diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-23 22:04:26 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-23 22:04:26 +0100 |
commit | 22db87ba6bbefcb12493ae9c7be2037f5f12639d (patch) | |
tree | 8f533f536a6bd2802feaec6949cb9bf1900a3af6 | |
parent | 7b2db29fbb4e766fcd02207eb2e2087170bd6ebc (diff) | |
parent | 1a09b6a7c10e22c489a8b212dd6862b1fd9674ad (diff) |
Merge tag 'phy-for-4.11-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-linus
Kishon writes:
phy: for 4.11-rc
*) Revert USB3 PHY support for Broadcom NSP SoC
*) Fix compiler error on qcom-usb-hs when depends on EXTCON
is not added
*) Fix error handling in phy-exynos-pcie
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
-rw-r--r-- | Documentation/devicetree/bindings/phy/brcm,nsp-usb3-phy.txt | 39 | ||||
-rw-r--r-- | drivers/phy/Kconfig | 9 | ||||
-rw-r--r-- | drivers/phy/Makefile | 1 | ||||
-rw-r--r-- | drivers/phy/phy-bcm-nsp-usb3.c | 177 | ||||
-rw-r--r-- | drivers/phy/phy-exynos-pcie.c | 4 |
5 files changed, 3 insertions, 227 deletions
diff --git a/Documentation/devicetree/bindings/phy/brcm,nsp-usb3-phy.txt b/Documentation/devicetree/bindings/phy/brcm,nsp-usb3-phy.txt deleted file mode 100644 index e68ae5dec9c9..000000000000 --- a/Documentation/devicetree/bindings/phy/brcm,nsp-usb3-phy.txt +++ /dev/null @@ -1,39 +0,0 @@ -Broadcom USB3 phy binding for northstar plus SoC -The USB3 phy is internal to the SoC and is accessed using mdio interface. - -Required mdio bus properties: -- reg: Should be 0x0 for SoC internal USB3 phy -- #address-cells: must be 1 -- #size-cells: must be 0 - -Required USB3 PHY properties: -- compatible: should be "brcm,nsp-usb3-phy" -- reg: USB3 Phy address on SoC internal MDIO bus and it should be 0x10. -- usb3-ctrl-syscon: handler of syscon node defining physical address - of usb3 control register. -- #phy-cells: must be 0 - -Required usb3 control properties: -- compatible: should be "brcm,nsp-usb3-ctrl" -- reg: offset and length of the control registers - -Example: - - mdio@0 { - reg = <0x0>; - #address-cells = <1>; - #size-cells = <0>; - - usb3_phy: usb-phy@10 { - compatible = "brcm,nsp-usb3-phy"; - reg = <0x10>; - usb3-ctrl-syscon = <&usb3_ctrl>; - #phy-cells = <0>; - status = "disabled"; - }; - }; - - usb3_ctrl: syscon@104408 { - compatible = "brcm,nsp-usb3-ctrl", "syscon"; - reg = <0x104408 0x3fc>; - }; diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig index dc5277ad1b5a..005cadb7a3f8 100644 --- a/drivers/phy/Kconfig +++ b/drivers/phy/Kconfig @@ -449,6 +449,7 @@ config PHY_QCOM_UFS config PHY_QCOM_USB_HS tristate "Qualcomm USB HS PHY module" depends on USB_ULPI_BUS + depends on EXTCON || !EXTCON # if EXTCON=m, this cannot be built-in select GENERIC_PHY help Support for the USB high-speed ULPI compliant phy on Qualcomm @@ -510,12 +511,4 @@ config PHY_MESON8B_USB2 and GXBB SoCs. If unsure, say N. -config PHY_NSP_USB3 - tristate "Broadcom NorthStar plus USB3 PHY driver" - depends on OF && (ARCH_BCM_NSP || COMPILE_TEST) - select GENERIC_PHY - default ARCH_BCM_NSP - help - Enable this to support the Broadcom Northstar plus USB3 PHY. - If unsure, say N. endmenu diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile index e7b0feb1e125..dd8f3b5d2918 100644 --- a/drivers/phy/Makefile +++ b/drivers/phy/Makefile @@ -62,4 +62,3 @@ obj-$(CONFIG_PHY_CYGNUS_PCIE) += phy-bcm-cygnus-pcie.o obj-$(CONFIG_ARCH_TEGRA) += tegra/ obj-$(CONFIG_PHY_NS2_PCIE) += phy-bcm-ns2-pcie.o obj-$(CONFIG_PHY_MESON8B_USB2) += phy-meson8b-usb2.o -obj-$(CONFIG_PHY_NSP_USB3) += phy-bcm-nsp-usb3.o diff --git a/drivers/phy/phy-bcm-nsp-usb3.c b/drivers/phy/phy-bcm-nsp-usb3.c deleted file mode 100644 index 49024eaa5545..000000000000 --- a/drivers/phy/phy-bcm-nsp-usb3.