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/net/can/microchip,mcp251x.txt |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/kernel/Documentation/devicetree/bindings/net/can/microchip,mcp251x.txt b/kernel/Documentation/devicetree/bindings/net/can/microchip,mcp251x.txt
index 5a0111d..381f8fb 100644
--- a/kernel/Documentation/devicetree/bindings/net/can/microchip,mcp251x.txt
+++ b/kernel/Documentation/devicetree/bindings/net/can/microchip,mcp251x.txt
@@ -12,6 +12,9 @@
 Optional properties:
  - vdd-supply: Regulator that powers the CAN controller.
  - xceiver-supply: Regulator that powers the CAN transceiver.
+ - gpio-controller: Indicates this device is a GPIO controller.
+ - #gpio-cells: Should be two. The first cell is the pin number and
+                the second cell is used to specify the gpio polarity.
 
 Example:
 	can0: can@1 {
@@ -19,7 +22,9 @@
 		reg = <1>;
 		clocks = <&clk24m>;
 		interrupt-parent = <&gpio4>;
-		interrupts = <13 0x2>;
+		interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
 		vdd-supply = <&reg5v0>;
 		xceiver-supply = <&reg5v0>;
+		gpio-controller;
+		#gpio-cells = <2>;
 	};

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