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Diffstat (limited to 'arch/arm/mach-omap2/usb-host.c')
-rw-r--r--arch/arm/mach-omap2/usb-host.c300
1 files changed, 56 insertions, 244 deletions
diff --git a/arch/arm/mach-omap2/usb-host.c b/arch/arm/mach-omap2/usb-host.c
index aa27d7f5cbb7..2eb19d4d0aa1 100644
--- a/arch/arm/mach-omap2/usb-host.c
+++ b/arch/arm/mach-omap2/usb-host.c
@@ -28,6 +28,7 @@
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/usb/phy.h>
+#include <linux/usb/nop-usb-xceiv.h>
#include "soc.h"
#include "omap_device.h"
@@ -188,125 +189,6 @@ static void __init setup_ehci_io_mux(const enum usbhs_omap_port_mode *port_mode)
return;
}
-static
-void __init setup_4430ehci_io_mux(const enum usbhs_omap_port_mode *port_mode)
-{
- switch (port_mode[0]) {
- case OMAP_EHCI_PORT_MODE_PHY:
- omap_mux_init_signal("usbb1_ulpiphy_stp",
- OMAP_PIN_OUTPUT);
- omap_mux_init_signal("usbb1_ulpiphy_clk",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpiphy_dir",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpiphy_nxt",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpiphy_dat0",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpiphy_dat1",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpiphy_dat2",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpiphy_dat3",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpiphy_dat4",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpiphy_dat5",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpiphy_dat6",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpiphy_dat7",
- OMAP_PIN_INPUT_PULLDOWN);
- break;
- case OMAP_EHCI_PORT_MODE_TLL:
- omap_mux_init_signal("usbb1_ulpitll_stp",
- OMAP_PIN_INPUT_PULLUP);
- omap_mux_init_signal("usbb1_ulpitll_clk",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpitll_dir",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpitll_nxt",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpitll_dat0",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpitll_dat1",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpitll_dat2",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpitll_dat3",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpitll_dat4",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpitll_dat5",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpitll_dat6",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_ulpitll_dat7",
- OMAP_PIN_INPUT_PULLDOWN);
- break;
- case OMAP_USBHS_PORT_MODE_UNUSED:
- default:
- break;
- }
- switch (port_mode[1]) {
- case OMAP_EHCI_PORT_MODE_PHY:
- omap_mux_init_signal("usbb2_ulpiphy_stp",
- OMAP_PIN_OUTPUT);
- omap_mux_init_signal("usbb2_ulpiphy_clk",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpiphy_dir",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpiphy_nxt",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpiphy_dat0",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpiphy_dat1",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpiphy_dat2",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpiphy_dat3",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpiphy_dat4",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpiphy_dat5",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpiphy_dat6",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpiphy_dat7",
- OMAP_PIN_INPUT_PULLDOWN);
- break;
- case OMAP_EHCI_PORT_MODE_TLL:
- omap_mux_init_signal("usbb2_ulpitll_stp",
- OMAP_PIN_INPUT_PULLUP);
- omap_mux_init_signal("usbb2_ulpitll_clk",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpitll_dir",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpitll_nxt",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpitll_dat0",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpitll_dat1",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpitll_dat2",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpitll_dat3",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpitll_dat4",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpitll_dat5",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpitll_dat6",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_ulpitll_dat7",
