usb: Add MediaTek USB3 DRD driver

This patch adds support for the MediaTek USB3 controller
integrated into MT8173. It currently supports High-Speed
Peripheral Only mode.

Super-Speed Peripheral, Dual-Role Device and Host Only (xHCI)
modes will be added in the next patchs.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 440 insertions, 0 deletions

diff --git a/drivers/usb/mtu3/mtu3_hw_regs.h b/drivers/usb/mtu3/mtu3_hw_regs.h
new file mode 100644
index 000000000000..08c83c5f6109
--- /dev/null
+++ b/drivers/usb/mtu3/mtu3_hw_regs.h
@@ -0,0 +1,440 @@
+/*
+ * mtu3_hw_regs.h - MediaTek USB3 DRD register and field definitions
+ *
+ * Copyright (C) 2016 MediaTek Inc.
+ *
+ * Author: Chunfeng Yun <chunfeng.yun@mediatek.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _SSUSB_HW_REGS_H_
+#define _SSUSB_HW_REGS_H_
+
+/* segment offset of MAC register */
+#define SSUSB_DEV_BASE		0x0000
+#define SSUSB_EPCTL_CSR_BASE	0x0800
+#define SSUSB_USB3_MAC_CSR_BASE	0x1400
+#define SSUSB_USB3_SYS_CSR_BASE	0x1400
+#define SSUSB_USB2_CSR_BASE	0x2400
+
+/* IPPC register in Infra */
+#define SSUSB_SIFSLV_IPPC_BASE	0x0000
+
+/* --------------- SSUSB_DEV REGISTER DEFINITION --------------- */
+
+#define U3D_LV1ISR		(SSUSB_DEV_BASE + 0x0000)
+#define U3D_LV1IER		(SSUSB_DEV_BASE + 0x0004)
+#define U3D_LV1IESR		(SSUSB_DEV_BASE + 0x0008)
+#define U3D_LV1IECR		(SSUSB_DEV_BASE + 0x000C)
+
+#define U3D_EPISR		(SSUSB_DEV_BASE + 0x0080)
+#define U3D_EPIER		(SSUSB_DEV_BASE + 0x0084)
+#define U3D_EPIESR		(SSUSB_DEV_BASE + 0x0088)
+#define U3D_EPIECR		(SSUSB_DEV_BASE + 0x008C)
+
+#define U3D_EP0CSR		(SSUSB_DEV_BASE + 0x0100)
+#define U3D_RXCOUNT0		(SSUSB_DEV_BASE + 0x0108)
+#define U3D_RESERVED		(SSUSB_DEV_BASE + 0x010C)
+#define U3D_TX1CSR0		(SSUSB_DEV_BASE + 0x0110)
+#define U3D_TX1CSR1		(SSUSB_DEV_BASE + 0x0114)
+#define U3D_TX1CSR2		(SSUSB_DEV_BASE + 0x0118)
+
+#define U3D_RX1CSR0		(SSUSB_DEV_BASE + 0x0210)
+#define U3D_RX1CSR1		(SSUSB_DEV_BASE + 0x0214)
+#define U3D_RX1CSR2		(SSUSB_DEV_BASE + 0x0218)
+
+#define U3D_FIFO0		(SSUSB_DEV_BASE + 0x0300)
+
+#define U3D_QCR0		(SSUSB_DEV_BASE + 0x0400)
