operating-points-v2 = <&cluster0_opp>; + }; + }; + + cluster0_opp: opp-table0 { + compatible = "operating-points-v2"; + opp-shared; + + opp@500000000 { + opp-hz = /bits/ 64 <500000000>; + clock-latency-ns = <500000>; + }; + + opp@648000000 { + opp-hz = /bits/ 64 <648000000>; + clock-latency-ns = <500000>; + }; + + opp@800000000 { + opp-hz = /bits/ 64 <800000000>; + clock-latency-ns = <500000>; + }; + + opp@1000000000 { + opp-hz = /bits/ 64 <1000000000>; + clock-latency-ns = <500000>; + }; + + opp@1188000000 { + opp-hz = /bits/ 64 <1188000000>; + clock-latency-ns = <500000>; }; }; |