From: Dmitry Rokosov <ddrokosov@sberdevices.ru>
Date: Wed, 23 Aug 2023 21:36:21 +0000 (+0300)
Subject: arm64: dts: meson: a1: support USB controller in OTG mode
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=d3261b54364858e9b410cdf0b9016abfaacd380a;p=linux.git

arm64: dts: meson: a1: support USB controller in OTG mode

Amlogic A1 SoC family has USB2.0 controller based on dwc2 and dwc3
heads. It supports otg/host/peripheral modes.

Signed-off-by: Yue Wang <yue.wang@amlogic.com>
Signed-off-by: Hanjie Lin <hanjie.lin@amlogic.com>
Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230823213630.12936-7-ddrokosov@sberdevices.ru
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
---

diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
index 9aca885013c1..2dd6ee074b2d 100644
--- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
@@ -8,6 +8,8 @@
 #include <dt-bindings/gpio/meson-a1-gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/power/meson-a1-power.h>
+#include <dt-bindings/reset/amlogic,meson-a1-reset.h>
 
 / {
 	compatible = "amlogic,a1";
@@ -152,6 +154,17 @@
 				status = "disabled";
 			};
 
+			usb2_phy1: phy@4000 {
+				compatible = "amlogic,a1-usb2-phy";
+				clocks = <&clkc_periphs CLKID_USB_PHY_IN>;
+				clock-names = "xtal";
+				reg = <0x0 0x4000 0x0 0x60>;
+				resets = <&reset RESET_USBPHY>;
+				reset-names = "phy";
+				#phy-cells = <0>;
+				power-domains = <&pwrc PWRC_USB_ID>;
+			};
+
 			clkc_pll: pll-clock-controller@7c80 {
 				compatible = "amlogic,a1-pll-clkc";
 				reg = <0 0x7c80 0 0x18c>;
@@ -162,6 +175,52 @@
 			};
 		};
 
+		usb: usb@fe004400 {
+			status = "disabled";
+			compatible = "amlogic,meson-a1-usb-ctrl";
+			reg = <0x0 0xfe004400 0x0 0xa0>;
+			interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+
+			clocks = <&clkc_periphs CLKID_USB_CTRL>,
+				 <&clkc_periphs CLKID_USB_BUS>,
+				 <&clkc_periphs CLKID_USB_CTRL_IN>;
+			clock-names = "usb_ctrl", "usb_bus", "xtal_usb_ctrl";
+			resets = <&reset RESET_USBCTRL>;
+			reset-name = "usb_ctrl";
+
+			dr_mode = "otg";
+
+			phys = <&usb2_phy1>;
+			phy-names = "usb2-phy1";
+
+			dwc3: usb@ff400000 {
+				compatible = "snps,dwc3";
+				reg = <0x0 0xff400000 0x0 0x100000>;
+				interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
+				dr_mode = "host";
+				snps,dis_u2_susphy_quirk;
+				snps,quirk-frame-length-adjustment = <0x20>;
+				snps,parkmode-disable-ss-quirk;
+			};
+
+			dwc2: usb@ff500000 {
+				compatible = "amlogic,meson-a1-usb", "snps,dwc2";
+				reg = <0x0 0xff500000 0x0 0x40000>;
+				interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
+				phys = <&usb2_phy1>;
+				phy-names = "usb2-phy";
+				clocks = <&clkc_periphs CLKID_USB_PHY>;
+				clock-names = "otg";
+				dr_mode = "peripheral";
+				g-rx-fifo-size = <192>;
+				g-np-tx-fifo-size = <128>;
+				g-tx-fifo-size = <128 128 16 16 16>;
+			};
+		};
+
 		gic: interrupt-controller@ff901000 {
 			compatible = "arm,gic-400";
 			reg = <0x0 0xff901000 0x0 0x1000>,