+#define U3D_QCR1		(SSUSB_DEV_BASE + 0x0404)
+#define U3D_QCR2		(SSUSB_DEV_BASE + 0x0408)
+#define U3D_QCR3		(SSUSB_DEV_BASE + 0x040C)
+
+#define U3D_TXQCSR1		(SSUSB_DEV_BASE + 0x0510)
+#define U3D_TXQSAR1		(SSUSB_DEV_BASE + 0x0514)
+#define U3D_TXQCPR1		(SSUSB_DEV_BASE + 0x0518)
+
+#define U3D_RXQCSR1		(SSUSB_DEV_BASE + 0x0610)
+#define U3D_RXQSAR1		(SSUSB_DEV_BASE + 0x0614)
+#define U3D_RXQCPR1		(SSUSB_DEV_BASE + 0x0618)
+#define U3D_RXQLDPR1		(SSUSB_DEV_BASE + 0x061C)
+
+#define U3D_QISAR0		(SSUSB_DEV_BASE + 0x0700)
+#define U3D_QIER0		(SSUSB_DEV_BASE + 0x0704)
+#define U3D_QIESR0		(SSUSB_DEV_BASE + 0x0708)
+#define U3D_QIECR0		(SSUSB_DEV_BASE + 0x070C)
+#define U3D_QISAR1		(SSUSB_DEV_BASE + 0x0710)
+#define U3D_QIER1		(SSUSB_DEV_BASE + 0x0714)
+#define U3D_QIESR1		(SSUSB_DEV_BASE + 0x0718)
+#define U3D_QIECR1		(SSUSB_DEV_BASE + 0x071C)
+
+#define U3D_TQERRIR0		(SSUSB_DEV_BASE + 0x0780)
+#define U3D_TQERRIER0		(SSUSB_DEV_BASE + 0x0784)
+#define U3D_TQERRIESR0		(SSUSB_DEV_BASE + 0x0788)
+#define U3D_TQERRIECR0		(SSUSB_DEV_BASE + 0x078C)
+#define U3D_RQERRIR0		(SSUSB_DEV_BASE + 0x07C0)
+#define U3D_RQERRIER0		(SSUSB_DEV_BASE + 0x07C4)
+#define U3D_RQERRIESR0		(SSUSB_DEV_BASE + 0x07C8)
+#define U3D_RQERRIECR0		(SSUSB_DEV_BASE + 0x07CC)
+#define U3D_RQERRIR1		(SSUSB_DEV_BASE + 0x07D0)
+#define U3D_RQERRIER1		(SSUSB_DEV_BASE + 0x07D4)
+#define U3D_RQERRIESR1		(SSUSB_DEV_BASE + 0x07D8)
+#define U3D_RQERRIECR1		(SSUSB_DEV_BASE + 0x07DC)
+
+#define U3D_CAP_EP0FFSZ		(SSUSB_DEV_BASE + 0x0C04)
+#define U3D_CAP_EPNTXFFSZ	(SSUSB_DEV_BASE + 0x0C08)
+#define U3D_CAP_EPNRXFFSZ	(SSUSB_DEV_BASE + 0x0C0C)
+#define U3D_CAP_EPINFO		(SSUSB_DEV_BASE + 0x0C10)
+#define U3D_MISC_CTRL		(SSUSB_DEV_BASE + 0x0C84)
+
+/*---------------- SSUSB_DEV FIELD DEFINITION ---------------*/
+
+/* U3D_LV1ISR */
+#define EP_CTRL_INTR		BIT(5)
+#define MAC2_INTR		BIT(4)
+#define DMA_INTR		BIT(3)
+#define MAC3_INTR		BIT(2)
+#define QMU_INTR		BIT(1)
+#define BMU_INTR		BIT(0)
+
+/* U3D_LV1IECR */
+#define LV1IECR_MSK		GENMASK(31, 0)
+
+/* U3D_EPISR */
+#define EPRISR(x)		(BIT(16) << (x))
+#define EPTISR(x)		(BIT(0) << (x))