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - * Copyright (C) 2016 Broadcom - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/kernel.h> -#include <linux/mfd/syscon.h> -#include <linux/mdio.h> -#include <linux/module.h> -#include <linux/of.h> -#include <linux/of_address.h> -#include <linux/phy/phy.h> -#include <linux/regmap.h> - -#define NSP_USB3_RST_CTRL_OFFSET 0x3f8 - -/* mdio reg access */ -#define NSP_USB3_PHY_BASE_ADDR_REG 0x1f - -#define NSP_USB3_PHY_PLL30_BLOCK 0x8000 -#define NSP_USB3_PLL_CONTROL 0x01 -#define NSP_USB3_PLLA_CONTROL0 0x0a -#define NSP_USB3_PLLA_CONTROL1 0x0b - -#define NSP_USB3_PHY_TX_PMD_BLOCK 0x8040 -#define NSP_USB3_TX_PMD_CONTROL1 0x01 - -#define NSP_USB3_PHY_PIPE_BLOCK 0x8060 -#define NSP_USB3_LFPS_CMP 0x02 -#define NSP_USB3_LFPS_DEGLITCH 0x03 - -struct nsp_usb3_phy { - struct regmap *usb3_ctrl; - struct phy *phy; - struct mdio_device *mdiodev; -}; - -static int nsp_usb3_phy_init(struct phy *phy) -{ - struct nsp_usb3_phy *iphy = phy_get_drvdata(phy); - struct mii_bus *bus = iphy->mdiodev->bus; - int addr = iphy->mdiodev->addr; - u32 data; - int rc; - - rc = regmap_read(iphy->usb3_ctrl, 0, &data); - if (rc) - return rc; - data |= 1; - rc = regmap_write(iphy->usb3_ctrl, 0, data); - if (rc) - return rc; - - rc = regmap_write(iphy->usb3_ctrl, NSP_USB3_RST_CTRL_OFFSET, 1); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_PHY_BASE_ADDR_REG, - NSP_USB3_PHY_PLL30_BLOCK); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_PLL_CONTROL, 0x1000); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_PLLA_CONTROL0, 0x6400); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_PLLA_CONTROL1, 0xc000); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_PLLA_CONTROL1, 0x8000); - if (rc) - return rc; - - rc = regmap_write(iphy->usb3_ctrl, NSP_USB3_RST_CTRL_OFFSET, 0); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_PLL_CONTROL, 0x9000); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_PHY_BASE_ADDR_REG, - NSP_USB3_PHY_PIPE_BLOCK); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_LFPS_CMP, 0xf30d); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_LFPS_DEGLITCH, 0x6302); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_PHY_BASE_ADDR_REG, - NSP_USB3_PHY_TX_PMD_BLOCK); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_TX_PMD_CONTROL1, 0x1003); - - return rc; -} - -static struct phy_ops nsp_usb3_phy_ops = { - .init = nsp_usb3_phy_init, - .owner = THIS_MODULE, -}; - -static int nsp_usb3_phy_probe(struct mdio_device *mdiodev) -{ - struct device *dev = &mdiodev->dev; - struct phy_provider *provider; - struct nsp_usb3_phy *iphy; - - iphy = devm_kzalloc(dev, sizeof(*iphy), GFP_KERNEL); - if (!iphy) - return -ENOMEM; - iphy->mdiodev = mdiodev; - - iphy->usb3_ctrl = syscon_regmap_lookup_by_phandle(dev->of_node, - "usb3-ctrl-syscon"); - if (IS_ERR(iphy->usb3_ctrl)) - return PTR_ERR(iphy->usb3_ctrl); - - iphy->phy = devm_phy_create(dev, dev->of_node, &nsp_usb3_phy_ops); - if (IS_ERR(iphy->phy)) { - dev_err(dev, "failed to create PHY\n"); - return PTR_ERR(iphy->phy); - } - - phy_set_drvdata(iphy->phy, iphy); - - provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); - if (IS_ERR(provider)) { - dev_err(dev, "could not register PHY provider\n"); - return PTR_ERR(provider); - } - - return 0; -} - -static const struct of_device_id nsp_usb3_phy_of_match[] = { - {.compatible = "brcm,nsp-usb3-phy",}, - { /* sentinel */ } -}; - -static struct mdio_driver nsp_usb3_phy_driver = { - .mdiodrv = { - .driver = { - .name = "nsp-usb3-phy", - .of_match_table = nsp_usb3_phy_of_match, - }, - }, - .probe = nsp_usb3_phy_probe, -}; - -mdio_module_driver(nsp_usb3_phy_driver); - -MODULE_DESCRIPTION("Broadcom NSP USB3 PHY driver"); -MODULE_LICENSE("GPL v2"); -MODULE_AUTHOR("Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@broadcom.com"); diff --git a/drivers/phy/phy-exynos-pcie.c b/drivers/phy/phy-exynos-pcie.c index 4f60b83641d5..60baf25d98e2 100644 --- a/drivers/phy/phy-exynos-pcie.c +++ b/drivers/phy/phy-exynos-pcie.c @@ -254,8 +254,8 @@ static int exynos_pcie_phy_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 1); exynos_phy->blk_base = devm_ioremap_resource(dev, res); - if (IS_ERR(exynos_phy->phy_base)) - return PTR_ERR(exynos_phy->phy_base); + if (IS_ERR(exynos_phy->blk_base)) + return PTR_ERR(exynos_phy->blk_base); exynos_phy->drv_data = drv_data; |