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Message-Id: <20240130154035.6901-4-rogerq@kernel.org>
Date: Tue, 30 Jan 2024 17:40:35 +0200
From: Roger Quadros <rogerq@...nel.org>
To: nm@...com,
vigneshr@...com,
lee@...nel.org
Cc: afd@...com,
kristo@...nel.org,
robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org,
conor+dt@...nel.org,
srk@...com,
linux-arm-kernel@...ts.infradead.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Roger Quadros <rogerq@...nel.org>
Subject: [PATCH v2 3/3] arm64: dts: ti: k3-am62p: add the USB sub-system
There are two USB instances available on the am62p5 starter kit. Include
and enable them for use on the board.
Signed-off-by: Vignesh Raghavendra <vigneshr@...com>
Signed-off-by: Roger Quadros <rogerq@...nel.org>
---
Notes:
Changelog:
v2:
- added USB PHY CTRL node changes here
- changed USB wrapper node names to usb@
- changed Type-C chip node name to usb-power-control@
arch/arm64/boot/dts/ti/k3-am62p-main.dtsi | 46 ++++++++++++++
arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi | 10 +++
arch/arm64/boot/dts/ti/k3-am62p5-sk.dts | 67 +++++++++++++++++++++
3 files changed, 123 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi
index 4c51bae06b57..17d28390d587 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi
@@ -560,6 +560,52 @@ sdhci2: mmc@...0000 {
status = "disabled";
};
+ usbss0: usb@...0000 {
+ 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@...00000 {
+ 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";
+ };
+ };
+
+ usbss1: usb@...0000 {
+ 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@...00000 {
+ 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";
+ };
+ };
+
fss: bus@...0000 {
compatible = "simple-bus";
reg = <0x00 0x0fc00000 0x00 0x70000>;
diff --git a/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi
index 19f42b39394e..00dd38b02a52 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi
@@ -18,6 +18,16 @@ chipid: chipid@14 {
reg = <0x14 0x4>;
bootph-all;
};
+
+ usb0_phy_ctrl: syscon@...8 {
+ compatible = "ti,am62-usb-phy-ctrl", "syscon";
+ reg = <0x4008 0x4>;
+ };
+
+ usb1_phy_ctrl: syscon@...8 {
+ compatible = "ti,am62-usb-phy-ctrl", "syscon";
+ reg = <0x4018 0x4>;
+ };
};
wkup_uart0: serial@...00000 {
diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
index 1773c05f752c..80be56c0a4e0 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
@@ -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";
@@ -460,6 +498,35 @@ 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>;
--
2.34.1
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