mirror of https://gitee.com/openkylin/linux.git
624 lines
15 KiB
C
624 lines
15 KiB
C
/*
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* Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
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* Copyright (C) 2009 Marc Kleine-Budde, Pengutronix
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*
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* Author: Fabio Estevam <fabio.estevam@freescale.com>
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*
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* Copyright (C) 2011 Meprolight, Ltd.
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* Alex Gershgorin <alexg@meprolight.com>
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*
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* Modified from i.MX31 3-Stack Development System
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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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*
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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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*/
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/*
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* This machine is known as:
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* - i.MX35 3-Stack Development System
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* - i.MX35 Platform Development Kit (i.MX35 PDK)
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/memory.h>
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#include <linux/gpio.h>
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#include <linux/usb/otg.h>
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#include <linux/mtd/physmap.h>
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#include <linux/mfd/mc13892.h>
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#include <linux/regulator/machine.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 <asm/mach/map.h>
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#include <asm/memblock.h>
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#include <video/platform_lcd.h>
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#include <media/soc_camera.h>
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#include "3ds_debugboard.h"
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#include "common.h"
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#include "devices-imx35.h"
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#include "hardware.h"
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#include "iomux-mx35.h"
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#define GPIO_MC9S08DZ60_GPS_ENABLE 0
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#define GPIO_MC9S08DZ60_HDD_ENABLE 4
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#define GPIO_MC9S08DZ60_WIFI_ENABLE 5
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#define GPIO_MC9S08DZ60_LCD_ENABLE 6
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#define GPIO_MC9S08DZ60_SPEAKER_ENABLE 8
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static const struct fb_videomode fb_modedb[] = {
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{
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/* 800x480 @ 55 Hz */
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.name = "Ceramate-CLAA070VC01",
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.refresh = 55,
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.xres = 800,
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.yres = 480,
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.pixclock = 40000,
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.left_margin = 40,
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.right_margin = 40,
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.upper_margin = 5,
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.lower_margin = 5,
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.hsync_len = 20,
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.vsync_len = 10,
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.sync = FB_SYNC_OE_ACT_HIGH,
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.vmode = FB_VMODE_NONINTERLACED,
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.flag = 0,
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},
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};
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static struct mx3fb_platform_data mx3fb_pdata __initdata = {
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.name = "Ceramate-CLAA070VC01",
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.mode = fb_modedb,
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.num_modes = ARRAY_SIZE(fb_modedb),
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};
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static struct i2c_board_info __initdata i2c_devices_3ds[] = {
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{
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I2C_BOARD_INFO("mc9s08dz60", 0x69),
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},
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};
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static int lcd_power_gpio = -ENXIO;
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static int mc9s08dz60_gpiochip_match(struct gpio_chip *chip, void *data)
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{
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return !strcmp(chip->label, data);
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}
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static void mx35_3ds_lcd_set_power(
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struct plat_lcd_data *pd, unsigned int power)
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{
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struct gpio_chip *chip;
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if (!gpio_is_valid(lcd_power_gpio)) {
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chip = gpiochip_find(
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"mc9s08dz60", mc9s08dz60_gpiochip_match);
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if (chip) {
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lcd_power_gpio =
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chip->base + GPIO_MC9S08DZ60_LCD_ENABLE;
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if (gpio_request(lcd_power_gpio, "lcd_power") < 0) {
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pr_err("error: gpio already requested!\n");
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lcd_power_gpio = -ENXIO;
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}
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} else {
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pr_err("error: didn't find mc9s08dz60 gpio chip\n");
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}
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}
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if (gpio_is_valid(lcd_power_gpio))
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gpio_set_value_cansleep(lcd_power_gpio, power);
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}
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static struct plat_lcd_data mx35_3ds_lcd_data = {
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.set_power = mx35_3ds_lcd_set_power,
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};
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static struct platform_device mx35_3ds_lcd = {
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.name = "platform-lcd",
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.dev.platform_data = &mx35_3ds_lcd_data,
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};
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static const struct imxuart_platform_data uart_pdata __initconst = {
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.flags = IMXUART_HAVE_RTSCTS,
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};
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static struct physmap_flash_data mx35pdk_flash_data = {
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.width = 2,
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};
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static struct resource mx35pdk_flash_resource = {
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.start = MX35_CS0_BASE_ADDR,
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.end = MX35_CS0_BASE_ADDR + SZ_64M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device mx35pdk_flash = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &mx35pdk_flash_data,
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},
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.resource = &mx35pdk_flash_resource,
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.num_resources = 1,
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};
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static const struct mxc_nand_platform_data mx35pdk_nand_board_info __initconst = {
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.width = 1,
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.hw_ecc = 1,
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.flash_bbt = 1,
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};
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static struct platform_device *devices[] __initdata = {
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&mx35pdk_flash,
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};
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static iomux_v3_cfg_t mx35pdk_pads[] = {
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/* UART1 */
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MX35_PAD_CTS1__UART1_CTS,
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MX35_PAD_RTS1__UART1_RTS,
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MX35_PAD_TXD1__UART1_TXD_MUX,
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MX35_PAD_RXD1__UART1_RXD_MUX,
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/* FEC */
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MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
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MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
