diff options
Diffstat (limited to 'drivers/phy/phy-exynos-dp-video.c')
| -rw-r--r-- | drivers/phy/phy-exynos-dp-video.c | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/drivers/phy/phy-exynos-dp-video.c b/drivers/phy/phy-exynos-dp-video.c deleted file mode 100644 index bb3279dbf88c..000000000000 --- a/drivers/phy/phy-exynos-dp-video.c +++ /dev/null @@ -1,122 +0,0 @@ -/* - * Samsung EXYNOS SoC series Display Port PHY driver - * - * Copyright (C) 2013 Samsung Electronics Co., Ltd. - * Author: Jingoo Han <jg1.han@samsung.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/err.h> -#include <linux/io.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/mfd/syscon.h> -#include <linux/of.h> -#include <linux/of_address.h> -#include <linux/phy/phy.h> -#include <linux/platform_device.h> -#include <linux/regmap.h> -#include <linux/soc/samsung/exynos-regs-pmu.h> - -struct exynos_dp_video_phy_drvdata { - u32 phy_ctrl_offset; -}; - -struct exynos_dp_video_phy { - struct regmap *regs; - const struct exynos_dp_video_phy_drvdata *drvdata; -}; - -static int exynos_dp_video_phy_power_on(struct phy *phy) -{ - struct exynos_dp_video_phy *state = phy_get_drvdata(phy); - - /* Disable power isolation on DP-PHY */ - return regmap_update_bits(state->regs, state->drvdata->phy_ctrl_offset, - EXYNOS4_PHY_ENABLE, EXYNOS4_PHY_ENABLE); -} - -static int exynos_dp_video_phy_power_off(struct phy *phy) -{ - struct exynos_dp_video_phy *state = phy_get_drvdata(phy); - - /* Enable power isolation on DP-PHY */ - return regmap_update_bits(state->regs, state->drvdata->phy_ctrl_offset, - EXYNOS4_PHY_ENABLE, 0); -} - -static const struct phy_ops exynos_dp_video_phy_ops = { - .power_on = exynos_dp_video_phy_power_on, - .power_off = exynos_dp_video_phy_power_off, - .owner = THIS_MODULE, -}; - -static const struct exynos_dp_video_phy_drvdata exynos5250_dp_video_phy = { - .phy_ctrl_offset = EXYNOS5_DPTX_PHY_CONTROL, -}; - -static const struct exynos_dp_video_phy_drvdata exynos5420_dp_video_phy = { - .phy_ctrl_offset = EXYNOS5420_DPTX_PHY_CONTROL, -}; - -static const struct of_device_id exynos_dp_video_phy_of_match[] = { - { - .compatible = "samsung,exynos5250-dp-video-phy", - .data = &exynos5250_dp_video_phy, - }, { - .compatible = "samsung,exynos5420-dp-video-phy", - .data = &exynos5420_dp_video_phy, - }, - { }, -}; -MODULE_DEVICE_TABLE(of, exynos_dp_video_phy_of_match); - -static int exynos_dp_video_phy_probe(struct platform_device *pdev) -{ - struct exynos_dp_video_phy *state; - struct device *dev = &pdev->dev; - const struct of_device_id *match; - struct phy_provider *phy_provider; - struct phy *phy; - - state = devm_kzalloc(dev, sizeof(*state), GFP_KERNEL); - if (!state) - return -ENOMEM; - - state->regs = syscon_regmap_lookup_by_phandle(dev->of_node, - "samsung,pmu-syscon"); - if (IS_ERR(state->regs)) { - dev_err(dev, "Failed to lookup PMU regmap\n"); - return PTR_ERR(state->regs); - } - - match = of_match_node(exynos_dp_video_phy_of_match, dev->of_node); - state->drvdata = match->data; - - phy = devm_phy_create(dev, NULL, &exynos_dp_video_phy_ops); - if (IS_ERR(phy)) { - dev_err(dev, "failed to create Display Port PHY\n"); - return PTR_ERR(phy); - } - phy_set_drvdata(phy, state); - - phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); - - return PTR_ERR_OR_ZERO(phy_provider); -} - -static struct platform_driver exynos_dp_video_phy_driver = { - .probe = exynos_dp_video_phy_probe, - .driver = { - .name = "exynos-dp-video-phy", - .of_match_table = exynos_dp_video_phy_of_match, - } -}; -module_platform_driver(exynos_dp_video_phy_driver); - -MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>"); -MODULE_DESCRIPTION("Samsung EXYNOS SoC DP PHY driver"); -MODULE_LICENSE("GPL v2"); |