Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
304 | 89.41% | 3 | 75.00% | |
36 | 10.59% | 1 | 25.00% | |
Total | 340 | 4 |
Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Joachim Eastwood | 304 | 89.41% | 3 | 75.00% |
Johan Hovold | 36 | 10.59% | 1 | 25.00% |
Total | 340 | 4 |
/* * DWMAC glue for NXP LPC18xx/LPC43xx Ethernet * * Copyright (C) 2015 Joachim Eastwood <manabian@gmail.com> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. */ #include <linux/mfd/syscon.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_net.h> #include <linux/phy.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/stmmac.h> #include "stmmac_platform.h" /* Register defines for CREG syscon */ #define LPC18XX_CREG_CREG6 0x12c # define LPC18XX_CREG_CREG6_ETHMODE_MASK 0x7 # define LPC18XX_CREG_CREG6_ETHMODE_MII 0x0 # define LPC18XX_CREG_CREG6_ETHMODE_RMII 0x4 static int lpc18xx_dwmac_probe(struct platform_device *pdev) { struct plat_stmmacenet_data *plat_dat; struct stmmac_resources stmmac_res; struct regmap *reg; u8 ethmode; int ret; ret = stmmac_get_platform_resources(pdev, &stmmac_res); if (ret) return ret; plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); plat_dat->has_gmac = true; reg = syscon_regmap_lookup_by_compatible("nxp,lpc1850-creg"); if (IS_ERR(reg)) { dev_err(&pdev->dev, "syscon lookup failed\n"); ret = PTR_ERR(reg); goto err_remove_config_dt; } if (plat_dat->interface == PHY_INTERFACE_MODE_MII) { ethmode = LPC18XX_CREG_CREG6_ETHMODE_MII; } else if (plat_dat->interface == PHY_INTERFACE_MODE_RMII) { ethmode = LPC18XX_CREG_CREG6_ETHMODE_RMII; } else { dev_err(&pdev->dev, "Only MII and RMII mode supported\n"); ret = -EINVAL; goto err_remove_config_dt; } regmap_update_bits(reg, LPC18XX_CREG_CREG6, LPC18XX_CREG_CREG6_ETHMODE_MASK, ethmode); ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); if (ret) goto err_remove_config_dt; return 0; err_remove_config_dt: stmmac_remove_config_dt(pdev, plat_dat); return ret; } static const struct of_device_id lpc18xx_dwmac_match[] = { { .compatible = "nxp,lpc1850-dwmac" }, { } }; MODULE_DEVICE_TABLE(of, lpc18xx_dwmac_match); static struct platform_driver lpc18xx_dwmac_driver = { .probe = lpc18xx_dwmac_probe, .remove = stmmac_pltfr_remove, .driver = { .name = "lpc18xx-dwmac", .pm = &stmmac_pltfr_pm_ops, .of_match_table = lpc18xx_dwmac_match, }, }; module_platform_driver(lpc18xx_dwmac_driver); MODULE_AUTHOR("Joachim Eastwood <manabian@gmail.com>"); MODULE_DESCRIPTION("DWMAC glue for LPC18xx/43xx Ethernet"); MODULE_LICENSE("GPL v2");