+// SPDX-License-Identifier: GPL-2.0+
/*
* Meson GXL and GXM USB2 PHY driver
*
* Copyright (C) 2017 Martin Blumenstingl <martin.blumenstingl@googlemail.com>
* Copyright (C) 2018 BayLibre, SAS
* Author: Neil Armstrong <narmstron@baylibre.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <malloc.h>
#include <asm/io.h>
#include <bitfield.h>
#include <dm.h>
#include <errno.h>
#include <generic-phy.h>
#include <regmap.h>
+#include <linux/delay.h>
#include <power/regulator.h>
#include <clk.h>
+#include <linux/usb/otg.h>
+
+#include <asm/arch/usb-gx.h>
#include <linux/bitops.h>
#include <linux/compat.h>
-DECLARE_GLOBAL_DATA_PTR;
-
/* bits [31:27] are read-only */
#define U2P_R0 0x0
#define U2P_R0_BYPASS_SEL BIT(0)
udelay(RESET_COMPLETE_TIME);
}
-static void
-phy_meson_gxl_usb2_set_host_mode(struct phy_meson_gxl_usb2_priv *priv)
+void phy_meson_gxl_usb2_set_mode(struct phy *phy, enum usb_dr_mode mode)
{
+ struct udevice *dev = phy->dev;
+ struct phy_meson_gxl_usb2_priv *priv = dev_get_priv(dev);
uint val;
regmap_read(priv->regmap, U2P_R0, &val);
- val |= U2P_R0_DM_PULLDOWN;
- val |= U2P_R0_DP_PULLDOWN;
- val &= ~U2P_R0_ID_PULLUP;
+
+ switch (mode) {
+ case USB_DR_MODE_UNKNOWN:
+ case USB_DR_MODE_HOST:
+ case USB_DR_MODE_OTG:
+ val |= U2P_R0_DM_PULLDOWN;
+ val |= U2P_R0_DP_PULLDOWN;
+ val &= ~U2P_R0_ID_PULLUP;
+ break;
+
+ case USB_DR_MODE_PERIPHERAL:
+ val &= ~U2P_R0_DM_PULLDOWN;
+ val &= ~U2P_R0_DP_PULLDOWN;
+ val |= U2P_R0_ID_PULLUP;
+ break;
+ }
+
regmap_write(priv->regmap, U2P_R0, val);
phy_meson_gxl_usb2_reset(priv);
val &= ~U2P_R0_POWER_ON_RESET;
regmap_write(priv->regmap, U2P_R0, val);
- phy_meson_gxl_usb2_set_host_mode(priv);
+ phy_meson_gxl_usb2_set_mode(phy, USB_DR_MODE_HOST);
#if CONFIG_IS_ENABLED(DM_REGULATOR)
if (priv->phy_supply) {
struct phy_meson_gxl_usb2_priv *priv = dev_get_priv(dev);
int ret;
- ret = regmap_init_mem(dev, &priv->regmap);
+ ret = regmap_init_mem(dev_ofnode(dev), &priv->regmap);
if (ret)
return ret;