From: Joseph Lo <josephl@xxxxxxxxxx>
Add external memory controller (EMC) node for Tegra210
Signed-off-by: Joseph Lo <josephl@xxxxxxxxxx>
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
Changes in v5:
- drop list of clocks because we need very strict ordering that DT can't
guarantee
- drop hard-coded EMC table, bootloaders should add it dynamically
arch/arm64/boot/dts/nvidia/tegra210.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
index 64c46ce3849d..3fa92dd8350b 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
@@ -895,6 +895,17 @@ mc: memory-controller@70019000 {
#iommu-cells = <1>;
};
+ external-memory-controller@7001b000 {
+ compatible = "nvidia,tegra210-emc";
+ reg = <0x0 0x7001b000 0x0 0x1000>,
+ <0x0 0x7001e000 0x0 0x1000>,
+ <0x0 0x7001f000 0x0 0x1000>;
+ clocks = <&tegra_car TEGRA210_CLK_EMC>;
+ clock-names = "emc";
+ interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
+ nvidia,memory-controller = <&mc>;
+ };
+
sata@70020000 {
compatible = "nvidia,tegra210-ahci";
reg = <0x0 0x70027000 0x0 0x2000>, /* AHCI */
--
2.24.1
