From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM

---
 kernel/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/kernel/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt b/kernel/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt
index 7302e94..602169b 100644
--- a/kernel/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt
+++ b/kernel/Documentation/devicetree/bindings/media/nvidia,tegra-vde.txt
@@ -35,6 +35,7 @@
 - resets : Must contain an entry for each entry in reset-names.
 - reset-names : Must include the following entries:
   - mc
+- iommus: Must contain phandle to the IOMMU device node.
 
 Example:
 
@@ -59,4 +60,5 @@
 	clocks = <&tegra_car TEGRA20_CLK_VDE>;
 	reset-names = "vde", "mc";
 	resets = <&tegra_car 61>, <&mc TEGRA20_MC_RESET_VDE>;
+	iommus = <&mc TEGRA_SWGROUP_VDE>;
 };

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