diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-11 18:22:55 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-11 18:22:55 -0500 |
commit | 748e566b7e24541e05e3e70be311887a1262f2a1 (patch) | |
tree | 41cc3a9aa04918cc17efa575baf6dbf87f40ddba /arch/arm/plat-mxc | |
parent | 5f1141eb352ea79d849920039503e40dd623fffa (diff) | |
parent | acf509ae28301d78b022c534c26b1e4765c18f2b (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (122 commits)
USB: mos7840: add device IDs for B&B electronics devices
USB: ftdi_sio: add USB device ID's for B&B Electronics line
USB: musb: musb_host: fix sparse warning
USB: musb: musb_gadget: fix sparse warning
USB: musb: omap2430: fix sparse warning
USB: core: message: fix sparse warning
USB: core: hub: fix sparse warning
USB: core: fix sparse warning for static function
USB: Added USB_ETH_RNDIS to use instead of CONFIG_USB_ETH_RNDIS
USB: Check bandwidth when switching alt settings.
USB: Refactor code to find alternate interface settings.
USB: xhci: Fix command completion after a drop endpoint.
USB: xhci: Make reverting an alt setting "unfailable".
USB: usbtmc: Use usb_clear_halt() instead of custom code.
USB: xhci: Add correct email and files to MAINTAINERS entry.
USB: ehci-omap.c: introduce missing kfree
USB: xhci-mem.c: introduce missing kfree
USB: add remove_id sysfs attr for usb drivers
USB: g_multi kconfig: fix depends and help text
USB: option: add pid for ZTE
...
Diffstat (limited to 'arch/arm/plat-mxc')
-rw-r--r-- | arch/arm/plat-mxc/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/plat-mxc/ehci.c | 92 | ||||
-rw-r--r-- | arch/arm/plat-mxc/include/mach/mxc_ehci.h | 37 |
3 files changed, 130 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/Makefile b/arch/arm/plat-mxc/Makefile index 4cbca9da1505..996cbac6932c 100644 --- a/arch/arm/plat-mxc/Makefile +++ b/arch/arm/plat-mxc/Makefile | |||
@@ -9,6 +9,7 @@ obj-$(CONFIG_ARCH_MX1) += iomux-mx1-mx2.o dma-mx1-mx2.o | |||
9 | obj-$(CONFIG_ARCH_MX2) += iomux-mx1-mx2.o dma-mx1-mx2.o | 9 | obj-$(CONFIG_ARCH_MX2) += iomux-mx1-mx2.o dma-mx1-mx2.o |
10 | obj-$(CONFIG_ARCH_MXC_IOMUX_V3) += iomux-v3.o | 10 | obj-$(CONFIG_ARCH_MXC_IOMUX_V3) += iomux-v3.o |
11 | obj-$(CONFIG_MXC_PWM) += pwm.o | 11 | obj-$(CONFIG_MXC_PWM) += pwm.o |
12 | obj-$(CONFIG_USB_EHCI_MXC) += ehci.o | ||
12 | obj-$(CONFIG_MXC_ULPI) += ulpi.o | 13 | obj-$(CONFIG_MXC_ULPI) += ulpi.o |
13 | obj-$(CONFIG_ARCH_MXC_AUDMUX_V1) += audmux-v1.o | 14 | obj-$(CONFIG_ARCH_MXC_AUDMUX_V1) += audmux-v1.o |
14 | obj-$(CONFIG_ARCH_MXC_AUDMUX_V2) += audmux-v2.o | 15 | obj-$(CONFIG_ARCH_MXC_AUDMUX_V2) += audmux-v2.o |
diff --git a/arch/arm/plat-mxc/ehci.c b/arch/arm/plat-mxc/ehci.c new file mode 100644 index 000000000000..41599be882e8 --- /dev/null +++ b/arch/arm/plat-mxc/ehci.c | |||
@@ -0,0 +1,92 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify it | ||
5 | * under the terms of the GNU General Public License as published by the | ||
6 | * Free Software Foundation; either version 2 of the License, or (at your | ||
7 | * option) any later version. | ||
8 | * | ||
9 | * This program is distributed in the hope that it will be useful, but | ||
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | ||
11 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
12 | * for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software Foundation, | ||
16 | * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
17 | */ | ||
18 | |||
19 | #include <linux/platform_device.h> | ||
20 | #include <linux/io.h> | ||
21 | |||
22 | #include <mach/hardware.h> | ||
23 | #include <mach/mxc_ehci.h> | ||
24 | |||
25 | #define USBCTRL_OTGBASE_OFFSET 0x600 | ||
26 | |||
27 | #define MX31_OTG_SIC_SHIFT 29 | ||
28 | #define MX31_OTG_SIC_MASK (0xf << MX31_OTG_SIC_SHIFT) | ||
