[PATCH v2 1/2] arm64: dts: ti: k3-j784s4-main: Add support for USB

From: Ravi Gunasekaran
Date: Mon May 06 2024 - 01:21:42 EST


From: Matt Ranostay <mranostay@xxxxxx>

Add support for the USB 3.0 controller

Signed-off-by: Matt Ranostay <mranostay@xxxxxx>
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@xxxxxx>
---
Changes since v1:
----------------
* No change

v1: https://lore.kernel.org/all/20240502053615.29514-2-r-gunasekaran@xxxxxx/

arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 39 ++++++++++++++++++++++
1 file changed, 39 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
index 6a4554c6c9c1..51cdd0b56a6f 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
@@ -75,6 +75,13 @@
<J784S4_SERDES4_LANE2_EDP_LANE2>,
<J784S4_SERDES4_LANE3_EDP_LANE3>;
};
+
+ usb_serdes_mux: mux-controller@4000 {
+ compatible = "reg-mux";
+ reg = <0x4000 0x4>;
+ #mux-control-cells = <1>;
+ mux-reg-masks = <0x0 0x8000000>; /* USB0 to SERDES0 lane 3 mux */
+ };
};

gic500: interrupt-controller@1800000 {
@@ -568,6 +575,38 @@
status = "disabled";
};

+ usbss0: cdns-usb@4104000 {
+ bootph-all;
+ compatible = "ti,j721e-usb";
+ reg = <0x00 0x4104000 0x00 0x100>;
+ dma-coherent;
+ power-domains = <&k3_pds 398 TI_SCI_PD_EXCLUSIVE>;
+ clocks = <&k3_clks 398 21>, <&k3_clks 398 2>;
+ clock-names = "ref", "lpm";
+ assigned-clocks = <&k3_clks 398 21>; /* USB2_REFCLK */
+ assigned-clock-parents = <&k3_clks 398 22>; /* HFOSC0 */
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ status = "disabled"; /* Needs lane config */
+
+ usb0: usb@6000000 {
+ bootph-all;
+ compatible = "cdns,usb3";
+ reg = <0x00 0x6000000 0x00 0x10000>,
+ <0x00 0x6010000 0x00 0x10000>,
+ <0x00 0x6020000 0x00 0x10000>;
+ reg-names = "otg", "xhci", "dev";
+ interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>, /* irq.0 */
+ <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>, /* irq.6 */
+ <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>; /* otgirq.0 */
+ interrupt-names = "host",
+ "peripheral",
+ "otg";
+ };
+ };
+
main_i2c0: i2c@2000000 {
compatible = "ti,j721e-i2c", "ti,omap4-i2c";
reg = <0x00 0x02000000 0x00 0x100>;
--
2.17.1