linux-kernel - [PATCH 1/2] arm64: dts: rockchip: add the usb3 nodes to rk356x

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Date:   Fri, 25 Feb 2022 11:09:42 +0100
From:   Michael Riesch <michael.riesch@...fvision.net>
To:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
        Michael Riesch <michael.riesch@...fvision.net>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Liang Chen <cl@...k-chips.com>,
        Peter Geis <pgwipeout@...il.com>,
        Johan Jonker <jbx6244@...il.com>,
        Simon Xue <xxm@...k-chips.com>,
        Yifeng Zhao <yifeng.zhao@...k-chips.com>,
        Nicolas Frattaroli <frattaroli.nicolas@...il.com>
Subject: [PATCH 1/2] arm64: dts: rockchip: add the usb3 nodes to rk356x

The Rockchip RK3566 and RK3568 feature two USB 3.0 xHCI controllers,
one of them with Dual Role Device (DRD) capability.

Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>
Signed-off-by: Michael Riesch <michael.riesch@...fvision.net>
---
 arch/arm64/boot/dts/rockchip/rk3568.dtsi |  5 ++
 arch/arm64/boot/dts/rockchip/rk356x.dtsi | 58 ++++++++++++++++++++++++
 2 files changed, 63 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568.dtsi b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
index 91a0b798b857..0cd4ef36066a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
@@ -116,3 +116,8 @@ power-domain@...568_PD_PIPE {
 		#power-domain-cells = <0>;
 	};
 };
+
+&usb_host0_dwc3 {
+	phys = <&usb2phy0_otg>, <&combphy0 PHY_TYPE_USB3>;
+	phy-names = "usb2-phy", "usb3-phy";
+};
diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
index 8b9fae3d348a..b46794486037 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -230,6 +230,64 @@ scmi_shmem: sram@0 {
 		};
 	};
 
+	usb_host0_xhci: usb@...00000 {
+		compatible = "rockchip,rk3399-dwc3";
+		#address-cells = <2>;
+		clocks = <&cru CLK_USB3OTG0_REF>, <&cru CLK_USB3OTG0_SUSPEND>,
+			 <&cru ACLK_USB3OTG0>, <&cru PCLK_PIPE>;
+		clock-names = "ref_clk", "suspend_clk", "bus_clk", "grf_clk";
+		ranges;
+		#size-cells = <2>;
+		status = "disabled";
+
+		usb_host0_dwc3: usb@...00000 {
+			compatible = "snps,dwc3";
+			reg = <0x0 0xfcc00000 0x0 0x400000>;
+			interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
+			dr_mode = "otg";
+			phy_type = "utmi_wide";
+			power-domains = <&power RK3568_PD_PIPE>;
+			resets = <&cru SRST_USB3OTG0>;
+			reset-names = "usb3-otg";
+			snps,dis-del-phy-power-chg-quirk;
+			snps,dis_enblslpm_quirk;
+			snps,dis_rxdet_inp3_quirk;
+			snps,dis-tx-ipgap-linecheck-quirk;
+			snps,dis-u2-freeclk-exists-quirk;
+			snps,xhci-trb-ent-quirk;
+		};
+	};
+
+	usb_host1_xhci: usb@...00000 {
+		compatible = "rockchip,rk3399-dwc3";
+		#address-cells = <2>;
+		clocks = <&cru CLK_USB3OTG1_REF>, <&cru CLK_USB3OTG1_SUSPEND>,
+			 <&cru ACLK_USB3OTG1>, <&cru PCLK_PIPE>;
+		clock-names = "ref_clk", "suspend_clk", "bus_clk", "grf_clk";
+		ranges;
+		#size-cells = <2>;
+		status = "disabled";
+
+		usb_host1_dwc3: usb@...00000 {
+			compatible = "snps,dwc3";
+			reg = <0x0 0xfd000000 0x0 0x400000>;
+			interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>;
+			dr_mode = "host";
+			phy_type = "utmi_wide";
+			phys = <&usb2phy0_host>, <&combphy1 PHY_TYPE_USB3>;
+			phy-names = "usb2-phy", "usb3-phy";
+			power-domains = <&power RK3568_PD_PIPE>;
+			resets = <&cru SRST_USB3OTG1>;
+			reset-names = "usb3-host";
+			snps,dis-del-phy-power-chg-quirk;
+			snps,dis_enblslpm_quirk;
+			snps,dis_rxdet_inp3_quirk;
+			snps,dis-tx-ipgap-linecheck-quirk;
+			snps,dis-u2-freeclk-exists-quirk;
+			snps,xhci-trb-ent-quirk;
+		};
+	};
+
 	gic: interrupt-controller@...00000 {
 		compatible = "arm,gic-v3";
 		reg = <0x0 0xfd400000 0 0x10000>, /* GICD */
-- 
2.30.2