| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| 665 | 99.11% | 1 | 20.00% | |
| 3 | 0.45% | 1 | 20.00% | |
| 1 | 0.15% | 1 | 20.00% | |
| 1 | 0.15% | 1 | 20.00% | |
| 1 | 0.15% | 1 | 20.00% | |
| Total | 671 | 5 |
| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Zhangfei Gao | 665 | 99.11% | 1 | 20.00% |
| Rob Herring | 3 | 0.45% | 1 | 20.00% |
| Bhumika Goyal | 1 | 0.15% | 1 | 20.00% |
| Hao Fang | 1 | 0.15% | 1 | 20.00% |
| Thomas Gleixner | 1 | 0.15% | 1 | 20.00% |
| Total | 671 | 5 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) 2015 Linaro Ltd. * Copyright (c) 2015 HiSilicon Limited. */ #include <linux/mfd/syscon.h> #include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/phy/phy.h> #include <linux/regmap.h> #define SC_PERIPH_CTRL4 0x00c #define CTRL4_PICO_SIDDQ BIT(6) #define CTRL4_PICO_OGDISABLE BIT(8) #define CTRL4_PICO_VBUSVLDEXT BIT(10) #define CTRL4_PICO_VBUSVLDEXTSEL BIT(11) #define CTRL4_OTG_PHY_SEL BIT(21) #define SC_PERIPH_CTRL5 0x010 #define CTRL5_USBOTG_RES_SEL BIT(3) #define CTRL5_PICOPHY_ACAENB BIT(4) #define CTRL5_PICOPHY_BC_MODE BIT(5) #define CTRL5_PICOPHY_CHRGSEL BIT(6) #define CTRL5_PICOPHY_VDATSRCEND BIT(7) #define CTRL5_PICOPHY_VDATDETENB BIT(8) #define CTRL5_PICOPHY_DCDENB BIT(9) #define CTRL5_PICOPHY_IDDIG BIT(10) #define SC_PERIPH_CTRL8 0x018 #define SC_PERIPH_RSTEN0 0x300 #define SC_PERIPH_RSTDIS0 0x304 #define RST0_USBOTG_BUS BIT(4) #define RST0_POR_PICOPHY BIT(5) #define RST0_USBOTG BIT(6) #define RST0_USBOTG_32K BIT(7) #define EYE_PATTERN_PARA 0x7053348c struct hi6220_priv { struct regmap *reg; struct device *dev; }; static void hi6220_phy_init(struct hi6220_priv *priv) { struct regmap *reg = priv->reg; u32 val, mask; val = RST0_USBOTG_BUS | RST0_POR_PICOPHY | RST0_USBOTG | RST0_USBOTG_32K; mask = val; regmap_update_bits(reg, SC_PERIPH_RSTEN0, mask, val); regmap_update_bits(reg, SC_PERIPH_RSTDIS0, mask, val); } static int hi6220_phy_setup(struct hi6220_priv *priv, bool on) { struct regmap *reg = priv->reg; u32 val, mask; int ret; if (on) { val = CTRL5_USBOTG_RES_SEL | CTRL5_PICOPHY_ACAENB; mask = val | CTRL5_PICOPHY_BC_MODE; ret = regmap_update_bits(reg, SC_PERIPH_CTRL5, mask, val); if (ret) goto out; val = CTRL4_PICO_VBUSVLDEXT | CTRL4_PICO_VBUSVLDEXTSEL | CTRL4_OTG_PHY_SEL; mask = val | CTRL4_PICO_SIDDQ | CTRL4_PICO_OGDISABLE; ret = regmap_update_bits(reg, SC_PERIPH_CTRL4, mask, val); if (ret) goto out; ret = regmap_write(reg, SC_PERIPH_CTRL8, EYE_PATTERN_PARA); if (ret) goto out; } else { val = CTRL4_PICO_SIDDQ; mask = val; ret = regmap_update_bits(reg, SC_PERIPH_CTRL4, mask, val); if (ret) goto out; } return 0; out: dev_err(priv->dev, "failed to setup phy ret: %d\n", ret); return ret; } static int hi6220_phy_start(struct phy *phy) { struct hi6220_priv *priv = phy_get_drvdata(phy); return hi6220_phy_setup(priv, true); } static int hi6220_phy_exit(struct phy *phy) { struct hi6220_priv *priv = phy_get_drvdata(phy); return hi6220_phy_setup(priv, false); } static const struct phy_ops hi6220_phy_ops = { .init = hi6220_phy_start, .exit = hi6220_phy_exit, .owner = THIS_MODULE, }; static int hi6220_phy_probe(struct platform_device *pdev) { struct phy_provider *phy_provider; struct device *dev = &pdev->dev; struct phy *phy; struct hi6220_priv *priv; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; priv->dev = dev; priv->reg = syscon_regmap_lookup_by_phandle(dev->of_node, "hisilicon,peripheral-syscon"); if (IS_ERR(priv->reg)) { dev_err(dev, "no hisilicon,peripheral-syscon\n"); return PTR_ERR(priv->reg); } hi6220_phy_init(priv); phy = devm_phy_create(dev, NULL, &hi6220_phy_ops); if (IS_ERR(phy)) return PTR_ERR(phy); phy_set_drvdata(phy, priv); phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); return PTR_ERR_OR_ZERO(phy_provider); } static const struct of_device_id hi6220_phy_of_match[] = { {.compatible = "hisilicon,hi6220-usb-phy",}, { }, }; MODULE_DEVICE_TABLE(of, hi6220_phy_of_match); static struct platform_driver hi6220_phy_driver = { .probe = hi6220_phy_probe, .driver = { .name = "hi6220-usb-phy", .of_match_table = hi6220_phy_of_match, } }; module_platform_driver(hi6220_phy_driver); MODULE_DESCRIPTION("HISILICON HI6220 USB PHY driver"); MODULE_ALIAS("platform:hi6220-usb-phy"); MODULE_LICENSE("GPL");