From: Aswath Govindraju <[email protected]>
AM62 SoC has two instances of USB and they are brought on to the board
in the following way,
-> USB0 instance
- This is brought out to a USB TypeC connector on board through TPS6598 PD
controller. The PD controller should decide the role based on CC pin in
the connector. Unfortunately the irq line for the TPS isn't hooked up
which is a mode not yet support by the driver (some patches were
submitted earlier this year[0]). So for now the PD controller is left
out and periphal mode chosen.
-> USB1 instance
- This is brought out to a USB TypeA connector on board.
Therefore, add the required device tree support for the above in the board
dts file.
0: https://lore.kernel.org/lkml/[email protected]/T/
Signed-off-by: Aswath Govindraju <[email protected]>
Signed-off-by: Vignesh Raghavendra <[email protected]>
[merge from vendor bsp, drop TPS6598 support, reword commit message]
Signed-off-by: Sjoerd Simons <[email protected]>
---
Changes in v2:
- Rebase against linux-next 20221220
arch/arm64/boot/dts/ti/k3-am625-sk.dts | 50 ++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
index 4f179b146cab..c82a0ebf6772 100644
--- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
@@ -24,6 +24,8 @@ aliases {
spi0 = &ospi0;
ethernet0 = &cpsw_port1;
ethernet1 = &cpsw_port2;
+ usb0 = &usb0;
+ usb1 = &usb1;
};
chosen {
@@ -284,6 +286,12 @@ main_gpio1_ioexp_intr_pins_default: main-gpio1-ioexp-intr-pins-default {
AM62X_IOPAD(0x01d4, PIN_INPUT, 7) /* (B15) UART0_RTSn.GPIO1_23 */
>;
};
+
+ main_usb1_pins_default: main-usb1-pins-default {
+ pinctrl-single,pins = <
+ AM62X_IOPAD(0x0258, PIN_OUTPUT, 0) /* (F18) USB1_DRVVBUS */
+ >;
+ };
};
&wkup_uart0 {
@@ -464,3 +472,45 @@ partition@3fc0000 {
};
};
};
+
+&ecap0 {
+ status = "disabled";
+};
+
+&ecap1 {
+ status = "disabled";
+};
+
+&ecap2 {
+ status = "disabled";
+};
+
+&main_mcan0 {
+ status = "disabled";
+};
+
+&epwm0 {
+ status = "disabled";
+};
+
+&epwm1 {
+ status = "disabled";
+};
+
+&epwm2 {
+ status = "disabled";
+};
+
+&usbss0 {
+ ti,vbus-divider;
+};
+
+&usb0 {
+ dr_mode = "peripheral";
+};
+
+&usb1 {
+ dr_mode = "host";
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_usb1_pins_default>;
+};
--
2.39.0