ARM: 6131/1: MAINTAINERS: update for ARM/Gemini
[pandora-kernel.git] / arch / arm / mach-mx2 / mach-pca100.c
index 55dbf5a..778fff2 100644 (file)
 #include <linux/spi/spi.h>
 #include <linux/spi/eeprom.h>
 #include <linux/irq.h>
+#include <linux/delay.h>
 #include <linux/gpio.h>
+#include <linux/usb/otg.h>
+#include <linux/usb/ulpi.h>
+#include <linux/fsl_devices.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach-types.h>
 #include <mach/common.h>
 #include <mach/hardware.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/i2c.h>
 #include <asm/mach/time.h>
 #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
 #include <mach/spi.h>
 #endif
 #include <mach/imx-uart.h>
+#include <mach/audmux.h>
+#include <mach/ssi.h>
 #include <mach/mxc_nand.h>
 #include <mach/irqs.h>
 #include <mach/mmc.h>
+#include <mach/mxc_ehci.h>
+#include <mach/ulpi.h>
 
 #include "devices.h"
 
+#define OTG_PHY_CS_GPIO (GPIO_PORTB + 23)
+#define USBH2_PHY_CS_GPIO (GPIO_PORTB + 24)
+
 static int pca100_pins[] = {
        /* UART1 */
        PE12_PF_UART1_TXD,
@@ -92,6 +103,34 @@ static int pca100_pins[] = {
        PD29_PF_CSPI1_SCLK,
        PD30_PF_CSPI1_MISO,
        PD31_PF_CSPI1_MOSI,
+       /* OTG */
+       OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
+       PC7_PF_USBOTG_DATA5,
+       PC8_PF_USBOTG_DATA6,
+       PC9_PF_USBOTG_DATA0,
+       PC10_PF_USBOTG_DATA2,
+       PC11_PF_USBOTG_DATA1,
+       PC12_PF_USBOTG_DATA4,
+       PC13_PF_USBOTG_DATA3,
+       PE0_PF_USBOTG_NXT,
+       PE1_PF_USBOTG_STP,
+       PE2_PF_USBOTG_DIR,
+       PE24_PF_USBOTG_CLK,
+       PE25_PF_USBOTG_DATA7,
+       /* USBH2 */
+       USBH2_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
+       PA0_PF_USBH2_CLK,
+       PA1_PF_USBH2_DIR,
+       PA2_PF_USBH2_DATA7,
+       PA3_PF_USBH2_NXT,
+       PA4_PF_USBH2_STP,
+       PD19_AF_USBH2_DATA4,
+       PD20_AF_USBH2_DATA3,
+       PD21_AF_USBH2_DATA6,
+       PD22_AF_USBH2_DATA0,
+       PD23_AF_USBH2_DATA2,
+       PD24_AF_USBH2_DATA1,
+       PD26_AF_USBH2_DATA5,
 };
 
 static struct imxuart_platform_data uart_pdata = {
@@ -157,6 +196,37 @@ static struct spi_imx_master pca100_spi_0_data = {
 };
 #endif
 
+static void pca100_ac97_warm_reset(struct snd_ac97 *ac97)
+{
+       mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT);
+       gpio_set_value(GPIO_PORTC + 20, 1);
+       udelay(2);
+       gpio_set_value(GPIO_PORTC + 20, 0);
+       mxc_gpio_mode(PC20_PF_SSI1_FS);
+       msleep(2);
+}
+
+static void pca100_ac97_cold_reset(struct snd_ac97 *ac97)
+{
+       mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT);  /* FS */
+       gpio_set_value(GPIO_PORTC + 20, 0);
+       mxc_gpio_mode(GPIO_PORTC | 22 | GPIO_GPIO | GPIO_OUT);  /* TX */
+       gpio_set_value(GPIO_PORTC + 22, 0);
+       mxc_gpio_mode(GPIO_PORTC | 28 | GPIO_GPIO | GPIO_OUT);  /* reset */
+       gpio_set_value(GPIO_PORTC + 28, 0);
+       udelay(10);
+       gpio_set_value(GPIO_PORTC + 28, 1);
+       mxc_gpio_mode(PC20_PF_SSI1_FS);
+       mxc_gpio_mode(PC22_PF_SSI1_TXD);
+       msleep(2);
+}
+
+static struct imx_ssi_platform_data pca100_ssi_pdata = {
+       .ac97_reset             = pca100_ac97_cold_reset,
+       .ac97_warm_reset        = pca100_ac97_warm_reset,
+       .flags                  = IMX_SSI_USE_AC97,
+};
+
 static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
                void *data)
 {
@@ -182,21 +252,79 @@ static struct imxmmc_platform_data sdhc_pdata = {
        .exit = pca100_sdhc2_exit,
 };
 
