linux-kernel - [PATCH 7/7] ARM: suniv: f1c100s: enable USB on Lichee Pi Nano

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Message-Id: <20220608070452.338006-8-uwu@icenowy.me>
Date:   Wed,  8 Jun 2022 15:04:52 +0800
From:   Icenowy Zheng <uwu@...nowy.me>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Bin Liu <b-liu@...com>
Cc:     linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev, linux-usb@...r.kernel.org,
        Icenowy Zheng <icenowy@...c.io>
Subject: [PATCH 7/7] ARM: suniv: f1c100s: enable USB on Lichee Pi Nano

From: Icenowy Zheng <icenowy@...c.io>

Lichee Pi Nano has a Micro-USB connector, with its D+, D- pins connected
to the USB pins of the SoC and ID pin connected to PE2 GPIO.

Enable the USB functionality.

Signed-off-by: Icenowy Zheng <icenowy@...c.io>
---
 .../arm/boot/dts/suniv-f1c100s-licheepi-nano.dts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/suniv-f1c100s-licheepi-nano.dts b/arch/arm/boot/dts/suniv-f1c100s-licheepi-nano.dts
index 04e59b8381cb..1935d8c8855b 100644
--- a/arch/arm/boot/dts/suniv-f1c100s-licheepi-nano.dts
+++ b/arch/arm/boot/dts/suniv-f1c100s-licheepi-nano.dts
@@ -6,6 +6,8 @@
 /dts-v1/;
 #include "suniv-f1c100s.dtsi"
 
+#include <dt-bindings/gpio/gpio.h>
+
 / {
 	model = "Lichee Pi Nano";
 	compatible = "licheepi,licheepi-nano", "allwinner,suniv-f1c100s";
@@ -50,8 +52,22 @@ flash@0 {
 	};
 };
 
+&otg_sram {
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pe_pins>;
 	status = "okay";
 };
+
+&usb_otg {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&usbphy {
+	usb0_id_det-gpio = <&pio 4 2 GPIO_ACTIVE_HIGH>; /* PE2 */
+	status = "okay";
+};
-- 
2.36.0