aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-imx/mach-mx53_loco.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-imx/mach-mx53_loco.c')
-rw-r--r--arch/arm/mach-imx/mach-mx53_loco.c320
1 files changed, 320 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-mx53_loco.c b/arch/arm/mach-imx/mach-mx53_loco.c
new file mode 100644
index 00000000000..37f67cac15a
--- /dev/null
+++ b/arch/arm/mach-imx/mach-mx53_loco.c
@@ -0,0 +1,320 @@
+/*
+ * 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 <linux/init.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/i2c.h>
+
+#include <mach/common.h>
+#include <mach/hardware.h>
+#include <mach/iomux-mx53.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.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 const struct fec_platform_data mx53_loco_fec_data __initconst = {
+ .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),
+};
+
+void __init imx53_qsb_common_init(void)
+{
+ mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads,
+ ARRAY_SIZE(mx53_loco_pads));
+}
+
+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();
+ imx53_qsb_common_init();
+
+ 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,
+ .restart = mxc_restart,
+MACHINE_END