diff options
Diffstat (limited to 'drivers/phy/st/phy-stih407-usb.c')
| -rw-r--r-- | drivers/phy/st/phy-stih407-usb.c | 32 |
1 files changed, 8 insertions, 24 deletions
diff --git a/drivers/phy/st/phy-stih407-usb.c b/drivers/phy/st/phy-stih407-usb.c index b1f44ab669fb..7a3e4584895c 100644 --- a/drivers/phy/st/phy-stih407-usb.c +++ b/drivers/phy/st/phy-stih407-usb.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2014 STMicroelectronics * * STMicroelectronics Generic PHY driver for STiH407 USB2. * * Author: Giuseppe Cavallaro <peppe.cavallaro@st.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2, as - * published by the Free Software Foundation. - * */ #include <linux/platform_device.h> #include <linux/io.h> @@ -22,8 +18,8 @@ #include <linux/mfd/syscon.h> #include <linux/phy/phy.h> -#define PHYPARAM_REG 1 -#define PHYCTRL_REG 2 +#define PHYPARAM_REG 0 +#define PHYCTRL_REG 1 /* Default PHY_SEL and REFCLKSEL configuration */ #define STIH407_USB_PICOPHY_CTRL_PORT_CONF 0x6 @@ -95,8 +91,8 @@ static int stih407_usb2_picophy_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; struct phy_provider *phy_provider; + unsigned int syscon_args[2]; struct phy *phy; - int ret; phy_dev = devm_kzalloc(dev, sizeof(*phy_dev), GFP_KERNEL); if (!phy_dev) @@ -120,25 +116,15 @@ static int stih407_usb2_picophy_probe(struct platform_device *pdev) /* Reset port by default: only deassert it in phy init */ reset_control_assert(phy_dev->rstport); - phy_dev->regmap = syscon_regmap_lookup_by_phandle(np, "st,syscfg"); + phy_dev->regmap = syscon_regmap_lookup_by_phandle_args(np, "st,syscfg", + 2, syscon_args); if (IS_ERR(phy_dev->regmap)) { dev_err(dev, "No syscfg phandle specified\n"); return PTR_ERR(phy_dev->regmap); } - ret = of_property_read_u32_index(np, "st,syscfg", PHYPARAM_REG, - &phy_dev->param); - if (ret) { - dev_err(dev, "can't get phyparam offset (%d)\n", ret); - return ret; - } - - ret = of_property_read_u32_index(np, "st,syscfg", PHYCTRL_REG, - &phy_dev->ctrl); - if (ret) { - dev_err(dev, "can't get phyctrl offset (%d)\n", ret); - return ret; - } + phy_dev->param = syscon_args[PHYPARAM_REG]; + phy_dev->ctrl = syscon_args[PHYCTRL_REG]; phy = devm_phy_create(dev, NULL, &stih407_usb2_picophy_data); if (IS_ERR(phy)) { @@ -153,8 +139,6 @@ static int stih407_usb2_picophy_probe(struct platform_device *pdev) if (IS_ERR(phy_provider)) return PTR_ERR(phy_provider); - dev_info(dev, "STiH407 USB Generic picoPHY driver probed!"); - return 0; } |