[PATCH 03/18] arm64: dts: ti: k3-j721s2-main: Add multiple channels for CSI2RX DMA

Yemike Abhilash Chandra y-abhilashchandra at ti.com
Thu Jul 2 02:31:08 PDT 2026


From: Vaishnav Achath <vaishnav.a at ti.com>

J721E CSI2RX SHIM layer can support up to 32 DMA channel contexts. Add
additional DMA channels to enable multistream support for CSI2RX.

Signed-off-by: Vaishnav Achath <vaishnav.a at ti.com>
Signed-off-by: Yemike Abhilash Chandra <y-abhilashchandra at ti.com>
---
 arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
index 5cac119e4292..f4b8713873b1 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
@@ -1239,8 +1239,11 @@ ti_csi2rx0: ticsi2rx at 4500000 {
 		ranges;
 		#address-cells = <2>;
 		#size-cells = <2>;
-		dmas = <&main_bcdma_csi 0 0x4940 0>;
-		dma-names = "rx0";
+		dmas = <&main_bcdma_csi 0 0x4940 0>, <&main_bcdma_csi 0 0x4941 0>,
+		       <&main_bcdma_csi 0 0x4942 0>, <&main_bcdma_csi 0 0x4943 0>,
+		       <&main_bcdma_csi 0 0x4944 0>, <&main_bcdma_csi 0 0x4945 0>,
+		       <&main_bcdma_csi 0 0x4946 0>, <&main_bcdma_csi 0 0x4947 0>;
+		dma-names = "rx0", "rx1", "rx2", "rx3", "rx4", "rx5", "rx6", "rx7";
 		power-domains = <&k3_pds 38 TI_SCI_PD_EXCLUSIVE>;
 		status = "disabled";
 
@@ -1295,8 +1298,11 @@ ti_csi2rx1: ticsi2rx at 4510000 {
 		ranges;
 		#address-cells = <2>;
 		#size-cells = <2>;
-		dmas = <&main_bcdma_csi 0 0x4960 0>;
-		dma-names = "rx0";
+		dmas = <&main_bcdma_csi 0 0x4960 0>, <&main_bcdma_csi 0 0x4961 0>,
+		       <&main_bcdma_csi 0 0x4962 0>, <&main_bcdma_csi 0 0x4963 0>,
+		       <&main_bcdma_csi 0 0x4964 0>, <&main_bcdma_csi 0 0x4965 0>,
+		       <&main_bcdma_csi 0 0x4966 0>, <&main_bcdma_csi 0 0x4967 0>;
+		dma-names = "rx0", "rx1", "rx2", "rx3", "rx4", "rx5", "rx6", "rx7";
 		power-domains = <&k3_pds 39 TI_SCI_PD_EXCLUSIVE>;
 		status = "disabled";
 
-- 
2.34.1




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