This implements the Type-C PHY driver for Rockchip platform
with Cadence IP block.
Signed-off-by: Frank Wang <frank.w...@rock-chips.com>
Signed-off-by: William Wu <william...@rock-chips.com>
---
drivers/phy/Kconfig | 6 +
drivers/phy/Makefile | 1 +
drivers/phy/phy-rockchip-typec.c | 534 +++++++++++++++++++++++++
include/linux/usb/rockchip_phy_typec.h | 52 +++
4 files changed, 593 insertions(+)
create mode 100644 drivers/phy/phy-rockchip-typec.c
create mode 100644 include/linux/usb/rockchip_phy_typec.h
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index a72f34f0d4..c8472ef245 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -90,6 +90,12 @@ config PHY_DA8XX_USB
help
Enable this to support the USB PHY on DA8xx SoCs.
+config PHY_ROCKCHIP_TYPEC
+ bool "Support Rockchip TYPEC PHY Driver"
+ depends on PHY && ARCH_ROCKCHIP
+ help
+ Enable this to support the Rockchip USB Type-C PHY.
+
config PIPE3_PHY
bool "Support omap's PIPE3 PHY"
depends on PHY && ARCH_OMAP2PLUS
diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
index 43ce62e08c..9ed721b1d5 100644
--- a/drivers/phy/Makefile
+++ b/drivers/phy/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_AM654_PHY) += phy-ti-am654.o
obj-$(CONFIG_STI_USB_PHY) += sti_usb_phy.o
obj-$(CONFIG_PHY_RCAR_GEN2) += phy-rcar-gen2.o
obj-$(CONFIG_PHY_RCAR_GEN3) += phy-rcar-gen3.o
+obj-$(CONFIG_PHY_ROCKCHIP_TYPEC) += phy-rockchip-typec.o
obj-$(CONFIG_PHY_STM32_USBPHYC) += phy-stm32-usbphyc.o
obj-$(CONFIG_MESON_GXL_USB_PHY) += meson-gxl-usb2.o meson-gxl-usb3.o
obj-$(CONFIG_MESON_G12A_USB_PHY) += meson-g12a-usb2.o meson-g12a-usb3-pcie.o
diff --git a/drivers/phy/phy-rockchip-typec.c b/drivers/phy/phy-rockchip-typec.c
new file mode 100644
index 0000000000..cd0f055bd4
--- /dev/null
+++ b/drivers/phy/phy-rockchip-typec.c
@@ -0,0 +1,534 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 Rockchip Electronics Co., Ltd
+ *
+ * Based on drivers/phy/rockchip/phy-rockchip-typec.c in Linux Kernel.
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/lists.h>
+#include <dm/of_access.h>
+#include <generic-phy.h>
+#include <power/regulator.h>
+#include <regmap.h>
+#include <reset.h>
+#include <syscon.h>
+#include <asm-generic/io.h>
+#include <asm/arch/clock.h>
+#include <linux/iopoll.h>
+#include <linux/usb/rockchip_phy_typec.h>
+
+#define CMN_PLL0_VCOCAL_OVRD (0x83 << 2)
+#define CMN_PLL0_VCOCAL_INIT (0x84 << 2)
+#define CMN_PLL0_VCOCAL_ITER (0x85 << 2)
+#define CMN_PLL0_LOCK_REFCNT_START (0x90 << 2)
+#define CMN_PLL0_LOCK_PLLCNT_START (0x92 << 2)
