linux-kernel - [PATCH 5/7] arm64: dts: ti: k3-am62-verdin: Drop McASP AFIFOs

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Message-ID: <20240604-mcasp_fifo_drop-v1-5-03ebe25f47db@ti.com>
Date: Tue, 4 Jun 2024 15:11:06 +0530
From: Jai Luthra <j-luthra@...com>
To: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Tero
 Kristo <kristo@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof
 Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Jayesh
 Choudhary <j-choudhary@...com>,
        Devarsh Thakkar <devarsht@...com>, Bryan
 Brattlof <bb@...com>,
        Aradhya Bhatia <a-bhatia1@...com>,
        Francesco Dolcini
	<francesco.dolcini@...adex.com>
CC: <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Devarsh Thakkar <devarsht@...com>,
        Jai Luthra
	<j-luthra@...com>
Subject: [PATCH 5/7] arm64: dts: ti: k3-am62-verdin: Drop McASP AFIFOs

McASP AFIFOs are not necessary with UDMA-P/BCDMA as there is buffering
on the DMA IP. Drop these for better audio latency.

Fixes: 316b80246b16 ("arm64: dts: ti: add verdin am62")
Signed-off-by: Jai Luthra <j-luthra@...com>
---
 arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
index 2038c5e04639..27e5220e1dc7 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
@@ -1364,8 +1364,8 @@ &mcasp0 {
 	       0 0 0 0
 	>;
 	tdm-slots = <2>;
-	rx-num-evt = <32>;
-	tx-num-evt = <32>;
+	rx-num-evt = <0>;
+	tx-num-evt = <0>;
 	#sound-dai-cells = <0>;
 	status = "disabled";
 };
@@ -1382,8 +1382,8 @@ &mcasp1 {
 	       0 0 0 0
 	>;
 	tdm-slots = <2>;
-	rx-num-evt = <32>;
-	tx-num-evt = <32>;
+	rx-num-evt = <0>;
+	tx-num-evt = <0>;
 	#sound-dai-cells = <0>;
 	status = "disabled";
 };

-- 
2.43.0