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Date:   Mon, 18 Feb 2019 19:23:10 +0800
From:   Yu Chen <chenyu56@...wei.com>
To:     <linux-usb@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     <john.stultz@...aro.org>, <suzhuangluan@...ilicon.com>,
        <kongfei@...ilicon.com>, <liuyu712@...ilicon.com>,
        <wanghu17@...ilicon.com>, <butao@...ilicon.com>,
        <chenyao11@...wei.com>, <fangshengzhou@...ilicon.com>,
        <lipengcheng8@...wei.com>, <songxiaowei@...ilicon.com>,
        <xuyiping@...ilicon.com>, <xuyoujun4@...wei.com>,
        <yudongbin@...ilicon.com>, <zangleigang@...ilicon.com>,
        Yu Chen <chenyu56@...wei.com>, Wei Xu <xuwei5@...ilicon.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        <linux-arm-kernel@...ts.infradead.org>,
        Binghui Wang <wangbinghui@...ilicon.com>
Subject: [PATCH v2 10/10] dts: hi3660: Add support for usb on Hikey960

This patch adds support for usb on Hikey960.

Cc: Wei Xu <xuwei5@...ilicon.com>
Cc: Rob Herring <robh+dt@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: John Stultz <john.stultz@...aro.org>
Cc: Binghui Wang <wangbinghui@...ilicon.com>
Signed-off-by: Yu Chen <chenyu56@...wei.com>
---
v2:
* Remove device_type property.
* Add property "usb-role-switch".
---
---
 arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts | 54 +++++++++++++++++
 arch/arm64/boot/dts/hisilicon/hi3660.dtsi         | 73 +++++++++++++++++++++++
 2 files changed, 127 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
index 46435466f1ab..2cada9d44046 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
@@ -13,6 +13,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/usb/pd.h>
 
 / {
 	model = "HiKey960";
@@ -196,6 +197,27 @@
 			method = "smc";
 		};
 	};
+
+	hisi_hikey_usb: hisi_hikey_usb {
+		compatible = "hisilicon,hikey960_usb";
+		typec-vbus-gpios = <&gpio25 2 0>;
+		typec-vbus-enable-val = <1>;
+		otg-switch-gpios = <&gpio25 6 0>;
+		hub-vdd33-en-gpios = <&gpio5 6 0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&usbhub5734_pmx_func>;
+
+		port {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			hikey_usb_ep: endpoint@0 {
+				reg = <0>;
+				remote-endpoint = <&dwc3_role_switch_notify>;
+			};
+		};
+	};
+
 };
 
 /*
@@ -526,6 +548,38 @@
 &i2c1 {
 	status = "okay";
 
+	rt1711h: rt1711h@4e {
+		compatible = "richtek,rt1711h";
+		reg = <0x4e>;
+		status = "ok";
+		interrupt-parent = <&gpio27>;
+		interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&usb_cfg_func>;
+
+		usb_con: connector {
+			compatible = "usb-c-connector";
+			label = "USB-C";
+			data-role = "dual";
+			power-role = "dual";
+			try-power-role = "sink";
+			source-pdos = <PDO_FIXED(5000, 500, PDO_FIXED_USB_COMM)>;
+			sink-pdos = <PDO_FIXED(5000, 500, PDO_FIXED_USB_COMM)
+				PDO_VAR(5000, 5000, 1000)>;
+			op-sink-microwatt = <10000000>;
+		};
+
+		port {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			rt1711h_ep: endpoint@0 {
+				reg = <0>;
+				remote-endpoint = <&dwc3_role_switch>;
+			};
+		};
+	};
+
 	adv7533: adv7533@39 {
 		status = "ok";
 		compatible = "adi,adv7533";
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
index 20ae40df61d5..a2808c53c538 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
@@ -355,6 +355,12 @@
 			#clock-cells = <1>;
 		};
 
+		pmctrl: pmctrl@...31000 {
+			compatible = "hisilicon,hi3660-pmctrl", "syscon";
+			reg = <0x0 0xfff31000 0x0 0x1000>;
+			#clock-cells = <1>;
+		};
+
 		pmuctrl: crg_ctrl@...34000 {
 			compatible = "hisilicon,hi3660-pmuctrl", "syscon";
 			reg = <0x0 0xfff34000 0x0 0x1000>;
@@ -1134,5 +1140,72 @@
 				};
 			};
 		};
+
+		usb3_otg_bc: usb3_otg_bc@...00000 {
+			compatible = "syscon";
+			reg = <0x0 0xff200000 0x0 0x1000>;
+		};
+
+		usb_phy: usb-phy {
+			compatible = "hisilicon,hi3660-usb-phy";
+			#phy-cells = <0>;
+			hisilicon,pericrg-syscon = <&crg_ctrl>;
+			hisilicon,pctrl-syscon = <&pctrl>;
+			hisilicon,usb3-otg-bc-syscon = <&usb3_otg_bc>;
+			hisilicon,eye-diagram-param = <0x22466e4>;
+		};
+
+		usb3: hisi_dwc3 {
+			compatible = "hisilicon,hi3660-dwc3";
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+
+			clocks = <&crg_ctrl HI3660_CLK_ABB_USB>,
+				 <&crg_ctrl HI3660_ACLK_GATE_USB3OTG>;
+			clock-names = "clk_usb3phy_ref", "aclk_usb3otg";
+
+			assigned-clocks = <&crg_ctrl HI3660_ACLK_GATE_USB3OTG>;
+			assigned-clock-rates = <229000000>;
+			resets = <&crg_rst 0x90 8>,
+				 <&crg_rst 0x90 7>,
+				 <&crg_rst 0x90 6>,
+				 <&crg_rst 0x90 5>;
+
+			dwc3: dwc3@...00000 {
+				compatible = "snps,dwc3";
+				reg = <0x0 0xff100000 0x0 0x100000>;
+				interrupts = <0 159 4>, <0 161 4>;
+				phys = <&usb_phy>;
+				phy-names = "usb3-phy";
+				dr_mode = "otg";
+				maximum-speed = "super-speed";
+				phy_type = "utmi";
+				snps,dis-del-phy-power-chg-quirk;
+				snps,lfps_filter_quirk;
+				snps,dis_u2_susphy_quirk;
+				snps,dis_u3_susphy_quirk;
+				snps,tx_de_emphasis_quirk;
+				snps,tx_de_emphasis = <1>;
+				snps,dis_enblslpm_quirk;
+				snps,gctl-reset-quirk;
+				usb-role-switch;
+
+				port {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					dwc3_role_switch: endpoint@0 {
+						reg = <0>;
+						remote-endpoint = <&rt1711h_ep>;
+					};
+
+					dwc3_role_switch_notify: endpoint@1 {
+						reg = <1>;
+						remote-endpoint = <&hikey_usb_ep>;
+					};
+				};
+			};
+		};
 	};
 };
-- 
2.15.0-rc2

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