/* * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. */ /* * 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 "crm_regs.h" #include "devices-imx53.h" #define MX53_LOCO_POWER IMX_GPIO_NR(1, 8) #define MX53_LOCO_UI1 IMX_GPIO_NR(2, 14) #define MX53_LOCO_UI2 IMX_GPIO_NR(2, 15) #define LOCO_FEC_PHY_RST IMX_GPIO_NR(7, 6) #define LOCO_LED IMX_GPIO_NR(7, 7) #define LOCO_SD3_CD IMX_GPIO_NR(3, 11) #define LOCO_SD3_WP IMX_GPIO_NR(3, 12) #define LOCO_SD1_CD IMX_GPIO_NR(3, 13) #define LOCO_ACCEL_EN IMX_GPIO_NR(6, 14) static iomux_v3_cfg_t mx53_loco_pads[] = { /* FEC */ MX53_PAD_FEC_MDC__FEC_MDC, MX53_PAD_FEC_MDIO__FEC_MDIO, MX53_PAD_FEC_REF_CLK__FEC_TX_CLK, MX53_PAD_FEC_RX_ER__FEC_RX_ER, MX53_PAD_FEC_CRS_DV__FEC_RX_DV, MX53_PAD_FEC_RXD1__FEC_RDATA_1, MX53_PAD_FEC_RXD0__FEC_RDATA_0, MX53_PAD_FEC_TX_EN__FEC_TX_EN, MX53_PAD_FEC_TXD1__FEC_TDATA_1, MX53_PAD_FEC_TXD0__FEC_TDATA_0, /* FEC_nRST */ MX53_PAD_PATA_DA_0__GPIO7_6, /* FEC_nINT */ MX53_PAD_PATA_DATA4__GPIO2_4, /* AUDMUX5 */ MX53_PAD_KEY_COL0__AUDMUX_AUD5_TXC, MX53_PAD_KEY_ROW0__AUDMUX_AUD5_TXD, MX53_PAD_KEY_COL1__AUDMUX_AUD5_TXFS, MX53_PAD_KEY_ROW1__AUDMUX_AUD5_RXD, /* I2C1 */ MX53_PAD_CSI0_DAT8__I2C1_SDA, MX53_PAD_CSI0_DAT9__I2C1_SCL, MX53_PAD_NANDF_CS1__GPIO6_14, /* Accelerometer Enable */ /* I2C2 */ MX53_PAD_KEY_COL3__I2C2_SCL, MX53_PAD_KEY_ROW3__I2C2_SDA, /* SD1 */ MX53_PAD_SD1_CMD__ESDHC1_CMD, MX53_PAD_SD1_CLK__ESDHC1_CLK, MX53_PAD_SD1_DATA0__ESDHC1_DAT0, MX53_PAD_SD1_DATA1__ESDHC1_DAT1, MX53_PAD_SD1_DATA2__ESDHC1_DAT2, MX53_PAD_SD1_DATA3__ESDHC1_DAT3, /* SD1_CD */ MX53_PAD_EIM_DA13__GPIO3_13, /* SD3 */ MX53_PAD_PATA_DATA8__ESDHC3_DAT0, MX53_PAD_PATA_DATA9__ESDHC3_DAT1, MX53_PAD_PATA_DATA10__ESDHC3_DAT2, MX53_PAD_PATA_DATA11__ESDHC3_DAT3, MX53_PAD_PATA_DATA0__ESDHC3_DAT4, MX53_PAD_PATA_DATA1__ESDHC3_DAT5, MX53_PAD_PATA_DATA2__ESDHC3_DAT6, MX53_PAD_PATA_DATA3__ESDHC3_DAT7, MX53_PAD_PATA_IORDY__ESDHC3_CLK, MX53_PAD_PATA_RESET_B__ESDHC3_CMD, /* SD3_CD */ MX53_PAD_EIM_DA11__GPIO3_11, /* SD3_WP */ MX53_PAD_EIM_DA12__GPIO3_12, /* VGA */ MX53_PAD_EIM_OE__IPU_DI1_PIN7, MX53_PAD_EIM_RW__IPU_DI1_PIN8, /* DISPLB */ MX53_PAD_EIM_D20__IPU_SER_DISP0_CS, MX53_PAD_EIM_D21__IPU_DISPB0_SER_CLK, MX53_PAD_EIM_D22__IPU_DISPB0_SER_DIN, MX53_PAD_EIM_D23__IPU_DI0_D0_CS, /* DISP0_POWER_EN */ MX53_PAD_EIM_D24__GPIO3_24, /* DISP0 DET INT */ MX53_PAD_EIM_D31__GPIO3_31, /* LVDS */ MX53_PAD_LVDS0_TX3_P__LDB_LVDS0_TX3, MX53_PAD_LVDS0_CLK_P__LDB_LVDS0_CLK, MX53_PAD_LVDS0_TX2_P__LDB_LVDS0_TX2, MX53_PAD_LVDS0_TX1_P__LDB_LVDS0_TX1, MX53_PAD_LVDS0_TX0_P__LDB_LVDS0_TX0, MX53_PAD_LVDS1_TX3_P__LDB_LVDS1_TX3, MX53_PAD_LVDS1_TX2_P__LDB_LVDS1_TX2, MX53_PAD_LVDS1_CLK_P__LDB_LVDS1_CLK, MX53_PAD_LVDS1_TX1_P__LDB_LVDS1_TX1, MX53_PAD_LVDS1_TX0_P__LDB_LVDS1_TX0, /* I2C1 */ MX53_PAD_CSI0_DAT8__I2C1_SDA, MX53_PAD_CSI0_DAT9__I2C1_SCL, /* UART1 */ MX53_PAD_CSI0_DAT10__UART1_TXD_MUX, MX53_PAD_CSI0_DAT11__UART1_RXD_MUX, /* CSI0 */ MX53_PAD_CSI0_DAT12__IPU_CSI0_D_12, MX53_PAD_CSI0_DAT13__IPU_CSI0_D_13, MX53_PAD_CSI0_DAT14__IPU_CSI0_D_14, MX53_PAD_CSI0_DAT15__IPU_CSI0_D_15, MX53_PAD_CSI0_DAT16__IPU_CSI0_D_16, MX53_PAD_CSI0_DAT17__IPU_CSI0_D_17, MX53_PAD_CSI0_DAT18__IPU_CSI0_D_18, MX53_PAD_CSI0_DAT19__IPU_CSI0_D_19, MX53_PAD_CSI0_VSYNC__IPU_CSI0_VSYNC, MX53_PAD_CSI0_MCLK__IPU_CSI0_HSYNC, MX53_PAD_CSI0_PIXCLK__IPU_CSI0_PIXCLK, /* DISPLAY */ MX53_PAD_DI0_DISP_CLK__IPU_DI0_DISP_CLK, MX53_PAD_DI0_PIN15__IPU_DI0_PIN15, MX53_PAD_DI0_PIN2__IPU_DI0_PIN2, MX53_PAD_DI0_PIN3__IPU_DI0_PIN3, MX53_PAD_DISP0_DAT0__IPU_DISP0_DAT_0, MX53_PAD_DISP0_DAT1__IPU_DISP0_DAT_1, MX53_PAD_DISP0_DAT2__IPU_DISP0_DAT_2, MX53_PAD_DISP0_DAT3__IPU_DISP0_DAT_3, MX53_PAD_DISP0_DAT4__IPU_DISP0_DAT_4, MX53_PAD_DISP0_DAT5__IPU_DISP0_DAT_5, MX53_PAD_DISP0_DAT6__IPU_DISP0_DAT_6, MX53_PAD_DISP0_DAT7__IPU_DISP0_DAT_7, MX53_PAD_DISP0_DAT8__IPU_DISP0_DAT_8, MX53_PAD_DISP0_DAT9__IPU_DISP0_DAT_9, MX53_PAD_DISP0_DAT10__IPU_DISP0_DAT_10, MX53_PAD_DISP0_DAT11__IPU_DISP0_DAT_11, MX53_PAD_DISP0_DAT12__IPU_DISP0_DAT_12, MX53_PAD_DISP0_DAT13__IPU_DISP0_DAT_13, MX53_PAD_DISP0_DAT14__IPU_DISP0_DAT_14, MX53_PAD_DISP0_DAT15__IPU_DISP0_DAT_15, MX53_PAD_DISP0_DAT16__IPU_DISP0_DAT_16, MX53_PAD_DISP0_DAT17__IPU_DISP0_DAT_17, MX53_PAD_DISP0_DAT18__IPU_DISP0_DAT_18, MX53_PAD_DISP0_DAT19__IPU_DISP0_DAT_19, MX53_PAD_DISP0_DAT20__IPU_DISP0_DAT_20, MX53_PAD_DISP0_DAT21__IPU_DISP0_DAT_21, MX53_PAD_DISP0_DAT22__IPU_DISP0_DAT_22, MX53_PAD_DISP0_DAT23__IPU_DISP0_DAT_23, /* Audio CLK*/ MX53_PAD_GPIO_0__CCM_SSI_EXT1_CLK, /* PWM */ MX53_PAD_GPIO_1__PWM2_PWMO, /* SPDIF */ MX53_PAD_GPIO_7__SPDIF_PLOCK, MX53_PAD_GPIO_17__SPDIF_OUT1, /* GPIO */ MX53_PAD_PATA_DA_1__GPIO7_7, /* LED */ MX53_PAD_PATA_DA_2__GPIO7_8, MX53_PAD_PATA_DATA5__GPIO2_5, MX53_PAD_PATA_DATA6__GPIO2_6, MX53_PAD_PATA_DATA14__GPIO2_14, MX53_PAD_PATA_DATA15__GPIO2_15, MX53_PAD_PATA_INTRQ__GPIO7_2, MX53_PAD_EIM_WAIT__GPIO5_0, MX53_PAD_NANDF_WP_B__GPIO6_9, MX53_PAD_NANDF_RB0__GPIO6_10, MX53_PAD_NANDF_CS1__GPIO6_14, MX53_PAD_NANDF_CS2__GPIO6_15, MX53_PAD_NANDF_CS3__GPIO6_16, MX53_PAD_GPIO_5__GPIO1_5, MX53_PAD_GPIO_16__GPIO7_11, MX53_PAD_GPIO_8__GPIO1_8, }; #define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake) \ { \ .gpio = gpio_num, \ .type = EV_KEY, \ .code = ev_code, \ .active_low = act_low, \ .desc = "btn " descr, \ .wakeup = wake, \ } static struct gpio_keys_button loco_buttons[] = { GPIO_BUTTON(MX53_LOCO_POWER, KEY_POWER, 1, "power", 