linux-kernel - [PATCH v1 2/2] arm64: dts: rockchip: rk3588s: Add USB3 host controller

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Message-Id: <20230719174015.68153-3-sebastian.reichel@collabora.com>
Date:   Wed, 19 Jul 2023 19:40:15 +0200
From:   Sebastian Reichel <sebastian.reichel@...labora.com>
To:     Heiko Stuebner <heiko@...ech.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-rockchip@...ts.infradead.org, linux-usb@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Sebastian Reichel <sebastian.reichel@...labora.com>,
        kernel@...labora.com
Subject: [PATCH v1 2/2] arm64: dts: rockchip: rk3588s: Add USB3 host controller

RK3588 has three USB3 controllers. One of them is host-only and uses
the naneng-combphy. The other two are dual-role and using a different
PHY that is not yet supported upstream.

Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
---
 arch/arm64/boot/dts/rockchip/rk3588s.dtsi | 29 +++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
index b9b509257aaa..416581dd3bb5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
@@ -443,6 +443,35 @@ usb_host1_ohci: usb@...c0000 {
 		status = "disabled";
 	};
 
+	usbhost3_0: usb@...00000 {
+		compatible = "rockchip,rk3588-dwc3-host", "rockchip,rk3399-dwc3";
+		clocks = <&cru REF_CLK_USB3OTG2>, <&cru SUSPEND_CLK_USB3OTG2>,
+			 <&cru ACLK_USB3OTG2>, <&cru CLK_UTMI_OTG2>,
+			 <&cru PCLK_PHP_ROOT>, <&cru CLK_PIPEPHY2_PIPE_U3_G>;
+		clock-names = "ref", "suspend", "bus", "utmi", "php", "pipe";
+		ranges;
+		resets = <&cru SRST_A_USB3OTG2>;
+		reset-names = "usb3-host";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		status = "disabled";
+
+		usbhost_dwc3_0: usb@...00000 {
+			compatible = "snps,dwc3";
+			reg = <0x0 0xfcd00000 0x0 0x400000>;
+			interrupts = <GIC_SPI 222 IRQ_TYPE_LEVEL_HIGH 0>;
+			dr_mode = "host";
+			phys = <&combphy2_psu PHY_TYPE_USB3>;
+			phy-names = "usb3-phy";
+			phy_type = "utmi_wide";
+			snps,dis_enblslpm_quirk;
+			snps,dis-u2-freeclk-exists-quirk;
+			snps,dis-del-phy-power-chg-quirk;
+			snps,dis-tx-ipgap-linecheck-quirk;
+			snps,dis_rxdet_inp3_quirk;
+		};
+	};
+
 	sys_grf: syscon@...8c000 {
 		compatible = "rockchip,rk3588-sys-grf", "syscon";
 		reg = <0x0 0xfd58c000 0x0 0x1000>;
-- 
2.40.1