| /* |
| * linux/arch/arm/mach-mmp/gplugd.c |
| * |
| * Support for the Marvell PXA168-based GuruPlug Display (gplugD) Platform. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * publishhed by the Free Software Foundation. |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/platform_device.h> |
| #include <linux/gpio.h> |
| #include <linux/gpio-pxa.h> |
| |
| #include <asm/mach/arch.h> |
| #include <asm/mach-types.h> |
| |
| #include "irqs.h" |
| #include "pxa168.h" |
| #include "mfp-pxa168.h" |
| |
| #include "common.h" |
| |
| static unsigned long gplugd_pin_config[] __initdata = { |
| /* UART3 */ |
| GPIO8_UART3_TXD, |
| GPIO9_UART3_RXD, |
| GPIO1O_UART3_CTS, |
| GPIO11_UART3_RTS, |
| |
| /* USB OTG PEN */ |
| GPIO18_GPIO, |
| |
| /* MMC2 */ |
| GPIO28_MMC2_CMD, |
| GPIO29_MMC2_CLK, |
| GPIO30_MMC2_DAT0, |
| GPIO31_MMC2_DAT1, |
| GPIO32_MMC2_DAT2, |
| GPIO33_MMC2_DAT3, |
| |
| /* LCD & HDMI clock selection GPIO: 0: 74.176MHz, 1: 74.25 MHz */ |
| GPIO35_GPIO, |
| GPIO36_GPIO, /* CEC Interrupt */ |
| |
| /* MMC1 */ |
| GPIO43_MMC1_CLK, |
| GPIO49_MMC1_CMD, |
| GPIO41_MMC1_DAT0, |
| GPIO40_MMC1_DAT1, |
| GPIO52_MMC1_DAT2, |
| GPIO51_MMC1_DAT3, |
| GPIO53_MMC1_CD, |
| |
| /* LCD */ |
| GPIO56_LCD_FCLK_RD, |
| GPIO57_LCD_LCLK_A0, |
| GPIO58_LCD_PCLK_WR, |
| GPIO59_LCD_DENA_BIAS, |
| GPIO60_LCD_DD0, |
| GPIO61_LCD_DD1, |
| GPIO62_LCD_DD2, |
| GPIO63_LCD_DD3, |
| GPIO64_LCD_DD4, |
| GPIO65_LCD_DD5, |
| GPIO66_LCD_DD6, |
| GPIO67_LCD_DD7, |
| GPIO68_LCD_DD8, |
| GPIO69_LCD_DD9, |
| GPIO70_LCD_DD10, |
| GPIO71_LCD_DD11, |
| GPIO72_LCD_DD12, |
| GPIO73_LCD_DD13, |
| GPIO74_LCD_DD14, |
| GPIO75_LCD_DD15, |
| GPIO76_LCD_DD16, |
| GPIO77_LCD_DD17, |
| GPIO78_LCD_DD18, |
| GPIO79_LCD_DD19, |
| GPIO80_LCD_DD20, |
| GPIO81_LCD_DD21, |
| GPIO82_LCD_DD22, |
| GPIO83_LCD_DD23, |
| |
| /* GPIO */ |
| GPIO84_GPIO, |
| GPIO85_GPIO, |
| |
| /* Fast-Ethernet*/ |
| GPIO86_TX_CLK, |
| GPIO87_TX_EN, |
| GPIO88_TX_DQ3, |
| GPIO89_TX_DQ2, |
| GPIO90_TX_DQ1, |
| GPIO91_TX_DQ0, |
| GPIO92_MII_CRS, |
| GPIO93_MII_COL, |
| GPIO94_RX_CLK, |
| GPIO95_RX_ER, |
| GPIO96_RX_DQ3, |
| GPIO97_RX_DQ2, |
| GPIO98_RX_DQ1, |
| GPIO99_RX_DQ0, |
| GPIO100_MII_MDC, |
| GPIO101_MII_MDIO, |
| GPIO103_RX_DV, |
| GPIO104_GPIO, /* Reset PHY */ |
| |
| /* RTC interrupt */ |
| GPIO102_GPIO, |
| |
| /* I2C */ |
| GPIO105_CI2C_SDA, |
| GPIO106_CI2C_SCL, |
| |
| /* SPI NOR Flash on SSP2 */ |
| GPIO107_SSP2_RXD, |
| GPIO108_SSP2_TXD, |
| GPIO110_GPIO, /* SPI_CSn */ |
| GPIO111_SSP2_CLK, |
| |
| /* Select JTAG */ |
| GPIO109_GPIO, |
| |
| /* I2S */ |
| GPIO114_I2S_FRM, |
| GPIO115_I2S_BCLK, |
| GPIO116_I2S_TXD |
| }; |
| |
| static struct pxa_gpio_platform_data pxa168_gpio_pdata = { |
| .irq_base = MMP_GPIO_TO_IRQ(0), |
| }; |
| |
| static struct i2c_board_info gplugd_i2c_board_info[] = { |
| { |
| .type = "isl1208", |
| .addr = 0x6F, |
| } |
| }; |
| |
| /* Bring PHY out of reset by setting GPIO 104 */ |
| static int gplugd_eth_init(void) |
| { |
| if (unlikely(gpio_request(104, "ETH_RESET_N"))) { |
| printk(KERN_ERR "Can't get hold of GPIO 104 to bring Ethernet " |
| "PHY out of reset\n"); |
| return -EIO; |
| } |
| |
| gpio_direction_output(104, 1); |
| gpio_free(104); |
| return 0; |
| } |
| |
| struct pxa168_eth_platform_data gplugd_eth_platform_data = { |
| .port_number = 0, |
| .phy_addr = 0, |
| .speed = 0, /* Autonagotiation */ |
| .intf = PHY_INTERFACE_MODE_RMII, |
| .init = gplugd_eth_init, |
| }; |
| |
| static void __init select_disp_freq(void) |
| { |
| /* set GPIO 35 & clear GPIO 85 to set LCD External Clock to 74.25 MHz */ |
| if (unlikely(gpio_request(35, "DISP_FREQ_SEL"))) { |
| printk(KERN_ERR "Can't get hold of GPIO 35 to select display " |
| "frequency\n"); |
| } else { |
| gpio_direction_output(35, 1); |
| gpio_free(35); |
| } |
| |
| if (unlikely(gpio_request(85, "DISP_FREQ_SEL_2"))) { |
| printk(KERN_ERR "Can't get hold of GPIO 85 to select display " |
| "frequency\n"); |
| } else { |
| gpio_direction_output(85, 0); |
| gpio_free(85); |
| } |
| } |
| |
| static void __init gplugd_init(void) |
| { |
| mfp_config(ARRAY_AND_SIZE(gplugd_pin_config)); |
| |
| select_disp_freq(); |
| |
| /* on-chip devices */ |
| pxa168_add_uart(3); |
| pxa168_add_ssp(1); |
| pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(gplugd_i2c_board_info)); |
| platform_device_add_data(&pxa168_device_gpio, &pxa168_gpio_pdata, |
| sizeof(struct pxa_gpio_platform_data)); |
| platform_device_register(&pxa168_device_gpio); |
| |
| pxa168_add_eth(&gplugd_eth_platform_data); |
| } |
| |
| MACHINE_START(GPLUGD, "PXA168-based GuruPlug Display (gplugD) Platform") |
| .map_io = mmp_map_io, |
| .nr_irqs = MMP_NR_IRQS, |
| .init_irq = pxa168_init_irq, |
| .init_time = pxa168_timer_init, |
| .init_machine = gplugd_init, |
| .restart = pxa168_restart, |
| MACHINE_END |