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authorDmitry Osipenko <digetx@gmail.com>2020-11-23 03:27:22 +0300
committerThierry Reding <treding@nvidia.com>2020-11-26 21:08:29 +0300
commit881741fa447d56751fe6f5af66a5c3cae4140903 (patch)
tree6cea42b227b0991cb7382d79ccdd3b60be462ce7 /arch/arm/boot/dts/tegra30.dtsi
parentf5204ac47b298a94eadf8b6c61b534bd9abe2e41 (diff)
downloadlinux-881741fa447d56751fe6f5af66a5c3cae4140903.tar.xz
ARM: tegra: Add EMC OPP and ICC properties to Tegra30 EMC and ACTMON device-tree nodes
Add EMC OPP tables and interconnect paths that will be used for dynamic memory bandwidth scaling based on memory utilization statistics. Update board device-trees by removing unsupported EMC OPPs. Note that ACTMON watches all memory interconnect paths, but we use a single CPU-READ interconnect path for driving memory bandwidth, for simplicity. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'arch/arm/boot/dts/tegra30.dtsi')
-rw-r--r--arch/arm/boot/dts/tegra30.dtsi6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index 2caf6cc6f4b1..44a6dbba7081 100644
--- a/arch/arm/boot/dts/tegra30.dtsi
+++ b/arch/arm/boot/dts/tegra30.dtsi
@@ -6,6 +6,8 @@
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/soc/tegra-pmc.h>
+#include "tegra30-peripherals-opp.dtsi"
+
/ {
compatible = "nvidia,tegra30";
interrupt-parent = <&lic>;
@@ -417,6 +419,9 @@
clock-names = "actmon", "emc";
resets = <&tegra_car TEGRA30_CLK_ACTMON>;
reset-names = "actmon";
+ operating-points-v2 = <&emc_bw_dfs_opp_table>;
+ interconnects = <&mc TEGRA30_MC_MPCORER &emc>;
+ interconnect-names = "cpu-read";
};
gpio: gpio@6000d000 {
@@ -780,6 +785,7 @@
clocks = <&tegra_car TEGRA30_CLK_EMC>;
nvidia,memory-controller = <&mc>;
+ operating-points-v2 = <&emc_icc_dvfs_opp_table>;
#interconnect-cells = <0>;
};