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On 27/07/26 10:59, Kumar, Udit wrote: > Thanks for patch > > On 7/13/2026 5:04 PM, Yemike Abhilash Chandra wrote: >> From: Vaishnav Achath >> >> Fusion application daughter board [1] can be used to connect multiple >> FPDLink-III based sensors to TI EVMs. The board has two DS90UB960 >> deserializers, each of which aggregates input from up to 4x FPDLink-III >> sensors. Up to 8x sensors can simultaneously stream over the two CSI RX >> ports on J721E. > J721E to same of board, please > >> >> [1]: https://svtronics.com/product/fusion-application-daughter-board-evm577pfusion-v1-0/?srsltid=AfmBOooMsRAd5ibFOGJaKbjsC3j9-loTPK2wWqsqPq2Adj55g1nPluxX >> >> Signed-off-by: Vaishnav Achath >> Signed-off-by: Yemike Abhilash Chandra >> --- >> Changelog: >> Changes in v2: >> - Add missing bus-type property in csi2_phy0 endpoint for cdns_csi2rx0 (sashiko) >> - Fix minor DTS styling and whitespace inconsistencies in port definitions (sashiko) >> - Remove unused gpio.h header (sashiko) >> >> arch/arm64/boot/dts/ti/Makefile | 4 + >> [..] >> + deserializer_0_ports: ports { >> + #address-cells = <1>; >> + #size-cells = <0>; >> + >> + port@0 { >> + reg = <0>; >> + status = "disabled"; >> + }; >> + >> + port@1 { >> + reg = <1>; >> + status = "disabled"; >> + }; >> + >> + port@2 { >> + reg = <2>; >> + status = "disabled"; >> + }; >> + >> + port@3 { >> + reg = <3>; >> + status = "disabled"; >> + }; >> + >> + /* CSI-2 TX */ >> + port@4 { >> + reg = <4>; >> + ds90ub960_0_csi_out: endpoint { >> + data-lanes = <1 2 3 4>; >> + clock-lanes = <0>; >> + link-frequencies = /bits/ 64 <800000000>; >> + remote-endpoint = <&csi2_phy0>; >> + }; >> + }; >> + >> + port@5 { >> + reg = <5>; >> + status = "disabled"; >> + }; > > Little confused here on port number, > I am wondering, why 5 ports are defined. > > as per DS90UB960, one single part can have 4 input (from sensors) > and 2 port output (towards SOC) page 5 from [0]. > > The DS90UB960 has 4 input ports (RX) and 2 output ports (TX). Hence we define input ports starting from port 0 till port 3. Port 4 and 5 correspond to the two output ports. So the ports definition here include both input and output ports of the DS90UB960. Thanks and Regards, Yemike Abhilash Chandra > > https://www.ti.com/lit/ds/symlink/ds90ub960-q1.pdf > > >> + }; >> + >> [..]