From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/mach-imx/mach-pca100.c | 442 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 442 insertions(+) create mode 100644 arch/arm/mach-imx/mach-pca100.c (limited to 'arch/arm/mach-imx/mach-pca100.c') diff --git a/arch/arm/mach-imx/mach-pca100.c b/arch/arm/mach-imx/mach-pca100.c new file mode 100644 index 00000000..bbddc5a1 --- /dev/null +++ b/arch/arm/mach-imx/mach-pca100.c @@ -0,0 +1,442 @@ +/* + * Copyright 2007 Robert Schwebel , Pengutronix + * Copyright (C) 2009 Sascha Hauer (kernel@pengutronix.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., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "devices-imx27.h" + +#define OTG_PHY_CS_GPIO (GPIO_PORTB + 23) +#define USBH2_PHY_CS_GPIO (GPIO_PORTB + 24) +#define SPI1_SS0 (GPIO_PORTD + 28) +#define SPI1_SS1 (GPIO_PORTD + 27) +#define SD2_CD (GPIO_PORTC + 29) + +static const int pca100_pins[] __initconst = { + /* UART1 */ + PE12_PF_UART1_TXD, + PE13_PF_UART1_RXD, + PE14_PF_UART1_CTS, + PE15_PF_UART1_RTS, + /* SDHC */ + PB4_PF_SD2_D0, + PB5_PF_SD2_D1, + PB6_PF_SD2_D2, + PB7_PF_SD2_D3, + PB8_PF_SD2_CMD, + PB9_PF_SD2_CLK, + SD2_CD | GPIO_GPIO | GPIO_IN, + /* FEC */ + PD0_AIN_FEC_TXD0, + PD1_AIN_FEC_TXD1, + PD2_AIN_FEC_TXD2, + PD3_AIN_FEC_TXD3, + PD4_AOUT_FEC_RX_ER, + PD5_AOUT_FEC_RXD1, + PD6_AOUT_FEC_RXD2, + PD7_AOUT_FEC_RXD3, + PD8_AF_FEC_MDIO, + PD9_AIN_FEC_MDC, + PD10_AOUT_FEC_CRS, + PD11_AOUT_FEC_TX_CLK, + PD12_AOUT_FEC_RXD0, + PD13_AOUT_FEC_RX_DV, + PD14_AOUT_FEC_RX_CLK, + PD15_AOUT_FEC_COL, + PD16_AIN_FEC_TX_ER, + PF23_AIN_FEC_TX_EN, + /* SSI1 */ + PC20_PF_SSI1_FS, + PC21_PF_SSI1_RXD, + PC22_PF_SSI1_TXD, + PC23_PF_SSI1_CLK, + /* onboard I2C */ + PC5_PF_I2C2_SDA, + PC6_PF_I2C2_SCL, + /* external I2C */ + PD17_PF_I2C_DATA, + PD18_PF_I2C_CLK, + /* SPI1 */ + PD25_PF_CSPI1_RDY, + 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, + /* display */ + PA5_PF_LSCLK, + PA6_PF_LD0, + PA7_PF_LD1, + PA8_PF_LD2, + PA9_PF_LD3, + PA10_PF_LD4, + PA11_PF_LD5, + PA12_PF_LD6, + PA13_PF_LD7, + PA14_PF_LD8, + PA15_PF_LD9, + PA16_PF_LD10, + PA17_PF_LD11, + PA18_PF_LD12, + PA19_PF_LD13, + PA20_PF_LD14, + PA21_PF_LD15, + PA22_PF_LD16, + PA23_PF_LD17, + PA26_PF_PS, + PA28_PF_HSYNC, + PA29_PF_VSYNC, + PA31_PF_OE_ACD, + /* free GPIO */ + GPIO_PORTC | 31 | GPIO_GPIO | GPIO_IN, /* GPIO0_IRQ */ + GPIO_PORTC | 25 | GPIO_GPIO | GPIO_IN, /* GPIO1_IRQ */ + GPIO_PORTE | 5 | GPIO_GPIO | GPIO_IN, /* GPIO2_IRQ */ +}; + +static const struct imxuart_platform_data uart_pdata __initconst = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static const struct mxc_nand_platform_data +pca100_nand_board_info __initconst = { + .width = 1, + .hw_ecc = 1, +}; + +static const struct imxi2c_platform_data pca100_i2c1_data __initconst = { + .bitrate = 100000, +}; + +static struct at24_platform_data board_eeprom = { + .byte_len = 4096, + .page_size = 32, + .flags = AT24_FLAG_ADDR16, +}; + +static struct i2c_board_info pca100_i2c_devices[] = { + { + I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ + .platform_data = &board_eeprom, + }, { + I2C_BOARD_INFO("pcf8563", 0x51), + }, { + I2C_BOARD_INFO("lm75", 0x4a), + } +}; + +static struct spi_eeprom at25320 = { + .name = "at25320an", + .byte_len = 4096, + .page_size = 32, + .flags = EE_ADDR2, +}; + +static struct spi_board_info pca100_spi_board_info[] __initdata = { + { + .modalias = "at25", + .max_speed_hz = 30000, + .bus_num = 0, + .chip_select = 1, + .platform_data = &at25320, + }, +}; + +static int pca100_spi_cs[] = {SPI1_SS0, SPI1_SS1}; + +static const struct spi_imx_master pca100_spi0_data __initconst = { + .chipselect = pca100_spi_cs, + .num_chipselect = ARRAY_SIZE(pca100_spi_cs), +}; + +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 const struct imx_ssi_platform_data pca100_ssi_pdata __initconst = { + .