diff options
Diffstat (limited to 'arch/arm/mach-mx3/mach-pcm043.c')
| -rw-r--r-- | arch/arm/mach-mx3/mach-pcm043.c | 413 |
1 files changed, 413 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mach-pcm043.c b/arch/arm/mach-mx3/mach-pcm043.c new file mode 100644 index 000000000000..1bf1ec2eef5e --- /dev/null +++ b/arch/arm/mach-mx3/mach-pcm043.c @@ -0,0 +1,413 @@ +/* + * Copyright (C) 2009 Sascha Hauer, Pengutronix + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/types.h> +#include <linux/init.h> + +#include <linux/platform_device.h> +#include <linux/mtd/physmap.h> +#include <linux/mtd/plat-ram.h> +#include <linux/memory.h> +#include <linux/gpio.h> +#include <linux/smc911x.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/i2c/at24.h> +#include <linux/usb/otg.h> +#include <linux/usb/ulpi.h> +#include <linux/fsl_devices.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <asm/mach/map.h> + +#include <mach/hardware.h> +#include <mach/common.h> +#include <mach/imx-uart.h> +#if defined CONFIG_I2C_IMX || defined CONFIG_I2C_IMX_MODULE +#include <mach/i2c.h> +#endif +#include <mach/iomux-mx35.h> +#include <mach/ipu.h> +#include <mach/mx3fb.h> +#include <mach/mxc_nand.h> +#include <mach/mxc_ehci.h> +#include <mach/ulpi.h> +#include <mach/audmux.h> +#include <mach/ssi.h> + +#include "devices.h" + +static const struct fb_videomode fb_modedb[] = { + { + /* 240x320 @ 60 Hz */ + .name = "Sharp-LQ035Q7", + .refresh = 60, + .xres = 240, + .yres = 320, + .pixclock = 185925, + .left_margin = 9, + .right_margin = 16, + .upper_margin = 7, + .lower_margin = 9, + .hsync_len = 1, + .vsync_len = 1, + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE | FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN, + .vmode = FB_VMODE_NONINTERLACED, + .flag = 0, + }, { + /* 240x320 @ 60 Hz */ + .name = "TX090", + .refresh = 60, + .xres = 240, + .yres = 320, + .pixclock = 38255, + .left_margin = 144, + .right_margin = 0, + .upper_margin = 7, + .lower_margin = 40, + .hsync_len = 96, + .vsync_len = 1, + .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH, + .vmode = FB_VMODE_NONINTERLACED, + .flag = 0, + }, +}; + +static struct ipu_platform_data mx3_ipu_data = { + .irq_base = MXC_IPU_IRQ_START, +}; + +static struct mx3fb_platform_data mx3fb_pdata = { + .dma_dev = &mx3_ipu.dev, + .name = "Sharp-LQ035Q7", + .mode = fb_modedb, + .num_modes = ARRAY_SIZE(fb_modedb), +}; + +static struct physmap_flash_data pcm043_flash_data = { + .width = 2, +}; + +static struct resource pcm043_flash_resource = { + .start = 0xa0000000, + .end = 0xa1ffffff, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device pcm043_flash = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &pcm043_flash_data, + }, + .resource = &pcm043_flash_resource, + .num_resources = 1, +}; + +static struct imxuart_platform_data uart_pdata = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +#if defined CONFIG_I2C_IMX || defined CONFIG_I2C_IMX_MODULE +static struct imxi2c_platform_data pcm043_i2c_1_data = { + .bitrate = 50000, +}; + +static struct at24_platform_data board_eeprom = { + .byte_len = 4096, + .page_size = 32, + .flags = AT24_FLAG_ADDR16, +}; + +static struct i2c_board_info pcm043_i2c_devices[] = { + { + I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ + .platform_data = &board_eeprom, + }, { + I2C_BOARD_INFO("pcf8563", 0x51), + } +}; +#endif + +static struct platform_device *devices[] __initdata = { + &pcm043_flash, + &mxc_fec_device, +}; + +static