forked from Openwrt/openwrt
8c405cdccc
The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
36 lines
1.1 KiB
Diff
36 lines
1.1 KiB
Diff
From b1ad4444ae92156e21972ce74eaafb82e0ac61d7 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Tue, 13 Feb 2024 15:33:37 +0000
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Subject: [PATCH 0894/1085] arm: dt: bcm2712: Reduce DDC frequency to 97.5kHz
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from 200kHz.
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The I2C spec says the DDC link should run at 100kHz or less, however
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Pi5/BCM2712 had been configured for 200kHz.
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Reduce it to comply with the spec, and match Pi4.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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arch/arm/boot/dts/broadcom/bcm2712.dtsi | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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--- a/arch/arm/boot/dts/broadcom/bcm2712.dtsi
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+++ b/arch/arm/boot/dts/broadcom/bcm2712.dtsi
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@@ -442,7 +442,7 @@
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reg = <0x7d508200 0x58>;
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interrupt-parent = <&bsc_irq>;
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interrupts = <1>;
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- clock-frequency = <200000>;
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+ clock-frequency = <97500>;
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#address-cells = <1>;
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#size-cells = <0>;
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status = "disabled";
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@@ -453,7 +453,7 @@
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reg = <0x7d508280 0x58>;
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interrupt-parent = <&bsc_irq>;
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interrupts = <2>;
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- clock-frequency = <200000>;
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+ clock-frequency = <97500>;
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#address-cells = <1>;
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#size-cells = <0>;
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status = "disabled";
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