arm64: tegra: Let the EMC hardware use the EMC clock

The EMC hardware block needs access to the EMC clock in order to scale
the external memory frequency. Add the clocks property so that drivers
for the EMC can acquire a reference to the EMC clock.

Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm64/boot/dts/nvidia/tegra132.dtsi b/arch/arm64/boot/dts/nvidia/tegra132.dtsi
index 631a7f77c38696f9d4e29e99a22c3ffeac7445fc..a2c25176710ac671764362322a2dc71402d37661 100644 (file)
--- a/arch/arm64/boot/dts/nvidia/tegra132.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra132.dtsi
@@ -607,6 +607,8 @@
        emc: emc@7001b000 {
                compatible = "nvidia,tegra132-emc", "nvidia,tegra124-emc";
                reg = <0x0 0x7001b000 0x0 0x1000>;
+               clocks = <&tegra_car TEGRA124_CLK_EMC>;
+               clock-names = "emc";
 
                nvidia,memory-controller = <&mc>;
        };