+#define EP0ISR			BIT(0)
+
+/* U3D_EP0CSR */
+#define EP0_SENDSTALL		BIT(25)
+#define EP0_FIFOFULL		BIT(23)
+#define EP0_SENTSTALL		BIT(22)
+#define EP0_DPHTX		BIT(20)
+#define EP0_DATAEND		BIT(19)
+#define EP0_TXPKTRDY		BIT(18)
+#define EP0_SETUPPKTRDY		BIT(17)
+#define EP0_RXPKTRDY		BIT(16)
+#define EP0_MAXPKTSZ_MSK	GENMASK(9, 0)
+#define EP0_MAXPKTSZ(x)		((x) & EP0_MAXPKTSZ_MSK)
+#define EP0_W1C_BITS	(~(EP0_RXPKTRDY | EP0_SETUPPKTRDY | EP0_SENTSTALL))
+
+/* U3D_TX1CSR0 */
+#define TX_DMAREQEN		BIT(29)
+#define TX_FIFOFULL		BIT(25)
+#define TX_FIFOEMPTY		BIT(24)
+#define TX_SENTSTALL		BIT(22)
+#define TX_SENDSTALL		BIT(21)
+#define TX_TXPKTRDY		BIT(16)
+#define TX_TXMAXPKTSZ_MSK	GENMASK(10, 0)
+#define TX_TXMAXPKTSZ(x)	((x) & TX_TXMAXPKTSZ_MSK)
+#define TX_W1C_BITS		(~(TX_SENTSTALL))
+
+/* U3D_TX1CSR1 */
+#define TX_MULT(x)		(((x) & 0x3) << 22)
+#define TX_MAX_PKT(x)		(((x) & 0x3f) << 16)
+#define TX_SLOT(x)		(((x) & 0x3f) << 8)
+#define TX_TYPE(x)		(((x) & 0x3) << 4)
+#define TX_SS_BURST(x)		(((x) & 0xf) << 0)
+
+/* for TX_TYPE & RX_TYPE */
+#define TYPE_BULK		(0x0)
+#define TYPE_INT		(0x1)
+#define TYPE_ISO		(0x2)
+#define TYPE_MASK		(0x3)
+
+/* U3D_TX1CSR2 */
+#define TX_BINTERVAL(x)		(((x) & 0xff) << 24)
+#define TX_FIFOSEGSIZE(x)	(((x) & 0xf) << 16)
+#define TX_FIFOADDR(x)		(((x) & 0x1fff) << 0)
+
+/* U3D_RX1CSR0 */
+#define RX_DMAREQEN		BIT(29)
+#define RX_SENTSTALL		BIT(22)
+#define RX_SENDSTALL		BIT(21)
+#define RX_RXPKTRDY		BIT(16)
+#define RX_RXMAXPKTSZ_MSK	GENMASK(10, 0)
+#define RX_RXMAXPKTSZ(x)	((x) & RX_RXMAXPKTSZ_MSK)
+#define RX_W1C_BITS		(~(RX_SENTSTALL | RX_RXPKTRDY))
+
+/* U3D_RX1CSR1 */
+#define RX_MULT(x)		(((x) & 0x3) << 22)
+#define RX_MAX_PKT(x)		(((x) & 0x3f) << 16)
+#define RX_SLOT(x)		(((x) & 0x3f) << 8)
+#define RX_TYPE(x)		(((x) & 0x3) << 4)
+#define RX_SS_BURST(x)		(((x) & 0xf) << 0)
+
+/* U3D_RX1CSR2 */
+#define RX_BINTERVAL(x)		(((x) & 0xff) << 24)
+#define RX_FIFOSEGSIZE(x)	(((x) & 0xf) << 16)
+#define RX_FIFOADDR(x)		(((x) & 0x1fff) << 0)
+
+/* U3D_QCR0 */
+#define QMU_RX_CS_EN(x)		(BIT(16) << (x))
+#define QMU_TX_CS_EN(x)		(BIT(0) << (x))
