8f9e91ad03
These patches were generated from: https://github.com/raspberrypi/linux/commits/rpi-6.12.y With the following command: git format-patch -N v6.12.27..HEAD (HEAD -> 8d3206ee456a5ecdf9ddbfd8e5e231e4f0cd716e) Exceptions: - (def)configs patches - github workflows patches - applied & reverted patches - readme patches - wireless patches Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
60 lines
1.9 KiB
Diff
60 lines
1.9 KiB
Diff
From b7211dbb4da677436979e70c65bfecd81030c5e7 Mon Sep 17 00:00:00 2001
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From: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>
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Date: Tue, 11 Feb 2025 13:11:07 +0000
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Subject: [PATCH] arm64: dts: Add the Audio Out block to rp1.dtsi
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Change the standard rate of PLL_AUDIO_SEC from 192MHz to
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153.6MHz to suit audio out.
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Declare audio out hardware and give it a named pin control.
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Signed-off-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>
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---
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arch/arm64/boot/dts/broadcom/rp1.dtsi | 22 +++++++++++++++++++++-
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1 file changed, 21 insertions(+), 1 deletion(-)
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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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@@ -49,7 +49,7 @@
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<125000000>, // RP1_PLL_SYS_SEC
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<125000000>, // RP1_CLK_ETH
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<61440000>, // RP1_PLL_AUDIO
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- <192000000>, // RP1_PLL_AUDIO_SEC
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+ <153600000>, // RP1_PLL_AUDIO_SEC
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<200000000>, // RP1_CLK_SYS
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<100000000>, // RP1_PLL_SYS_PRI_PH
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// Must match the XOSC frequency
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@@ -380,6 +380,20 @@
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status = "disabled";
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};
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+ rp1_audio_out: audio_out@94000 {
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+ compatible = "raspberrypi,rp1-audio-out";
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+ reg = <0xc0 0x40094000 0x0 0x4000>;
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+ clocks = <&rp1_clocks RP1_CLK_AUDIO_OUT>;
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+ assigned-clocks = <&rp1_clocks RP1_CLK_AUDIO_OUT>;
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+ assigned-clock-rates = <153600000>;
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+ assigned-clock-parents = <&rp1_clocks RP1_PLL_AUDIO_SEC>;
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+ dmas = <&rp1_dma RP1_DMA_AUDIO_OUT>;
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+ dma-maxburst = <4>;
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+ dma-names = "tx";
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+ #sound-dai-cells = <0>;
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+ status = "disabled";
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+ };
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+
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rp1_pwm0: pwm@98000 {
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compatible = "raspberrypi,rp1-pwm";
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reg = <0xc0 0x40098000 0x0 0x100>;
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@@ -974,6 +988,12 @@
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pins = "gpio52", "gpio53";
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bias-pull-up;
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};
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+
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+ rp1_audio_out_12_13: rp1_audio_out_12_13 {
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+ function = "aaud";
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+ pins = "gpio12", "gpio13";
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+ bias-disable;
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+ };
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};
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rp1_eth: ethernet@100000 {
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