+static int otg_phy_init(struct platform_device *pdev)
+{
+       gpio_set_value(OTG_PHY_CS_GPIO, 0);
+       return 0;
+}
+
+static struct mxc_usbh_platform_data otg_pdata = {
+       .init   = otg_phy_init,
+       .portsc = MXC_EHCI_MODE_ULPI,
+       .flags  = MXC_EHCI_INTERFACE_DIFF_UNI,
+};
+
+static int usbh2_phy_init(struct platform_device *pdev)
+{
+       gpio_set_value(USBH2_PHY_CS_GPIO, 0);
+       return 0;
+}
+
+static struct mxc_usbh_platform_data usbh2_pdata = {
+       .init   = usbh2_phy_init,
+       .portsc = MXC_EHCI_MODE_ULPI,
+       .flags  = MXC_EHCI_INTERFACE_DIFF_UNI,
+};
+
+static struct fsl_usb2_platform_data otg_device_pdata = {
+       .operating_mode = FSL_USB2_DR_DEVICE,
+       .phy_mode       = FSL_USB2_PHY_ULPI,
+};
+
+static int otg_mode_host;
+
+static int __init pca100_otg_mode(char *options)
+{
+       if (!strcmp(options, "host"))
+               otg_mode_host = 1;
+       else if (!strcmp(options, "device"))
+               otg_mode_host = 0;
+       else
+               pr_info("otg_mode neither \"host\" nor \"device\". "
+                       "Defaulting to device\n");
+       return 0;
+}
+__setup("otg_mode=", pca100_otg_mode);
+
 static void __init pca100_init(void)
 {
        int ret;
 
+       /* SSI unit */
+       mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
+                                 MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */
+                                 MXC_AUDMUX_V1_PCR_TFCSEL(3) |
+                                 MXC_AUDMUX_V1_PCR_TCLKDIR | /* clock is output */
+                                 MXC_AUDMUX_V1_PCR_RXDSEL(3));
+       mxc_audmux_v1_configure_port(3,
+                                 MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */
+                                 MXC_AUDMUX_V1_PCR_TFCSEL(0) |
+                                 MXC_AUDMUX_V1_PCR_TFSDIR |
+                                 MXC_AUDMUX_V1_PCR_RXDSEL(0));
+
        ret = mxc_gpio_setup_multiple_pins(pca100_pins,
                        ARRAY_SIZE(pca100_pins), "PCA100");
        if (ret)
                printk(KERN_ERR "pca100: Failed to setup pins (%d)\n", ret);
 
+       mxc_register_device(&imx_ssi_device0, &pca100_ssi_pdata);
+
        mxc_register_device(&mxc_uart_device0, &uart_pdata);
 
        mxc_gpio_mode(GPIO_PORTC | 29 | GPIO_GPIO | GPIO_IN);
        mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata);
 
-       mxc_register_device(&mxc_nand_device, &pca100_nand_board_info);
+       mxc_register_device(&imx27_nand_device, &pca100_nand_board_info);
 
        /* only the i2c master 1 is used on this CPU card */
        i2c_register_board_info(1, pca100_i2c_devices,
@@ -220,6 +348,29 @@ static void __init pca100_init(void)
        mxc_register_device(&mxc_spi_device0, &pca100_spi_0_data);
 #endif
 
+       gpio_request(OTG_PHY_CS_GPIO, "usb-otg-cs");
+       gpio_direction_output(OTG_PHY_CS_GPIO, 1);
+       gpio_request(USBH2_PHY_CS_GPIO, "usb-host2-cs");
+       gpio_direction_output(USBH2_PHY_CS_GPIO, 1);
+
+#if defined(CONFIG_USB_ULPI)
+       if (otg_mode_host) {
+               otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
+                               USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
+
+               mxc_register_device(&mxc_otg_host, &otg_pdata);
+       }
+
+       usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
+                               USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
+
+       mxc_register_device(&mxc_usbh2, &usbh2_pdata);
+#endif
+       if (!otg_mode_host) {
+               gpio_set_value(OTG_PHY_CS_GPIO, 0);
+               mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
+       }
+
        platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 }
 
@@ -235,7 +386,7 @@ static struct sys_timer pca100_timer = {
 MACHINE_START(PCA100, "phyCARD-i.MX27")
        .phys_io        = MX27_AIPI_BASE_ADDR,
        .io_pg_offst    = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-       .boot_params    = PHYS_OFFSET + 0x100,
+       .boot_params    = MX27_PHYS_OFFSET + 0x100,
        .map_io         = mx27_map_io,
        .init_irq       = mx27_init_irq,
        .init_machine   = pca100_init,