From 10c6c4db6283053e8ec20eef19eb77d4aeffed1a Mon Sep 17 00:00:00 2001 From: Vaishnav Achath Date: Tue, 10 Oct 2023 16:47:22 +0530 Subject: [PATCH] arm64: dts: ti: k3-j721s2-main: Add BCDMA instance for CSI2RX J721S2 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 J721S2 Technical Reference Manual (SPRUJ28) for further details: http://www.ti.com/lit/pdf/spruj28 Signed-off-by: Vaishnav Achath Reviewed-by: Jayesh Choudhary Link: https://lore.kernel.org/r/20231010111723.17524-2-vaishnav.a@ti.com Signed-off-by: Vignesh Raghavendra --- arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi index bbb4b7f81039c..d7346385d010c 100644 --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi @@ -807,6 +807,7 @@ ti,sci = <&sms>; ti,sci-dev-id = <265>; ti,interrupt-ranges = <0 0 256>; + ti,unmapped-event-sources = <&main_bcdma_csi>; }; secure_proxy_main: mailbox@32c00000 { @@ -1103,6 +1104,22 @@ 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 = <225>; + ti,sci-rm-range-rchan = <0x21>; + ti,sci-rm-range-tchan = <0x22>; + status = "disabled"; + }; + cpts@310d0000 { compatible = "ti,j721e-cpts"; reg = <0x0 0x310d0000 0x0 0x400>; -- 2.30.2