+#define QMU_CS16B_EN		BIT(0)
+
+/* U3D_QCR1 */
+#define QMU_TX_ZLP(x)		(BIT(0) << (x))
+
+/* U3D_QCR3 */
+#define QMU_RX_COZ(x)		(BIT(16) << (x))
+#define QMU_RX_ZLP(x)		(BIT(0) << (x))
+
+/* U3D_TXQCSR1 */
+/* U3D_RXQCSR1 */
+#define QMU_Q_ACTIVE		BIT(15)
+#define QMU_Q_STOP		BIT(2)
+#define QMU_Q_RESUME		BIT(1)
+#define QMU_Q_START		BIT(0)
+
+/* U3D_QISAR0, U3D_QIER0, U3D_QIESR0, U3D_QIECR0 */
+#define QMU_RX_DONE_INT(x)	(BIT(16) << (x))
+#define QMU_TX_DONE_INT(x)	(BIT(0) << (x))
+
+/* U3D_QISAR1, U3D_QIER1, U3D_QIESR1, U3D_QIECR1 */
+#define RXQ_ZLPERR_INT		BIT(20)
+#define RXQ_LENERR_INT		BIT(18)
+#define RXQ_CSERR_INT		BIT(17)
+#define RXQ_EMPTY_INT		BIT(16)
+#define TXQ_LENERR_INT		BIT(2)
+#define TXQ_CSERR_INT		BIT(1)
+#define TXQ_EMPTY_INT		BIT(0)
+
+/* U3D_TQERRIR0, U3D_TQERRIER0, U3D_TQERRIESR0, U3D_TQERRIECR0 */
+#define QMU_TX_LEN_ERR(x)	(BIT(16) << (x))
+#define QMU_TX_CS_ERR(x)	(BIT(0) << (x))
+
+/* U3D_RQERRIR0, U3D_RQERRIER0, U3D_RQERRIESR0, U3D_RQERRIECR0 */
+#define QMU_RX_LEN_ERR(x)	(BIT(16) << (x))
+#define QMU_RX_CS_ERR(x)	(BIT(0) << (x))
+
+/* U3D_RQERRIR1, U3D_RQERRIER1, U3D_RQERRIESR1, U3D_RQERRIECR1 */
+#define QMU_RX_ZLP_ERR(n)	(BIT(16) << (n))
+
+/* U3D_CAP_EPINFO */
+#define CAP_RX_EP_NUM(x)	(((x) >> 8) & 0x1f)
+#define CAP_TX_EP_NUM(x)	((x) & 0x1f)
+
+/* U3D_MISC_CTRL */
+#define VBUS_ON			BIT(1)
+#define VBUS_FRC_EN		BIT(0)
+
+
+/*---------------- SSUSB_EPCTL_CSR REGISTER DEFINITION ----------------*/
+
+#define U3D_DEVICE_CONF			(SSUSB_EPCTL_CSR_BASE + 0x0000)
+#define U3D_EP_RST			(SSUSB_EPCTL_CSR_BASE + 0x0004)
+
+#define U3D_DEV_LINK_INTR_ENABLE	(SSUSB_EPCTL_CSR_BASE + 0x0050)
+#define U3D_DEV_LINK_INTR		(SSUSB_EPCTL_CSR_BASE + 0x0054)
+
+/*---------------- SSUSB_EPCTL_CSR FIELD DEFINITION ----------------*/
+
+/* U3D_DEVICE_CONF */
+#define DEV_ADDR_MSK		GENMASK(30, 24)
+#define DEV_ADDR(x)		((0x7f & (x)) << 24)
+#define HW_USB2_3_SEL		BIT(18)
+#define SW_USB2_3_SEL_EN	BIT(17)
+#define SW_USB2_3_SEL		BIT(16)
+#define SSUSB_DEV_SPEED(x)	((x) & 0x7)
+
+/* U3D_EP_RST */
+#define EP1_IN_RST		BIT(17)
+#define EP1_OUT_RST		BIT(1)
