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|
/*
* Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright 2009 Digi International, Inc. All Rights Reserved.
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <mach/hardware.h>
#include <mach/gpio.h>
#include "iomux.h"
/**
* iomux settings for the external ethernet mac
*/
#if defined(CONFIG_SMSC9118)
static struct mxc_iomux_pin_cfg __initdata ccwmx51_iomux_ext_eth_pins[] = {
{MX51_PIN_EIM_CS5, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_ENABLE | PAD_CTL_PUE_KEEPER | PAD_CTL_DRV_MEDIUM), },
{MX51_PIN_EIM_OE, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_DA0, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_DA1, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_DA2, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_DA3, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_DA4, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_DA5, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_DA6, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_DA7, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_D16, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_D17, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_D18, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_D19, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_D20, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_D21, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_D22, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_D23, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_D24, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_D25, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_D26, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_D27, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_D28, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_D29, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_D30, IOMUX_CONFIG_ALT0,},
{MX51_PIN_EIM_D31, IOMUX_CONFIG_ALT0,},
{MX51_PIN_GPIO1_9, IOMUX_CONFIG_ALT0, (PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU), },
};
#endif
#if defined(CONFIG_MMC_IMX_ESDHCI) || defined(CONFIG_MMC_IMX_ESDHCI_MODULE)
static struct mxc_iomux_pin_cfg __initdata ccwmx51_iomux_mmc_pins[] = {
/* SDHC1*/
{
MX51_PIN_SD1_CMD, IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION,
(PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE | PAD_CTL_DRV_HIGH |
PAD_CTL_47K_PU | PAD_CTL_SRE_FAST),
},
{
MX51_PIN_SD1_CLK, IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION,
(PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE | PAD_CTL_DRV_HIGH |
PAD_CTL_47K_PU | PAD_CTL_SRE_FAST),
},
{
MX51_PIN_SD1_DATA0, IOMUX_CONFIG_ALT0,
(PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE | PAD_CTL_DRV_HIGH |
PAD_CTL_47K_PU | PAD_CTL_SRE_FAST),
},
{
MX51_PIN_SD1_DATA1, IOMUX_CONFIG_ALT0,
(PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE | PAD_CTL_DRV_HIGH |
PAD_CTL_47K_PU | PAD_CTL_SRE_FAST),
},
{
MX51_PIN_SD1_DATA2, IOMUX_CONFIG_ALT0,
(PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE | PAD_CTL_DRV_HIGH |
PAD_CTL_47K_PU | PAD_CTL_SRE_FAST),
},
{
MX51_PIN_SD1_DATA3, IOMUX_CONFIG_ALT0,
(PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE | PAD_CTL_DRV_HIGH |
PAD_CTL_47K_PU | PAD_CTL_SRE_FAST),
},
{
MX51_PIN_GPIO1_0, IOMUX_CONFIG_GPIO | IOMUX_CONFIG_SION,
(PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU),
},
/* SDHC3*/
{
MX51_PIN_NANDF_RDY_INT, IOMUX_CONFIG_ALT5 | IOMUX_CONFIG_SION,
(PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST),
},
{
MX51_PIN_NANDF_CS7, IOMUX_CONFIG_ALT5,
(PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST),
},
{ /* SD3 DATA0 */
MX51_PIN_NANDF_D8, IOMUX_CONFIG_ALT5,
(PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST),
MUX_IN_ESDHC3_IPP_DAT0_IN_SELECT_INPUT, INPUT_CTL_PATH1
},
{ /* SD3 DATA1 */
MX51_PIN_NANDF_D9, IOMUX_CONFIG_ALT5,
(PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST),