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MX35_PAD_FEC_RX_DV__FEC_RX_DV,
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MX35_PAD_FEC_COL__FEC_COL,
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MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
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MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
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MX35_PAD_FEC_TX_EN__FEC_TX_EN,
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MX35_PAD_FEC_MDC__FEC_MDC,
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MX35_PAD_FEC_MDIO__FEC_MDIO,
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MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
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MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
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MX35_PAD_FEC_CRS__FEC_CRS,
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MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
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MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
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MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
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MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
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MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
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MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
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/* USBOTG */
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MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR,
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MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC,
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/* USBH1 */
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MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
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MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
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/* SDCARD */
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MX35_PAD_SD1_CMD__ESDHC1_CMD,
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MX35_PAD_SD1_CLK__ESDHC1_CLK,
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MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
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MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
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MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
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MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
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/* I2C1 */
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MX35_PAD_I2C1_CLK__I2C1_SCL,
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MX35_PAD_I2C1_DAT__I2C1_SDA,
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/* Display */
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MX35_PAD_LD0__IPU_DISPB_DAT_0,
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MX35_PAD_LD1__IPU_DISPB_DAT_1,
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MX35_PAD_LD2__IPU_DISPB_DAT_2,
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MX35_PAD_LD3__IPU_DISPB_DAT_3,
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MX35_PAD_LD4__IPU_DISPB_DAT_4,
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MX35_PAD_LD5__IPU_DISPB_DAT_5,
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MX35_PAD_LD6__IPU_DISPB_DAT_6,
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MX35_PAD_LD7__IPU_DISPB_DAT_7,
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MX35_PAD_LD8__IPU_DISPB_DAT_8,
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MX35_PAD_LD9__IPU_DISPB_DAT_9,
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MX35_PAD_LD10__IPU_DISPB_DAT_10,
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MX35_PAD_LD11__IPU_DISPB_DAT_11,
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MX35_PAD_LD12__IPU_DISPB_DAT_12,
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MX35_PAD_LD13__IPU_DISPB_DAT_13,
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MX35_PAD_LD14__IPU_DISPB_DAT_14,
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MX35_PAD_LD15__IPU_DISPB_DAT_15,
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MX35_PAD_LD16__IPU_DISPB_DAT_16,
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MX35_PAD_LD17__IPU_DISPB_DAT_17,
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MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
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MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
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MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
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MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
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MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
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MX35_PAD_D3_REV__IPU_DISPB_D3_REV,
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MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
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/* CSI */
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MX35_PAD_TX1__IPU_CSI_D_6,
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MX35_PAD_TX0__IPU_CSI_D_7,
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MX35_PAD_CSI_D8__IPU_CSI_D_8,
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MX35_PAD_CSI_D9__IPU_CSI_D_9,
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MX35_PAD_CSI_D10__IPU_CSI_D_10,
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MX35_PAD_CSI_D11__IPU_CSI_D_11,
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MX35_PAD_CSI_D12__IPU_CSI_D_12,
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MX35_PAD_CSI_D13__IPU_CSI_D_13,
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MX35_PAD_CSI_D14__IPU_CSI_D_14,
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MX35_PAD_CSI_D15__IPU_CSI_D_15,
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MX35_PAD_CSI_HSYNC__IPU_CSI_HSYNC,
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MX35_PAD_CSI_MCLK__IPU_CSI_MCLK,
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MX35_PAD_CSI_PIXCLK__IPU_CSI_PIXCLK,
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MX35_PAD_CSI_VSYNC__IPU_CSI_VSYNC,
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/*PMIC IRQ*/
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MX35_PAD_GPIO2_0__GPIO2_0,
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};
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/*
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* Camera support
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*/
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static phys_addr_t mx3_camera_base __initdata;
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#define MX35_3DS_CAMERA_BUF_SIZE SZ_8M
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static const struct mx3_camera_pdata mx35_3ds_camera_pdata __initconst = {
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.flags = MX3_CAMERA_DATAWIDTH_8,
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.mclk_10khz = 2000,
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};
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static int __init imx35_3ds_init_camera(void)
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{
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int dma, ret = -ENOMEM;
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struct platform_device *pdev =
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imx35_alloc_mx3_camera(&mx35_3ds_camera_pdata);
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if (IS_ERR(pdev))
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return PTR_ERR(pdev);
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if (!mx3_camera_base)
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goto err;
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dma = dma_declare_coherent_memory(&pdev->dev,
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mx3_camera_base, mx3_camera_base,
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MX35_3DS_CAMERA_BUF_SIZE,
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DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
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if (!(dma & DMA_MEMORY_MAP))
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goto err;
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ret = platform_device_add(pdev);
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if (ret)
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err:
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platform_device_put(pdev);
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return ret;
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}
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static struct i2c_board_info mx35_3ds_i2c_camera = {
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I2C_BOARD_INFO("ov2640", 0x30),
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};
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static struct soc_camera_link iclink_ov2640 = {
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.bus_id = 0,
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.board_info = &mx35_3ds_i2c_camera,
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.i2c_adapter_id = 0,
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.power = NULL,
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};
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static struct platform_device mx35_3ds_ov2640 = {
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.name = "soc-camera-pdrv",
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.id = 0,
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.dev = {
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.platform_data = &iclink_ov2640,
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},
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};
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static struct regulator_consumer_supply sw1_consumers[] = {
