315 lines
9.1 KiB
C
315 lines
9.1 KiB
C
/*
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* Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
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*/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <linux/init.h>
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#include <linux/clk.h>
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#include <linux/delay.h>
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#include <linux/gpio.h>
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#include <linux/i2c.h>
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#include <mach/common.h>
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#include <mach/hardware.h>
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#include <mach/iomux-mx53.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include "crm_regs.h"
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#include "devices-imx53.h"
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#define MX53_LOCO_POWER IMX_GPIO_NR(1, 8)
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#define MX53_LOCO_UI1 IMX_GPIO_NR(2, 14)
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#define MX53_LOCO_UI2 IMX_GPIO_NR(2, 15)
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#define LOCO_FEC_PHY_RST IMX_GPIO_NR(7, 6)
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#define LOCO_LED IMX_GPIO_NR(7, 7)
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#define LOCO_SD3_CD IMX_GPIO_NR(3, 11)
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#define LOCO_SD3_WP IMX_GPIO_NR(3, 12)
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#define LOCO_SD1_CD IMX_GPIO_NR(3, 13)
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#define LOCO_ACCEL_EN IMX_GPIO_NR(6, 14)
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static iomux_v3_cfg_t mx53_loco_pads[] = {
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/* FEC */
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MX53_PAD_FEC_MDC__FEC_MDC,
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MX53_PAD_FEC_MDIO__FEC_MDIO,
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MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
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MX53_PAD_FEC_RX_ER__FEC_RX_ER,
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MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
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MX53_PAD_FEC_RXD1__FEC_RDATA_1,
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MX53_PAD_FEC_RXD0__FEC_RDATA_0,
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MX53_PAD_FEC_TX_EN__FEC_TX_EN,
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MX53_PAD_FEC_TXD1__FEC_TDATA_1,
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MX53_PAD_FEC_TXD0__FEC_TDATA_0,
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/* FEC_nRST */
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MX53_PAD_PATA_DA_0__GPIO7_6,
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/* FEC_nINT */
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MX53_PAD_PATA_DATA4__GPIO2_4,
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/* AUDMUX5 */
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MX53_PAD_KEY_COL0__AUDMUX_AUD5_TXC,
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MX53_PAD_KEY_ROW0__AUDMUX_AUD5_TXD,
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MX53_PAD_KEY_COL1__AUDMUX_AUD5_TXFS,
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MX53_PAD_KEY_ROW1__AUDMUX_AUD5_RXD,
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/* I2C1 */
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MX53_PAD_CSI0_DAT8__I2C1_SDA,
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MX53_PAD_CSI0_DAT9__I2C1_SCL,
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MX53_PAD_NANDF_CS1__GPIO6_14, /* Accelerometer Enable */
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/* I2C2 */
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MX53_PAD_KEY_COL3__I2C2_SCL,
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MX53_PAD_KEY_ROW3__I2C2_SDA,
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/* SD1 */
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MX53_PAD_SD1_CMD__ESDHC1_CMD,
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MX53_PAD_SD1_CLK__ESDHC1_CLK,
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MX53_PAD_SD1_DATA0__ESDHC1_DAT0,
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MX53_PAD_SD1_DATA1__ESDHC1_DAT1,
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MX53_PAD_SD1_DATA2__ESDHC1_DAT2,
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MX53_PAD_SD1_DATA3__ESDHC1_DAT3,
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/* SD1_CD */
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MX53_PAD_EIM_DA13__GPIO3_13,
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/* SD3 */
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MX53_PAD_PATA_DATA8__ESDHC3_DAT0,
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MX53_PAD_PATA_DATA9__ESDHC3_DAT1,
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MX53_PAD_PATA_DATA10__ESDHC3_DAT2,
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MX53_PAD_PATA_DATA11__ESDHC3_DAT3,
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MX53_PAD_PATA_DATA0__ESDHC3_DAT4,
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MX53_PAD_PATA_DATA1__ESDHC3_DAT5,
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MX53_PAD_PATA_DATA2__ESDHC3_DAT6,
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MX53_PAD_PATA_DATA3__ESDHC3_DAT7,