MUX_IN_ESDHC3_IPP_DAT1_IN_SELECT_INPUT, INPUT_CTL_PATH1
},
{ /* SD3 DATA2 */
MX51_PIN_NANDF_D10, IOMUX_CONFIG_ALT5,
(PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST),
MUX_IN_ESDHC3_IPP_DAT2_IN_SELECT_INPUT, INPUT_CTL_PATH1
},
{ /* SD3 DATA3 */
MX51_PIN_NANDF_D11, IOMUX_CONFIG_ALT5,
(PAD_CTL_DRV_MAX | PAD_CTL_22K_PU | PAD_CTL_SRE_FAST),
MUX_IN_ESDHC3_IPP_DAT3_IN_SELECT_INPUT, INPUT_CTL_PATH1
},
{ /* SD3 Card detect */
MX51_PIN_GPIO_NAND, IOMUX_CONFIG_GPIO | IOMUX_CONFIG_SION,
(PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU),
},
{ /* SD3 Write protect */
MX51_PIN_NANDF_CS1, IOMUX_CONFIG_GPIO | IOMUX_CONFIG_SION,
(PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU),
},
};
#endif
#if defined(CONFIG_USB_EHCI_ARC_H1) || defined(CONFIG_USB_EHCI_ARC_H1_MODULE)
static struct mxc_iomux_pin_cfg __initdata ccwmx51_iomux_usbh1_pins[] = {
{ /* USBH1_STP */
MX51_PIN_USBH1_STP, IOMUX_CONFIG_ALT0,
(PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_KEEPER |
PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE),
},
{ /* USBH1_CLK */
MX51_PIN_USBH1_CLK, IOMUX_CONFIG_ALT0,
(PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_KEEPER |
PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_DDR_INPUT_CMOS),
},
{ /* USBH1_DIR */
MX51_PIN_USBH1_DIR, IOMUX_CONFIG_ALT0,
(PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_KEEPER |
PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_DDR_INPUT_CMOS),
},
{ /* USBH1_NXT */
MX51_PIN_USBH1_NXT, IOMUX_CONFIG_ALT0,
(PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_KEEPER |
PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_DDR_INPUT_CMOS),
},
{ /* USBH1_DATA0 */
MX51_PIN_USBH1_DATA0, IOMUX_CONFIG_ALT0,
(PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU |
PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE),
},
{ /* USBH1_DATA1 */
MX51_PIN_USBH1_DATA1, IOMUX_CONFIG_ALT0,
(PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU |
PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE),
},
{ /* USBH1_DATA2 */
MX51_PIN_USBH1_DATA2, IOMUX_CONFIG_ALT0,
(PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU |
PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE),
},
{ /* USBH1_DATA3 */
MX51_PIN_USBH1_DATA3, IOMUX_CONFIG_ALT0,
(PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU |
PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE),
},
{ /* USBH1_DATA4 */
MX51_PIN_USBH1_DATA4, IOMUX_CONFIG_ALT0,
(PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU |
PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE),
},
{ /* USBH1_DATA5 */
MX51_PIN_USBH1_DATA5, IOMUX_CONFIG_ALT0,
(PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU |
PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE),
},
{ /* USBH1_DATA6 */
MX51_PIN_USBH1_DATA6, IOMUX_CONFIG_ALT0,
(PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU |
PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE),
},
{ /* USBH1_DATA7 */
MX51_PIN_USBH1_DATA7, IOMUX_CONFIG_ALT0,
(PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU |
PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE),
},
{ /* USBH PHY RESET */
MX51_PIN_DISPB2_SER_RS, IOMUX_CONFIG_GPIO,
(PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | PAD_CTL_47K_PU |
PAD_CTL_PUE_KEEPER | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE),
},
};
#endif
#if defined(CONFIG_FB_MXC_SYNC_PANEL) || defined(CONFIG_FB_MXC_SYNC_PANEL_MODULE)
static struct mxc_iomux_pin_cfg __initdata ccwmx51_iomux_video1_pins[] = {
// ttd: setting up pins for our lcd panel
{
MX51_PIN_DI1_PIN11, IOMUX_CONFIG_ALT4,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
// ttd: end of experimental sections
{ /* DISP1 DAT0 */
MX51_PIN_DISP1_DAT0, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT1 */
MX51_PIN_DISP1_DAT1, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT2 */
MX51_PIN_DISP1_DAT2, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT3 */
