From: Leo Yan <leo.yan@xxxxxxxxxx> Enable SRAM node and stub clock node for Hi6220, which uses mailbox channel 1 for CPU's frequency change. Furthermore, add the CPU clock phandle in CPU's node and using operating-points-v2 to register operating points. So can be used by cpufreq-dt driver. Signed-off-by: Leo Yan <leo.yan@xxxxxxxxxx> Acked-by: Jassi Brar <jassisinghbrar@xxxxxxxxx> Acked-by: Wei Xu <xuwei5@xxxxxxxxxxxxx> --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 56 +++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index d71c51f..3a665ef 100644 --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi @@ -82,6 +82,11 @@ device_type = "cpu"; reg = <0x0 0x0>; enable-method = "psci"; + clocks = <&stub_clock 0>; + operating-points-v2 = <&cpu_opp_table>; + cooling-min-level = <4>; + cooling-max-level = <0>; + #cooling-cells = <2>; /* min followed by max */ cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; @@ -90,6 +95,7 @@ device_type = "cpu"; reg = <0x0 0x1>; enable-method = "psci"; + operating-points-v2 = <&cpu_opp_table>; cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; @@ -98,6 +104,7 @@ device_type = "cpu"; reg = <0x0 0x2>; enable-method = "psci"; + operating-points-v2 = <&cpu_opp_table>; cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; @@ -106,6 +113,7 @@ device_type = "cpu"; reg = <0x0 0x3>; enable-method = "psci"; + operating-points-v2 = <&cpu_opp_table>; cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; @@ -114,6 +122,7 @@ device_type = "cpu"; reg = <0x0 0x100>; enable-method = "psci"; + operating-points-v2 = <&cpu_opp_table>; cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; @@ -122,6 +131,7 @@ device_type = "cpu"; reg = <0x0 0x101>; enable-method = "psci"; + operating-points-v2 = <&cpu_opp_table>; cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; @@ -130,6 +140,7 @@ device_type = "cpu"; reg = <0x0 0x102>; enable-method = "psci"; + operating-points-v2 = <&cpu_opp_table>; cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; @@ -138,10 +149,42 @@ device_type = "cpu"; reg = <0x0 0x103>; enable-method = "psci"; + operating-points-v2 = <&cpu_opp_table>; cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; }; }; + cpu_opp_table: cpu_opp_table { + compatible = "operating-points-v2"; + opp-shared; + + opp00 { + opp-hz = /bits/ 64 <208000000>; + opp-microvolt = <1040000>; + clock-latency-ns = <500000>; + }; + opp01 { + opp-hz = /bits/ 64 <432000000>; + opp-microvolt = <1040000>; + clock-latency-ns = <500000>; + }; + opp02 { + opp-hz = /bits/ 64 <729000000>; + opp-microvolt = <1090000>; + clock-latency-ns = <500000>; + }; + opp03 { + opp-hz = /bits/ 64 <960000000>; + opp-microvolt = <1180000>; + clock-latency-ns = <500000>; + }; + opp04 { + opp-hz = /bits/ 64 <1200000000>; + opp-microvolt = <1330000>; + clock-latency-ns = <500000>; + }; + }; + gic: interrupt-controller@f6801000 { compatible = "arm,gic-400"; reg = <0x0 0xf6801000 0 0x1000>, /* GICD */ @@ -169,6 +212,11 @@ #size-cells = <2>; ranges; + sram: sram@fff80000 { + compatible = "hisilicon,hi6220-sramctrl", "syscon"; + reg = <0x0 0xfff80000 0x0 0x12000>; + }; + ao_ctrl: ao_ctrl@f7800000 { compatible = "hisilicon,hi6220-aoctrl", "syscon"; reg = <0x0 0xf7800000 0x0 0x2000>; @@ -194,6 +242,14 @@ #clock-cells = <1>; }; + stub_clock: stub_clock { + compatible = "hisilicon,hi6220-stub-clk"; + hisilicon,hi6220-clk-sram = <&sram>; + #clock-cells = <1>; + mbox-names = "mbox-tx"; + mboxes = <&mailbox 1 0 11>; + }; + uart0: uart@f8015000 { /* console */ compatible = "arm,pl011", "arm,primecell"; reg = <0x0 0xf8015000 0x0 0x1000>; -- 1.9.1 -- 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