linux-kernel - [PATCH] arm64: dts: ti: k3-j784s4-j742s2-main-common: Fix serdes_ln

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Message-ID: <20250227061643.144026-1-s-vadapalli@ti.com>
Date: Thu, 27 Feb 2025 11:46:43 +0530
From: Siddharth Vadapalli <s-vadapalli@...com>
To: <nm@...com>, <vigneshr@...com>, <kristo@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>, <j-choudhary@...com>,
        <rogerq@...nel.org>
CC: <stable@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <srk@...com>, <s-vadapalli@...com>
Subject: [PATCH] arm64: dts: ti: k3-j784s4-j742s2-main-common: Fix serdes_ln_ctrl reg-masks

Commit under Fixes added the 'idle-states' property for SERDES4 lane muxing
without defining the corresponding register offsets and masks for it in the
'mux-reg-masks' property within the 'serdes_ln_ctrl' node.

Fix this.

Fixes: 7287d423f138 ("arm64: dts: ti: k3-j784s4-main: Add system controller and SERDES lane mux")
Cc: stable@...r.kernel.org
Signed-off-by: Siddharth Vadapalli <s-vadapalli@...com>
---

Hello,

This patch is based on commit
dd83757f6e68 Merge tag 'bcachefs-2025-02-26' of git://evilpiepirate.org/bcachefs
of the master branch of Mainline Linux.

Regards,
Siddharth.

 arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
index 83bbf94b58d1..a5fefafcba74 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
@@ -84,7 +84,9 @@ serdes_ln_ctrl: mux-controller@...0 {
 					<0x10 0x3>, <0x14 0x3>, /* SERDES1 lane0/1 select */
 					<0x18 0x3>, <0x1c 0x3>, /* SERDES1 lane2/3 select */
 					<0x20 0x3>, <0x24 0x3>, /* SERDES2 lane0/1 select */
-					<0x28 0x3>, <0x2c 0x3>; /* SERDES2 lane2/3 select */
+					<0x28 0x3>, <0x2c 0x3>, /* SERDES2 lane2/3 select */
+					<0x30 0x3>, <0x34 0x3>, /* SERDES4 lane0/1 select */
+					<0x38 0x3>, <0x3c 0x3>; /* SERDES4 lane2/3 select */
 			idle-states = <J784S4_SERDES0_LANE0_PCIE1_LANE0>,
 				      <J784S4_SERDES0_LANE1_PCIE1_LANE1>,
 				      <J784S4_SERDES0_LANE2_IP3_UNUSED>,
-- 
2.34.1