50f737ab96
*) Add support in PHY core to create link between PHY consumer and PHY
provider
*) Add DisplayPort PHY configuration set to be used for negotiating the
configurations to be used between DisplayPort controller and
DisplayPort PHY
*) Add PHY wrapper driver (configure inputs to Cadence Sierra PHY) for
TI's J721E SoC and adapt Cadence Sierra PHY driver to be used for
J721E SoC (Supports USB and PCIe)
*) Add PHY driver for eMMC PHY in Intel LGM SoC
*) Add PHY support for 7216 and 7211 Broadcom SoCs which uses the new
Synopsys USB Controller
*) Add support for 16nm SATA PHY present in Broadcom 7216 SoC
*) Fix lost packet issue, fix MDIO from getting inaccessible, fix
occasional transaction failures, fix USB driver from crashing in
Broadcom USB PHY driver
*) Fix missing PCS SW reset in UFS PHY of Qualcomm SM8150
*) Use "struct phy_configure_opts_mipi_dphy" to pass parameters from
display controller to rockchip-inno-dsidphy
*) Other cleanups including compile testing for some of the PHY drivers,
fixing Kconfig indentation, duplicate writes in drivers etc.,
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-5.6_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next
Kishon writes:
phy: for 5.6
*) Add support in PHY core to create link between PHY consumer and PHY
provider
*) Add DisplayPort PHY configuration set to be used for negotiating the
configurations to be used between DisplayPort controller and
DisplayPort PHY
*) Add PHY wrapper driver (configure inputs to Cadence Sierra PHY) for
TI's J721E SoC and adapt Cadence Sierra PHY driver to be used for
J721E SoC (Supports USB and PCIe)
*) Add PHY driver for eMMC PHY in Intel LGM SoC
*) Add PHY support for 7216 and 7211 Broadcom SoCs which uses the new
Synopsys USB Controller
*) Add support for 16nm SATA PHY present in Broadcom 7216 SoC
*) Fix lost packet issue, fix MDIO from getting inaccessible, fix
occasional transaction failures, fix USB driver from crashing in
Broadcom USB PHY driver
*) Fix missing PCS SW reset in UFS PHY of Qualcomm SM8150
*) Use "struct phy_configure_opts_mipi_dphy" to pass parameters from
display controller to rockchip-inno-dsidphy
*) Other cleanups including compile testing for some of the PHY drivers,
fixing Kconfig indentation, duplicate writes in drivers etc.,
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
* tag 'phy-for-5.6_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy: (54 commits)
dt-bindings: phy: Add PHY_TYPE_DP definition
phy: ti: j721e-wiz: Fix return value check in wiz_probe()
dt-bindings: usb: Convert Allwinner A80 USB PHY controller to a schema
phy: intel-lgm-emmc: Fix warning by adding missing MODULE_LICENSE
phy: ti: j721e-wiz: Manage typec-gpio-dir
dt-bindings: phy: ti,phy-j721e-wiz: Add Type-C dir GPIO
phy: cadence: Sierra: add phy_reset hook
phy: cadence: Sierra: remove redundant initialization of pointer regmap
phy: Add DisplayPort configuration options
phy: Enable compile testing for some of drivers
phy: mediatek: Fix Kconfig indentation
phy: intel-lgm-emmc: Add support for eMMC PHY
dt-bindings: phy: intel-emmc-phy: Add YAML schema for LGM eMMC PHY
phy: ti: j721e-wiz: Add support for WIZ module present in TI J721E SoC
dt-bindings: phy: Document WIZ (SERDES wrapper) bindings
phy: cadence: Sierra: Use correct dev pointer in cdns_sierra_phy_remove()
phy: cadence: Sierra: Set cmn_refclk_dig_div/cmn_refclk1_dig_div frequency to 25MHz
phy: cadence: Sierra: Change MAX_LANES of Sierra to 16
phy: cadence: Sierra: Check for PLL lock during PHY power on
phy: cadence: Sierra: Get reset control "array" for each link
...
76 lines
1.5 KiB
C
76 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-1.0+
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/*
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* Renesas USB driver R-Car Gen. 2 initialization and power control
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*
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* Copyright (C) 2014 Ulrich Hecht
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* Copyright (C) 2019 Renesas Electronics Corporation
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*/
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#include <linux/phy/phy.h>
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#include "common.h"
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#include "rcar2.h"
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static int usbhs_rcar2_hardware_init(struct platform_device *pdev)
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{
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struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
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if (IS_ENABLED(CONFIG_GENERIC_PHY)) {
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struct phy *phy = phy_get(&pdev->dev, "usb");
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if (IS_ERR(phy))
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return PTR_ERR(phy);
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priv->phy = phy;
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return 0;
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}
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return -ENXIO;
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}
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static int usbhs_rcar2_hardware_exit(struct platform_device *pdev)
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{
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struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
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if (priv->phy) {
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phy_put(&pdev->dev, priv->phy);
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priv->phy = NULL;
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}
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return 0;
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}
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static int usbhs_rcar2_power_ctrl(struct platform_device *pdev,
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void __iomem *base, int enable)
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{
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struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
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int retval = -ENODEV;
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if (priv->phy) {
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if (enable) {
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retval = phy_init(priv->phy);
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if (!retval)
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retval = phy_power_on(priv->phy);
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} else {
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phy_power_off(priv->phy);
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phy_exit(priv->phy);
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retval = 0;
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}
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}
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return retval;
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}
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const struct renesas_usbhs_platform_info usbhs_rcar_gen2_plat_info = {
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.platform_callback = {
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.hardware_init = usbhs_rcar2_hardware_init,
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.hardware_exit = usbhs_rcar2_hardware_exit,
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.power_ctrl = usbhs_rcar2_power_ctrl,
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.get_id = usbhs_get_id_as_gadget,
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},
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.driver_param = {
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.has_usb_dmac = 1,
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.has_new_pipe_configs = 1,
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},
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};
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