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94c4c1331a
Update default kernel version to 6.6 for the Raspberry Pi devices. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
30 lines
983 B
Diff
30 lines
983 B
Diff
From 6ca216518eb29d60574d4da4b976f4d5dd93e5a0 Mon Sep 17 00:00:00 2001
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From: Jonathan Bell <jonathan@raspberrypi.com>
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Date: Mon, 18 Sep 2023 16:33:06 +0100
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Subject: [PATCH 0573/1085] dt: bindings: update rpi-rtc binding
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Add property for bcm2712 firmware RTC driver charger control
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Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
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---
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Documentation/devicetree/bindings/rtc/rtc-rpi.txt | 5 +++++
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1 file changed, 5 insertions(+)
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--- a/Documentation/devicetree/bindings/rtc/rtc-rpi.txt
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+++ b/Documentation/devicetree/bindings/rtc/rtc-rpi.txt
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@@ -9,9 +9,14 @@ Required properties:
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compatible: should be "raspberrypi,rpi-rtc"
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firmware: Reference to the RPi firmware device node.
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+Optional property:
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+trickle-charge-microvolt: specify a trickle charge voltage for the backup
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+ battery in microvolts.
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+
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Example:
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rpi_rtc: rpi_rtc {
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compatible = "raspberrypi,rpi-rtc";
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firmware = <&firmware>;
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+ trickle-charge-microvolt = <3000000>;
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};
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