[PATCH 03/18] arm64: dts: ti: k3-j721s2-main: Add multiple channels for CSI2RX DMA
From: Yemike Abhilash Chandra
Date: Thu Jul 02 2026 - 05:44:46 EST
From: Vaishnav Achath <vaishnav.a@xxxxxx>
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@xxxxxx>
Signed-off-by: Yemike Abhilash Chandra <y-abhilashchandra@xxxxxx>
---
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@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@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