From 8b2e41833bd649086e32ac4c3a412d7ec80e8202 Mon Sep 17 00:00:00 2001 From: Vaishnav Achath Date: Tue, 10 Oct 2023 16:47:23 +0530 Subject: [PATCH] arm64: dts: ti: k3-j784s4-main: Add BCDMA instance for CSI2RX J784S4 has a dedicated BCDMA controller for the Camera Serial Interface. Events from the BCDMA controller instance are routed through the main UDMA interrupt aggregator as unmapped events. Add the node for the DMA controller and keep it disabled by default. See J784S4 Technical Reference Manual (SPRUJ52) for further details: http://www.ti.com/lit/zip/spruj52 Signed-off-by: Vaishnav Achath Reviewed-by: Jayesh Choudhary Link: https://lore.kernel.org/r/20231010111723.17524-3-vaishnav.a@ti.com Signed-off-by: Vignesh Raghavendra --- arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi index efed2d683f63c..3123413e2140f 100644 --- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi @@ -703,6 +703,7 @@ ti,sci = <&sms>; ti,sci-dev-id = <321>; ti,interrupt-ranges = <0 0 256>; + ti,unmapped-event-sources = <&main_bcdma_csi>; }; secure_proxy_main: mailbox@32c00000 { @@ -1000,6 +1001,22 @@ ti,sci-rm-range-rflow = <0x00>; /* GP RFLOW */ }; + main_bcdma_csi: dma-controller@311a0000 { + compatible = "ti,j721s2-dmss-bcdma-csi"; + reg = <0x00 0x311a0000 0x00 0x100>, + <0x00 0x35d00000 0x00 0x20000>, + <0x00 0x35c00000 0x00 0x10000>, + <0x00 0x35e00000 0x00 0x80000>; + reg-names = "gcfg", "rchanrt", "tchanrt", "ringrt"; + msi-parent = <&main_udmass_inta>; + #dma-cells = <3>; + ti,sci = <&sms>; + ti,sci-dev-id = <281>; + ti,sci-rm-range-rchan = <0x21>; + ti,sci-rm-range-tchan = <0x22>; + status = "disabled"; + }; + cpts@310d0000 { compatible = "ti,j721e-cpts"; reg = <0x00 0x310d0000 0x00 0x400>; -- 2.30.2