[PATCH v2 1/7] arm64: dts: ti: k3-j784s4-j742s2-main-common: add DSI & DSI PHY
Jayesh Choudhary
j-choudhary at ti.com
Tue Jul 15 02:46:50 PDT 2025
Hello Vignesh,
On 26/06/25 11:56, Vignesh Raghavendra wrote:
> Hi
>
> On 24/06/25 13:56, Jayesh Choudhary wrote:
>> 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: Jayesh Choudhary <j-choudhary at ti.com>
>> ---
>> .../dts/ti/k3-j784s4-j742s2-main-common.dtsi | 37 +++++++++++++++++++
>> 1 file changed, 37 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
>> index 363d68fec387..2413c4913a8b 100644
>> --- a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
>> @@ -2517,6 +2517,43 @@ watchdog18: watchdog at 2550000 {
>> status = "reserved";
>> };
>>
>> + dphy_tx0: phy at 4480000 {
>> + compatible = "ti,j721e-dphy";
>> + reg = <0x0 0x04480000 0x0 0x1000>;
>
> Follow the convention of the file. Use:
>
> reg = <0x00 0x04480000 0x00 0x1000>;
Okay I will add padding.
Will add it to 4th field as well as I am seeing it in some
nodes:
reg = <0x00 0x04480000 0x00 0x00001000>;
>
> Please fix throughout the series.
Okay.
>
>> + clocks = <&k3_clks 402 20>, <&k3_clks 402 3>;
>> + clock-names = "psm", "pll_ref";
>> + #phy-cells = <0>;
>> + power-domains = <&k3_pds 402 TI_SCI_PD_EXCLUSIVE>;
>> + assigned-clocks = <&k3_clks 402 3>;
>> + assigned-clock-parents = <&k3_clks 402 4>;
>> + 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 215 2>, <&k3_clks 215 5>;
>> + clock-names = "dsi_p_clk", "dsi_sys_clk";
>> + power-domains = <&k3_pds 215 TI_SCI_PD_EXCLUSIVE>;
>
>> + interrupt-parent = <&gic500>;
>
> This is implied and can be dropped.
Will drop.
Warm Regards,
Jayesh
>
>> + 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>;
>> + };
>> + };
>> + };
>> +
>> mhdp: bridge at a000000 {
>> compatible = "ti,j721e-mhdp8546";
>> reg = <0x0 0xa000000 0x0 0x30a00>,
>
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