On Tue, Oct 13, 2020 at 10:58:51AM +0100, Marc Zyngier wrote:
> Add the description of CPU PMUs for both the Denver and A57 clusters,
> which enables the perf subsystem.
>
> Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/nvidia/tegra186.dtsi | 28 +++++++++++++++++++-----
> 1 file changed, 22 insertions(+), 6 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
> index fd44545e124d..6bb03668a8d3 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
> @@ -1321,7 +1321,7 @@ cpus {
> #address-cells = <1>;
> #size-cells = <0>;
>
> - cpu@0 {
> + denver_0: cpu@0 {
> compatible = "nvidia,tegra186-denver";
> device_type = "cpu";
> i-cache-size = <0x20000>;
> @@ -1334,7 +1334,7 @@ cpu@0 {
> reg = <0x000>;
> };
>
> - cpu@1 {
> + denver_1: cpu@1 {
> compatible = "nvidia,tegra186-denver";
> device_type = "cpu";
> i-cache-size = <0x20000>;
> @@ -1347,7 +1347,7 @@ cpu@1 {
> reg = <0x001>;
> };
>
> - cpu@2 {
> + ca57_0: cpu@2 {
> compatible = "arm,cortex-a57";
> device_type = "cpu";
> i-cache-size = <0xC000>;
> @@ -1360,7 +1360,7 @@ cpu@2 {
> reg = <0x100>;
> };
>
> - cpu@3 {
> + ca57_1: cpu@3 {
> compatible = "arm,cortex-a57";
> device_type = "cpu";
> i-cache-size = <0xC000>;
> @@ -1373,7 +1373,7 @@ cpu@3 {
> reg = <0x101>;
> };
>
> - cpu@4 {
> + ca57_2: cpu@4 {
> compatible = "arm,cortex-a57";
> device_type = "cpu";
> i-cache-size = <0xC000>;
> @@ -1386,7 +1386,7 @@ cpu@4 {
> reg = <0x102>;
> };
>
> - cpu@5 {
> + ca57_3: cpu@5 {
> compatible = "arm,cortex-a57";
> device_type = "cpu";
> i-cache-size = <0xC000>;
> @@ -1418,6 +1418,22 @@ L2_A57: l2-cache1 {
> };
> };
>
> + pmu_denver {
> + compatible = "nvidia,denver-pmu", "arm,armv8-pmuv3";
checkpatch complains that this isn't documented. Did I miss the DT
bindings patch or do we not have one for this?
Thierry
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