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Merge branch 'omap4-ehci-for-greg' of git://dev.omapzoom.org/pub/scm/…
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…anand/linux-omap-usb into usb-next

* 'omap4-ehci-for-greg' of git://dev.omapzoom.org/pub/scm/anand/linux-omap-usb:
  omap4: 4430sdp: enable the ehci port on 4430SDP
  arm: omap4: select USB_ARCH_HAS_EHCI
  arm: omap4: usb: add platform init code for EHCI
  arm: omap4: add USBHOST and related base addresses
  usb: ehci-omap: Add OMAP4 support
  omap: usb: ehci: introduce HSIC mode
  usb: ehci-omap: add helpers for checking port mode
  usb: ehci-omap: use clkdev aliases for functional clocks
  omap: clock: add clkdev aliases for EHCI clocks
  usb: ehci: introduce CONFIG_USB_EHCI_HCD_OMAP
  usb: ehci-omap: don't hard-code TLL channel count
  usb: ehci-omap: update clock names to be more generic
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Greg Kroah-Hartman committed Dec 1, 2010
2 parents e7cddda + 6aa85a5 commit 0ae8668
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Showing 10 changed files with 424 additions and 77 deletions.
1 change: 1 addition & 0 deletions arch/arm/mach-omap2/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@ config ARCH_OMAP4
select ARM_GIC
select PL310_ERRATA_588369
select ARM_ERRATA_720789
select USB_ARCH_HAS_EHCI

comment "OMAP Core Type"
depends on ARCH_OMAP2
Expand Down
20 changes: 20 additions & 0 deletions arch/arm/mach-omap2/board-4430sdp.c
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@
#define ETH_KS8851_IRQ 34
#define ETH_KS8851_POWER_ON 48
#define ETH_KS8851_QUART 138
#define OMAP4SDP_MDM_PWR_EN_GPIO 157
#define OMAP4_SFH7741_SENSOR_OUTPUT_GPIO 184
#define OMAP4_SFH7741_ENABLE_GPIO 188

Expand Down Expand Up @@ -225,6 +226,16 @@ static void __init omap_4430sdp_init_irq(void)
omap_gpio_init();
}

static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
.port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
.phy_reset = false,
.reset_gpio_port[0] = -EINVAL,
.reset_gpio_port[1] = -EINVAL,
.reset_gpio_port[2] = -EINVAL,
};

static struct omap_musb_board_data musb_board_data = {
.interface_type = MUSB_INTERFACE_UTMI,
.mode = MUSB_PERIPHERAL,
Expand Down Expand Up @@ -514,6 +525,15 @@ static void __init omap_4430sdp_init(void)
platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
omap_serial_init();
omap4_twl6030_hsmmc_init(mmc);

/* Power on the ULPI PHY */
if (gpio_is_valid(OMAP4SDP_MDM_PWR_EN_GPIO)) {
/* FIXME: Assumes pad is already muxed for GPIO mode */
gpio_request(OMAP4SDP_MDM_PWR_EN_GPIO, "USBB1 PHY VMDM_3V3");
gpio_direction_output(OMAP4SDP_MDM_PWR_EN_GPIO, 1);
}
usb_ehci_init(&ehci_pdata);

