On 4/29/24 7:09 AM, Ravi Gunasekaran wrote:
USB1 controller on J722S and AM62P are from different vendors.
Redefine the USB1 node description for J722S by deleting the
node inherited from AM62P dtsi.
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-j722s.dtsi | 39 ++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j722s.dtsi b/arch/arm64/boot/dts/ti/k3-j722s.dtsi
index beba5a3ea6cc..90725eeb3178 100644
--- a/arch/arm64/boot/dts/ti/k3-j722s.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j722s.dtsi
@@ -13,6 +13,13 @@
#include "k3-am62p5.dtsi"
+/*
+ * USB1 controller on AM62P and J722S are of different IP.
+ * Delete AM62P's USBSS1 node definition and redefine it for J722S.
+ */
+
+/delete-node/ &usbss1;
+
/ {
model = "Texas Instruments K3 J722S SoC";
compatible = "ti,j722s";
@@ -120,6 +127,38 @@
status = "disabled"; /* Needs lane config */
};
};
+
+ usbss1: cdns-usb@f920000 {
MAIN domain items are defined in -main.dtsi files, for instance the
USB node you are overriding was defined in k3-am62p-main.dtsi.
This should go in a file named k3-j722s-main.dtsi.
Andrew
+ compatible = "ti,j721e-usb";
+ reg = <0x00 0x0f920000 0x00 0x100>;
+ ranges;
+ power-domains = <&k3_pds 278 TI_SCI_PD_EXCLUSIVE>;
+ clocks = <&k3_clks 278 3>, <&k3_clks 278 1>;
+ clock-names = "ref", "lpm";
+ assigned-clocks = <&k3_clks 278 3>; /* USB2_REFCLK */
+ assigned-clock-parents = <&k3_clks 278 4>; /* HF0SC0 */
+ #address-cells = <2>;
+ #size-cells = <2>;
+ status = "disabled";
+
+ usb1: usb@31200000{
+ compatible = "cdns,usb3";
+ reg = <0x00 0x31200000 0x00 0x10000>,
+ <0x00 0x31210000 0x00 0x10000>,
+ <0x00 0x31220000 0x00 0x10000>;
+ reg-names = "otg",
+ "xhci",
+ "dev";
+ interrupts = <GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH>, /* irq.0 */
+ <GIC_SPI 232 IRQ_TYPE_LEVEL_HIGH>, /* irq.6 */
+ <GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>; /* otgirq */
+ interrupt-names = "host",
+ "peripheral",
+ "otg";
+ maximum-speed = "super-speed";
+ dr_mode = "otg";
+ };
+ };
};
/* Main domain overrides */
