Add L2 cache topology. Signed-off-by: Joseph Lo <josephl@xxxxxxxxxx> --- Notice that, This patch depends on the series of CPU idle support[1]. And that one depneds on [2]. [1]: http://patchwork.ozlabs.org/project/linux-tegra/list/?series=89446 [2]: http://patchwork.ozlabs.org/project/linux-tegra/list/?series=84380 --- arch/arm64/boot/dts/nvidia/tegra210.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi index 75534692604c..baf3d45c46e8 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -1319,6 +1319,7 @@ clock-names = "cpu_g", "pll_x", "pll_p", "dfll"; clock-latency = <300000>; cpu-idle-states = <&C7>; + next-level-cache = <&L2>; }; cpu@1 { @@ -1326,6 +1327,7 @@ compatible = "arm,cortex-a57"; reg = <1>; cpu-idle-states = <&C7>; + next-level-cache = <&L2>; }; cpu@2 { @@ -1333,6 +1335,7 @@ compatible = "arm,cortex-a57"; reg = <2>; cpu-idle-states = <&C7>; + next-level-cache = <&L2>; }; cpu@3 { @@ -1340,6 +1343,7 @@ compatible = "arm,cortex-a57"; reg = <3>; cpu-idle-states = <&C7>; + next-level-cache = <&L2>; }; idle-states { @@ -1356,6 +1360,10 @@ status = "disabled"; }; }; + + L2: l2-cache { + compatible = "cache"; + }; }; timer { -- 2.20.1