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MX53_PAD_PATA_IORDY__ESDHC3_CLK,
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MX53_PAD_PATA_RESET_B__ESDHC3_CMD,
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/* SD3_CD */
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MX53_PAD_EIM_DA11__GPIO3_11,
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/* SD3_WP */
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MX53_PAD_EIM_DA12__GPIO3_12,
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/* VGA */
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MX53_PAD_EIM_OE__IPU_DI1_PIN7,
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MX53_PAD_EIM_RW__IPU_DI1_PIN8,
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/* DISPLB */
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MX53_PAD_EIM_D20__IPU_SER_DISP0_CS,
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MX53_PAD_EIM_D21__IPU_DISPB0_SER_CLK,
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MX53_PAD_EIM_D22__IPU_DISPB0_SER_DIN,
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MX53_PAD_EIM_D23__IPU_DI0_D0_CS,
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/* DISP0_POWER_EN */
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MX53_PAD_EIM_D24__GPIO3_24,
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/* DISP0 DET INT */
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MX53_PAD_EIM_D31__GPIO3_31,
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/* LVDS */
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MX53_PAD_LVDS0_TX3_P__LDB_LVDS0_TX3,
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MX53_PAD_LVDS0_CLK_P__LDB_LVDS0_CLK,
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MX53_PAD_LVDS0_TX2_P__LDB_LVDS0_TX2,
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MX53_PAD_LVDS0_TX1_P__LDB_LVDS0_TX1,
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MX53_PAD_LVDS0_TX0_P__LDB_LVDS0_TX0,
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MX53_PAD_LVDS1_TX3_P__LDB_LVDS1_TX3,
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MX53_PAD_LVDS1_TX2_P__LDB_LVDS1_TX2,
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MX53_PAD_LVDS1_CLK_P__LDB_LVDS1_CLK,
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MX53_PAD_LVDS1_TX1_P__LDB_LVDS1_TX1,
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MX53_PAD_LVDS1_TX0_P__LDB_LVDS1_TX0,
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/* I2C1 */
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MX53_PAD_CSI0_DAT8__I2C1_SDA,
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MX53_PAD_CSI0_DAT9__I2C1_SCL,
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/* UART1 */
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MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
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MX53_PAD_CSI0_DAT11__UART1_RXD_MUX,
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/* CSI0 */
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MX53_PAD_CSI0_DAT12__IPU_CSI0_D_12,
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MX53_PAD_CSI0_DAT13__IPU_CSI0_D_13,
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MX53_PAD_CSI0_DAT14__IPU_CSI0_D_14,
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MX53_PAD_CSI0_DAT15__IPU_CSI0_D_15,
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MX53_PAD_CSI0_DAT16__IPU_CSI0_D_16,
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MX53_PAD_CSI0_DAT17__IPU_CSI0_D_17,
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MX53_PAD_CSI0_DAT18__IPU_CSI0_D_18,
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MX53_PAD_CSI0_DAT19__IPU_CSI0_D_19,
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MX53_PAD_CSI0_VSYNC__IPU_CSI0_VSYNC,
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MX53_PAD_CSI0_MCLK__IPU_CSI0_HSYNC,
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MX53_PAD_CSI0_PIXCLK__IPU_CSI0_PIXCLK,
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/* DISPLAY */
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MX53_PAD_DI0_DISP_CLK__IPU_DI0_DISP_CLK,
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MX53_PAD_DI0_PIN15__IPU_DI0_PIN15,
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MX53_PAD_DI0_PIN2__IPU_DI0_PIN2,
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MX53_PAD_DI0_PIN3__IPU_DI0_PIN3,
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MX53_PAD_DISP0_DAT0__IPU_DISP0_DAT_0,
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MX53_PAD_DISP0_DAT1__IPU_DISP0_DAT_1,
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MX53_PAD_DISP0_DAT2__IPU_DISP0_DAT_2,
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MX53_PAD_DISP0_DAT3__IPU_DISP0_DAT_3,
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MX53_PAD_DISP0_DAT4__IPU_DISP0_DAT_4,
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MX53_PAD_DISP0_DAT5__IPU_DISP0_DAT_5,
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MX53_PAD_DISP0_DAT6__IPU_DISP0_DAT_6,
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MX53_PAD_DISP0_DAT7__IPU_DISP0_DAT_7,
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MX53_PAD_DISP0_DAT8__IPU_DISP0_DAT_8,
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MX53_PAD_DISP0_DAT9__IPU_DISP0_DAT_9,
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MX53_PAD_DISP0_DAT10__IPU_DISP0_DAT_10,
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MX53_PAD_DISP0_DAT11__IPU_DISP0_DAT_11,
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MX53_PAD_DISP0_DAT12__IPU_DISP0_DAT_12,
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MX53_PAD_DISP0_DAT13__IPU_DISP0_DAT_13,
