openwrt/target/linux/bcm27xx/patches-6.1/950-0926-dt-bindings-update-rpi-rtc-binding.patch
Marty Jones 2e715fb4fc bcm27xx: update 6.1 patches to latest version
Add support for BCM2712 (Raspberry Pi 5).
3bb5880ab3
Patches were generated from the diff between linux kernel branch linux-6.1.y
and rpi-6.1.y from raspberry pi kernel source:
- git format-patch linux-6.1.y...rpi-6.1.y

Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
[Remove applied and reverted patches, squash patches and config commits]
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2024-01-25 17:46:45 +01:00

30 lines
973 B
Diff

From a7a3679a148e40879f1ce77580d9edf64cb5b51c Mon Sep 17 00:00:00 2001
From: Jonathan Bell <jonathan@raspberrypi.com>
Date: Mon, 18 Sep 2023 16:33:06 +0100
Subject: [PATCH] dt: bindings: update rpi-rtc binding
Add property for bcm2712 firmware RTC driver charger control
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
---
Documentation/devicetree/bindings/rtc/rtc-rpi.txt | 5 +++++
1 file changed, 5 insertions(+)
--- a/Documentation/devicetree/bindings/rtc/rtc-rpi.txt
+++ b/Documentation/devicetree/bindings/rtc/rtc-rpi.txt
@@ -9,9 +9,14 @@ Required properties:
compatible: should be "raspberrypi,rpi-rtc"
firmware: Reference to the RPi firmware device node.
+Optional property:
+trickle-charge-microvolt: specify a trickle charge voltage for the backup
+ battery in microvolts.
+
Example:
rpi_rtc: rpi_rtc {
compatible = "raspberrypi,rpi-rtc";
firmware = <&firmware>;
+ trickle-charge-microvolt = <3000000>;
};