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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-02-12 14:59:43 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-02-12 14:59:43 +0100
commit0220dcd1138b77bd93ae554f651d1b61ad2403fa (patch)
tree891e7bdf8d08d9b2d0255e5d91ebdd29ca50f3b2 /drivers/phy/ti
parenta8ded8eb7765233471b24bd23bdd65b44da5583a (diff)
parent203d9b11928cf68907344c24bd78726fa69de6cb (diff)
Merge tag 'phy-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next
Kishon writes: phy: for 5.1 *) Add a new driver to support Armada 3700 COMPHY IP (supports SATA, USB3, PCIe) *) Add a new driver to support Armada UTMI PHY *) Add a new driver to support Cadence D-PHY *) Extend omap-usb2 PHY driver to be used for AM654 USB2 PHY *) Extend qcom-qmp PHY driver to be used for UFS PHY and USB3 PHY in Qualcomm MSM8998 *) Extend qcom-qusb2 PHY driver to support QUSB2 PHY in Qualcomm MSM8998 *) Remove module specific code that is present for drivers that can be only built-in *) Allow Freescale IMX8MQ USB to be used for multiple SoCs and not just i.MX8MQ *) Cleanups such as switch to SPDX identifier, use readl_poll_timeout macro, remove unused headers etc., Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> * tag 'phy-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy: (32 commits) phy: qcom-qmp: Add QMP UFS PHY support for msm8998 dt-bindings: phy-qcom-qmp: Add qcom,msm8998-qmp-ufs-phy phy: bcm-sr-pcie: Change operation when PIPEMUX=1 phy: Add Cadence D-PHY support dt-bindings: phy: Move the Cadence D-PHY bindings phy: dphy: Clarify lanes parameter documentation phy: dphy: Change units of wakeup and init parameters phy: dphy: Remove unused header MAINTAINERS: phy: fill Armada 3700 PHY drivers entry dt-bindings: phy: mvebu-utmi: add UTMI PHY bindings phy: add A3700 UTMI PHY driver MAINTAINERS: phy: add entry for Armada 3700 COMPHY driver dt-bindings: phy: mvebu-comphy: extend the file to describe a3700 bindings phy: add A3700 COMPHY support phy: mvebu-cp110-comphy: fix port check in ->xlate() phy: armada375-usb2: switch to SPDX license identifier phy: make phy-armada375-usb2 explicitly non-modular phy: make phy-mvebu-sata explicitly non-modular phy: make phy-core explicitly non-modular phy: qcom-qusb2: Add QUSB2 PHY support for msm8998 ...
Diffstat (limited to 'drivers/phy/ti')
-rw-r--r--drivers/phy/ti/Kconfig6
-rw-r--r--drivers/phy/ti/phy-omap-usb2.c105
2 files changed, 66 insertions, 45 deletions
diff --git a/drivers/phy/ti/Kconfig b/drivers/phy/ti/Kconfig
index c4709ed7fb0e..103efc456a12 100644
--- a/drivers/phy/ti/Kconfig
+++ b/drivers/phy/ti/Kconfig
@@ -33,12 +33,11 @@ config OMAP_CONTROL_PHY
config OMAP_USB2
tristate "OMAP USB2 PHY Driver"
- depends on ARCH_OMAP2PLUS
+ depends on ARCH_OMAP2PLUS || ARCH_K3
depends on USB_SUPPORT
select GENERIC_PHY
select USB_PHY
- select OMAP_CONTROL_PHY
- depends on OMAP_OCP2SCP
+ select OMAP_CONTROL_PHY if ARCH_OMAP2PLUS
help
Enable this to support the transceiver that is part of SOC. This
driver takes care of all the PHY functionality apart from comparator.