MX51_PIN_DISP1_DAT3, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT4 */
MX51_PIN_DISP1_DAT4, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT5 */
MX51_PIN_DISP1_DAT5, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT6 */
MX51_PIN_DISP1_DAT6, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT7 */
MX51_PIN_DISP1_DAT7, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT8 */
MX51_PIN_DISP1_DAT8, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT9 */
MX51_PIN_DISP1_DAT9, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT10 */
MX51_PIN_DISP1_DAT10, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT11 */
MX51_PIN_DISP1_DAT11, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT12 */
MX51_PIN_DISP1_DAT12, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT13 */
MX51_PIN_DISP1_DAT13, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT14 */
MX51_PIN_DISP1_DAT14, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT15 */
MX51_PIN_DISP1_DAT15, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT16 */
MX51_PIN_DISP1_DAT16, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT17 */
MX51_PIN_DISP1_DAT17, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT18 */
MX51_PIN_DISP1_DAT18, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT19 */
MX51_PIN_DISP1_DAT19, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT20 */
MX51_PIN_DISP1_DAT20, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT21 */
MX51_PIN_DISP1_DAT21, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT22 */
MX51_PIN_DISP1_DAT22, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
{ /* DISP1 DAT23 */
MX51_PIN_DISP1_DAT23, IOMUX_CONFIG_ALT0,
(PAD_CTL_HYS_NONE | PAD_CTL_DRV_LOW | PAD_CTL_SRE_FAST),
},
};
#endif
#if defined(CONFIG_I2C_MXC) || defined(CONFIG_I2C_MXC_MODULE)
static struct mxc_iomux_pin_cfg __initdata ccwmx51_iomux_mma7455l_pins[] = {
// AG - Could use gpio_i2c_active() which is called from mxci2c_probe() and mxci2c_resume()
#ifdef CONFIG_I2C_MXC_SELECT1
{
MX51_PIN_SD2_CMD, IOMUX_CONFIG_ALT1 | IOMUX_CONFIG_SION,
(PAD_CTL_SRE_FAST | PAD_CTL_ODE_OPENDRAIN_ENABLE | PAD_CTL_HYS_ENABLE |
PAD_CTL_100K_PU | PAD_CTL_DRV_HIGH),
MUX_IN_I2C1_IPP_SDA_IN_SELECT_INPUT, INPUT_CTL_PATH2,
},
{
MX51_PIN_SD2_CLK, IOMUX_CONFIG_ALT1 | IOMUX_CONFIG_SION,
(PAD_CTL_SRE_FAST | PAD_CTL_ODE_OPENDRAIN_ENABLE | PAD_CTL_HYS_ENABLE |
PAD_CTL_100K_PU | PAD_CTL_DRV_HIGH),
MUX_IN_I2C1_IPP_SCL_IN_SELECT_INPUT, INPUT_CTL_PATH2,
},
#endif
#ifdef CONFIG_I2C_MXC_SELECT2
{
MX51_PIN_GPIO1_2, IOMUX_CONFIG_ALT2 | IOMUX_CONFIG_SION,
(PAD_CTL_SRE_FAST | PAD_CTL_ODE_OPENDRAIN_ENABLE | PAD_CTL_DRV_HIGH |
PAD_CTL_100K_PU | PAD_CTL_HYS_ENABLE),
MUX_IN_I2C2_IPP_SCL_IN_SELECT_INPUT, INPUT_CTL_PATH3,
},
{
MX51_PIN_GPIO1_3, IOMUX_CONFIG_ALT2 | IOMUX_CONFIG_SION,
(PAD_CTL_SRE_FAST | PAD_CTL_ODE_OPENDRAIN_ENABLE | PAD_CTL_DRV_HIGH |
PAD_CTL_100K_PU | PAD_CTL_HYS_ENABLE),
MUX_IN_I2C2_IPP_SDA_IN_SELECT_INPUT, INPUT_CTL_PATH3,
},
#endif
#ifdef CONFIG_I2C_MXC_SELECT3
{
MX51_PIN_I2C1_CLK, IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION,
( PAD_CTL_ODE_OPENDRAIN_NONE | PAD_CTL_HYS_ENABLE |
PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU | PAD_CTL_SRE_SLOW),
},
{
MX51_PIN_I2C1_DAT, IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION,
( PAD_CTL_ODE_OPENDRAIN_NONE | PAD_CTL_HYS_ENABLE |
PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU | PAD_CTL_SRE_SLOW),
}
#endif
};
#endif //defined(CONFIG_I2C_MXC) || defined(CONFIG_I2C_MXC_MODULE)
static struct mxc_iomux_pin_cfg __initdata ccwmx51_iomux_devices_pins[] = {
{ /* PMIC interrupt line */
MX51_PIN_GPIO1_5, IOMUX_CONFIG_GPIO | IOMUX_CONFIG_SION,
(PAD_CTL_SRE_SLOW | PAD_CTL_DRV_MEDIUM | PAD_CTL_100K_PU |
PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_VOT_HIGH),
},
// { /* MMA7455L interrupt line */
// MX51_PIN_GPIO1_6, IOMUX_CONFIG_GPIO,
// },
// {
// MX51_PIN_GPIO1_7, IOMUX_CONFIG_ALT2,