29 | #define MX31_OTG_PM_BIT (1 << 24) | ||
30 | |||
31 | #define MX31_H2_SIC_SHIFT 21 | ||
32 | #define MX31_H2_SIC_MASK (0xf << MX31_H2_SIC_SHIFT) | ||
33 | #define MX31_H2_PM_BIT (1 << 16) | ||
34 | #define MX31_H2_DT_BIT (1 << 5) | ||
35 | |||
36 | #define MX31_H1_SIC_SHIFT 13 | ||
37 | #define MX31_H1_SIC_MASK (0xf << MX31_H1_SIC_SHIFT) | ||
38 | #define MX31_H1_PM_BIT (1 << 8) | ||
39 | #define MX31_H1_DT_BIT (1 << 4) | ||
40 | |||
41 | int mxc_set_usbcontrol(int port, unsigned int flags) | ||
42 | { | ||
43 | unsigned int v; | ||
44 | |||
45 | if (cpu_is_mx31()) { | ||
46 | v = readl(IO_ADDRESS(MX31_OTG_BASE_ADDR + | ||
47 | USBCTRL_OTGBASE_OFFSET)); | ||
48 | |||
49 | switch (port) { | ||
50 | case 0: /* OTG port */ | ||
51 | v &= ~(MX31_OTG_SIC_MASK | MX31_OTG_PM_BIT); | ||
52 | v |= (flags & MXC_EHCI_INTERFACE_MASK) | ||
53 | << MX31_OTG_SIC_SHIFT; | ||
54 | if (flags & MXC_EHCI_POWER_PINS_ENABLED) | ||
55 | v |= MX31_OTG_PM_BIT; | ||
56 | |||
57 | break; | ||
58 | case 1: /* H1 port */ | ||
59 | v &= ~(MX31_H1_SIC_MASK | MX31_H1_PM_BIT); | ||
60 | v |= (flags & MXC_EHCI_INTERFACE_MASK) | ||
61 | << MX31_H1_SIC_SHIFT; | ||
62 | if (flags & MXC_EHCI_POWER_PINS_ENABLED) | ||
63 | v |= MX31_H1_PM_BIT; | ||
64 | |||
65 | if (!(flags & MXC_EHCI_TTL_ENABLED)) | ||
66 | v |= MX31_H1_DT_BIT; | ||
67 | |||
68 | break; | ||
69 | case 2: /* H2 port */ | ||
70 | v &= ~(MX31_H2_SIC_MASK | MX31_H2_PM_BIT); | ||
71 | v |= (flags & MXC_EHCI_INTERFACE_MASK) | ||
72 | << MX31_H2_SIC_SHIFT; | ||
73 | if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) | ||
74 | v |= MX31_H2_PM_BIT; | ||
75 | |||
76 | if (!(flags & MXC_EHCI_TTL_ENABLED)) | ||
77 | v |= MX31_H2_DT_BIT; | ||
78 | |||
79 | break; | ||
80 | } | ||
81 | |||
82 | writel(v, IO_ADDRESS(MX31_OTG_BASE_ADDR + | ||
83 | USBCTRL_OTGBASE_OFFSET)); | ||
84 | return 0; | ||
85 | } | ||
86 | |||
87 | printk(KERN_WARNING | ||
88 | "%s() unable to setup USBCONTROL for this CPU\n", __func__); | ||
89 | return -EINVAL; | ||
90 | } | ||
91 | EXPORT_SYMBOL(mxc_set_usbcontrol); | ||
92 | |||
diff --git a/arch/arm/plat-mxc/include/mach/mxc_ehci.h b/arch/arm/plat-mxc/include/mach/mxc_ehci.h new file mode 100644 index 000000000000..8f796239393e --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/mxc_ehci.h | |||
@@ -0,0 +1,37 @@ | |||
1 | #ifndef __INCLUDE_ASM_ARCH_MXC_EHCI_H | ||
2 | #define __INCLUDE_ASM_ARCH_MXC_EHCI_H | ||
3 | |||
4 | /* values for portsc field */ | ||
5 | #define MXC_EHCI_PHY_LOW_POWER_SUSPEND (1 << 23) | ||
6 | #define MXC_EHCI_FORCE_FS (1 << 24) | ||
7 | #define MXC_EHCI_UTMI_8BIT (0 << 28) | ||
8 | #define MXC_EHCI_UTMI_16BIT (1 << 28) | ||
9 | #define MXC_EHCI_SERIAL (1 << 29) | ||
10 | #define MXC_EHCI_MODE_UTMI (0 << 30) | ||
11 | #define MXC_EHCI_MODE_PHILIPS (1 << 30) | ||
12 | #define MXC_EHCI_MODE_ULPI (2 << 30) | ||
13 | #define MXC_EHCI_MODE_SERIAL (3 << 30) | ||
14 | |||
15 | /* values for flags field */ | ||
16 | #define MXC_EHCI_INTERFACE_DIFF_UNI (0 << 0) | ||
17 | #define MXC_EHCI_INTERFACE_DIFF_BI (1 << 0) | ||
18 | #define MXC_EHCI_INTERFACE_SINGLE_UNI (2 << 0) | ||
19 | #define MXC_EHCI_INTERFACE_SINGLE_BI (3 << 0) | ||
20 | #define MXC_EHCI_INTERFACE_MASK (0xf) | ||
21 | |||
22 | #define MXC_EHCI_POWER_PINS_ENABLED (1 << 5) | ||
23 | #define MXC_EHCI_TTL_ENABLED (1 << 6) | ||
24 | |||
25 | struct mxc_usbh_platform_data { | ||
26 | int (*init)(struct platform_device *pdev); | ||
27 | int (*exit)(struct platform_device *pdev); | ||
28 | |||
29 | unsigned int portsc; | ||
30 | unsigned int flags; | ||
31 | struct otg_transceiver *otg; | ||
32 | }; | ||
33 | |||
34 | int mxc_set_usbcontrol(int port, unsigned int flags); | ||
35 | |||
36 | #endif /* __INCLUDE_ASM_ARCH_MXC_EHCI_H */ | ||
37 | |||