linux-kernel - [PATCH 1/2] dt-bindings: dma: ti: k3-bcdma: Add TX channel for AM62A CSIRX BCDMA

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Message-ID: <20241125083914.2934815-1-vaishnav.a@ti.com>
Date: Mon, 25 Nov 2024 14:09:13 +0530
From: Vaishnav Achath <vaishnav.a@...com>
To: <peter.ujfalusi@...il.com>, <vkoul@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <dmaengine@...r.kernel.org>, <devicetree@...r.kernel.org>
CC: <linux-kernel@...r.kernel.org>, <u-kumar1@...com>, <j-choudhary@...com>,
        <vigneshr@...com>, <vaishnav.a@...com>
Subject: [PATCH 1/2] dt-bindings: dma: ti: k3-bcdma: Add TX channel for AM62A CSIRX BCDMA

J722S CSIRX BCDMA is based on AM62A BCDMA and supports CSI TX channels
in addition to currently supported RX channels. Add TX channel
properties as optional properties in the list so that the same
compatible can be reused. K3 UDMA makes use of TCHAN_CNT
capabilities register to identify whether platform supports
TX channels.

Signed-off-by: Vaishnav Achath <vaishnav.a@...com>
---
 Documentation/devicetree/bindings/dma/ti/k3-bcdma.yaml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/dma/ti/k3-bcdma.yaml b/Documentation/devicetree/bindings/dma/ti/k3-bcdma.yaml
index 27b8e1636560..c748f78b313e 100644
--- a/Documentation/devicetree/bindings/dma/ti/k3-bcdma.yaml
+++ b/Documentation/devicetree/bindings/dma/ti/k3-bcdma.yaml
@@ -138,19 +138,22 @@ allOf:
     then:
       properties:
         ti,sci-rm-range-bchan: false
-        ti,sci-rm-range-tchan: false
 
         reg:
+          minItems: 3
           items:
             - description: BCDMA Control /Status Registers region
             - description: RX Channel Realtime Registers region
             - description: Ring Realtime Registers region
+            - description: TX Channel Realtime Registers region
 
         reg-names:
+          minItems: 3
           items:
             - const: gcfg
             - const: rchanrt
             - const: ringrt
+            - const: tchanrt
 
       required:
         - power-domains
-- 
2.34.1