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) +{ + int ret; + + ret = request_irq(IRQ_GPIOC(29), detect_irq, + IRQF_DISABLED | IRQF_TRIGGER_FALLING, + "imx-mmc-detect", data); + if (ret) + printk(KERN_ERR + "pca100: Failed to reuest irq for sd/mmc detection\n"); + + return ret; +} + +static void pca100_sdhc2_exit(struct device *dev, void *data) +{ + free_irq(IRQ_GPIOC(29), data); +} + +static const struct imxmmc_platform_data sdhc_pdata __initconst = { + .init = pca100_sdhc2_init, + .exit = pca100_sdhc2_exit, +}; + +static int otg_phy_init(struct platform_device *pdev) +{ + gpio_set_value(OTG_PHY_CS_GPIO, 0); + + mdelay(10); + + return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI); +} + +static struct mxc_usbh_platform_data otg_pdata __initdata = { + .init = otg_phy_init, + .portsc = MXC_EHCI_MODE_ULPI, +}; + +static int usbh2_phy_init(struct platform_device *pdev) +{ + gpio_set_value(USBH2_PHY_CS_GPIO, 0); + + mdelay(10); + + return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI); +} + +static struct mxc_usbh_platform_data usbh2_pdata __initdata = { + .init = usbh2_phy_init, + .portsc = MXC_EHCI_MODE_ULPI, +}; + +static const struct fsl_usb2_platform_data otg_device_pdata __initconst = { + .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); + +/* framebuffer info */ +static struct imx_fb_videomode pca100_fb_modes[] = { + { + .mode = { + .name = "EMERGING-ETV570G0DHU", + .refresh = 60, + .xres = 640, + .yres = 480, + .pixclock = 39722, /* in ps (25.175 MHz) */ + .hsync_len = 30, + .left_margin = 114, + .right_margin = 16, + .vsync_len = 3, + .upper_margin = 32, + .lower_margin = 0, + }, + /* + * TFT + * Pixel pol active high + * HSYNC active low + * VSYNC active low + * use HSYNC for ACD count + * line clock disable while idle + * always enable line clock even if no data + */ + .pcr = 0xf0c08080, + .bpp = 16, + }, +}; + +static const struct imx_fb_platform_data pca100_fb_data __initconst = { + .mode = pca100_fb_modes, + .num_modes = ARRAY_SIZE(pca100_fb_modes), + + .pwmr = 0x00A903FF, + .lscr1 = 0x00120300, + .dmacr = 0x00020010, +}; + +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); + + imx27_add_imx_ssi(0, &pca100_ssi_pdata); + + imx27_add_imx_uart0(&uart_pdata); + + imx27_add_mxc_mmc(1, &sdhc_pdata); + + imx27_add_mxc_nand(&pca100_nand_board_info); + + /* only the i2c master 1 is used on this CPU card */ + i2c_register_board_info(1, pca100_i2c_devices, + ARRAY_SIZE(pca100_i2c_devices)); + + imx27_add_imx_i2c(1, &pca100_i2c1_data); + + mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_IN); + mxc_gpio_mode(GPIO_PORTD | 27 | GPIO_GPIO | GPIO_IN); + spi_register_board_info(pca100_spi_board_info, + ARRAY_SIZE(pca100_spi_board_info)); + imx27_add_spi_imx0(&pca100_spi0_data); + + 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 (otg_mode_host) { + otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | + ULPI_OTG_DRVVBUS_EXT); + + if (otg_pdata.otg) + imx27_add_mxc_ehci_otg(&otg_pdata); + } else { + gpio_set_value(OTG_PHY_CS_GPIO, 0); + imx27_add_fsl_usb2_udc(&otg_device_pdata); + } + + usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); + + if (usbh2_pdata.otg) + imx27_add_mxc_ehci_hs(2, &usbh2_pdata); + + imx27_add_imx_fb(&pca100_fb_data); + + imx27_add_fec(NULL); + imx27_add_imx2_wdt(NULL); + imx27_add_mxc_w1(NULL); +} + +static void __init pca100_timer_init(void) +{ + mx27_clocks_init(26000000); +} + +static struct sys_timer pca100_timer = { + .init = pca100_timer_init, +}; + +MACHINE_START(PCA100, "phyCARD-i.MX27") + .boot_params = MX27_PHYS_OFFSET + 0x100, + .map_io = mx27_map_io, + .init_early = imx27_init_early, + .init_irq = mx27_init_irq, + .init_machine = pca100_init, + .timer = &pca100_timer, +MACHINE_END -- cgit v1.2.3