Devicetree
 help / color / mirror / Atom feed
From: Sai Sree Kartheek Adivi <s-adivi@ti.com>
To: <peter.ujfalusi@gmail.com>, <vkoul@kernel.org>, <robh@kernel.org>,
	<krzk+dt@kernel.org>, <conor+dt@kernel.org>, <nm@ti.com>,
	<ssantosh@kernel.org>, <dmaengine@vger.kernel.org>,
	<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>, <vigneshr@ti.com>,
	<Frank.li@nxp.com>, <s-adivi@ti.com>
Cc: <r-sharma3@ti.com>, <gehariprasath@ti.com>
Subject: [PATCH v7 14/19] dt-bindings: dma: ti: Add K3 PKTDMA V2
Date: Fri, 24 Jul 2026 15:50:47 +0530	[thread overview]
Message-ID: <20260724102115.2854-15-s-adivi@ti.com> (raw)
In-Reply-To: <20260724102115.2854-1-s-adivi@ti.com>

New binding document for Texas Instruments K3 Packet DMA (PKTDMA) V2.

PKTDMA V2 is introduced as part of AM62L.

Signed-off-by: Sai Sree Kartheek Adivi <s-adivi@ti.com>
---
 .../bindings/dma/ti/ti,am62l-dmss-pktdma.yaml | 191 ++++++++++++++++++
 1 file changed, 191 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/dma/ti/ti,am62l-dmss-pktdma.yaml

diff --git a/Documentation/devicetree/bindings/dma/ti/ti,am62l-dmss-pktdma.yaml b/Documentation/devicetree/bindings/dma/ti/ti,am62l-dmss-pktdma.yaml
new file mode 100644
index 0000000000000..7173041708369
--- /dev/null
+++ b/Documentation/devicetree/bindings/dma/ti/ti,am62l-dmss-pktdma.yaml
@@ -0,0 +1,191 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) 2026 Texas Instruments Incorporated
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dma/ti/ti,am62l-dmss-pktdma.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments K3 DMSS PKTDMA V2
+
+maintainers:
+  - Sai Sree Kartheek Adivi <s-adivi@ti.com>
+
+description:
+  The PKTDMA V2 is intended to perform similar functions as the packet mode
+  channels of K3 UDMA-P. 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:
+  - $ref: /schemas/dma/dma-controller.yaml#
+
+properties:
+  compatible:
+    const: ti,am62l-dmss-pktdma
+
+  reg:
+    items:
+      - description: Packet DMA Control & Status
+      - description: Channel Realtime
+      - description: Ring Realtime
+
+  reg-names:
+    items:
+      - const: gcfg
+      - const: chanrt
+      - const: ringrt
+
+  "#dma-cells":
+    const: 2
+    description: |
+      cell 1: Flow ID for the peripheral
+        This is the hardware flow index assigned to the peripheral. TX flows
+        use even indices and RX flows use odd indices in an interleaved
+        manner. For XYMF peripherals (SPI, CRC32) each chip-select/FIFO has
+        a distinct flow ID; use the flow ID for the specific direction and
+        chip-select being requested.
+
+        Please refer to the device documentation for the flow map.
+
+      cell 2: ASEL value for the channel
+
+  interrupts:
+    minItems: 78
+    maxItems: 78
+    description:
+      Interrupts for DMA channels.
+
+  interrupt-names:
+    minItems: 78
+    maxItems: 78
+    items:
+      pattern: "^(t|r)flow([0-9]|1[0-3]|1[6-9]|2[0-9]|3[0-9]|4[0-7]|6[4-9]|7[0-9]|9[6-9]|10[0-9]|11[01])$"
+    description:
+      The name of the interrupt corresponding to the DMA flow.
+      TX flows use the "tflow" prefix, RX flows use the "rflow" prefix.
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - "#dma-cells"
+  - interrupts
+  - interrupt-names
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    dma-controller@485c0000 {
+        compatible = "ti,am62l-dmss-pktdma";
+        reg = <0x485c0000 0x4000>,
+              <0x48900000 0x80000>,
+              <0x47200000 0x100000>;
+        reg-names = "gcfg", "chanrt", "ringrt";
+
+        #dma-cells = <2>;
+
+        interrupts = <GIC_SPI 354 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 355 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 358 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 359 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 362 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 363 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 366 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 367 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 370 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 371 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 374 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 375 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 378 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 379 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 322 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 323 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 322 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 323 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 322 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 323 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 322 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 323 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 326 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 327 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 326 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 327 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 326 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 327 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 326 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 327 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 331 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 331 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 331 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 331 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 334 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 335 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 334 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 335 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 334 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 335 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 334 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 335 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 500 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 501 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 502 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 503 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 504 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 505 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 506 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 507 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 508 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 509 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 510 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 511 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 512 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 513 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 514 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 515 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 484 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 485 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 486 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 487 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 488 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 489 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 490 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 491 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 492 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 493 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 494 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 495 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 496 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 497 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 498 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 499 IRQ_TYPE_LEVEL_HIGH>;
+        interrupt-names = "rflow0", "tflow1", "rflow2", "tflow3", "rflow4",
+                          "tflow5", "rflow6", "tflow7", "rflow8", "tflow9",
+                          "rflow10", "tflow11", "rflow12", "tflow13",
+                          "rflow16", "tflow17", "rflow18", "tflow19",
+                          "rflow20", "tflow21", "rflow22", "tflow23",
+                          "rflow24", "tflow25", "rflow26", "tflow27",
+                          "rflow28", "tflow29", "rflow30", "tflow31",
+                          "rflow32", "tflow33", "rflow34", "tflow35",
+                          "rflow36", "tflow37", "rflow38", "tflow39",
+                          "rflow40", "tflow41", "rflow42", "tflow43",
+                          "rflow44", "tflow45", "rflow46", "tflow47",
+                          "tflow64", "tflow65", "tflow66", "tflow67",
+                          "tflow68", "tflow69", "tflow70", "tflow71",
+                          "tflow72", "tflow73", "tflow74", "tflow75",
+                          "tflow76", "tflow77", "tflow78", "tflow79",
+                          "rflow96", "rflow97", "rflow98", "rflow99",
+                          "rflow100", "rflow101", "rflow102", "rflow103",
+                          "rflow104", "rflow105", "rflow106", "rflow107",
+                          "rflow108", "rflow109", "rflow110", "rflow111";
+    };
-- 
2.54.0