+#define CMN_PLL0_LOCK_PLLCNT_THR (0x93 << 2)
+#define CMN_PLL0_INTDIV (0x94 << 2)
+#define CMN_PLL0_FRACDIV (0x95 << 2)
+#define CMN_PLL0_HIGH_THR (0x96 << 2)
+#define CMN_PLL0_DSM_DIAG (0x97 << 2)
+#define CMN_PLL0_SS_CTRL1 (0x98 << 2)
+#define CMN_PLL0_SS_CTRL2 (0x99 << 2)
+#define CMN_DIAG_PLL0_FBH_OVRD (0x1c0 << 2)
+#define CMN_DIAG_PLL0_FBL_OVRD (0x1c1 << 2)
+#define CMN_DIAG_PLL0_OVRD (0x1c2 << 2)
+#define CMN_DIAG_PLL0_V2I_TUNE (0x1c5 << 2)
+#define CMN_DIAG_PLL0_CP_TUNE (0x1c6 << 2)
+#define CMN_DIAG_PLL0_LF_PROG (0x1c7 << 2)
+#define CMN_DIAG_HSCLK_SEL (0x1e0 << 2)
+
+#define TX_TXCC_MGNFS_MULT_000(n) ((0x4050 | ((n) << 9)) << 2)
+#define XCVR_DIAG_PLLDRC_CTRL(n) ((0x40e0 | ((n) << 9)) << 2)
+#define XCVR_DIAG_BIDI_CTRL(n) ((0x40e8 | ((n) << 9)) << 2)
+#define XCVR_DIAG_LANE_FCM_EN_MGN(n) ((0x40f2 | ((n) << 9)) << 2)
+#define TX_PSC_A0(n) ((0x4100 | ((n) << 9)) << 2)
+#define TX_PSC_A1(n) ((0x4101 | ((n) << 9)) << 2)
+#define TX_PSC_A2(n) ((0x4102 | ((n) << 9)) << 2)
+#define TX_PSC_A3(n) ((0x4103 | ((n) << 9)) << 2)
+#define TX_RCVDET_CTRL(n) ((0x4120 | ((n) << 9)) << 2)
+#define TX_RCVDET_EN_TMR(n) ((0x4122 | ((n) << 9)) << 2)
+#define TX_RCVDET_ST_TMR(n) ((0x4123 | ((n) << 9)) << 2)
+#define TX_DIAG_TX_DRV(n) ((0x41e1 | ((n) << 9)) << 2)
+#define TX_DIAG_BGREF_PREDRV_DELAY (0x41e7 << 2)
+
+#define RX_PSC_A0(n) ((0x8000 | ((n) << 9)) << 2)
+#define RX_PSC_A1(n) ((0x8001 | ((n) << 9)) << 2)
+#define RX_PSC_A2(n) ((0x8002 | ((n) << 9)) << 2)
+#define RX_PSC_A3(n) ((0x8003 | ((n) << 9)) << 2)
+#define RX_PSC_CAL(n) ((0x8006 | ((n) << 9)) << 2)
+#define RX_PSC_RDY(n) ((0x8007 | ((n) << 9)) << 2)
+#define RX_SIGDET_HL_FILT_TMR(n) ((0x8090 | ((n) << 9)) << 2)
+#define RX_REE_CTRL_DATA_MASK(n) ((0x81bb | ((n) << 9)) << 2)
+#define RX_DIAG_SIGDET_TUNE(n) ((0x81dc | ((n) << 9)) << 2)
+#define RX_DIAG_SC2C_DELAY (0x81e1 << 2)
+
+#define PHY_ISO_CMN_CTRL (0xc010 << 2)
+#define PMA_CMN_CTRL1 (0xc800 << 2)
+#define PHY_PMA_ISO_CMN_CTRL (0xc810 << 2)
+#define PHY_ISOLATION_CTRL (0xc81f << 2)
+#define PHY_PMA_ISO_XCVR_CTRL(n) ((0xcc11 | ((n) << 6)) << 2)
+#define PHY_PMA_ISO_LINK_MODE(n) ((0xcc12 | ((n) << 6)) << 2)
+#define PHY_PMA_ISO_PWRST_CTRL(n) ((0xcc13 | ((n) << 6)) << 2)
+#define PHY_PMA_ISO_TX_DATA_LO(n) ((0xcc14 | ((n) << 6)) << 2)
+#define PHY_PMA_ISO_TX_DATA_HI(n) ((0xcc15 | ((n) << 6)) << 2)
+#define PHY_PMA_ISO_RX_DATA_LO(n) ((0xcc16 | ((n) << 6)) << 2)
+#define PHY_PMA_ISO_RX_DATA_HI(n) ((0xcc17 | ((n) << 6)) << 2)
+
+/*
