openwrt/target/linux/bcm4908/patches-5.4/301-arm64-dts-broadcom-bcm4908-add-TWD-block.patch
Rafał Miłecki 1da38bb4db bcm4908: backport upstream DT commits
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit d745835ae1)
2021-12-13 14:46:31 +01:00

51 lines
1.3 KiB
Diff

From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Tue, 9 Nov 2021 11:39:42 +0100
Subject: [PATCH] arm64: dts: broadcom: bcm4908: add TWD block
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
BCM4908 contains TWD block that provides few functions:
1. Timers
2. Wathchdog
3. Software reset
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
.../boot/dts/broadcom/bcm4908/bcm4908.dtsi | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
--- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
+++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
@@ -273,9 +273,18 @@
#size-cells = <1>;
ranges = <0x00 0x00 0xff800000 0x3000>;
- timer: timer@400 {
- compatible = "brcm,bcm6328-timer", "syscon";
- reg = <0x400 0x3c>;
+ twd: timer-mfd@400 {
+ compatible = "brcm,bcm4908-twd", "brcm,twd", "simple-mfd", "syscon";
+ reg = <0x400 0x4c>;
+ ranges = <0x0 0x400 0x4c>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ watchdog@28 {
+ compatible = "brcm,bcm7038-wdt";
+ reg = <0x28 0x8>;
+ };
};
gpio0: gpio-controller@500 {
@@ -330,7 +339,7 @@
reboot {
compatible = "syscon-reboot";
- regmap = <&timer>;
+ regmap = <&twd>;
offset = <0x34>;
mask = <1>;
};