[PATCH v2 3/7] arm64: dts: ti: k3-j721s2-main: add DSI & DSI PHY

Vignesh Raghavendra vigneshr at ti.com
Wed Jun 25 23:27:54 PDT 2025



On 24/06/25 13:56, Jayesh Choudhary wrote:
> From: Rahul T R <r-ravikumar at ti.com>
> 
> Add DT nodes for DPI to DSI Bridge and DSI Phy.
> The DSI bridge is Cadence DSI and the PHY is a
> Cadence DPHY with TI wrapper.
> 
> Signed-off-by: Rahul T R <r-ravikumar at ti.com>
> [j-choudhary at ti.com: disable dsi and dphy nodes, rename dphy node]
> Signed-off-by: Jayesh Choudhary <j-choudhary at ti.com>
> ---
>  arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 37 ++++++++++++++++++++++
>  1 file changed, 37 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> index 83cf0adb2cb7..e17fffc36248 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> @@ -1795,6 +1795,43 @@ main_spi7: spi at 2170000 {
>  		status = "disabled";
>  	};
>  
> +	dphy_tx0: phy at 4480000 {
> +		compatible = "ti,j721e-dphy";
> +		reg = <0x0 0x04480000 0x0 0x1000>;
> +		clocks = <&k3_clks 363 8>, <&k3_clks 363 14>;
> +		clock-names = "psm", "pll_ref";
> +		#phy-cells = <0>;
> +		power-domains = <&k3_pds 363 TI_SCI_PD_EXCLUSIVE>;
> +		assigned-clocks = <&k3_clks 363 14>;
> +		assigned-clock-parents = <&k3_clks 363 15>;
> +		assigned-clock-rates = <19200000>;
> +		status = "disabled";
> +	};
> +
> +	dsi0: dsi at 4800000 {
> +		compatible = "ti,j721e-dsi";
> +		reg = <0x0 0x04800000 0x0 0x100000>, <0x0 0x04710000 0x0 0x100>;
> +		clocks = <&k3_clks 154 4>, <&k3_clks 154 1>;
> +		clock-names = "dsi_p_clk", "dsi_sys_clk";
> +		power-domains = <&k3_pds 154 TI_SCI_PD_EXCLUSIVE>;
> +		interrupt-parent = <&gic500>;
> +		interrupts = <GIC_SPI 600 IRQ_TYPE_LEVEL_HIGH>;
> +		phys = <&dphy_tx0>;
> +		phy-names = "dphy";
> +		status = "disabled";
> +
> +		dsi0_ports: ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			port at 0 {
> +				reg = <0>;
> +			};
> +			port at 1 {
> +				reg = <1>;
> +			};

Messed up indentation

> +		};
> +	};
> +
>  	dss: dss at 4a00000 {
>  		compatible = "ti,j721e-dss";
>  		reg = <0x00 0x04a00000 0x00 0x10000>, /* common_m */

-- 
Regards
Vignesh
https://ti.com/opensource




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