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MX53_PAD_DISP0_DAT14__IPU_DISP0_DAT_14,
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MX53_PAD_DISP0_DAT15__IPU_DISP0_DAT_15,
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MX53_PAD_DISP0_DAT16__IPU_DISP0_DAT_16,
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MX53_PAD_DISP0_DAT17__IPU_DISP0_DAT_17,
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MX53_PAD_DISP0_DAT18__IPU_DISP0_DAT_18,
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MX53_PAD_DISP0_DAT19__IPU_DISP0_DAT_19,
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MX53_PAD_DISP0_DAT20__IPU_DISP0_DAT_20,
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MX53_PAD_DISP0_DAT21__IPU_DISP0_DAT_21,
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MX53_PAD_DISP0_DAT22__IPU_DISP0_DAT_22,
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MX53_PAD_DISP0_DAT23__IPU_DISP0_DAT_23,
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/* Audio CLK*/
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MX53_PAD_GPIO_0__CCM_SSI_EXT1_CLK,
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/* PWM */
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MX53_PAD_GPIO_1__PWM2_PWMO,
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/* SPDIF */
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MX53_PAD_GPIO_7__SPDIF_PLOCK,
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MX53_PAD_GPIO_17__SPDIF_OUT1,
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/* GPIO */
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MX53_PAD_PATA_DA_1__GPIO7_7, /* LED */
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MX53_PAD_PATA_DA_2__GPIO7_8,
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MX53_PAD_PATA_DATA5__GPIO2_5,
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MX53_PAD_PATA_DATA6__GPIO2_6,
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MX53_PAD_PATA_DATA14__GPIO2_14,
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MX53_PAD_PATA_DATA15__GPIO2_15,
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MX53_PAD_PATA_INTRQ__GPIO7_2,
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MX53_PAD_EIM_WAIT__GPIO5_0,
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MX53_PAD_NANDF_WP_B__GPIO6_9,
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MX53_PAD_NANDF_RB0__GPIO6_10,
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MX53_PAD_NANDF_CS1__GPIO6_14,
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MX53_PAD_NANDF_CS2__GPIO6_15,
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MX53_PAD_NANDF_CS3__GPIO6_16,
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MX53_PAD_GPIO_5__GPIO1_5,
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MX53_PAD_GPIO_16__GPIO7_11,
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MX53_PAD_GPIO_8__GPIO1_8,
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};
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#define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake) \
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{ \
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.gpio = gpio_num, \
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.type = EV_KEY, \
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.code = ev_code, \
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.active_low = act_low, \
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.desc = "btn " descr, \
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.wakeup = wake, \
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}
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static struct gpio_keys_button loco_buttons[] = {
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GPIO_BUTTON(MX53_LOCO_POWER, KEY_POWER, 1, "power", 0),
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GPIO_BUTTON(MX53_LOCO_UI1, KEY_VOLUMEUP, 1, "volume-up", 0),
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GPIO_BUTTON(MX53_LOCO_UI2, KEY_VOLUMEDOWN, 1, "volume-down", 0),
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};
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static const struct gpio_keys_platform_data loco_button_data __initconst = {
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.buttons = loco_buttons,
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.nbuttons = ARRAY_SIZE(loco_buttons),
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};
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static const struct esdhc_platform_data mx53_loco_sd1_data __initconst = {
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.cd_gpio = LOCO_SD1_CD,
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.cd_type = ESDHC_CD_GPIO,
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.wp_type = ESDHC_WP_NONE,
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};
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static const struct esdhc_platform_data mx53_loco_sd3_data __initconst = {
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.cd_gpio = LOCO_SD3_CD,
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.wp_gpio = LOCO_SD3_WP,
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.cd_type = ESDHC_CD_GPIO,
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.wp_type = ESDHC_WP_GPIO,
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};
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static inline void mx53_loco_fec_reset(void)
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{
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int ret;
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/* reset FEC PHY */
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ret = gpio_request(LOCO_FEC_PHY_RST, "fec-phy-reset");