+#define EP_RST(is_in, epnum)	(((is_in) ? BIT(16) : BIT(0)) << (epnum))
+#define EP0_RST			BIT(0)
+
+/* U3D_DEV_LINK_INTR_ENABLE */
+/* U3D_DEV_LINK_INTR */
+#define SSUSB_DEV_SPEED_CHG_INTR	BIT(0)
+
+
+/*---------------- SSUSB_USB3_MAC_CSR REGISTER DEFINITION ----------------*/
+
+#define U3D_USB3_CONFIG		(SSUSB_USB3_MAC_CSR_BASE + 0x001C)
+
+/*---------------- SSUSB_USB3_MAC_CSR FIELD DEFINITION ----------------*/
+
+/* U3D_USB3_CONFIG */
+#define USB3_EN			BIT(0)
+
+/*---------------- SSUSB_USB3_SYS_CSR REGISTER DEFINITION ----------------*/
+
+#define U3D_LINK_UX_INACT_TIMER	(SSUSB_USB3_SYS_CSR_BASE + 0x020C)
+#define U3D_LINK_POWER_CONTROL	(SSUSB_USB3_SYS_CSR_BASE + 0x0210)
+#define U3D_LINK_ERR_COUNT	(SSUSB_USB3_SYS_CSR_BASE + 0x0214)
+
+/*---------------- SSUSB_USB3_SYS_CSR FIELD DEFINITION ----------------*/
+
+/* U3D_LINK_UX_INACT_TIMER */
+#define DEV_U2_INACT_TIMEOUT_MSK	GENMASK(23, 16)
+#define DEV_U2_INACT_TIMEOUT_VALUE(x)	(((x) & 0xff) << 16)
+#define U2_INACT_TIMEOUT_MSK		GENMASK(15, 8)
+#define U1_INACT_TIMEOUT_MSK		GENMASK(7, 0)
+#define U1_INACT_TIMEOUT_VALUE(x)	((x) & 0xff)
+
+/* U3D_LINK_POWER_CONTROL */
+#define SW_U2_ACCEPT_ENABLE	BIT(9)
+#define SW_U1_ACCEPT_ENABLE	BIT(8)
+#define UX_EXIT			BIT(5)
+#define LGO_U3			BIT(4)
+#define LGO_U2			BIT(3)
+#define LGO_U1			BIT(2)
+#define SW_U2_REQUEST_ENABLE	BIT(1)
+#define SW_U1_REQUEST_ENABLE	BIT(0)
+
+/* U3D_LINK_ERR_COUNT */
+#define CLR_LINK_ERR_CNT	BIT(16)
+#define LINK_ERROR_COUNT	GENMASK(15, 0)
+
+/*---------------- SSUSB_USB2_CSR REGISTER DEFINITION ----------------*/
+
+#define U3D_POWER_MANAGEMENT		(SSUSB_USB2_CSR_BASE + 0x0004)
+#define U3D_DEVICE_CONTROL		(SSUSB_USB2_CSR_BASE + 0x000C)
+#define U3D_USB2_TEST_MODE		(SSUSB_USB2_CSR_BASE + 0x0014)
+#define U3D_COMMON_USB_INTR_ENABLE	(SSUSB_USB2_CSR_BASE + 0x0018)
+#define U3D_COMMON_USB_INTR		(SSUSB_USB2_CSR_BASE + 0x001C)
+#define U3D_LINK_RESET_INFO		(SSUSB_USB2_CSR_BASE + 0x0024)
+#define U3D_USB20_FRAME_NUM		(SSUSB_USB2_CSR_BASE + 0x003C)
+#define U3D_USB20_LPM_PARAMETER		(SSUSB_USB2_CSR_BASE + 0x0044)
+#define U3D_USB20_MISC_CONTROL		(SSUSB_USB2_CSR_BASE + 0x004C)