- OMAP_PIN_INPUT_PULLDOWN);
- break;
- case OMAP_USBHS_PORT_MODE_UNUSED:
- default:
- break;
- }
-}
-
static void __init setup_ohci_io_mux(const enum usbhs_omap_port_mode *port_mode)
{
switch (port_mode[0]) {
@@ -404,78 +286,6 @@ static void __init setup_ohci_io_mux(const enum usbhs_omap_port_mode *port_mode)
}
}
-static
-void __init setup_4430ohci_io_mux(const enum usbhs_omap_port_mode *port_mode)
-{
- switch (port_mode[0]) {
- case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
- case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
- case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
- case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
- omap_mux_init_signal("usbb1_mm_rxdp",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_mm_rxdm",
- OMAP_PIN_INPUT_PULLDOWN);
-
- case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
- case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
- omap_mux_init_signal("usbb1_mm_rxrcv",
- OMAP_PIN_INPUT_PULLDOWN);
-
- case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
- case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
- omap_mux_init_signal("usbb1_mm_txen",
- OMAP_PIN_INPUT_PULLDOWN);
-
-
- case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
- case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
- omap_mux_init_signal("usbb1_mm_txdat",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb1_mm_txse0",
- OMAP_PIN_INPUT_PULLDOWN);
- break;
-
- case OMAP_USBHS_PORT_MODE_UNUSED:
- default:
- break;
- }
-
- switch (port_mode[1]) {
- case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
- case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
- case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
- case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
- omap_mux_init_signal("usbb2_mm_rxdp",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_mm_rxdm",
- OMAP_PIN_INPUT_PULLDOWN);
-
- case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
- case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
- omap_mux_init_signal("usbb2_mm_rxrcv",
- OMAP_PIN_INPUT_PULLDOWN);
-
- case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
- case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
- omap_mux_init_signal("usbb2_mm_txen",
- OMAP_PIN_INPUT_PULLDOWN);
-
-
- case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
- case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
- omap_mux_init_signal("usbb2_mm_txdat",
- OMAP_PIN_INPUT_PULLDOWN);
- omap_mux_init_signal("usbb2_mm_txse0",
- OMAP_PIN_INPUT_PULLDOWN);
- break;
-
- case OMAP_USBHS_PORT_MODE_UNUSED:
- default:
- break;
- }
-}
-
void __init usbhs_init(struct usbhs_omap_platform_data *pdata)
{
struct omap_hwmod *uhh_hwm, *tll_hwm;
@@ -489,9 +299,6 @@ void __init usbhs_init(struct usbhs_omap_platform_data *pdata)
if (omap_rev() <= OMAP3430_REV_ES2_1)
pdata->single_ulpi_bypass = true;
- } else if (cpu_is_omap44xx()) {
- setup_4430ehci_io_mux(pdata->port_mode);
- setup_4430ohci_io_mux(pdata->port_mode);
}
uhh_hwm = omap_hwmod_lookup(USBHS_UHH_HWMODNAME);
@@ -560,7 +367,8 @@ static int usbhs_add_regulator(char *name, char *dev_id, char *dev_supply,
struct regulator_init_data *reg_data;
struct fixed_voltage_config *config;
struct platform_device *pdev;
- int ret;
+ struct platform_device_info pdevinfo;
+ int ret = -ENOMEM;
supplies = kzalloc(sizeof(*supplies), GFP_KERNEL);
if (!supplies)
@@ -571,7 +379,7 @@ static int usbhs_add_regulator(char *name, char *dev_id, char *dev_supply,
reg_data = kzalloc(sizeof(*reg_data), GFP_KERNEL);
if (!reg_data)
- return -ENOMEM;