/* OMAP4 SDP uses internal transceiver so register nop transceiver */
usb_nop_xceiv_register();
/* FIXME: allow multi-omap to boot until musb is updated for omap4 */
Expand Down
5 changes: 5 additions & 0 deletions arch/arm/mach-omap2/clock3xxx_data.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3278,6 +3278,7 @@ static struct omap_clk omap3xxx_clks[] = {
CLK(NULL, "cpefuse_fck", &cpefuse_fck, CK_3430ES2 | CK_AM35XX),
CLK(NULL, "ts_fck", &ts_fck, CK_3430ES2 | CK_AM35XX),
CLK(NULL, "usbtll_fck", &usbtll_fck, CK_3430ES2 | CK_AM35XX),
CLK("ehci-omap.0", "usbtll_fck", &usbtll_fck, CK_3430ES2 | CK_AM35XX),
CLK("omap-mcbsp.1", "prcm_fck", &core_96m_fck, CK_3XXX),
CLK("omap-mcbsp.5", "prcm_fck", &core_96m_fck, CK_3XXX),
CLK(NULL, "core_96m_fck", &core_96m_fck, CK_3XXX),
Expand Down Expand Up @@ -3313,6 +3314,7 @@ static struct omap_clk omap3xxx_clks[] = {
CLK(NULL, "pka_ick", &pka_ick, CK_343X),
CLK(NULL, "core_l4_ick", &core_l4_ick, CK_3XXX),
CLK(NULL, "usbtll_ick", &usbtll_ick, CK_3430ES2 | CK_AM35XX),
CLK("ehci-omap.0", "usbtll_ick", &usbtll_ick, CK_3430ES2 | CK_AM35XX),
CLK("mmci-omap-hs.2", "ick", &mmchs3_ick, CK_3430ES2 | CK_AM35XX),
CLK(NULL, "icr_ick", &icr_ick, CK_343X),
CLK("omap-aes", "ick", &aes2_ick, CK_343X),
Expand Down Expand Up @@ -3358,8 +3360,11 @@ static struct omap_clk omap3xxx_clks[] = {
CLK(NULL, "cam_ick", &cam_ick, CK_343X),
CLK(NULL, "csi2_96m_fck", &csi2_96m_fck, CK_343X),
CLK(NULL, "usbhost_120m_fck", &usbhost_120m_fck, CK_3430ES2 | CK_AM35XX),
CLK("ehci-omap.0", "hs_fck", &usbhost_120m_fck, CK_3430ES2 | CK_AM35XX),
CLK(NULL, "usbhost_48m_fck", &usbhost_48m_fck, CK_3430ES2 | CK_AM35XX),
CLK("ehci-omap.0", "fs_fck", &usbhost_48m_fck, CK_3430ES2 | CK_AM35XX),
CLK(NULL, "usbhost_ick", &usbhost_ick, CK_3430ES2 | CK_AM35XX),
CLK("ehci-omap.0", "usbhost_ick", &usbhost_ick, CK_3430ES2 | CK_AM35XX),
CLK(NULL, "usim_fck", &usim_fck, CK_3430ES2),
CLK(NULL, "gpt1_fck", &gpt1_fck, CK_3XXX),
CLK(NULL, "wkup_32k_fck", &wkup_32k_fck, CK_3XXX),
Expand Down
5 changes: 5 additions & 0 deletions arch/arm/mach-omap2/clock44xx_data.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2937,6 +2937,7 @@ static struct omap_clk omap44xx_clks[] = {
CLK(NULL, "uart3_fck", &uart3_fck, CK_443X),
CLK(NULL, "uart4_fck", &uart4_fck, CK_443X),
CLK(NULL, "usb_host_fs_fck", &usb_host_fs_fck, CK_443X),
CLK("ehci-omap.0", "fs_fck", &usb_host_fs_fck, CK_443X),
CLK(NULL, "usb_host_hs_utmi_p3_clk", &usb_host_hs_utmi_p3_clk, CK_443X),
CLK(NULL, "usb_host_hs_hsic60m_p1_clk", &usb_host_hs_hsic60m_p1_clk, CK_443X),
CLK(NULL, "usb_host_hs_hsic60m_p2_clk", &usb_host_hs_hsic60m_p2_clk, CK_443X),
Expand All @@ -2948,6 +2949,8 @@ static struct omap_clk omap44xx_clks[] = {
CLK(NULL, "usb_host_hs_hsic480m_p2_clk", &usb_host_hs_hsic480m_p2_clk, CK_443X),
CLK(NULL, "usb_host_hs_func48mclk", &usb_host_hs_func48mclk, CK_443X),
CLK(NULL, "usb_host_hs_fck", &usb_host_hs_fck, CK_443X),
CLK("ehci-omap.0", "hs_fck", &usb_host_hs_fck, CK_443X),
CLK("ehci-omap.0", "usbhost_ick", &dummy_ck, CK_443X),
CLK(NULL, "otg_60m_gfclk", &otg_60m_gfclk, CK_443X),
CLK(NULL, "usb_otg_hs_xclk", &usb_otg_hs_xclk, CK_443X),
CLK("musb_hdrc", "ick", &usb_otg_hs_ick, CK_443X),
Expand All @@ -2956,6 +2959,8 @@ static struct omap_clk omap44xx_clks[] = {
CLK(NULL, "usb_tll_hs_usb_ch0_clk", &usb_tll_hs_usb_ch0_clk, CK_443X),
CLK(NULL, "usb_tll_hs_usb_ch1_clk", &usb_tll_hs_usb_ch1_clk, CK_443X),
CLK(NULL, "usb_tll_hs_ick", &usb_tll_hs_ick, CK_443X),
CLK("ehci-omap.0", "usbtll_ick", &usb_tll_hs_ick, CK_443X),
CLK("ehci-omap.0", "usbtll_fck", &dummy_ck, CK_443X),
CLK(NULL, "usim_ck", &usim_ck, CK_443X),
CLK(NULL, "usim_fclk", &usim_fclk, CK_443X),
CLK(NULL, "usim_fck", &usim_fck, CK_443X),
Expand Down
144 changes: 136 additions & 8 deletions arch/arm/mach-omap2/usb-ehci.c
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Original file line number Diff line number Diff line change
Expand Up @@ -34,22 +34,15 @@

