ARM: dts: gemini: Enable DNS313 FOTG210 as periph

Add the GPIO-based VBUS phy, and enable the FOTG210
USB1 block for use as peripheral.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20230123073916.2350839-2-linus.walleij@linaro.org

diff --git a/arch/arm/boot/dts/gemini-dlink-dns-313.dts b/arch/arm/boot/dts/gemini-dlink-dns-313.dts
index fbbea13..138c47e 100644 (file)
--- a/arch/arm/boot/dts/gemini-dlink-dns-313.dts
+++ b/arch/arm/boot/dts/gemini-dlink-dns-313.dts
@@ -80,6 +80,15 @@
                #cooling-cells = <2>;
        };
 
+       /*
+        * This is the type B USB connector on the device,
+        * a GPIO-controlled USB VBUS detect
+        */
+       usb1_phy: phy {
+               compatible = "gpio-usb-b-connector", "usb-b-connector";
+               #phy-cells = <0>;
+               vbus-gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
+       };
 
        /* Global Mixed-Mode Technology G751 mounted on GPIO I2C */
        i2c {
@@ -302,5 +311,13 @@
                ide@63000000 {
                        status = "okay";
                };
+
+               usb@69000000 {
+                       status = "okay";
+                       dr_mode = "peripheral";
+                       usb-phy = <&usb1_phy>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&usb_default_pins>;
+               };
        };
 };

diff --git a/arch/arm/boot/dts/gemini.dtsi b/arch/arm/boot/dts/gemini.dtsi
index 966b193..befe322 100644 (file)
--- a/arch/arm/boot/dts/gemini.dtsi
+++ b/arch/arm/boot/dts/gemini.dtsi
@@ -455,6 +455,8 @@
                         */
                        pinctrl-names = "default";
                        pinctrl-0 = <&usb_default_pins>;
+                       /* Default to host mode */
+                       dr_mode = "host";
                        syscon = <&syscon>;
                        status = "disabled";
                };