struct pad_desc pcm043_pads[] = { + /* UART1 */ + MX35_PAD_CTS1__UART1_CTS, + MX35_PAD_RTS1__UART1_RTS, + MX35_PAD_TXD1__UART1_TXD_MUX, + MX35_PAD_RXD1__UART1_RXD_MUX, + /* UART2 */ + MX35_PAD_CTS2__UART2_CTS, + MX35_PAD_RTS2__UART2_RTS, + MX35_PAD_TXD2__UART2_TXD_MUX, + MX35_PAD_RXD2__UART2_RXD_MUX, + /* FEC */ + MX35_PAD_FEC_TX_CLK__FEC_TX_CLK, + MX35_PAD_FEC_RX_CLK__FEC_RX_CLK, + MX35_PAD_FEC_RX_DV__FEC_RX_DV, + MX35_PAD_FEC_COL__FEC_COL, + MX35_PAD_FEC_RDATA0__FEC_RDATA_0, + MX35_PAD_FEC_TDATA0__FEC_TDATA_0, + MX35_PAD_FEC_TX_EN__FEC_TX_EN, + MX35_PAD_FEC_MDC__FEC_MDC, + MX35_PAD_FEC_MDIO__FEC_MDIO, + MX35_PAD_FEC_TX_ERR__FEC_TX_ERR, + MX35_PAD_FEC_RX_ERR__FEC_RX_ERR, + MX35_PAD_FEC_CRS__FEC_CRS, + MX35_PAD_FEC_RDATA1__FEC_RDATA_1, + MX35_PAD_FEC_TDATA1__FEC_TDATA_1, + MX35_PAD_FEC_RDATA2__FEC_RDATA_2, + MX35_PAD_FEC_TDATA2__FEC_TDATA_2, + MX35_PAD_FEC_RDATA3__FEC_RDATA_3, + MX35_PAD_FEC_TDATA3__FEC_TDATA_3, + /* I2C1 */ + MX35_PAD_I2C1_CLK__I2C1_SCL, + MX35_PAD_I2C1_DAT__I2C1_SDA, + /* Display */ + MX35_PAD_LD0__IPU_DISPB_DAT_0, + MX35_PAD_LD1__IPU_DISPB_DAT_1, + MX35_PAD_LD2__IPU_DISPB_DAT_2, + MX35_PAD_LD3__IPU_DISPB_DAT_3, + MX35_PAD_LD4__IPU_DISPB_DAT_4, + MX35_PAD_LD5__IPU_DISPB_DAT_5, + MX35_PAD_LD6__IPU_DISPB_DAT_6, + MX35_PAD_LD7__IPU_DISPB_DAT_7, + MX35_PAD_LD8__IPU_DISPB_DAT_8, + MX35_PAD_LD9__IPU_DISPB_DAT_9, + MX35_PAD_LD10__IPU_DISPB_DAT_10, + MX35_PAD_LD11__IPU_DISPB_DAT_11, + MX35_PAD_LD12__IPU_DISPB_DAT_12, + MX35_PAD_LD13__IPU_DISPB_DAT_13, + MX35_PAD_LD14__IPU_DISPB_DAT_14, + MX35_PAD_LD15__IPU_DISPB_DAT_15, + MX35_PAD_LD16__IPU_DISPB_DAT_16, + MX35_PAD_LD17__IPU_DISPB_DAT_17, + MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC, + MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK, + MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY, + MX35_PAD_CONTRAST__IPU_DISPB_CONTR, + MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC, + MX35_PAD_D3_REV__IPU_DISPB_D3_REV, + MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS, + /* gpio */ + MX35_PAD_ATA_CS0__GPIO2_6, + /* USB host */ + MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR, + MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC, + /* SSI */ + MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS, + MX35_PAD_STXD4__AUDMUX_AUD4_TXD, + MX35_PAD_SRXD4__AUDMUX_AUD4_RXD, + MX35_PAD_SCK4__AUDMUX_AUD4_TXC, +}; + +#define AC97_GPIO_TXFS (1 * 32 + 31) +#define AC97_GPIO_TXD (1 * 32 + 28) +#define AC97_GPIO_RESET (1 * 32 + 0) + +static void pcm043_ac97_warm_reset(struct snd_ac97 *ac97) +{ + struct pad_desc txfs_gpio = MX35_PAD_STXFS4__GPIO2_31; + struct pad_desc txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS; + int ret; + + ret = gpio_request(AC97_GPIO_TXFS, "SSI"); + if (ret) { + printk("failed to get GPIO_TXFS: %d\n", ret); + return; + } + + mxc_iomux_v3_setup_pad(&txfs_gpio); + + /* warm reset */ + gpio_direction_output(AC97_GPIO_TXFS, 1); + udelay(2); + gpio_set_value(AC97_GPIO_TXFS, 0); + + gpio_free(AC97_GPIO_TXFS); + mxc_iomux_v3_setup_pad(&txfs); +} + +static void pcm043_ac97_cold_reset(struct snd_ac97 *ac97) +{ + struct pad_desc txfs_gpio = MX35_PAD_STXFS4__GPIO2_31; + struct pad_desc txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS; + struct pad_desc txd_gpio = MX35_PAD_STXD4__GPIO2_28; + struct pad_desc txd = MX35_PAD_STXD4__AUDMUX_AUD4_TXD; + struct pad_desc reset_gpio = MX35_PAD_SD2_CMD__GPIO2_0; + int ret; + + ret = gpio_request(AC97_GPIO_TXFS, "SSI"); + if (ret) + goto