+
+/*---------------- SSUSB_USB2_CSR FIELD DEFINITION ----------------*/
+
+/* U3D_POWER_MANAGEMENT */
+#define LPM_BESL_STALL		BIT(14)
+#define LPM_BESLD_STALL		BIT(13)
+#define LPM_RWP			BIT(11)
+#define LPM_HRWE		BIT(10)
+#define LPM_MODE(x)		(((x) & 0x3) << 8)
+#define ISO_UPDATE		BIT(7)
+#define SOFT_CONN		BIT(6)
+#define HS_ENABLE		BIT(5)
+#define RESUME			BIT(2)
+#define SUSPENDM_ENABLE		BIT(0)
+
+/* U3D_DEVICE_CONTROL */
+#define DC_HOSTREQ		BIT(1)
+#define DC_SESSION		BIT(0)
+
+/* U3D_USB2_TEST_MODE */
+#define U2U3_AUTO_SWITCH	BIT(10)
+#define LPM_FORCE_STALL		BIT(8)
+#define FIFO_ACCESS		BIT(6)
+#define FORCE_FS		BIT(5)
+#define FORCE_HS		BIT(4)
+#define TEST_PACKET_MODE	BIT(3)
+#define TEST_K_MODE		BIT(2)
+#define TEST_J_MODE		BIT(1)
+#define TEST_SE0_NAK_MODE	BIT(0)
+
+/* U3D_COMMON_USB_INTR_ENABLE */
+/* U3D_COMMON_USB_INTR */
+#define LPM_RESUME_INTR		BIT(9)
+#define LPM_INTR		BIT(8)
+#define DISCONN_INTR		BIT(5)
+#define CONN_INTR		BIT(4)
+#define SOF_INTR		BIT(3)
+#define RESET_INTR		BIT(2)
+#define RESUME_INTR		BIT(1)
+#define SUSPEND_INTR		BIT(0)
+
+/* U3D_LINK_RESET_INFO */
+#define WTCHRP_MSK		GENMASK(19, 16)
+
+/* U3D_USB20_LPM_PARAMETER */
+#define LPM_BESLCK_U3(x)	(((x) & 0xf) << 12)
+#define LPM_BESLCK(x)		(((x) & 0xf) << 8)
+#define LPM_BESLDCK(x)		(((x) & 0xf) << 4)
+#define LPM_BESL		GENMASK(3, 0)
+
+/* U3D_USB20_MISC_CONTROL */
+#define LPM_U3_ACK_EN		BIT(0)
+
+/*---------------- SSUSB_SIFSLV_IPPC REGISTER DEFINITION ----------------*/
+
+#define U3D_SSUSB_IP_PW_CTRL0	(SSUSB_SIFSLV_IPPC_BASE + 0x0000)
+#define U3D_SSUSB_IP_PW_CTRL1	(SSUSB_SIFSLV_IPPC_BASE + 0x0004)
+#define U3D_SSUSB_IP_PW_CTRL2	(SSUSB_SIFSLV_IPPC_BASE + 0x0008)
+#define U3D_SSUSB_IP_PW_CTRL3	(SSUSB_SIFSLV_IPPC_BASE + 0x000C)
+#define U3D_SSUSB_IP_PW_STS1	(SSUSB_SIFSLV_IPPC_BASE + 0x0010)
+#define U3D_SSUSB_IP_PW_STS2	(SSUSB_SIFSLV_IPPC_BASE + 0x0014)
+#define U3D_SSUSB_OTG_STS	(SSUSB_SIFSLV_IPPC_BASE + 0x0018)
+#define U3D_SSUSB_OTG_STS_CLR	(SSUSB_SIFSLV_IPPC_BASE + 0x001C)
+#define U3D_SSUSB_IP_XHCI_CAP	(SSUSB_SIFSLV_IPPC_BASE + 0x0024)
