openwrt/target/linux/bcm27xx/patches-6.6/950-1198-dts-rp1-restrict-i2s-burst-lengths-to-4.patch
Álvaro Fernández Rojas 0171157d45 bcm27xx: update to latest RPi patches
The patches were generated from the RPi repo with the following command:
git format-patch v6.6.44..rpi-6.6.y

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2024-08-06 18:38:00 +02:00

31 lines
921 B
Diff

From 062434ab3be76d4fa5973bb199ccfd5b68c11720 Mon Sep 17 00:00:00 2001
From: Jonathan Bell <jonathan@raspberrypi.com>
Date: Tue, 23 Jul 2024 11:21:47 +0100
Subject: [PATCH 1198/1215] dts: rp1: restrict i2s burst lengths to 4
The associated DMAC has channels that do not support longer bursts.
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
---
arch/arm64/boot/dts/broadcom/rp1.dtsi | 2 ++
1 file changed, 2 insertions(+)
--- a/arch/arm64/boot/dts/broadcom/rp1.dtsi
+++ b/arch/arm64/boot/dts/broadcom/rp1.dtsi
@@ -400,6 +400,7 @@
#sound-dai-cells = <0>;
dmas = <&rp1_dma RP1_DMA_I2S0_TX>,<&rp1_dma RP1_DMA_I2S0_RX>;
dma-names = "tx", "rx";
+ dma-maxburst = <4>;
status = "disabled";
};
@@ -413,6 +414,7 @@
#sound-dai-cells = <0>;
dmas = <&rp1_dma RP1_DMA_I2S1_TX>,<&rp1_dma RP1_DMA_I2S1_RX>;
dma-names = "tx", "rx";
+ dma-maxburst = <4>;
status = "disabled";
};