[PATCH] arm64: tegra: Add missing interconnects property for USB on Tegra186

Thierry Reding thierry.reding at gmail.com
Thu Aug 12 07:17:12 PDT 2021


From: Thierry Reding <treding at nvidia.com>

The device tree node for the XUDC (USB device mode controller) is
missing the interconnects property that describes the path to memory for
the controller. Add the property so that the things like the DMA mask
can be set by the operating system.

Signed-off-by: Thierry Reding <treding at nvidia.com>
---
 arch/arm64/boot/dts/nvidia/tegra186.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index d1e20dbc5f4b..5c45fab0c9ab 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -826,6 +826,9 @@ usb at 3550000 {
 			 <&bpmp TEGRA186_CLK_XUSB_CORE_SS>,
 			 <&bpmp TEGRA186_CLK_XUSB_FS>;
 		clock-names = "dev", "ss", "ss_src", "fs_src";
+		interconnects = <&mc TEGRA186_MEMORY_CLIENT_XUSB_DEVR &emc>,
+				<&mc TEGRA186_MEMORY_CLIENT_XUSB_DEVW &emc>;
+		interconnect-names = "dma-mem", "write";
 		iommus = <&smmu TEGRA186_SID_XUSB_DEV>;
 		power-domains = <&bpmp TEGRA186_POWER_DOMAIN_XUSBB>,
 				<&bpmp TEGRA186_POWER_DOMAIN_XUSBA>;
-- 
2.32.0




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