// (PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
// PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE |
// PAD_CTL_SRE_FAST),
// },
};
void __init ccwmx51_io_init(void)
{
int i;
#if defined(CONFIG_SMSC9118)
for (i = 0; i < ARRAY_SIZE(ccwmx51_iomux_ext_eth_pins); i++) {
mxc_request_iomux(ccwmx51_iomux_ext_eth_pins[i].pin,
ccwmx51_iomux_ext_eth_pins[i].mux_mode);
if (ccwmx51_iomux_ext_eth_pins[i].pad_cfg)
mxc_iomux_set_pad(ccwmx51_iomux_ext_eth_pins[i].pin,
ccwmx51_iomux_ext_eth_pins[i].pad_cfg);
if (ccwmx51_iomux_ext_eth_pins[i].in_select)
mxc_iomux_set_input(ccwmx51_iomux_ext_eth_pins[i].in_select,
ccwmx51_iomux_ext_eth_pins[i].in_mode);
}
#endif
#if defined(CONFIG_MMC_IMX_ESDHCI) || defined(CONFIG_MMC_IMX_ESDHCI_MODULE)
for (i = 0; i < ARRAY_SIZE(ccwmx51_iomux_mmc_pins); i++) {
mxc_request_iomux(ccwmx51_iomux_mmc_pins[i].pin,
ccwmx51_iomux_mmc_pins[i].mux_mode);
if (ccwmx51_iomux_mmc_pins[i].pad_cfg)
mxc_iomux_set_pad(ccwmx51_iomux_mmc_pins[i].pin,
ccwmx51_iomux_mmc_pins[i].pad_cfg);
if (ccwmx51_iomux_mmc_pins[i].in_select)
mxc_iomux_set_input(ccwmx51_iomux_mmc_pins[i].in_select,
ccwmx51_iomux_mmc_pins[i].in_mode);
}
#endif
#if defined(CONFIG_USB_EHCI_ARC_H1) || defined(CONFIG_USB_EHCI_ARC_H1_MODULE)
for (i = 0; i < ARRAY_SIZE(ccwmx51_iomux_usbh1_pins); i++) {
mxc_request_iomux(ccwmx51_iomux_usbh1_pins[i].pin,
ccwmx51_iomux_usbh1_pins[i].mux_mode);
if (ccwmx51_iomux_usbh1_pins[i].pad_cfg)
mxc_iomux_set_pad(ccwmx51_iomux_usbh1_pins[i].pin,
ccwmx51_iomux_usbh1_pins[i].pad_cfg);
if (ccwmx51_iomux_usbh1_pins[i].in_select)
mxc_iomux_set_input(ccwmx51_iomux_usbh1_pins[i].in_select,
ccwmx51_iomux_usbh1_pins[i].in_mode);
}
#endif
#if defined(CONFIG_FB_MXC_SYNC_PANEL) || defined(CONFIG_FB_MXC_SYNC_PANEL_MODULE)
printk("ttd: setting up video gpio mappings\n");
for (i = 0; i < ARRAY_SIZE(ccwmx51_iomux_video1_pins); i++) {
// ttd: debug
int r = mxc_request_iomux(ccwmx51_iomux_video1_pins[i].pin,
ccwmx51_iomux_video1_pins[i].mux_mode);
// ttd: debug
if (r){
printk("ttd: mxc_request_iomux() for video failed, pin %d\n",
ccwmx51_iomux_video1_pins[i].pin);
}
if (ccwmx51_iomux_video1_pins[i].pad_cfg)
mxc_iomux_set_pad(ccwmx51_iomux_video1_pins[i].pin,
ccwmx51_iomux_video1_pins[i].pad_cfg);
if (ccwmx51_iomux_video1_pins[i].in_select)
mxc_iomux_set_input(ccwmx51_iomux_video1_pins[i].in_select,
ccwmx51_iomux_video1_pins[i].in_mode);
}
#endif
#if defined(CONFIG_I2C_MXC) || defined(CONFIG_I2C_MXC_MODULE)
for (i = 0; i < ARRAY_SIZE(ccwmx51_iomux_mma7455l_pins); i++) {
mxc_request_iomux(ccwmx51_iomux_mma7455l_pins[i].pin,
ccwmx51_iomux_mma7455l_pins[i].mux_mode);
if (ccwmx51_iomux_mma7455l_pins[i].pad_cfg)
mxc_iomux_set_pad(ccwmx51_iomux_mma7455l_pins[i].pin,
ccwmx51_iomux_mma7455l_pins[i].pad_cfg);
if (ccwmx51_iomux_mma7455l_pins[i].in_select)
mxc_iomux_set_input(ccwmx51_iomux_mma7455l_pins[i].in_select,
ccwmx51_iomux_mma7455l_pins[i].in_mode);
}
#endif
for (i = 0; i < ARRAY_SIZE(ccwmx51_iomux_devices_pins); i++) {
mxc_request_iomux(ccwmx51_iomux_devices_pins[i].pin,
ccwmx51_iomux_devices_pins[i].mux_mode);
if (ccwmx51_iomux_devices_pins[i].pad_cfg)
mxc_iomux_set_pad(ccwmx51_iomux_devices_pins[i].pin,
ccwmx51_iomux_devices_pins[i].pad_cfg);
if (ccwmx51_iomux_devices_pins[i].in_select)
mxc_iomux_set_input(ccwmx51_iomux_devices_pins[i].in_select,
ccwmx51_iomux_devices_pins[i].in_mode);
}
/* PMIC interrupt line */
gpio_request(IOMUX_TO_GPIO(MX51_PIN_GPIO1_5), "gpio1_5");
gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_GPIO1_5));
#if defined(CONFIG_USB_EHCI_ARC_H1) || defined(CONFIG_USB_EHCI_ARC_H1_MODULE)
/* USB PHY/HUB reset*/
gpio_request(IOMUX_TO_GPIO(MX51_PIN_DISPB2_SER_RS), "gpio3_8");
gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_DISPB2_SER_RS), 0);
msleep(1);
gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_DISPB2_SER_RS), 1);
#endif
}
// ttd: experimental for lcd
void gpio_lcd_active(void)
{
// ttd: testing...
