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/interrupt-controller/snps,dw-apb-ictl.txt | 14 +++++++++++++-
1 files changed, 13 insertions(+), 1 deletions(-)
diff --git a/kernel/Documentation/devicetree/bindings/interrupt-controller/snps,dw-apb-ictl.txt b/kernel/Documentation/devicetree/bindings/interrupt-controller/snps,dw-apb-ictl.txt
index 086ff08..2db59df 100644
--- a/kernel/Documentation/devicetree/bindings/interrupt-controller/snps,dw-apb-ictl.txt
+++ b/kernel/Documentation/devicetree/bindings/interrupt-controller/snps,dw-apb-ictl.txt
@@ -2,7 +2,8 @@
Synopsys DesignWare provides interrupt controller IP for APB known as
dw_apb_ictl. The IP is used as secondary interrupt controller in some SoCs with
-APB bus, e.g. Marvell Armada 1500.
+APB bus, e.g. Marvell Armada 1500. It can also be used as primary interrupt
+controller in some SoCs, e.g. Hisilicon SD5203.
Required properties:
- compatible: shall be "snps,dw-apb-ictl"
@@ -10,6 +11,8 @@
region starting with ENABLE_LOW register
- interrupt-controller: identifies the node as an interrupt controller
- #interrupt-cells: number of cells to encode an interrupt-specifier, shall be 1
+
+Additional required property when it's used as secondary interrupt controller:
- interrupts: interrupt reference to primary interrupt controller
The interrupt sources map to the corresponding bits in the interrupt
@@ -21,6 +24,7 @@
- (optional) fast interrupts start at 64.
Example:
+ /* dw_apb_ictl is used as secondary interrupt controller */
aic: interrupt-controller@3000 {
compatible = "snps,dw-apb-ictl";
reg = <0x3000 0xc00>;
@@ -29,3 +33,11 @@
interrupt-parent = <&gic>;
interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
};
+
+ /* dw_apb_ictl is used as primary interrupt controller */
+ vic: interrupt-controller@10130000 {
+ compatible = "snps,dw-apb-ictl";
+ reg = <0x10130000 0x1000>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
--
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