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author | David S. Miller <davem@davemloft.net> | 2009-12-12 04:12:17 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2009-12-12 04:12:17 +0300 |
commit | 501706565b2d4d2d40d0d301d5411ede099b8a6f (patch) | |
tree | 142a18bf1f1e74a09dbfa27540b893ade0fd797d /arch/arm/plat-mxc | |
parent | e93737b0f0159a61772894943199fd3b6f315641 (diff) | |
parent | 2fe77b81c77eed92c4c0439f74c8148a295b4a86 (diff) | |
download | linux-501706565b2d4d2d40d0d301d5411ede099b8a6f.tar.xz |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
include/net/tcp.h
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/iomux-mx3.h | 2 | ||||
-rw-r--r-- | arch/arm/plat-mxc/include/mach/iomux-mxc91231.h | 2 | ||||
-rw-r--r-- | arch/arm/plat-mxc/include/mach/mxc_ehci.h | 37 | ||||
-rw-r--r-- | arch/arm/plat-mxc/pwm.c | 2 |
6 files changed, 133 insertions, 3 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-$(CONFIG_ARCH_MX1) += iomux-mx1-mx2.o dma-mx1-mx2.o obj-$(CONFIG_ARCH_MX2) += iomux-mx1-mx2.o dma-mx1-mx2.o obj-$(CONFIG_ARCH_MXC_IOMUX_V3) += iomux-v3.o obj-$(CONFIG_MXC_PWM) += pwm.o +obj-$(CONFIG_USB_EHCI_MXC) += ehci.o obj-$(CONFIG_MXC_ULPI) += ulpi.o obj-$(CONFIG_ARCH_MXC_AUDMUX_V1) += audmux-v1.o obj-$(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 @@ +/* + * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> + * + * 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; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/platform_device.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <mach/mxc_ehci.h> + +#define USBCTRL_OTGBASE_OFFSET 0x600 + +#define MX31_OTG_SIC_SHIFT 29 +#define MX31_OTG_SIC_MASK (0xf << MX31_OTG_SIC_SHIFT) +#define MX31_OTG_PM_BIT (1 << 24) + +#define MX31_H2_SIC_SHIFT 21 +#define MX31_H2_SIC_MASK (0xf << MX31_H2_SIC_SHIFT) +#define MX31_H2_PM_BIT (1 << 16) +#define MX31_H2_DT_BIT (1 << 5) + +#define MX31_H1_SIC_SHIFT 13 +#define MX31_H1_SIC_MASK (0xf << MX31_H1_SIC_SHIFT) +#define MX31_H1_PM_BIT (1 << 8) +#define MX31_H1_DT_BIT (1 << 4) + +int mxc_set_usbcontrol(int port, unsigned int flags) +{ + unsigned int v; + + if (cpu_is_mx31()) { + v = readl(IO_ADDRESS(MX31_OTG_BASE_ADDR + + USBCTRL_OTGBASE_OFFSET)); + + switch (port) { + case 0: /* OTG port */ + v &= ~(MX31_OTG_SIC_MASK | MX31_OTG_PM_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) + << MX31_OTG_SIC_SHIFT; + if (flags & MXC_EHCI_POWER_PINS_ENABLED) + v |= MX31_OTG_PM_BIT; + + break; + case 1: /* H1 port */ + v &= ~(MX31_H1_SIC_MASK | MX31_H1_PM_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) + << MX31_H1_SIC_SHIFT; + if (flags & MXC_EHCI_POWER_PINS_ENABLED) + v |= MX31_H1_PM_BIT; + + if (!(flags & MXC_EHCI_TTL_ENABLED)) + v |= MX31_H1_DT_BIT; + + break; + case 2: /* H2 port */ + v &= ~(MX31_H2_SIC_MASK | MX31_H2_PM_BIT); + v |= (flags & MXC_EHCI_INTERFACE_MASK) + << MX31_H2_SIC_SHIFT; + if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) + v |= MX31_H2_PM_BIT; + + if (!