linux-kernel - [PATCH 3/3] drm: tidss: tidss_drv: Add support for AM62P display subsystem

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Message-ID: <20251114064336.3683731-4-s-jain1@ti.com>
Date: Fri, 14 Nov 2025 12:13:36 +0530
From: Swamil Jain <s-jain1@...com>
To: <jyri.sarha@....fi>, <tomi.valkeinen@...asonboard.com>,
	<airlied@...il.com>, <simona@...ll.ch>, <maarten.lankhorst@...ux.intel.com>,
	<mripard@...nel.org>, <tzimmermann@...e.de>, <robh@...nel.org>,
	<krzk+dt@...nel.org>, <conor+dt@...nel.org>, <aradhya.bhatia@...ux.dev>
CC: <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <devarsht@...com>, <praneeth@...com>,
	<h-shenoy@...com>, <u-kumar1@...com>, <s-jain1@...com>
Subject: [PATCH 3/3] drm: tidss: tidss_drv: Add support for AM62P display subsystem

The DSS controller on TI's AM62P SoC features two instances of the TI
DSS. Each DSS instance supports two video ports, similar to the DSS
controller found on the TI AM62X SoC. This allows three independent
video streams to be supported: OLDI, DPI, and DSI.

Since the DSS instances on AM62P are architecturally similar to those
on the AM62X DSS controller, the existing dispc_am625_feats
configuration can be reused for the AM62P DSS support.

This patch adds the necessary device tree compatibility entry for
"ti,am62p-dss" in the tidss driver, pointing to dispc_am625_feats,
thereby enabling DSS support on AM62P devices.

Signed-off-by: Swamil Jain <s-jain1@...com>
---
 drivers/gpu/drm/tidss/tidss_drv.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/tidss/tidss_drv.c b/drivers/gpu/drm/tidss/tidss_drv.c
index 50158281715f..620d0af478f8 100644
--- a/drivers/gpu/drm/tidss/tidss_drv.c
+++ b/drivers/gpu/drm/tidss/tidss_drv.c
@@ -327,6 +327,7 @@ static const struct of_device_id tidss_of_table[] = {
 	{ .compatible = "ti,am625-dss", .data = &dispc_am625_feats, },
 	{ .compatible = "ti,am62a7-dss", .data = &dispc_am62a7_feats, },
 	{ .compatible = "ti,am62l-dss", .data = &dispc_am62l_feats, },
+	{ .compatible = "ti,am62p-dss", .data = &dispc_am625_feats, },
 	{ .compatible = "ti,am65x-dss", .data = &dispc_am65x_feats, },
 	{ .compatible = "ti,j721e-dss", .data = &dispc_j721e_feats, },
 	{ }