@@ -50,7 +49,6 @@ config TI_PIPE3
depends on ARCH_OMAP2PLUS || COMPILE_TEST
select GENERIC_PHY
select OMAP_CONTROL_PHY
- depends on OMAP_OCP2SCP
help
Enable this to support the PIPE3 PHY that is part of TI SOCs. This
driver takes care of all the PHY functionality apart from comparator.
diff --git a/drivers/phy/ti/phy-omap-usb2.c b/drivers/phy/ti/phy-omap-usb2.c
index fe909fd8144f..e871f2983a0e 100644
--- a/drivers/phy/ti/phy-omap-usb2.c
+++ b/drivers/phy/ti/phy-omap-usb2.c
@@ -36,6 +36,10 @@
#define USB2PHY_DISCON_BYP_LATCH (1 << 31)
#define USB2PHY_ANA_CONFIG1 0x4c
+#define AM654_USB2_OTG_PD BIT(8)
+#define AM654_USB2_VBUS_DET_EN BIT(5)
+#define AM654_USB2_VBUSVALID_DET_EN BIT(4)
+
/**
* omap_usb2_set_comparator - links the comparator present in the sytem with
* this phy
@@ -135,9 +139,9 @@ static int omap_usb_power_on(struct phy *x)
static int omap_usb2_disable_clocks(struct omap_usb *phy)
{
- clk_disable(phy->wkupclk);
+ clk_disable_unprepare(phy->wkupclk);
if (!IS_ERR(phy->optclk))
- clk_disable(phy->optclk);
+ clk_disable_unprepare(phy->optclk);
return 0;
}
@@ -146,14 +150,14 @@ static int omap_usb2_enable_clocks(struct omap_usb *phy)
{
int ret;
- ret = clk_enable(phy->wkupclk);
+ ret = clk_prepare_enable(phy->wkupclk);
if (ret < 0) {
dev_err(phy->dev, "Failed to enable wkupclk %d\n", ret);
goto err0;
}
if (!IS_ERR(phy->optclk)) {
- ret = clk_enable(phy->optclk);
+ ret = clk_prepare_enable(phy->optclk);
if (ret < 0) {
dev_err(phy->dev, "Failed to enable optclk %d\n", ret);
goto err1;
@@ -245,6 +249,15 @@ static const struct usb_phy_data am437x_usb2_data = {
.power_off = AM437X_USB2_PHY_PD | AM437X_USB2_OTG_PD,
};
+static const struct usb_phy_data am654_usb2_data = {
+ .label = "am654_usb2",
+ .flags = OMAP_USB2_CALIBRATE_FALSE_DISCONNECT,
+ .mask = AM654_USB2_OTG_PD | AM654_USB2_VBUS_DET_EN |
+ AM654_USB2_VBUSVALID_DET_EN,
+ .power_on = AM654_USB2_VBUS_DET_EN | AM654_USB2_VBUSVALID_DET_EN,
+ .power_off = AM654_USB2_OTG_PD,
+};
+
static const struct of_device_id omap_usb2_id_table[] = {
{
.compatible = "ti,omap-usb2",
@@ -266,6 +279,10 @@ static const struct of_device_id omap_usb2_id_table[] = {
.compatible = "ti,am437x-usb2",
.data = &am437x_usb2_data,
},
+ {
+ .compatible = "ti,am654-usb2",
+ .data = &am654_usb2_data,
+ },
{},
};
MODULE_DEVICE_TABLE(of, omap_usb2_id_table);
@@ -346,63 +363,72 @@ static int omap_usb2_probe(struct platform_device *pdev)
}
}
- otg->set_host = omap_usb_set_host;
- otg->set_peripheral = omap_usb_set_peripheral;
- if (phy_data->flags & OMAP_USB2_HAS_SET_VBUS)
- otg->set_vbus = omap_usb_set_vbus;
- if (phy_data->flags & OMAP_USB2_HAS_START_SRP)
- otg->start_srp = omap_usb_start_srp;
- otg->usb_phy = &phy->phy;
-
- platform_set_drvdata(pdev, phy);
- pm_runtime_enable(phy->dev);
-
- generic_phy = devm_phy_create(phy->dev, NULL, &ops);