0), GPIO_BUTTON(MX53_LOCO_UI1, KEY_VOLUMEUP, 1, "volume-up", 0), GPIO_BUTTON(MX53_LOCO_UI2, KEY_VOLUMEDOWN, 1, "volume-down", 0), }; static const struct gpio_keys_platform_data loco_button_data __initconst = { .buttons = loco_buttons, .nbuttons = ARRAY_SIZE(loco_buttons), }; static const struct esdhc_platform_data mx53_loco_sd1_data __initconst = { .cd_gpio = LOCO_SD1_CD, .cd_type = ESDHC_CD_GPIO, .wp_type = ESDHC_WP_NONE, }; static const struct esdhc_platform_data mx53_loco_sd3_data __initconst = { .cd_gpio = LOCO_SD3_CD, .wp_gpio = LOCO_SD3_WP, .cd_type = ESDHC_CD_GPIO, .wp_type = ESDHC_WP_GPIO, }; static inline void mx53_loco_fec_reset(void) { int ret; /* reset FEC PHY */ ret = gpio_request(LOCO_FEC_PHY_RST, "fec-phy-reset"); if (ret) { printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret); return; } gpio_direction_output(LOCO_FEC_PHY_RST, 0); msleep(1); gpio_set_value(LOCO_FEC_PHY_RST, 1); } static struct fec_platform_data mx53_loco_fec_data = { .phy = PHY_INTERFACE_MODE_RMII, }; static const struct imxi2c_platform_data mx53_loco_i2c_data __initconst = { .bitrate = 100000, }; static const struct gpio_led mx53loco_leds[] __initconst = { { .name = "green", .default_trigger = "heartbeat", .gpio = LOCO_LED, }, }; static const struct gpio_led_platform_data mx53loco_leds_data __initconst = { .leds = mx53loco_leds, .num_leds = ARRAY_SIZE(mx53loco_leds), }; static struct i2c_board_info mx53loco_i2c_devices[] = { { I2C_BOARD_INFO("mma8450", 0x1C), }, }; static void __init mx53_loco_board_init(void) { int ret; imx53_soc_init(); mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads, ARRAY_SIZE(mx53_loco_pads)); imx53_add_imx_uart(0, NULL); mx53_loco_fec_reset(); imx53_add_fec(&mx53_loco_fec_data); imx53_add_imx2_wdt(0, NULL); ret = gpio_request_one(LOCO_ACCEL_EN, GPIOF_OUT_INIT_HIGH, "accel_en"); if (ret) pr_err("Cannot request ACCEL_EN pin: %d\n", ret); i2c_register_board_info(0, mx53loco_i2c_devices, ARRAY_SIZE(mx53loco_i2c_devices)); imx53_add_imx_i2c(0, &mx53_loco_i2c_data); imx53_add_imx_i2c(1, &mx53_loco_i2c_data); imx53_add_sdhci_esdhc_imx(0, &mx53_loco_sd1_data); imx53_add_sdhci_esdhc_imx(2, &mx53_loco_sd3_data); imx_add_gpio_keys(&loco_button_data); gpio_led_register_device(-1, &mx53loco_leds_data); imx53_add_ahci_imx(); } static void __init mx53_loco_timer_init(void) { mx53_clocks_init(32768, 24000000, 0, 0); } static struct sys_timer mx53_loco_timer = { .init = mx53_loco_timer_init, }; MACHINE_START(MX53_LOCO, "Freescale MX53 LOCO Board") .map_io = mx53_map_io, .init_early = imx53_init_early, .init_irq = mx53_init_irq, .handle_irq = imx53_handle_irq, .timer = &mx53_loco_timer, .init_machine = mx53_loco_board_init, MACHINE_END