+ goto err_data;
reg_data->constraints.valid_ops_mask = REGULATOR_CHANGE_STATUS;
reg_data->consumer_supplies = supplies;
@@ -580,39 +388,53 @@ static int usbhs_add_regulator(char *name, char *dev_id, char *dev_supply,
config = kmemdup(&hsusb_reg_config, sizeof(hsusb_reg_config),
GFP_KERNEL);
if (!config)
- return -ENOMEM;
+ goto err_config;
+
+ config->supply_name = kstrdup(name, GFP_KERNEL);
+ if (!config->supply_name)
+ goto err_supplyname;
- config->supply_name = name;
config->gpio = gpio;
config->enable_high = polarity;
config->init_data = reg_data;
/* create a regulator device */
- pdev = kzalloc(sizeof(*pdev), GFP_KERNEL);
- if (!pdev)
- return -ENOMEM;
+ memset(&pdevinfo, 0, sizeof(pdevinfo));
+ pdevinfo.name = reg_name;
+ pdevinfo.id = PLATFORM_DEVID_AUTO;
+ pdevinfo.data = config;
+ pdevinfo.size_data = sizeof(*config);
- pdev->id = PLATFORM_DEVID_AUTO;
- pdev->name = reg_name;
- pdev->dev.platform_data = config;
+ pdev = platform_device_register_full(&pdevinfo);
+ if (IS_ERR(pdev)) {
+ ret = PTR_ERR(pdev);
+ pr_err("%s: Failed registering regulator %s for %s : %d\n",
+ __func__, name, dev_id, ret);
+ goto err_register;
+ }
- ret = platform_device_register(pdev);
- if (ret)
- pr_err("%s: Failed registering regulator %s for %s\n",
- __func__, name, dev_id);
+ return 0;
+err_register:
+ kfree(config->supply_name);
+err_supplyname:
+ kfree(config);
+err_config:
+ kfree(reg_data);
+err_data:
+ kfree(supplies);
return ret;
}
+#define MAX_STR 20
+
int usbhs_init_phys(struct usbhs_phy_data *phy, int num_phys)
{
- char *rail_name;
- int i, len;
+ char rail_name[MAX_STR];
+ int i;
struct platform_device *pdev;
char *phy_id;
-
- /* the phy_id will be something like "nop_usb_xceiv.1" */
- len = strlen(nop_name) + 3; /* 3 -> ".1" and NULL terminator */
+ struct platform_device_info pdevinfo;
for (i = 0; i < num_phys; i++) {
@@ -627,25 +449,26 @@ int usbhs_init_phys(struct usbhs_phy_data *phy, int num_phys)
!gpio_is_valid(phy->vcc_gpio))
continue;
- /* create a NOP PHY device */
- pdev = kzalloc(sizeof(*pdev), GFP_KERNEL);
- if (!pdev)
+ phy_id = kmalloc(MAX_STR, GFP_KERNEL);
+ if (!phy_id) {
+ pr_err("%s: kmalloc() failed\n", __func__);
return -ENOMEM;
+ }
- pdev->id = phy->port;
- pdev->name = nop_name;
- pdev->dev.platform_data = phy->platform_data;
-
- phy_id = kmalloc(len, GFP_KERNEL);
- if (!phy_id)
- return -ENOMEM;
-
- scnprintf(phy_id, len, "nop_usb_xceiv.%d\n",
- pdev->id);
-
- if (platform_device_register(pdev)) {
- pr_err("%s: Failed to register device %s\n",
- __func__, phy_id);
+ /* create a NOP PHY device */
+ memset(&pdevinfo, 0, sizeof(pdevinfo));
+ pdevinfo.name = nop_name;
+ pdevinfo.id = phy->port;
+ pdevinfo.data = phy->platform_data;
+ pdevinfo.size_data = sizeof(struct nop_usb_xceiv_platform_data);
+
+ scnprintf(phy_id, MAX_STR, "nop_usb_xceiv.%d",
+ phy->port);
+ pdev = platform_device_register_full(&pdevinfo);
+ if (IS_ERR(pdev)) {
+ pr_err("%s: Failed to register device %s : %ld\n",
+ __func__, phy_id, PTR_ERR(pdev));
+ kfree(phy_id);
continue;
}
@@ -653,26 +476,15 @@ int usbhs_init_phys(struct usbhs_phy_data *phy, int num_phys)
/* Do we need RESET regulator ? */
if (gpio_is_valid(phy->reset_gpio)) {
-
- rail_name = kmalloc(13, GFP_KERNEL);
- if (!rail_name)
- return -ENOMEM;
-
- scnprintf(rail_name, 13, "hsusb%d_reset", phy->port);
-
+ scnprintf(rail_name, MAX_STR,
+ "hsusb%d_reset", phy->port);
usbhs_add_regulator(rail_name, phy_id, "reset",
phy->reset_gpio, 1);
}
/* Do we need VCC regulator ? */
if (gpio_is_valid(phy->vcc_gpio)) {
-
- rail_name = kmalloc(13, GFP_KERNEL);
- if (!rail_name)
- return -ENOMEM;
-
- scnprintf(rail_name, 13, "hsusb%d_vcc", phy->port);
-
+ scnprintf(rail_name, MAX_STR, "hsusb%d_vcc", phy->port);
usbhs_add_regulator(rail_name, phy_id, "vcc",
phy->vcc_gpio, phy->vcc_polarity);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-17 07:45:08 +0100