- if (IS_ERR(generic_phy)) {
- pm_runtime_disable(phy->dev);
- return PTR_ERR(generic_phy);
- }
-
- phy_set_drvdata(generic_phy, phy);
- omap_usb_power_off(generic_phy);
-
- phy_provider = devm_of_phy_provider_register(phy->dev,
- of_phy_simple_xlate);
- if (IS_ERR(phy_provider)) {
- pm_runtime_disable(phy->dev);
- return PTR_ERR(phy_provider);
- }
phy->wkupclk = devm_clk_get(phy->dev, "wkupclk");
if (IS_ERR(phy->wkupclk)) {
- dev_warn(&pdev->dev, "unable to get wkupclk, trying old name\n");
+ if (PTR_ERR(phy->wkupclk) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
+ dev_warn(&pdev->dev, "unable to get wkupclk %ld, trying old name\n",
+ PTR_ERR(phy->wkupclk));
phy->wkupclk = devm_clk_get(phy->dev, "usb_phy_cm_clk32k");
+
if (IS_ERR(phy->wkupclk)) {
- dev_err(&pdev->dev, "unable to get usb_phy_cm_clk32k\n");
- pm_runtime_disable(phy->dev);
+ if (PTR_ERR(phy->wkupclk) != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "unable to get usb_phy_cm_clk32k\n");
return PTR_ERR(phy->wkupclk);
} else {
dev_warn(&pdev->dev,
"found usb_phy_cm_clk32k, please fix DTS\n");
}
}
- clk_prepare(phy->wkupclk);
phy->optclk = devm_clk_get(phy->dev, "refclk");
if (IS_ERR(phy->optclk)) {
+ if (PTR_ERR(phy->optclk) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
dev_dbg(&pdev->dev, "unable to get refclk, trying old name\n");
phy->optclk = devm_clk_get(phy->dev, "usb_otg_ss_refclk960m");
+
if (IS_ERR(phy->optclk)) {
- dev_dbg(&pdev->dev,
- "unable to get usb_otg_ss_refclk960m\n");
+ if (PTR_ERR(phy->optclk) != -EPROBE_DEFER) {
+ dev_dbg(&pdev->dev,
+ "unable to get usb_otg_ss_refclk960m\n");
+ }
} else {
dev_warn(&pdev->dev,
"found usb_otg_ss_refclk960m, please fix DTS\n");
}
}
- if (!IS_ERR(phy->optclk))
- clk_prepare(phy->optclk);
+ otg->set_host = omap_usb_set_host;
+ otg->set_peripheral = omap_usb_set_peripheral;
+ if (phy_data->flags & OMAP_USB2_HAS_SET_VBUS)
+ otg->set_vbus = omap_usb_set_vbus;
+ if (phy_data->flags & OMAP_USB2_HAS_START_SRP)
+ otg->start_srp = omap_usb_start_srp;
+ otg->usb_phy = &phy->phy;
+
+ platform_set_drvdata(pdev, phy);
+ pm_runtime_enable(phy->dev);
+
+ generic_phy = devm_phy_create(phy->dev, NULL, &ops);
+ if (IS_ERR(generic_phy)) {
+ pm_runtime_disable(phy->dev);
+ return PTR_ERR(generic_phy);
+ }
+
+ phy_set_drvdata(generic_phy, phy);
+ omap_usb_power_off(generic_phy);
+
+ phy_provider = devm_of_phy_provider_register(phy->dev,
+ of_phy_simple_xlate);
+ if (IS_ERR(phy_provider)) {
+ pm_runtime_disable(phy->dev);
+ return PTR_ERR(phy_provider);
+ }
+
usb_add_phy_dev(&phy->phy);
@@ -413,9 +439,6 @@ static int omap_usb2_remove(struct platform_device *pdev)
{
struct omap_usb *phy = platform_get_drvdata(pdev);
- clk_unprepare(phy->wkupclk);
- if (!IS_ERR(phy->optclk))
- clk_unprepare(phy->optclk);
usb_remove_phy(&phy->phy);
pm_runtime_disable(phy->dev);