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