+#define U3D_SSUSB_IP_DEV_CAP	(SSUSB_SIFSLV_IPPC_BASE + 0x0028)
+#define U3D_SSUSB_OTG_INT_EN	(SSUSB_SIFSLV_IPPC_BASE + 0x002C)
+#define U3D_SSUSB_U3_CTRL_0P	(SSUSB_SIFSLV_IPPC_BASE + 0x0030)
+#define U3D_SSUSB_U2_CTRL_0P	(SSUSB_SIFSLV_IPPC_BASE + 0x0050)
+#define U3D_SSUSB_REF_CK_CTRL	(SSUSB_SIFSLV_IPPC_BASE + 0x008C)
+#define U3D_SSUSB_DEV_RST_CTRL	(SSUSB_SIFSLV_IPPC_BASE + 0x0098)
+#define U3D_SSUSB_HW_ID		(SSUSB_SIFSLV_IPPC_BASE + 0x00A0)
+#define U3D_SSUSB_HW_SUB_ID	(SSUSB_SIFSLV_IPPC_BASE + 0x00A4)
+#define U3D_SSUSB_IP_SPARE0	(SSUSB_SIFSLV_IPPC_BASE + 0x00C8)
+
+/*---------------- SSUSB_SIFSLV_IPPC FIELD DEFINITION ----------------*/
+
+/* U3D_SSUSB_IP_PW_CTRL0 */
+#define SSUSB_IP_SW_RST			BIT(0)
+
+/* U3D_SSUSB_IP_PW_CTRL1 */
+#define SSUSB_IP_HOST_PDN		BIT(0)
+
+/* U3D_SSUSB_IP_PW_CTRL2 */
+#define SSUSB_IP_DEV_PDN		BIT(0)
+
+/* U3D_SSUSB_IP_PW_CTRL3 */
+#define SSUSB_IP_PCIE_PDN		BIT(0)
+
+/* U3D_SSUSB_IP_PW_STS1 */
+#define SSUSB_IP_SLEEP_STS		BIT(30)
+#define SSUSB_U3_MAC_RST_B_STS		BIT(16)
+#define SSUSB_XHCI_RST_B_STS		BIT(11)
+#define SSUSB_SYS125_RST_B_STS		BIT(10)
+#define SSUSB_REF_RST_B_STS		BIT(8)
+#define SSUSB_SYSPLL_STABLE		BIT(0)
+
+/* U3D_SSUSB_IP_PW_STS2 */
+#define SSUSB_U2_MAC_SYS_RST_B_STS	BIT(0)
+
+/* U3D_SSUSB_OTG_STS */
+#define SSUSB_VBUS_VALID		BIT(9)
+
+/* U3D_SSUSB_OTG_STS_CLR */
+#define SSUSB_VBUS_INTR_CLR		BIT(6)
+
+/* U3D_SSUSB_IP_XHCI_CAP */
+#define SSUSB_IP_XHCI_U2_PORT_NUM(x)	(((x) >> 8) & 0xff)
+#define SSUSB_IP_XHCI_U3_PORT_NUM(x)	((x) & 0xff)
+
+/* U3D_SSUSB_IP_DEV_CAP */
+#define SSUSB_IP_DEV_U3_PORT_NUM(x)	((x) & 0xff)
+
+/* U3D_SSUSB_OTG_INT_EN */
+#define SSUSB_VBUS_CHG_INT_A_EN		BIT(7)
+#define SSUSB_VBUS_CHG_INT_B_EN		BIT(6)
+
+/* U3D_SSUSB_U3_CTRL_0P */
+#define SSUSB_U3_PORT_HOST_SEL		BIT(2)
+#define SSUSB_U3_PORT_PDN		BIT(1)
+#define SSUSB_U3_PORT_DIS		BIT(0)
+
+/* U3D_SSUSB_U2_CTRL_0P */
+#define SSUSB_U2_PORT_OTG_SEL		BIT(7)
+#define SSUSB_U2_PORT_HOST_SEL		BIT(2)
+#define SSUSB_U2_PORT_PDN		BIT(1)
+#define SSUSB_U2_PORT_DIS		BIT(0)
+
+/* U3D_SSUSB_DEV_RST_CTRL */
+#define SSUSB_DEV_SW_RST		BIT(0)
+
+#endif	/* _SSUSB_HW_REGS_H_ */