[PATCH v3 3/9] arm64: dts: ti: Enable CSI-RX on AM62A

From: Jai Luthra
Date: Tue Nov 28 2023 - 05:12:56 EST


Add nodes for Cadence DPHY, CSI2RX and TI's pixel-grabbing wrapper.
AM62A uses a dedicated BCDMA instance for CSI-RX traffic, so enable that
as well.

Signed-off-by: Jai Luthra <j-luthra@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 99 +++++++++++++++++++++++++++++++
1 file changed, 99 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
index 4ae7fdc5221b..ea70d78eb132 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
@@ -144,6 +144,44 @@ main_pktdma: dma-controller@485c0000 {
};
};

+ dmss_csi: bus@4e000000 {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ dma-ranges;
+ ranges = <0x00 0x4e000000 0x00 0x4e000000 0x00 0x300000>;
+
+ ti,sci-dev-id = <198>;
+
+ inta_main_dmss_csi: interrupt-controller@4e0a0000 {
+ compatible = "ti,sci-inta";
+ reg = <0x00 0x4e0a0000 0x00 0x8000>;
+ #interrupt-cells = <0>;
+ interrupt-controller;
+ interrupt-parent = <&gic500>;
+ msi-controller;
+ ti,sci = <&dmsc>;
+ ti,sci-dev-id = <200>;
+ ti,interrupt-ranges = <0 237 8>;
+ ti,unmapped-event-sources = <&main_bcdma_csi>;
+ power-domains = <&k3_pds 182 TI_SCI_PD_EXCLUSIVE>;
+ };
+
+ main_bcdma_csi: dma-controller@4e230000 {
+ compatible = "ti,am62a-dmss-bcdma-csirx";
+ reg = <0x00 0x4e230000 0x00 0x100>,
+ <0x00 0x4e180000 0x00 0x8000>,
+ <0x00 0x4e100000 0x00 0x10000>;
+ reg-names = "gcfg", "rchanrt", "ringrt";
+ msi-parent = <&inta_main_dmss_csi>;
+ #dma-cells = <3>;
+ ti,sci = <&dmsc>;
+ ti,sci-dev-id = <199>;
+ ti,sci-rm-range-rchan = <0x21>;
+ power-domains = <&k3_pds 182 TI_SCI_PD_EXCLUSIVE>;
+ };
+ };
+
dmsc: system-controller@44043000 {
compatible = "ti,k2g-sci";
reg = <0x00 0x44043000 0x00 0xfe0>;
@@ -876,4 +914,65 @@ mcasp2: audio-controller@2b20000 {
power-domains = <&k3_pds 192 TI_SCI_PD_EXCLUSIVE>;
status = "disabled";
};
+
+ ti_csi2rx0: ticsi2rx@30102000 {
+ compatible = "ti,j721e-csi2rx-shim";
+ dmas = <&main_bcdma_csi 0 0x5000 0>;
+ dma-names = "rx0";
+ reg = <0x00 0x30102000 0x00 0x1000>;
+ power-domains = <&k3_pds 182 TI_SCI_PD_EXCLUSIVE>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ status = "disabled";
+
+ cdns_csi2rx0: csi-bridge@30101000 {
+ compatible = "ti,j721e-csi2rx", "cdns,csi2rx";
+ reg = <0x00 0x30101000 0x00 0x1000>;
+ clocks = <&k3_clks 182 0>, <&k3_clks 182 3>, <&k3_clks 182 0>,
+ <&k3_clks 182 0>, <&k3_clks 182 4>, <&k3_clks 182 4>;
+ clock-names = "sys_clk", "p_clk", "pixel_if0_clk",
+ "pixel_if1_clk", "pixel_if2_clk", "pixel_if3_clk";
+ phys = <&dphy0>;
+ phy-names = "dphy";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ csi0_port0: port@0 {
+ reg = <0>;
+ status = "disabled";
+ };
+
+ csi0_port1: port@1 {
+ reg = <1>;
+ status = "disabled";
+ };
+
+ csi0_port2: port@2 {
+ reg = <2>;
+ status = "disabled";
+ };
+
+ csi0_port3: port@3 {
+ reg = <3>;
+ status = "disabled";
+ };
+
+ csi0_port4: port@4 {
+ reg = <4>;
+ status = "disabled";
+ };
+ };
+ };
+ };
+
+ dphy0: phy@30110000 {
+ compatible = "cdns,dphy-rx";
+ reg = <0x00 0x30110000 0x00 0x1100>;
+ #phy-cells = <0>;
+ power-domains = <&k3_pds 185 TI_SCI_PD_EXCLUSIVE>;
+ status = "disabled";
+ };
};

--
2.42.1