+ * Selects which PLL clock will be driven on the analog high speed
+ * clock 0: PLL 0 div 1
+ * clock 1: PLL 1 div 2
+ */
+#define CLK_PLL1_DIV1 0x20
+#define CLK_PLL1_DIV2 0x30
+#define CLK_PLL_MASK 0x33
+
+#define CMN_READY BIT(0)
+#define PHY_MODE_SET_TIMEOUT 100000
+#define MODE_DISCONNECT 0
+#define MODE_UFP_USB BIT(0)
+#define MODE_DFP_USB BIT(1)
+#define POWER_ON_TRIES 5
+
+struct phy_reg {
+ u16 value;
+ u32 addr;
+};
+
+static const struct phy_reg usb3_pll_cfg[] = {
+ { 0xf0, CMN_PLL0_VCOCAL_INIT },
+ { 0x18, CMN_PLL0_VCOCAL_ITER },
+ { 0xd0, CMN_PLL0_INTDIV },
+ { 0x4a4a, CMN_PLL0_FRACDIV },
+ { 0x34, CMN_PLL0_HIGH_THR },
+ { 0x1ee, CMN_PLL0_SS_CTRL1 },
+ { 0x7f03, CMN_PLL0_SS_CTRL2 },
+ { 0x20, CMN_PLL0_DSM_DIAG },
+ { 0, CMN_DIAG_PLL0_OVRD },
+ { 0, CMN_DIAG_PLL0_FBH_OVRD },
+ { 0, CMN_DIAG_PLL0_FBL_OVRD },
+ { 0x7, CMN_DIAG_PLL0_V2I_TUNE },
+ { 0x45, CMN_DIAG_PLL0_CP_TUNE },
+ { 0x8, CMN_DIAG_PLL0_LF_PROG },
+};
+
+static void tcphy_cfg_24m(struct rockchip_typec_phy *tcphy)
+{
+ u32 i, rdata;
+
+ /*
+ * cmn_ref_clk_sel = 3, select the 24Mhz for clk parent
+ * cmn_psm_clk_dig_div = 2, set the clk division to 2
+ */
+ writel(0x830, tcphy->base + PMA_CMN_CTRL1);
+ for (i = 0; i < 4; i++) {
+ /*
+ * The following PHY configuration assumes a 24 MHz reference
+ * clock.
+ */
+ writel(0x90, tcphy->base + XCVR_DIAG_LANE_FCM_EN_MGN(i));
+ writel(0x960, tcphy->base + TX_RCVDET_EN_TMR(i));
+ writel(0x30, tcphy->base + TX_RCVDET_ST_TMR(i));
+ }
+
+ rdata = readl(tcphy->base + CMN_DIAG_HSCLK_SEL);
+ rdata &= ~CLK_PLL_MASK;
+ rdata |= CLK_PLL1_DIV2;
+ writel(rdata, tcphy->base + CMN_DIAG_HSCLK_SEL);
+}
+
+static void tcphy_cfg_usb3_pll(struct rockchip_typec_phy *tcphy)
+{
+ u32 i;
+
+ /* load the configuration of PLL0 */
+ for (i = 0; i < ARRAY_SIZE(usb3_pll_cfg); i++)
+ writel(usb3_pll_cfg[i].value,
+ tcphy->base + usb3_pll_cfg[i].addr);
+}
+
+static void tcphy_tx_usb3_cfg_lane(struct rockchip_typec_phy *tcphy, u32 lane)
+{
+ writel(0x7799, tcphy->base + TX_PSC_A0(lane));
+ writel(0x7798, tcphy->base + TX_PSC_A1(lane));
+ writel(0x5098, tcphy->base + TX_PSC_A2(lane));
+ writel(0x5098, tcphy->base + TX_PSC_A3(lane));
+ writel(0, tcphy->base + TX_TXCC_MGNFS_MULT_000(lane));
+ writel(0xbf, tcphy->base + XCVR_DIAG_BIDI_CTRL(lane));
+}
+
+static void tcphy_rx_usb3_cfg_lane(struct rockchip_typec_phy *tcphy, u32 lane)
+{
+ writel(0xa6fd, tcphy->base + RX_PSC_A0(lane));
+ writel(0xa6fd, tcphy->base + RX_PSC_A1(lane));
+ writel(0xa410, tcphy->base + RX_PSC_A2(lane));