#if 1
int r;
printk("ttd: gpio_lcd_active\n");
// r = gpio_request(IOMUX_TO_GPIO(MX51_PIN_DI1_PIN11), "di1_pin11");
// printk(" ttd: gpio_request() returns %d\n", r);
// The last one that is required. I don't quite understand the
// inter-related semantics of the gpio_direction_output and the
// underlying chip->direction method, and the chip->request.
r = gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_DI1_PIN11), 0);
printk(" ttd: gpio_set_direction_output() returns %d\n", r);
// gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_DI1_PIN11), 0);
#endif
}
EXPORT_SYMBOL(gpio_lcd_active);
#if defined(CONFIG_SERIAL_MXC) || defined(CONFIG_SERIAL_MXC_MODULE)
#define SERIAL_PORT_PAD (PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE | \
PAD_CTL_PUE_PULL | PAD_CTL_DRV_HIGH | \
PAD_CTL_SRE_FAST)
void gpio_uart_active(int port, int no_irda)
{
/* Configure the IOMUX control registers for the UART signals */
switch (port) {
case 0: /* UART 1 IOMUX Configs */
#ifdef CONFIG_UART1_ENABLED
mxc_request_iomux(MX51_PIN_UART1_RXD, IOMUX_CONFIG_ALT0);
mxc_request_iomux(MX51_PIN_UART1_TXD, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_UART1_RXD, SERIAL_PORT_PAD);
mxc_iomux_set_pad(MX51_PIN_UART1_TXD, SERIAL_PORT_PAD);
mxc_iomux_set_input(MUX_IN_UART1_IPP_UART_RXD_MUX_SELECT_INPUT, INPUT_CTL_PATH0);
/* TODO enable CTS/RTS if selected */
#endif
break;
case 1: /* UART 2 IOMUX Configs */
#ifdef CONFIG_UART2_ENABLED
mxc_request_iomux(MX51_PIN_UART2_RXD, IOMUX_CONFIG_ALT0);
mxc_request_iomux(MX51_PIN_UART2_TXD, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_UART2_RXD, SERIAL_PORT_PAD);
mxc_iomux_set_pad(MX51_PIN_UART2_TXD, SERIAL_PORT_PAD);
mxc_iomux_set_input(MUX_IN_UART2_IPP_UART_RXD_MUX_SELECT_INPUT, INPUT_CTL_PATH2);
/* TODO enable CTS/RTS if selected */
#endif
break;
case 2: /* UART 3 IOMUX Configs */
#ifdef CONFIG_UART3_ENABLED
mxc_request_iomux(MX51_PIN_UART3_RXD, IOMUX_CONFIG_ALT1);
mxc_request_iomux(MX51_PIN_UART3_TXD, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_UART3_RXD, SERIAL_PORT_PAD);
mxc_iomux_set_pad(MX51_PIN_UART3_TXD, SERIAL_PORT_PAD);
mxc_iomux_set_input(MUX_IN_UART3_IPP_UART_RXD_MUX_SELECT_INPUT, INPUT_CTL_PATH4);
/* TODO enable CTS/RTS if selected */
#endif
break;
default:
break;
}
}
#else
void gpio_uart_active(int port, int no_irda) {}
#endif
void gpio_uart_inactive(int port, int no_irda) {}
EXPORT_SYMBOL(gpio_uart_active);
EXPORT_SYMBOL(gpio_uart_inactive);
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