linux-kernel - [PATCH v2 2/5] dt-bindings: mfd: syscon: Add ti,am625-dss-clk-ctrl

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Message-ID: <20251106134652.883148-3-s-jain1@ti.com>
Date: Thu, 6 Nov 2025 19:16:49 +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 2/5] dt-bindings: mfd: syscon: Add ti,am625-dss-clk-ctrl

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

The dt-bindings for the multi-function device (mfd) syscon need to include
ti,am625-dss-clk-ctrl. On AM62X, AM62A and AM62P devicess, the display
controller (tidss) has external registers to control certain clock
properties. These registers are located in the device configuration
registers, so they need to be declared using syscon. They will later be
used with a phandle in the tidss node.

Fixes: ad2ac9dc9426 ("drm/tidss: Add support for AM625 DSS")
Fixes: 5cc5ea7b6d7b ("drm/tidss: Add support for AM62A7 DSS")
Cc: stable@...r.kernel.org
Signed-off-by: Louis Chauvet <louis.chauvet@...tlin.com>
Signed-off-by: Swamil Jain <s-jain1@...com>
---
 Documentation/devicetree/bindings/mfd/syscon.yaml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
index 657c38175fba..2dace701b9a6 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.yaml
+++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
@@ -123,6 +123,7 @@ select:
           - ti,am62-opp-efuse-table
           - ti,am62-usb-phy-ctrl
           - ti,am625-dss-oldi-io-ctrl
+          - ti,am625-dss-clk-ctrl
           - ti,am62p-cpsw-mac-efuse
           - ti,am654-dss-oldi-io-ctrl
           - ti,j784s4-acspcie-proxy-ctrl
@@ -232,6 +233,7 @@ properties:
           - ti,am62-opp-efuse-table
           - ti,am62-usb-phy-ctrl
           - ti,am625-dss-oldi-io-ctrl
+          - ti,am625-dss-clk-ctrl
           - ti,am62p-cpsw-mac-efuse
           - ti,am654-dss-oldi-io-ctrl
           - ti,j784s4-acspcie-proxy-ctrl
@@ -260,4 +262,3 @@ examples:
         compatible = "allwinner,sun8i-h3-system-controller", "syscon";
         reg = <0x01c00000 0x1000>;
     };
-...