Enable topcrm clock node for zx296718, which is used for CPU's frequency change. Furthermore, 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@xxxxxxxxxx> --- arch/arm64/boot/dts/zte/zx296718.dtsi | 43 +++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/arch/arm64/boot/dts/zte/zx296718.dtsi b/arch/arm64/boot/dts/zte/zx296718.dtsi index 6b239a3..992158a 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 +91,7 @@ compatible = "arm,cortex-a53","arm,armv8"; reg = <0x0 0x1>; enable-method = "psci"; + operating-points-v2 = <&cluster0_opp>; }; cpu2: cpu@2 { @@ -95,6 +99,7 @@ compatible = "arm,cortex-a53","arm,armv8"; reg = <0x0 0x2>; enable-method = "psci"; + operating-points-v2 = <&cluster0_opp>; }; cpu3: cpu@3 { @@ -102,6 +107,38 @@ compatible = "arm,cortex-a53","arm,armv8"; reg = <0x0 0x3>; enable-method = "psci"; + operating-points-v2 = <&cluster0_opp>; + }; + }; + + cluster0_opp: opp_table0 { + compatible = "operating-points-v2"; + opp-shared; + + opp@500000000 { + opp-hz = /bits/ 64 <500000000>; + opp-microvolt = <857000>; + clock-latency-ns = <500000>; + }; + opp@648000000 { + opp-hz = /bits/ 64 <648000000>; + opp-microvolt = <857000>; + clock-latency-ns = <500000>; + }; + opp@800000000 { + opp-hz = /bits/ 64 <800000000>; + opp-microvolt = <882000>; + clock-latency-ns = <500000>; + }; + opp@1000000000 { + opp-hz = /bits/ 64 <1000000000>; + opp-microvolt = <892000>; + clock-latency-ns = <500000>; + }; + opp@1188000000 { + opp-hz = /bits/ 64 <1188000000>; + opp-microvolt = <1009000>; + clock-latency-ns = <500000>; }; }; @@ -279,6 +316,12 @@ dma-requests = <32>; }; + topcrm: clock-controller@1461000 { + compatible = "zte,zx296718-topcrm"; + reg = <0x01461000 0x1000>; + #clock-cells = <1>; + }; + sysctrl: sysctrl@1463000 { compatible = "zte,zx296718-sysctrl", "syscon"; reg = <0x1463000 0x1000>; -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html