From: Aradhya Bhatia <a-bhatia1@ti.com>

Add TI DSS OLDI-IO control registers for AM625 DSS. This is a region of
12 32bit registers found in the TI AM625 CTRL_MMR0 register space[0].
They are used to control the characteristics of the OLDI DATA/CLK IO as
needed by the DSS display controller node.

[0]: https://www.ti.com/lit/pdf/spruiv7

Signed-off-by: Aradhya Bhatia <a-bhatia1@ti.com>
Signed-off-by: Swamil Jain <s-jain1@ti.com>
---
 arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
index 029380dc1a35..dcc71db8afd4 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
@@ -76,6 +76,11 @@ audio_refclk1: clock-controller@82e4 {
 			assigned-clock-parents = <&k3_clks 157 18>;
 			#clock-cells = <0>;
 		};
+
+		dss_oldi_io_ctrl: oldi-io-controller@8600 {
+			compatible = "ti,am625-dss-oldi-io-ctrl", "syscon";
+			reg = <0x8600 0x200>;
+		};
 	};
 
 	dmss: bus@48000000 {

On 13/09/25 12:12, Swamil Jain wrote:
> From: Aradhya Bhatia <a-bhatia1@ti.com>
> 
> Add TI DSS OLDI-IO control registers for AM625 DSS. This is a region of
> 12 32bit registers found in the TI AM625 CTRL_MMR0 register space[0].
> They are used to control the characteristics of the OLDI DATA/CLK IO as
> needed by the DSS display controller node.
> 
> [0]: https://www.ti.com/lit/pdf/spruiv7
> 
> Signed-off-by: Aradhya Bhatia <a-bhatia1@ti.com>
> Signed-off-by: Swamil Jain <s-jain1@ti.com>

Reviewed-by: Devarsh Thakkar <devarsht@ti.com>

Regards
Devarsh
> ---
>   arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 5 +++++
>   1 file changed, 5 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> index 029380dc1a35..dcc71db8afd4 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> @@ -76,6 +76,11 @@ audio_refclk1: clock-controller@82e4 {
>   			assigned-clock-parents = <&k3_clks 157 18>;
>   			#clock-cells = <0>;
>   		};
> +
> +		dss_oldi_io_ctrl: oldi-io-controller@8600 {
> +			compatible = "ti,am625-dss-oldi-io-ctrl", "syscon";
> +			reg = <0x8600 0x200>;
> +		};
>   	};
>   
>   	dmss: bus@48000000 {