+ writel(0x2410, tcphy->base + RX_PSC_A3(lane));
+ writel(0x23ff, tcphy->base + RX_PSC_CAL(lane));
+ writel(0x13, tcphy->base + RX_SIGDET_HL_FILT_TMR(lane));
+ writel(0x03e7, tcphy->base + RX_REE_CTRL_DATA_MASK(lane));
+ writel(0x1004, tcphy->base + RX_DIAG_SIGDET_TUNE(lane));
+ writel(0x2010, tcphy->base + RX_PSC_RDY(lane));
+ writel(0xfb, tcphy->base + XCVR_DIAG_BIDI_CTRL(lane));
+}
+
+static inline int property_enable(struct rockchip_typec_phy *tcphy,
+ const struct usb3phy_reg *reg, bool en)
+{
+ u32 mask = 1 << reg->write_enable;
+ u32 val = en << reg->enable_bit;
+
+ return writel((val | mask), (tcphy->grf_regs + reg->offset));
+}
+
+static int tcphy_cfg_usb3_to_usb2_only(struct rockchip_typec_phy *tcphy,
+ bool value)
+{
+ struct rockchip_usb3phy_port_cfg *cfg = &tcphy->port_cfgs;
+
+ property_enable(tcphy, &cfg->usb3tousb2_en, value);
+ property_enable(tcphy, &cfg->usb3host_disable, value);
+ property_enable(tcphy, &cfg->usb3host_port, !value);
+
+ return 0;
+}
+
+static int tcphy_phy_init(struct rockchip_typec_phy *tcphy)
+{
+ struct rockchip_usb3phy_port_cfg *cfg = &tcphy->port_cfgs;
+ int ret;
+ u32 val;
+
+ reset_deassert(&tcphy->tcphy_rst);
+
+ property_enable(tcphy, &cfg->typec_conn_dir, tcphy->flip);
+
+ tcphy_cfg_24m(tcphy);
+
+ tcphy_cfg_usb3_pll(tcphy);
+ if (tcphy->flip) {
+ tcphy_tx_usb3_cfg_lane(tcphy, 3);
+ tcphy_rx_usb3_cfg_lane(tcphy, 2);
+ } else {
+ tcphy_tx_usb3_cfg_lane(tcphy, 0);
+ tcphy_rx_usb3_cfg_lane(tcphy, 1);
+ }
+
+ reset_deassert(&tcphy->uphy_rst);
+
+ ret = readx_poll_timeout(readl, tcphy->base + PMA_CMN_CTRL1,
+ val, val & CMN_READY, PHY_MODE_SET_TIMEOUT);
+ if (ret < 0) {
+ dev_err(tcphy->dev, "wait pma ready timeout\n");
+ ret = -ETIMEDOUT;
+ goto err_wait_pma;
+ }
+
+ reset_deassert(&tcphy->pipe_rst);
+
+ return 0;
+
+err_wait_pma:
+ reset_assert(&tcphy->uphy_rst);
+ reset_assert(&tcphy->tcphy_rst);
+ return ret;
+}
+
+static void tcphy_phy_deinit(struct rockchip_typec_phy *tcphy)
+{
+ reset_assert(&tcphy->tcphy_rst);
+ reset_assert(&tcphy->uphy_rst);
+ reset_assert(&tcphy->pipe_rst);
+}
+
+static int tcphy_get_mode(struct rockchip_typec_phy *tcphy)
+{
+ u8 mode = MODE_DFP_USB | MODE_UFP_USB;
+
+ tcphy->flip = 0;
+
+ return mode;
+}
+
+static int _rockchip_usb3_phy_power_on(struct rockchip_typec_phy *tcphy)
+{
+ struct rockchip_usb3phy_port_cfg *cfg = &tcphy->port_cfgs;
+ const struct usb3phy_reg *reg = &cfg->pipe_status;
+ int timeout, new_mode, ret = 0;
+ u32 val;
+
+ mutex_lock(&tcphy->lock);
+
