Messages in this thread | | | Date | Tue, 10 Oct 2023 16:22:02 +0530 | Subject | Re: [PATCH 1/2] arm64: dts: ti: k3-j721s2-main: Add BCDMA instance for CSI2RX | From | Jayesh Choudhary <> |
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Hello Vaishnav,
On 10/10/23 14:56, Vaishnav Achath wrote: > 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> > --- > 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 6d32544c8881..2a51a8d98c3c 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>;
Indentation is off here... Same in patch 2/2..
> + 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>;
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