(flags & MXC_EHCI_TTL_ENABLED)) + v |= MX31_H2_DT_BIT; + + break; + } + + writel(v, IO_ADDRESS(MX31_OTG_BASE_ADDR + + USBCTRL_OTGBASE_OFFSET)); + return 0; + } + + printk(KERN_WARNING + "%s() unable to setup USBCONTROL for this CPU\n", __func__); + return -EINVAL; +} +EXPORT_SYMBOL(mxc_set_usbcontrol); + diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx3.h b/arch/arm/plat-mxc/include/mach/iomux-mx3.h index eaabd4e96925..e1fc6da1cd10 100644 --- a/arch/arm/plat-mxc/include/mach/iomux-mx3.h +++ b/arch/arm/plat-mxc/include/mach/iomux-mx3.h @@ -112,7 +112,7 @@ enum iomux_gp_func { * setups a single pin: * - reserves the pin so that it is not claimed by another driver * - setups the iomux according to the configuration - * - if the pin is configured as a GPIO, we claim it throug kernel gpiolib + * - if the pin is configured as a GPIO, we claim it through kernel gpiolib */ int mxc_iomux_alloc_pin(const unsigned int pin, const char *label); /* diff --git a/arch/arm/plat-mxc/include/mach/iomux-mxc91231.h b/arch/arm/plat-mxc/include/mach/iomux-mxc91231.h index 9f13061192c8..3887f3fe29d4 100644 --- a/arch/arm/plat-mxc/include/mach/iomux-mxc91231.h +++ b/arch/arm/plat-mxc/include/mach/iomux-mxc91231.h @@ -48,7 +48,7 @@ * setups a single pin: * - reserves the pin so that it is not claimed by another driver * - setups the iomux according to the configuration - * - if the pin is configured as a GPIO, we claim it throug kernel gpiolib + * - if the pin is configured as a GPIO, we claim it through kernel gpiolib */ int mxc_iomux_alloc_pin(const unsigned int pin_mode, const char *label); /* 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 @@ +#ifndef __INCLUDE_ASM_ARCH_MXC_EHCI_H +#define __INCLUDE_ASM_ARCH_MXC_EHCI_H + +/* values for portsc field */ +#define MXC_EHCI_PHY_LOW_POWER_SUSPEND (1 << 23) +#define MXC_EHCI_FORCE_FS (1 << 24) +#define MXC_EHCI_UTMI_8BIT (0 << 28) +#define MXC_EHCI_UTMI_16BIT (1 << 28) +#define MXC_EHCI_SERIAL (1 << 29) +#define MXC_EHCI_MODE_UTMI (0 << 30) +#define MXC_EHCI_MODE_PHILIPS (1 << 30) +#define MXC_EHCI_MODE_ULPI (2 << 30) +#define MXC_EHCI_MODE_SERIAL (3 << 30) + +/* values for flags field */ +#define MXC_EHCI_INTERFACE_DIFF_UNI (0 << 0) +#define MXC_EHCI_INTERFACE_DIFF_BI (1 << 0) +#define MXC_EHCI_INTERFACE_SINGLE_UNI (2 << 0) +#define MXC_EHCI_INTERFACE_SINGLE_BI (3 << 0) +#define MXC_EHCI_INTERFACE_MASK (0xf) + +#define MXC_EHCI_POWER_PINS_ENABLED (1 << 5) +#define MXC_EHCI_TTL_ENABLED (1 << 6) + +struct mxc_usbh_platform_data { + int (*init)(struct platform_device *pdev); + int (*exit)(struct platform_device *pdev); + + unsigned int portsc; + unsigned int flags; + struct otg_transceiver *otg; +}; + +int mxc_set_usbcontrol(int port, unsigned int flags); + +#endif /* __INCLUDE_ASM_ARCH_MXC_EHCI_H */ + diff --git a/arch/arm/plat-mxc/pwm.c b/arch/arm/plat-mxc/pwm.c index 5cdbd605ac05..4ff6dfe04283 100644 --- a/arch/arm/plat-mxc/pwm.c +++ b/arch/arm/plat-mxc/pwm.c @@ -94,7 +94,7 @@ int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) * register to follow the ratio of duty_ns vs. period_ns * accordingly. * - * This is good enought for programming the brightness of + * This is good enough for programming the brightness of * the LCD backlight. * * The real implementation would divide PERCLK[0] first by |