+ new_mode = tcphy_get_mode(tcphy);
+
+ if (tcphy->mode == new_mode)
+ goto unlock_ret;
+
+ if (tcphy->mode == MODE_DISCONNECT) {
+ ret = tcphy_phy_init(tcphy);
+ if (ret)
+ goto unlock_ret;
+ }
+
+ /* wait TCPHY for pipe ready */
+ for (timeout = 0; timeout < 100; timeout++) {
+ val = readl(tcphy->grf_regs + reg->offset);
+ if (!(val & BIT(reg->enable_bit))) {
+ tcphy->mode |= new_mode & (MODE_DFP_USB | MODE_UFP_USB);
+
+ /* enable usb3 host */
+ tcphy_cfg_usb3_to_usb2_only(tcphy, false);
+ goto unlock_ret;
+ }
+ udelay(20);
+ }
+
+ if (tcphy->mode == MODE_DISCONNECT)
+ tcphy_phy_deinit(tcphy);
+
+ ret = -ETIMEDOUT;
+
+unlock_ret:
+ mutex_unlock(&tcphy->lock);
+ return ret;
+}
+
+static int rockchip_usb3_phy_power_on(struct phy *phy)
+{
+ struct udevice *parent = dev_get_parent(phy->dev);
+ struct rockchip_typec_phy *tcphy = dev_get_priv(parent);
+ int ret;
+ int tries;
+
+ for (tries = 0; tries < POWER_ON_TRIES; tries++) {
+ ret = _rockchip_usb3_phy_power_on(tcphy);
+ if (!ret)
+ break;
+ }
+
+ if (tries && !ret)
+ dev_err(tcphy->dev, "Needed %d loops to turn on\n", tries);
+
+ return ret;
+}
+
+static int rockchip_usb3_phy_power_off(struct phy *phy)
+{
+ struct udevice *parent = dev_get_parent(phy->dev);
+ struct rockchip_typec_phy *tcphy = dev_get_priv(parent);
+
+ mutex_lock(&tcphy->lock);
+
+ if (tcphy->mode == MODE_DISCONNECT)
+ goto unlock;
+
+ tcphy->mode = MODE_DISCONNECT;
+ tcphy_phy_deinit(tcphy);
+
+unlock:
+ mutex_unlock(&tcphy->lock);
+ return 0;
+}
+
+static const struct phy_ops rockchip_usb3_phy_ops = {
+ .power_on = rockchip_usb3_phy_power_on,
+ .power_off = rockchip_usb3_phy_power_off,
+};
+
+int rockchip_u3phy_uboot_init(const char *name)
+{
+ struct udevice *udev;
+ struct rockchip_typec_phy *tcphy;
+ int tries;
+ int ret;
+
+ ret = uclass_get_device_by_name(UCLASS_PHY, name, &udev);
+ if (ret) {
+ pr_err("%s: get usb3-phy failed: %d\n", __func__, ret);
+ return ret;
+ }
+
+ /* Initialize OTG PHY */
+ tcphy = dev_get_priv(udev);
+ for (tries = 0; tries < POWER_ON_TRIES; tries++) {
+ ret = _rockchip_usb3_phy_power_on(tcphy);
+ if (!ret)
+ break;
+ }
+
+ if (tries && !ret)
+ pr_err("%s: needed %d loops to turn on\n", __func__, tries);
+
+ return ret;
+}
+
+static int tcphy_get_param(struct udevice *dev,
+ struct usb3phy_reg *reg,
+ const char *name)
+{
+ u32 buffer[3];
+ int ret;
+
+ ret = dev_read_u32_array(dev, name, buffer, 3);
+ if (ret) {
+ pr_err("%s: Can not parse %s\n", __func__, name);
+ return ret;
+ }
+
+ reg->offset = buffer[0];
