github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-04 20:46:48 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

arm64: dts: ti: k3-j721s2-main: Add BCDMA instance for CSI2RX

Browse Source 
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 <vaishnav.a@ti.com>
Reviewed-by: Jayesh Choudhary <j-choudhary@ti.com>
Link: https://lore.kernel.org/r/20231010111723.17524-2-vaishnav.a@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Vaishnav Achath 2023-10-10 16:47:22 +05:30 committed by Vignesh Raghavendra
parent 6507bfa7e0
commit 10c6c4db62
1 changed files with 17 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
View File

@ -807,6 +807,7 @@ main_udmass_inta: msi-controller@33d00000 {
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 @@ main_udmap: dma-controller@31150000 {
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>;