From c39398420253f736e43673fed0d1a4c830922b71 Mon Sep 17 00:00:00 2001
From: Artemis Tosini <me@artem.ist>
Date: Mon, 4 Dec 2023 23:54:20 +0000
Subject: [PATCH] smolder: add USB PD overlay but don't use it because it
 causes reset

---
 system/smolder/usbc.dts | 61 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 system/smolder/usbc.dts

diff --git a/system/smolder/usbc.dts b/system/smolder/usbc.dts
new file mode 100644
index 0000000..89768f7
--- /dev/null
+++ b/system/smolder/usbc.dts
@@ -0,0 +1,61 @@
+/* Based on commit 8f64d6bcf306fa5b5de66fdee2458cb584a78b2e by Sebastian Reichel */
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+#include <dt-bindings/usb/pd.h>
+
+/ {
+	compatible = "radxa,rock-5b";
+
+	vcc12v_dcin: vcc12v-dcin-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc12v_dcin";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+	};
+};
+
+&vcc3v3_pcie2x1l0 {
+	vin-supply = <&vcc12v_dcin>;
+};
+
+&i2c4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c4m1_xfer>;
+	status = "okay";
+
+	usbc0: usb-typec@22 {
+		compatible = "fcs,fusb302";
+		reg = <0x22>;
+		interrupt-parent = <&gpio3>;
+		interrupts = <RK_PB4 IRQ_TYPE_LEVEL_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&usbc0_int>;
+		vbus-supply = <&vcc12v_dcin>;
+		status = "okay";
+
+		usb_con: connector {
+			compatible = "usb-c-connector";
+			label = "USB-C";
+			power-role = "sink";
+			try-power-role = "sink";
+			op-sink-microwatt = <1000000>;
+			sink-pdos =
+				<PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>,
+				<PDO_VAR(5000, 20000, 5000)>;
+		};
+	};
+};
+
+&pinctrl {
+	usb {
+		usbc0_int: usbc0-int {
+			rockchip,pins = <3 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+	};
+};