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PKTDMA V2 only includes Split channels to service > + PSI-L based peripherals. > + > + The peripherals can be PSI-L native or legacy, non PSI-L native peripherals > + with PDMAs. PDMA is tasked to act as a bridge between the PSI-L fabric and the > + legacy peripheral. > + > +allOf: > + - $ref: /schemas/dma/dma-controller.yaml# > + > +properties: > + compatible: > + const: ti,am62l-dmss-pktdma > + > + reg: > + items: > + - description: Packet DMA Control /Status > + - description: Channel Realtime > + - description: Ring Realtime > + > + reg-names: > + items: > + - const: gcfg > + - const: chanrt > + - const: ringrt > + > + "#dma-cells": > + const: 2 > + description: | > + cell 1: Channel identification for the peripheral > + PSI-L thread ID of the remote (to BCDMA) end. > + Valid ranges for thread ID depends on the data movement direction: > + for source thread IDs (rx): 0 - 0x7fff > + for destination thread IDs (tx): 0x8000 - 0xffff > + > + Please refer to the device documentation for the PSI-L thread map and > + also the PSI-L peripheral chapter for the correct thread ID. > + > + cell 2: ASEL value for the channel > + > +required: > + - compatible > + - reg > + - reg-names > + - "#dma-cells" No irq and clock? > + > +unevaluatedProperties: false > + > +examples: > + - | > + main { > + #address-cells = <2>; > + #size-cells = <2>; If use 32bit address, needn't main > + > + main_pktdma: dma-controller@485c0000 { Need need label > + compatible = "ti,am62l-dmss-pktdma"; > + reg = <0x00 0x485c0000 0x00 0x4000>, > + <0x00 0x48900000 0x00 0x80000>, > + <0x00 0x47200000 0x00 0x100000>; > + reg-names = "gcfg", "chanrt", "ringrt"; > + #dma-cells = <2>; > + }; > + > + serial@2800000 { Needn't this in example. Frank > + compatible = "ti,am64-uart", "ti,am654-uart"; > + reg = <0x00 0x02800000 0x00 0x100>; > + power-domains = <&scmi_pds 89>; > + clocks = <&scmi_clk 358>; > + clock-names = "fclk"; > + dmas = <&main_pktdma 0xc400 0>, > + /* tx: PSI-L thread ID, ASEL value */ > + <&main_pktdma 0x4400 0>; > + /* rx: PSI-L thread ID, ASEL value */ > + dma-names = "tx", "rx"; > + }; > + }; > -- > 2.34.1 >