i.MX31 pcm037: Add USB support
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer
parent
773f206b2f
commit
ee14373cdc
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@ -34,6 +34,7 @@ config MACH_MX31ADS_WM1133_EV1
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config MACH_PCM037
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bool "Support Phytec pcm037 (i.MX31) platforms"
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select ARCH_MX31
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select MXC_ULPI if USB_ULPI
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help
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Include support for Phytec pcm037 platform. This includes
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specific configurations for the board and its peripherals.
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@ -33,6 +33,9 @@
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#include <linux/irq.h>
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#include <linux/fsl_devices.h>
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#include <linux/can/platform/sja1000.h>
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#include <linux/usb/otg.h>
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#include <linux/usb/ulpi.h>
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#include <linux/fsl_devices.h>
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#include <media/soc_camera.h>
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@ -51,6 +54,8 @@
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#include <mach/mx3_camera.h>
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#include <mach/mx3fb.h>
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#include <mach/mxc_nand.h>
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#include <mach/mxc_ehci.h>
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#include <mach/ulpi.h>
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#include "devices.h"
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#include "pcm037.h"
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@ -172,19 +177,7 @@ static unsigned int pcm037_pins[] = {
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MX31_PIN_CSI_VSYNC__CSI_VSYNC,
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/* GPIO */
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IOMUX_MODE(MX31_PIN_ATA_DMACK, IOMUX_CONFIG_GPIO),
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};
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static struct physmap_flash_data pcm037_flash_data = {
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.width = 2,
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};
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static struct resource pcm037_flash_resource = {
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.start = 0xa0000000,
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.end = 0xa1ffffff,
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.flags = IORESOURCE_MEM,
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};
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static int usbotg_pins[] = {
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/* OTG */
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MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
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MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
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MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
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@ -197,39 +190,29 @@ static int usbotg_pins[] = {
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MX31_PIN_USBOTG_DIR__USBOTG_DIR,
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MX31_PIN_USBOTG_NXT__USBOTG_NXT,
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MX31_PIN_USBOTG_STP__USBOTG_STP,
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/* USB host 2 */
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IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
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IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
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IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
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IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
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IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
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IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
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IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC),
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IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC),
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IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC),
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IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC),
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IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC),
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IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC),
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};
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/* USB OTG HS port */
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static int __init gpio_usbotg_hs_activate(void)
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{
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int ret = mxc_iomux_setup_multiple_pins(usbotg_pins,
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ARRAY_SIZE(usbotg_pins), "usbotg");
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static struct physmap_flash_data pcm037_flash_data = {
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.width = 2,
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};
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if (ret < 0) {
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printk(KERN_ERR "Cannot set up OTG pins\n");
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return ret;
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}
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mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
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mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
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mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
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mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
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mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
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mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
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mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
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mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
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mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
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mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
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mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
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mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
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return 0;
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}
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/* OTG config */
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static struct fsl_usb2_platform_data usb_pdata = {
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.operating_mode = FSL_USB2_DR_DEVICE,
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.phy_mode = FSL_USB2_PHY_ULPI,
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static struct resource pcm037_flash_resource = {
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.start = 0xa0000000,
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.end = 0xa1ffffff,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device pcm037_flash = {
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@ -561,16 +544,65 @@ static struct platform_device pcm970_sja1000 = {
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.num_resources = ARRAY_SIZE(pcm970_sja1000_resources),
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};
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static struct mxc_usbh_platform_data otg_pdata = {
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.portsc = MXC_EHCI_MODE_ULPI,
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.flags = MXC_EHCI_INTERFACE_DIFF_UNI,
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};
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static struct mxc_usbh_platform_data usbh2_pdata = {
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.portsc = MXC_EHCI_MODE_ULPI,
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.flags = MXC_EHCI_INTERFACE_DIFF_UNI,
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};
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static struct fsl_usb2_platform_data otg_device_pdata = {
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.operating_mode = FSL_USB2_DR_DEVICE,
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.phy_mode = FSL_USB2_PHY_ULPI,
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};
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static int otg_mode_host;
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static int __init pcm037_otg_mode(char *options)
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{
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if (!strcmp(options, "host"))
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otg_mode_host = 1;
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else if (!strcmp(options, "device"))
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otg_mode_host = 0;
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else
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pr_info("otg_mode neither \"host\" nor \"device\". "
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"Defaulting to device\n");
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return 0;
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}
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__setup("otg_mode=", pcm037_otg_mode);
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/*
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* Board specific initialization.
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*/
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static void __init mxc_board_init(void)
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{
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int ret;
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u32 tmp;
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mxc_iomux_set_gpr(MUX_PGP_UH2, 1);
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mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins),
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"pcm037");
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#define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS \
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| PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
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mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG);
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mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG);
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mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG);
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mxc_iomux_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG);
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mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */
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mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */
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mxc_iomux_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG); /* USBH2_DATA2 */
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mxc_iomux_set_pad(MX31_PIN_STXD6, H2_PAD_CFG); /* USBH2_DATA3 */
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mxc_iomux_set_pad(MX31_PIN_SFS3, H2_PAD_CFG); /* USBH2_DATA4 */
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mxc_iomux_set_pad(MX31_PIN_SCK3, H2_PAD_CFG); /* USBH2_DATA5 */
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mxc_iomux_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG); /* USBH2_DATA6 */
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mxc_iomux_set_pad(MX31_PIN_STXD3, H2_PAD_CFG); /* USBH2_DATA7 */
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if (pcm037_variant() == PCM037_EET)
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mxc_iomux_setup_multiple_pins(pcm037_uart1_pins,
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ARRAY_SIZE(pcm037_uart1_pins), "pcm037_uart1");
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@ -608,8 +640,6 @@ static void __init mxc_board_init(void)
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mxc_register_device(&mxcsdhc_device0, &sdhc_pdata);
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mxc_register_device(&mx3_ipu, &mx3_ipu_data);
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mxc_register_device(&mx3_fb, &mx3fb_pdata);
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if (!gpio_usbotg_hs_activate())
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mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
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/* CSI */
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/* Camera power: default - off */
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@ -623,6 +653,23 @@ static void __init mxc_board_init(void)
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mxc_register_device(&mx3_camera, &camera_pdata);
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platform_device_register(&pcm970_sja1000);
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#if defined(CONFIG_USB_ULPI)
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if (otg_mode_host) {
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otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
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USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
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mxc_register_device(&mxc_otg_host, &otg_pdata);
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}
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usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
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USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
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mxc_register_device(&mxc_usbh2, &usbh2_pdata);
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#endif
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if (!otg_mode_host)
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mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
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}
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static void __init pcm037_timer_init(void)
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