[v5,3/4] arm64: dts: ti: k3-am62p: add the USB sub-system
Commit Message
There are two USB instances available on the am62p5 starter kit. Include
and enable them for use on the board.
USB LPM feature is kept disabled as it is not supported.
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Andrew Davis <afd@ti.com>
---
Changelog:
v5 - disabled USB LPM feature as it is not supported.
v4 - no change. Added Andrew's Reviewed-by
https://lore.kernel.org/all/20240205135908.54656-4-rogerq@kernel.org/
v3 - no change
https://lore.kernel.org/all/20240201120332.4811-3-rogerq@kernel.org/
v2:
- moved am62p changes to next patch
- use new compatible for USB PHY CTRL node
---
arch/arm64/boot/dts/ti/k3-am62p-main.dtsi | 50 +++++++++++++++++++++
arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi | 10 +++++
arch/arm64/boot/dts/ti/k3-am62p5-sk.dts | 67 +++++++++++++++++++++++++++++
3 files changed, 127 insertions(+)
@@ -635,6 +635,56 @@ sdhci2: mmc@fa20000 {
status = "disabled";
};
+ usbss0: usb@f900000 {
+ compatible = "ti,am62-usb";
+ reg = <0x00 0x0f900000 0x00 0x800>;
+ clocks = <&k3_clks 161 3>;
+ clock-names = "ref";
+ ti,syscon-phy-pll-refclk = <&usb0_phy_ctrl 0x0>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ power-domains = <&k3_pds 178 TI_SCI_PD_EXCLUSIVE>;
+ ranges;
+ status = "disabled";
+
+ usb0: usb@31000000 {
+ compatible = "snps,dwc3";
+ reg = <0x00 0x31000000 0x00 0x50000>;
+ interrupts = <GIC_SPI 188 IRQ_TYPE_LEVEL_HIGH>, /* irq.0 */
+ <GIC_SPI 188 IRQ_TYPE_LEVEL_HIGH>; /* irq.0 */
+ interrupt-names = "host", "peripheral";
+ maximum-speed = "high-speed";
+ dr_mode = "otg";
+ snps,usb2-gadget-lpm-disable;
+ snps,usb2-lpm-disable;
+ };
+ };
+
+ usbss1: usb@f910000 {
+ compatible = "ti,am62-usb";
+ reg = <0x00 0x0f910000 0x00 0x800>;
+ clocks = <&k3_clks 162 3>;
+ clock-names = "ref";
+ ti,syscon-phy-pll-refclk = <&usb1_phy_ctrl 0x0>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ power-domains = <&k3_pds 179 TI_SCI_PD_EXCLUSIVE>;
+ ranges;
+ status = "disabled";
+
+ usb1: usb@31100000 {
+ compatible = "snps,dwc3";
+ reg = <0x00 0x31100000 0x00 0x50000>;
+ interrupts = <GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH>, /* irq.0 */
+ <GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH>; /* irq.0 */
+ interrupt-names = "host", "peripheral";
+ maximum-speed = "high-speed";
+ dr_mode = "otg";
+ snps,usb2-gadget-lpm-disable;
+ snps,usb2-lpm-disable;
+ };
+ };
+
fss: bus@fc00000 {
compatible = "simple-bus";
reg = <0x00 0x0fc00000 0x00 0x70000>;
@@ -18,6 +18,16 @@ chipid: chipid@14 {
reg = <0x14 0x4>;
bootph-all;
};
+
+ usb0_phy_ctrl: syscon@4008 {
+ compatible = "ti,am62-usb-phy-ctrl", "syscon";
+ reg = <0x4008 0x4>;
+ };
+
+ usb1_phy_ctrl: syscon@4018 {
+ compatible = "ti,am62-usb-phy-ctrl", "syscon";
+ reg = <0x4018 0x4>;
+ };
};
wkup_uart0: serial@2b300000 {
@@ -27,6 +27,8 @@ aliases {
spi0 = &ospi0;
ethernet0 = &cpsw_port1;
ethernet1 = &cpsw_port2;
+ usb0 = &usb0;
+ usb1 = &usb1;
};
chosen {
@@ -297,6 +299,12 @@ AM62PX_IOPAD(0x01b0, PIN_OUTPUT, 2) /* (G20) MCASP0_ACLKR.UART1_TXD */
bootph-all;
};
+ main_usb1_pins_default: main-usb1-default-pins {
+ pinctrl-single,pins = <
+ AM62PX_IOPAD(0x0258, PIN_INPUT, 0) /* (G21) USB1_DRVVBUS */
+ >;
+ };
+
main_wlirq_pins_default: main-wlirq-default-pins {
pinctrl-single,pins = <
AM62PX_IOPAD(0x0128, PIN_INPUT, 7) /* (K25) MMC2_SDWP.GPIO0_72 */
@@ -340,6 +348,36 @@ AM62PX_IOPAD(0x0124, PIN_INPUT, 7) /* (J25) MMC2_SDCD.GPIO0_71 */
};
};
+&main_i2c0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_i2c0_pins_default>;
+ clock-frequency = <400000>;
+
+ typec_pd0: usb-power-controller@3f {
+ compatible = "ti,tps6598x";
+ reg = <0x3f>;
+
+ connector {
+ compatible = "usb-c-connector";
+ label = "USB-C";
+ self-powered;
+ data-role = "dual";
+ power-role = "sink";
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+ usb_con_hs: endpoint {
+ remote-endpoint = <&usb0_hs_ep>;
+ };
+ };
+ };
+ };
+ };
+};
+
&main_i2c1 {
status = "okay";
pinctrl-names = "default";
@@ -463,6 +501,35 @@ cpsw3g_phy1: ethernet-phy@1 {
};
};
+&usbss0 {
+ status = "okay";
+ ti,vbus-divider;
+};
+
+&usbss1 {
+ status = "okay";
+ ti,vbus-divider;
+};
+
+&usb0 {
+ usb-role-switch;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ usb0_hs_ep: endpoint {
+ remote-endpoint = <&usb_con_hs>;
+ };
+ };
+};
+
+&usb1 {
+ dr_mode = "host";
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_usb1_pins_default>;
+};
+
&mcasp1 {
status = "okay";
#sound-dai-cells = <0>;