+ reg->enable_bit = buffer[1];
+ reg->write_enable = buffer[2];
+
+ return 0;
+}
+
+static int tcphy_parse_dt(struct rockchip_typec_phy *tcphy,
+ struct udevice *dev)
+{
+ struct rockchip_usb3phy_port_cfg *cfg = &tcphy->port_cfgs;
+ int ret;
+
+ ret = tcphy_get_param(dev, &cfg->typec_conn_dir,
+ "rockchip,typec-conn-dir");
+ if (ret)
+ return ret;
+
+ ret = tcphy_get_param(dev, &cfg->usb3tousb2_en,
+ "rockchip,usb3tousb2-en");
+ if (ret)
+ return ret;
+
+ ret = tcphy_get_param(dev, &cfg->usb3host_disable,
+ "rockchip,usb3-host-disable");
+ if (ret)
+ return ret;
+
+ ret = tcphy_get_param(dev, &cfg->usb3host_port,
+ "rockchip,usb3-host-port");
+ if (ret)
+ return ret;
+
+ ret = tcphy_get_param(dev, &cfg->external_psm,
+ "rockchip,external-psm");
+ if (ret)
+ return ret;
+
+ ret = tcphy_get_param(dev, &cfg->pipe_status,
+ "rockchip,pipe-status");
+ if (ret)
+ return ret;
+
+ tcphy->grf_regs = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+ if (IS_ERR(tcphy->grf_regs)) {
+ dev_err(dev, "could not find grf dt node\n");
+ return PTR_ERR(tcphy->grf_regs);
+ }
+
+ ret = reset_get_by_name(dev, "uphy", &tcphy->uphy_rst);
+ if (ret) {
+ dev_err(dev, "no uphy_rst reset control found\n");
+ return ret;
+ }
+
+ ret = reset_get_by_name(dev, "uphy-pipe", &tcphy->pipe_rst);
+ if (ret) {
+ dev_err(dev, "no pipe_rst reset control found\n");
+ return ret;
+ }
+
+ ret = reset_get_by_name(dev, "uphy-pipe", &tcphy->tcphy_rst);
+ if (ret) {
+ dev_err(dev, "no tcphy_rst reset control found\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static void typec_phy_pre_init(struct rockchip_typec_phy *tcphy)
+{
+ struct rockchip_usb3phy_port_cfg *cfg = &tcphy->port_cfgs;
+
+ reset_assert(&tcphy->tcphy_rst);
+ reset_assert(&tcphy->uphy_rst);
+ reset_assert(&tcphy->pipe_rst);
+
+ /* select external psm clock */
+ property_enable(tcphy, &cfg->external_psm, 1);
+ property_enable(tcphy, &cfg->usb3tousb2_en, 0);
+
+ tcphy->mode = MODE_DISCONNECT;
+}
+
+static int rockchip_typec_phy_bind(struct udevice *parent)
+{
+ struct udevice *dev;
+ ofnode node;
+ const char *name;
+ int ret;
+
+ dev_for_each_subnode(node, parent) {
+ if (!ofnode_valid(node)) {
+ debug("%s: %s subnode not found", __func__,
parent->name);
+ return -ENXIO;
+ }
+
+ name = ofnode_get_name(node);
+ debug("%s: subnode %s\n", __func__, name);
+
+ if (!strcasecmp(name, "usb3-port")) {
+ ret = device_bind_driver_to_node(parent,
"rockchip_typec_phy_port",
+ name, node, &dev);
+ if (ret) {
+ pr_err("%s: '%s' cannot bind