  parent reply	other threads:[~2026-07-24 10:23 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-24 10:20 [PATCH v7 00/19] dmaengine: ti: Add support for BCDMA v2 and PKTDMA v2 Sai Sree Kartheek Adivi
2026-07-24 10:20 ` [PATCH v7 01/19] dmaengine: ti: k3-udma: Fix sporadic crash on AM62x Sai Sree Kartheek Adivi
2026-07-24 10:41   ` sashiko-bot
2026-07-24 10:20 ` [PATCH v7 02/19] dmaengine: ti: k3-udma: move macros to header file Sai Sree Kartheek Adivi
2026-07-24 10:20 ` [PATCH v7 03/19] dmaengine: ti: k3-udma: move structs and enums " Sai Sree Kartheek Adivi
2026-07-24 10:20 ` [PATCH v7 04/19] dmaengine: ti: k3-udma: move static inline helper functions " Sai Sree Kartheek Adivi
2026-07-24 10:20 ` [PATCH v7 05/19] dmaengine: ti: k3-udma: move descriptor management to k3-udma-common.c Sai Sree Kartheek Adivi
2026-07-24 10:44   ` sashiko-bot
2026-07-24 10:20 ` [PATCH v7 06/19] dmaengine: ti: k3-udma: move ring management functions " Sai Sree Kartheek Adivi
2026-07-24 10:33   ` sashiko-bot
2026-07-24 10:20 ` [PATCH v7 07/19] dmaengine: ti: k3-udma: Add variant-specific function pointers to udma_dev Sai Sree Kartheek Adivi
2026-07-24 10:41   ` sashiko-bot
2026-07-24 10:20 ` [PATCH v7 08/19] dmaengine: ti: k3-udma: move udma utility functions to k3-udma-common.c Sai Sree Kartheek Adivi
2026-07-24 10:42   ` sashiko-bot
2026-07-24 10:20 ` [PATCH v7 09/19] dmaengine: ti: k3-udma: move resource management " Sai Sree Kartheek Adivi
2026-07-24 10:52   ` sashiko-bot
2026-07-24 10:20 ` [PATCH v7 10/19] dmaengine: ti: k3-udma: refactor resource setup functions Sai Sree Kartheek Adivi
2026-07-24 10:42   ` sashiko-bot
2026-07-24 10:20 ` [PATCH v7 11/19] dmaengine: ti: k3-udma: move inclusion of k3-udma-private.c to k3-udma-common.c Sai Sree Kartheek Adivi
2026-07-24 10:20 ` [PATCH v7 12/19] drivers: soc: ti: k3-ringacc: handle absence of tisci Sai Sree Kartheek Adivi
2026-07-24 10:53   ` sashiko-bot
2026-07-24 10:20 ` [PATCH v7 13/19] dt-bindings: dma: ti: Add K3 BCDMA V2 Sai Sree Kartheek Adivi
2026-07-24 10:20 ` Sai Sree Kartheek Adivi [this message]
2026-07-24 10:46   ` [PATCH v7 14/19] dt-bindings: dma: ti: Add K3 PKTDMA V2 sashiko-bot
2026-07-24 10:20 ` [PATCH v7 15/19] dmaengine: ti: k3-psil-am62l: Add AM62Lx PSIL and PDMA data Sai Sree Kartheek Adivi
2026-07-24 10:48   ` sashiko-bot
2026-07-24 10:20 ` [PATCH v7 16/19] dmaengine: ti: k3-udma-v2: New driver for K3 BCDMA_V2 Sai Sree Kartheek Adivi
2026-07-24 11:05   ` sashiko-bot
2026-07-24 10:20 ` [PATCH v7 17/19] dmaengine: ti: k3-udma-v2: Add support for PKTDMA V2 Sai Sree Kartheek Adivi
2026-07-24 10:58   ` sashiko-bot
2026-07-24 10:20 ` [PATCH v7 18/19] dmaengine: ti: k3-udma-v2: Update glue layer to support " Sai Sree Kartheek Adivi
2026-07-24 10:58   ` sashiko-bot
2026-07-24 10:20 ` [PATCH v7 19/19] dmaengine: ti: k3-udma: Validate resource ID and fix logging in reservation Sai Sree Kartheek Adivi
2026-07-24 11:00   ` sashiko-bot

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260724102115.2854-15-s-adivi@ti.com \
    --to=s-adivi@ti.com \
    --cc=Frank.li@nxp.com \
    --cc=conor+dt@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=dmaengine@vger.kernel.org \
    --cc=gehariprasath@ti.com \
    --cc=krzk+dt@kernel.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=nm@ti.com \
    --cc=peter.ujfalusi@gmail.com \
    --cc=r-sharma3@ti.com \
    --cc=robh@kernel.org \
    --cc=ssantosh@kernel.org \
    --cc=vigneshr@ti.com \
    --cc=vkoul@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox