linux-kernel - Re: [PATCH 2/2] arm64: dts: ti: k3-am625: Add OLDI support

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Message-ID: <cc5a5e12-4e71-4662-9a0d-f925c5bc50ed@ti.com>
Date: Mon, 15 Sep 2025 11:36:45 +0530
From: Devarsh Thakkar <devarsht@...com>
To: Swamil Jain <s-jain1@...com>, <nm@...com>, <vigneshr@...com>,
        <kristo@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>, <jyri.sarha@....fi>,
        <tomi.valkeinen@...asonboard.com>, <maarten.lankhorst@...ux.intel.com>,
        <mripard@...nel.org>, <tzimmermann@...e.de>, <airlied@...il.com>,
        <simona@...ll.ch>, <aradhya.bhatia@...ux.dev>
CC: <h-shenoy@...com>, <praneeth@...com>, <u-kumar1@...com>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] arm64: dts: ti: k3-am625: Add OLDI support

On 13/09/25 12:12, Swamil Jain wrote:
> From: Aradhya Bhatia <a-bhatia1@...com>
> 
> The AM625 SoC has 2 OLDI TXes under the DSS. Add their support.
> 
> Signed-off-by: Aradhya Bhatia <a-bhatia1@...com>
> Signed-off-by: Swamil Jain <s-jain1@...com>

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

Regards
Devarsh

> ---
>   arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 47 ++++++++++++++++++++++++
>   1 file changed, 47 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> index dcc71db8afd4..d240c157d819 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> @@ -793,6 +793,53 @@ dss: dss@...00000 {
>   		interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
>   		status = "disabled";
>   
> +		oldi-transmitters {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			oldi0: oldi@0 {
> +				reg = <0>;
> +				clocks = <&k3_clks 186 0>;
> +				clock-names = "serial";
> +				ti,oldi-io-ctrl = <&dss_oldi_io_ctrl>;
> +				status = "disabled";
> +
> +				ports {
> +					#address-cells = <1>;
> +					#size-cells = <0>;
> +
> +					oldi0_port0: port@0 {
> +						reg = <0>;
> +					};
> +
> +					oldi0_port1: port@1 {
> +						reg = <1>;
> +					};
> +				};
> +			};
> +
> +			oldi1: oldi@1 {
> +				reg = <1>;
> +				clocks = <&k3_clks 186 0>;
> +				clock-names = "serial";
> +				ti,oldi-io-ctrl = <&dss_oldi_io_ctrl>;
> +				status = "disabled";
> +
> +				ports {
> +					#address-cells = <1>;
> +					#size-cells = <0>;
> +
> +					oldi1_port0: port@0 {
> +						reg = <0>;
> +					};
> +
> +					oldi1_port1: port@1 {
> +						reg = <1>;
> +					};
> +				};
> +			};
> +		};
> +
>   		dss_ports: ports {
>   			#address-cells = <1>;
>   			#size-cells = <0>;