err1; + + ret = gpio_request(AC97_GPIO_TXD, "SSI"); + if (ret) + goto err2; + + ret = gpio_request(AC97_GPIO_RESET, "SSI"); + if (ret) + goto err3; + + mxc_iomux_v3_setup_pad(&txfs_gpio); + mxc_iomux_v3_setup_pad(&txd_gpio); + mxc_iomux_v3_setup_pad(&reset_gpio); + + gpio_direction_output(AC97_GPIO_TXFS, 0); + gpio_direction_output(AC97_GPIO_TXD, 0); + + /* cold reset */ + gpio_direction_output(AC97_GPIO_RESET, 0); + udelay(10); + gpio_direction_output(AC97_GPIO_RESET, 1); + + mxc_iomux_v3_setup_pad(&txd); + mxc_iomux_v3_setup_pad(&txfs); + + gpio_free(AC97_GPIO_RESET); +err3: + gpio_free(AC97_GPIO_TXD); +err2: + gpio_free(AC97_GPIO_TXFS); +err1: + if (ret) + printk("%s failed with %d\n", __func__, ret); + mdelay(1); +} + +static struct imx_ssi_platform_data pcm043_ssi_pdata = { + .ac97_reset = pcm043_ac97_cold_reset, + .ac97_warm_reset = pcm043_ac97_warm_reset, + .flags = IMX_SSI_USE_AC97, +}; + +static struct mxc_nand_platform_data pcm037_nand_board_info = { + .width = 1, + .hw_ecc = 1, +}; + +static struct mxc_usbh_platform_data otg_pdata = { + .portsc = MXC_EHCI_MODE_UTMI, + .flags = MXC_EHCI_INTERFACE_DIFF_UNI, +}; + +static struct mxc_usbh_platform_data usbh1_pdata = { + .portsc = MXC_EHCI_MODE_SERIAL, + .flags = MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY | + MXC_EHCI_IPPUE_DOWN, +}; + +static struct fsl_usb2_platform_data otg_device_pdata = { + .operating_mode = FSL_USB2_DR_DEVICE, + .phy_mode = FSL_USB2_PHY_UTMI, +}; + +static int otg_mode_host; + +static int __init pcm043_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=", pcm043_otg_mode); + +/* + * Board specific initialization. + */ +static void __init mxc_board_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(pcm043_pads, ARRAY_SIZE(pcm043_pads)); + + mxc_audmux_v2_configure_port(3, + MXC_AUDMUX_V2_PTCR_SYN | /* 4wire mode */ + MXC_AUDMUX_V2_PTCR_TFSEL(0) | + MXC_AUDMUX_V2_PTCR_TFSDIR, + MXC_AUDMUX_V2_PDCR_RXDSEL(0)); + + mxc_audmux_v2_configure_port(0, + MXC_AUDMUX_V2_PTCR_SYN | /* 4wire mode */ + MXC_AUDMUX_V2_PTCR_TCSEL(3) | + MXC_AUDMUX_V2_PTCR_TCLKDIR, /* clock is output */ + MXC_AUDMUX_V2_PDCR_RXDSEL(3)); + + platform_add_devices(devices, ARRAY_SIZE(devices)); + + mxc_register_device(&mxc_uart_device0, &uart_pdata); + mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info); + mxc_register_device(&imx_ssi_device0, &pcm043_ssi_pdata); + + mxc_register_device(&mxc_uart_device1, &uart_pdata); + +#if defined CONFIG_I2C_IMX || defined CONFIG_I2C_IMX_MODULE + i2c_register_board_info(0, pcm043_i2c_devices, + ARRAY_SIZE(pcm043_i2c_devices)); + + mxc_register_device(&mxc_i2c_device0, &pcm043_i2c_1_data); +#endif + + mxc_register_device(&mx3_ipu, &mx3_ipu_data); + mxc_register_device(&mx3_fb, &mx3fb_pdata); + +#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); + } + + mxc_register_device(&mxc_usbh1, &usbh1_pdata); +#endif + if (!otg_mode_host) + mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata); + +} + +static void __init pcm043_timer_init(void) +{ + mx35_clocks_init(); +} + +struct sys_timer pcm043_timer = { + .init = pcm043_timer_init, +}; + +MACHINE_START(PCM043, "Phytec Phycore pcm043") + /* Maintainer: Pengutronix */ + .phys_io = MX35_AIPS1_BASE_ADDR, + .io_pg_offst = ((MX35_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, + .boot_params = MX3x_PHYS_OFFSET + 0x100, + .map_io = mx35_map_io, + .init_irq = mx35_init_irq, + .init_machine = mxc_board_init, + .timer = &pcm043_timer, +MACHINE_END + |