[PATCH v3 09/11] ARM: tegra: Add External Memory Controller node on Tegra114

Svyatoslav Ryhel
2025-09-15T08:02:36Z

Add External Memory Controller node to the device-tree.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
---
arch/arm/boot/dts/nvidia/tegra114.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/nvidia/tegra114.dtsi b/arch/arm/boot/dts/nvidia/tegra114.dtsi
index 08f81a3d11de..e386425c3fdf 100644
--- a/arch/arm/boot/dts/nvidia/tegra114.dtsi
+++ b/arch/arm/boot/dts/nvidia/tegra114.dtsi
@@ -195,6 +195,8 @@ tegra_car: clock@60006000 {
reg = <0x60006000 0x1000>;
#clock-cells = <1>;
#reset-cells = <1>;
+
+ nvidia,external-memory-controller = <&emc>;
};

flow-controller@60007000 {
@@ -591,6 +593,16 @@ mc: memory-controller@70019000 {
#iommu-cells = <1>;
};

+ emc: external-memory-controller@7001b000 {
+ compatible = "nvidia,tegra114-emc";
+ reg = <0x7001b000 0x1000>;
+ interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&tegra_car TEGRA114_CLK_EMC>;
+ clock-names = "emc";
+
+ nvidia,memory-controller = <&mc>;
+ };
+
hda@70030000 {
compatible = "nvidia,tegra114-hda", "nvidia,tegra30-hda";
reg = <0x70030000 0x10000>;
--
2.48.1