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if (ret) {
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printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
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return;
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}
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gpio_direction_output(LOCO_FEC_PHY_RST, 0);
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msleep(1);
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gpio_set_value(LOCO_FEC_PHY_RST, 1);
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}
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static struct fec_platform_data mx53_loco_fec_data = {
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.phy = PHY_INTERFACE_MODE_RMII,
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};
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static const struct imxi2c_platform_data mx53_loco_i2c_data __initconst = {
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.bitrate = 100000,
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};
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static const struct gpio_led mx53loco_leds[] __initconst = {
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{
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.name = "green",
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.default_trigger = "heartbeat",
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.gpio = LOCO_LED,
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},
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};
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static const struct gpio_led_platform_data mx53loco_leds_data __initconst = {
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.leds = mx53loco_leds,
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.num_leds = ARRAY_SIZE(mx53loco_leds),
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};
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static struct i2c_board_info mx53loco_i2c_devices[] = {
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{
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I2C_BOARD_INFO("mma8450", 0x1C),
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},
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};
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static void __init mx53_loco_board_init(void)
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{
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int ret;
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imx53_soc_init();
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mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads,
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ARRAY_SIZE(mx53_loco_pads));
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imx53_add_imx_uart(0, NULL);
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mx53_loco_fec_reset();
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imx53_add_fec(&mx53_loco_fec_data);
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imx53_add_imx2_wdt(0, NULL);
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ret = gpio_request_one(LOCO_ACCEL_EN, GPIOF_OUT_INIT_HIGH, "accel_en");
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if (ret)
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pr_err("Cannot request ACCEL_EN pin: %d\n", ret);
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i2c_register_board_info(0, mx53loco_i2c_devices,
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ARRAY_SIZE(mx53loco_i2c_devices));
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imx53_add_imx_i2c(0, &mx53_loco_i2c_data);
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imx53_add_imx_i2c(1, &mx53_loco_i2c_data);
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imx53_add_sdhci_esdhc_imx(0, &mx53_loco_sd1_data);
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imx53_add_sdhci_esdhc_imx(2, &mx53_loco_sd3_data);
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imx_add_gpio_keys(&loco_button_data);
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gpio_led_register_device(-1, &mx53loco_leds_data);
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imx53_add_ahci_imx();
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}
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static void __init mx53_loco_timer_init(void)
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{
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mx53_clocks_init(32768, 24000000, 0, 0);
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}
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static struct sys_timer mx53_loco_timer = {
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.init = mx53_loco_timer_init,
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};
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MACHINE_START(MX53_LOCO, "Freescale MX53 LOCO Board")
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.map_io = mx53_map_io,
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.init_early = imx53_init_early,
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.init_irq = mx53_init_irq,
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.handle_irq = imx53_handle_irq,
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.timer = &mx53_loco_timer,
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.init_machine = mx53_loco_board_init,
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MACHINE_END
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