'rockchip_typec_phy_port'\n",
+ __func__, name);
+ return ret;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int rockchip_typec_phy_probe(struct udevice *udev)
+{
+ struct rockchip_typec_phy *tcphy = dev_get_priv(udev);
+ int ret;
+
+ tcphy->base = (void __iomem *)dev_read_addr(udev);
+ if (IS_ERR(tcphy->base))
+ return PTR_ERR(tcphy->base);
+
+ ret = tcphy_parse_dt(tcphy, udev);
+ if (ret)
+ return ret;
+
+ tcphy->dev = udev;
+ mutex_init(&tcphy->lock);
+
+ typec_phy_pre_init(tcphy);
+
+ printf("Rockchip Type-C PHY is initialized\n");
+ return 0;
+}
+
+static const struct udevice_id rockchip_typec_phy_dt_ids[] = {
+ { .compatible = "rockchip,rk3399-typec-phy" },
+ {}
+};
+
+U_BOOT_DRIVER(rockchip_typec_phy_port) = {
+ .name = "rockchip_typec_phy_port",
+ .id = UCLASS_PHY,
+ .ops = &rockchip_usb3_phy_ops,
+};
+
+U_BOOT_DRIVER(rockchip_typec_phy) = {
+ .name = "rockchip_typec_phy",
+ .id = UCLASS_PHY,
+ .of_match = rockchip_typec_phy_dt_ids,
+ .probe = rockchip_typec_phy_probe,
+ .bind = rockchip_typec_phy_bind,
+ .priv_auto_alloc_size = sizeof(struct rockchip_typec_phy),
+};
diff --git a/include/linux/usb/rockchip_phy_typec.h
b/include/linux/usb/rockchip_phy_typec.h
new file mode 100644
index 0000000000..9551f2be1e
--- /dev/null
+++ b/include/linux/usb/rockchip_phy_typec.h
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 Rockchip Electronics Co., Ltd
+ *
+ * Based on include/soc/rockchip/rockchip_phy_typec.h in Linux Kernel.
+ */
+
+#ifndef __LINUX_ROCKCHIP_PHY_TYPEC_H
+#define __LINUX_ROCKCHIP_PHY_TYPEC_H
+
+#include <reset.h>
+
+struct usb3phy_reg {
+ u32 offset;
+ u32 enable_bit;
+ u32 write_enable;
+};
+
+struct rockchip_usb3phy_port_cfg {
+ struct usb3phy_reg typec_conn_dir;
+ struct usb3phy_reg usb3tousb2_en;
+ struct usb3phy_reg usb3host_disable;
+ struct usb3phy_reg usb3host_port;
+ struct usb3phy_reg external_psm;
+ struct usb3phy_reg pipe_status;
+};
+
+struct rockchip_typec_phy {
+ struct udevice *dev;
+ void __iomem *base;
+ void __iomem *grf_regs;
+ struct reset_ctl uphy_rst;
+ struct reset_ctl pipe_rst;
+ struct reset_ctl tcphy_rst;
+ struct rockchip_usb3phy_port_cfg port_cfgs;
+ /* mutex to protect access to individual PHYs */
+ struct mutex lock;
+
+ bool flip;
+ u8 mode;
+};
+
+#if CONFIG_IS_ENABLED(PHY_ROCKCHIP_TYPEC)
+int rockchip_u3phy_uboot_init(const char *name);
+#else
+static inline int rockchip_u3phy_uboot_init(const char *name)
+{
+ return -ENOTSUPP;
+}
+#endif
+
+#endif /* __LINUX_ROCKCHIP_PHY_TYPEC_H */
--
2.17.1
