linux-kernel - [PATCH v2 3/5] arm64: dts: ti: k3-am62-main: Add tidss clk-ctrl property

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Message-ID: <20251106134652.883148-4-s-jain1@ti.com>
Date: Thu, 6 Nov 2025 19:16:50 +0530
From: Swamil Jain <s-jain1@...com>
To: <jyri.sarha@....fi>, <tomi.valkeinen@...asonboard.com>,
	<maarten.lankhorst@...ux.intel.com>, <mripard@...nel.org>,
	<tzimmermann@...e.de>, <airlied@...il.com>, <simona@...ll.ch>, <nm@...com>,
	<vigneshr@...com>, <kristo@...nel.org>, <robh@...nel.org>,
	<krzk+dt@...nel.org>, <conor+dt@...nel.org>, <lee@...nel.org>,
	<louis.chauvet@...tlin.com>, <aradhya.bhatia@...ux.dev>
CC: <devarsht@...com>, <praneeth@...com>, <h-shenoy@...com>,
	<dri-devel@...ts.freedesktop.org>, <linux-arm-kernel@...ts.infradead.org>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 3/5] arm64: dts: ti: k3-am62-main: Add tidss clk-ctrl property

From: Louis Chauvet <louis.chauvet@...tlin.com>

For am62 processors, we need to use the newly created clk-ctrl property to
properly handle data edge sampling configuration. Add them in the main
device tree.

Fixes: ad2ac9dc9426 ("drm/tidss: Add support for AM625 DSS")
Cc: stable@...r.kernel.org
Signed-off-by: Louis Chauvet <louis.chauvet@...tlin.com>
Signed-off-by: Swamil Jain <s-jain1@...com>
---
 arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
index a290a674767b..2b6c033ae393 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
@@ -77,6 +77,11 @@ audio_refclk1: clock-controller@...4 {
 			#clock-cells = <0>;
 		};
 
+		dss_clk_ctrl: dss-clk-ctrl@...0 {
+			compatible = "ti,am625-dss-clk-ctrl", "syscon";
+			reg = <0x8300 0x4>;
+		};
+
 		dss_oldi_io_ctrl: oldi-io-controller@...0 {
 			compatible = "ti,am625-dss-oldi-io-ctrl", "syscon";
 			reg = <0x8600 0x200>;
@@ -801,6 +806,7 @@ dss: dss@...00000 {
 			 <&k3_clks 186 2>;
 		clock-names = "fck", "vp1", "vp2";
 		interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
+		ti,clk-ctrl = <&dss_clk_ctrl>;
 		status = "disabled";
 
 		oldi-transmitters {