[PATCH 04/18] arm64: dts: ti: k3-j784s4-j742s2-main-common: Add multiple channels for CSI2RX DMA

Yemike Abhilash Chandra y-abhilashchandra at ti.com
Thu Jul 2 02:31:09 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>
---
 .../dts/ti/k3-j784s4-j742s2-main-common.dtsi  | 21 +++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
index c2636e624f18..4b4545a5af19 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
@@ -811,8 +811,11 @@ 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 72 TI_SCI_PD_EXCLUSIVE>;
 		status = "disabled";
 
@@ -867,8 +870,11 @@ 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 73 TI_SCI_PD_EXCLUSIVE>;
 		status = "disabled";
 
@@ -922,8 +928,11 @@ ti_csi2rx2: ticsi2rx at 4520000 {
 		ranges;
 		#address-cells = <2>;
 		#size-cells = <2>;
-		dmas = <&main_bcdma_csi 0 0x4980 0>;
-		dma-names = "rx0";
+		dmas = <&main_bcdma_csi 0 0x4980 0>, <&main_bcdma_csi 0 0x4981 0>,
+		       <&main_bcdma_csi 0 0x4982 0>, <&main_bcdma_csi 0 0x4983 0>,
+		       <&main_bcdma_csi 0 0x4984 0>, <&main_bcdma_csi 0 0x4985 0>,
+		       <&main_bcdma_csi 0 0x4986 0>, <&main_bcdma_csi 0 0x4987 0>;
+		dma-names = "rx0", "rx1", "rx2", "rx3", "rx4", "rx5", "rx6", "rx7";
 		power-domains = <&k3_pds 74 TI_SCI_PD_EXCLUSIVE>;
 		status = "disabled";
 
-- 
2.34.1




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