static struct resource ehci_resources[] = {
{
.start = OMAP34XX_EHCI_BASE,
.end = OMAP34XX_EHCI_BASE + SZ_1K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP34XX_UHH_CONFIG_BASE,
.end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP34XX_USBTLL_BASE,
.end = OMAP34XX_USBTLL_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
{ /* general IRQ */
.start = INT_34XX_EHCI_IRQ,
.flags = IORESOURCE_IRQ,
}
};
Expand Down Expand Up @@ -214,13 +207,148 @@ static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
return;
}

static void setup_4430ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
{
switch (port_mode[0]) {
case EHCI_HCD_OMAP_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 EHCI_HCD_OMAP_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 EHCI_HCD_OMAP_MODE_UNKNOWN:
default:
break;
}
switch (port_mode[1]) {
case EHCI_HCD_OMAP_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 EHCI_HCD_OMAP_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 EHCI_HCD_OMAP_MODE_UNKNOWN:
default:
break;
}
}

void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata)
{
platform_device_add_data(&ehci_device, pdata, sizeof(*pdata));

/* Setup Pin IO MUX for EHCI */
if (cpu_is_omap34xx())
if (cpu_is_omap34xx()) {
ehci_resources[0].start = OMAP34XX_EHCI_BASE;
ehci_resources[0].end = OMAP34XX_EHCI_BASE + SZ_1K - 1;
ehci_resources[1].start = OMAP34XX_UHH_CONFIG_BASE;
ehci_resources[1].end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1;
ehci_resources[2].start = OMAP34XX_USBTLL_BASE;
ehci_resources[2].end = OMAP34XX_USBTLL_BASE + SZ_4K - 1;
ehci_resources[3].start = INT_34XX_EHCI_IRQ;
setup_ehci_io_mux(pdata->port_mode);
} else if (cpu_is_omap44xx()) {
ehci_resources[0].start = OMAP44XX_HSUSB_EHCI_BASE;
ehci_resources[0].end = OMAP44XX_HSUSB_EHCI_BASE + SZ_1K - 1;
ehci_resources[1].start = OMAP44XX_UHH_CONFIG_BASE;
ehci_resources[1].end = OMAP44XX_UHH_CONFIG_BASE + SZ_2K - 1;
ehci_resources[2].start = OMAP44XX_USBTLL_BASE;
ehci_resources[2].end = OMAP44XX_USBTLL_BASE + SZ_4K - 1;
ehci_resources[3].start = OMAP44XX_IRQ_EHCI;
setup_4430ehci_io_mux(pdata->port_mode);
}

if (platform_device_register(&ehci_device) < 0) {
printk(KERN_ERR "Unable to register HS-USB (EHCI) device\n");
Expand Down
5 changes: 5 additions & 0 deletions arch/arm/plat-omap/include/plat/omap44xx.h
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Original file line number Diff line number Diff line change
Expand Up @@ -52,5 +52,10 @@
#define OMAP4_MMU1_BASE 0x55082000
#define OMAP4_MMU2_BASE 0x4A066000

#define OMAP44XX_USBTLL_BASE (L4_44XX_BASE + 0x62000)
#define OMAP44XX_UHH_CONFIG_BASE (L4_44XX_BASE + 0x64000)
#define OMAP44XX_HSUSB_OHCI_BASE (L4_44XX_BASE + 0x64800)
#define OMAP44XX_HSUSB_EHCI_BASE (L4_44XX_BASE + 0x64C00)

#endif /* __ASM_ARCH_OMAP44XX_H */

1 change: 1 addition & 0 deletions arch/arm/plat-omap/include/plat/usb.h
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ enum ehci_hcd_omap_mode {
EHCI_HCD_OMAP_MODE_UNKNOWN,
EHCI_HCD_OMAP_MODE_PHY,
EHCI_HCD_OMAP_MODE_TLL,
EHCI_HCD_OMAP_MODE_HSIC,
};

enum ohci_omap3_port_mode {
Expand Down
8 changes: 8 additions & 0 deletions drivers/usb/host/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -133,6 +133,14 @@ config USB_EHCI_MXC
---help---
Variation of ARC USB block used in some Freescale chips.

config USB_EHCI_HCD_OMAP
bool "EHCI support for OMAP3 and later chips"
depends on USB_EHCI_HCD && ARCH_OMAP
default y
--- help ---
Enables support for the on-chip EHCI controller on
OMAP3 and later chips.

config USB_EHCI_HCD_PPC_OF
bool "EHCI support for PPC USB controller on OF platform bus"
depends on USB_EHCI_HCD && PPC_OF
Expand Down
2 changes: 1 addition & 1 deletion drivers/usb/host/ehci-hcd.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1171,7 +1171,7 @@ MODULE_LICENSE ("GPL");
#define PLATFORM_DRIVER ehci_hcd_au1xxx_driver
#endif

#ifdef CONFIG_ARCH_OMAP3
#ifdef CONFIG_USB_EHCI_HCD_OMAP
#include "ehci-omap.c"
#define PLATFORM_DRIVER ehci_hcd_omap_driver
#endif
Expand Down
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