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{
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.supply = "cpu_vcc",
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}
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};
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static struct regulator_consumer_supply vcam_consumers[] = {
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/* sgtl5000 */
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REGULATOR_SUPPLY("VDDA", "0-000a"),
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};
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static struct regulator_consumer_supply vaudio_consumers[] = {
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REGULATOR_SUPPLY("cmos_vio", "soc-camera-pdrv.0"),
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};
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static struct regulator_init_data sw1_init = {
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.constraints = {
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.name = "SW1",
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.min_uV = 600000,
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.max_uV = 1375000,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
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.valid_modes_mask = 0,
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.always_on = 1,
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.boot_on = 1,
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},
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.num_consumer_supplies = ARRAY_SIZE(sw1_consumers),
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.consumer_supplies = sw1_consumers,
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};
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static struct regulator_init_data sw2_init = {
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.constraints = {
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.name = "SW2",
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.always_on = 1,
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.boot_on = 1,
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}
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};
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static struct regulator_init_data sw3_init = {
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.constraints = {
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.name = "SW3",
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.always_on = 1,
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.boot_on = 1,
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}
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};
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static struct regulator_init_data sw4_init = {
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.constraints = {
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.name = "SW4",
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.always_on = 1,
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.boot_on = 1,
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}
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};
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static struct regulator_init_data viohi_init = {
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.constraints = {
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.name = "VIOHI",
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.boot_on = 1,
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}
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};
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static struct regulator_init_data vusb_init = {
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.constraints = {
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.name = "VUSB",
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.boot_on = 1,
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}
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};
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static struct regulator_init_data vdig_init = {
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.constraints = {
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.name = "VDIG",
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.boot_on = 1,
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}
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};
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static struct regulator_init_data vpll_init = {
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.constraints = {
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.name = "VPLL",
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.boot_on = 1,
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}
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};
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static struct regulator_init_data vusb2_init = {
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.constraints = {
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.name = "VUSB2",
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.boot_on = 1,
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}
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};
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static struct regulator_init_data vvideo_init = {
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.constraints = {
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.name = "VVIDEO",
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.boot_on = 1
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}
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};
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static struct regulator_init_data vaudio_init = {
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.constraints = {
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.name = "VAUDIO",
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.min_uV = 2300000,
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.max_uV = 3000000,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
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.boot_on = 1
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},
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.num_consumer_supplies = ARRAY_SIZE(vaudio_consumers),
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.consumer_supplies = vaudio_consumers,
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};
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static struct regulator_init_data vcam_init = {
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.constraints = {
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.name = "VCAM",
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.min_uV = 2500000,
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.max_uV = 3000000,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
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REGULATOR_CHANGE_MODE,
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.valid_modes_mask = REGULATOR_MODE_FAST | REGULATOR_MODE_NORMAL,
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.boot_on = 1
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},
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.num_consumer_supplies = ARRAY_SIZE(vcam_consumers),
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.consumer_supplies = vcam_consumers,
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};
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static struct regulator_init_data vgen1_init = {
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.constraints = {
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.name = "VGEN1",
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}
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};
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static struct regulator_init_data vgen2_init = {
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.constraints = {
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.name = "VGEN2",
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.boot_on = 1,
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}
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};
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static struct regulator_init_data vgen3_init = {
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.constraints = {
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.name = "VGEN3",
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}
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};
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static struct mc13xxx_regulator_init_data mx35_3ds_regulators[] = {
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{ .id = MC13892_SW1, .init_data = &sw1_init },
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{ .id = MC13892_SW2, .init_data = &sw2_init },
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{ .id = MC13892_SW3, .init_data = &sw3_init },
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{ .id = MC13892_SW4, .init_data = &sw4_init },
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{ .id = MC13892_VIOHI, .init_data = &viohi_init },
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{ .id = MC13892_VPLL, .init_data = &vpll_init },
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{ .id = MC13892_VDIG, .init_data = &vdig_init },
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{ .id = MC13892_VUSB2, .init_data = &vusb2_init },
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{ .id = MC13892_VVIDEO, .init_data = &vvideo_init },
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{ .id = MC13892_VAUDIO, .init_data = &vaudio_init },
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{ .id = MC13892_VCAM, .init_data = &vcam_init },
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{ .id = MC13892_VGEN1, .init_data = &vgen1_init },
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{ .id = MC13892_VGEN2, .init_data = &vgen2_init },
|
|
{ .id = MC13892_VGEN3, .init_data = &vgen3_init },
|
|
{ .id = MC13892_VUSB, .init_data = &vusb_init },
|
|
};
|
|
|
|
static struct mc13xxx_platform_data mx35_3ds_mc13892_data = {
|
|
.flags = MC13XXX_USE_RTC | MC13XXX_USE_TOUCHSCREEN,
|
|
.regulators = {
|
|
.num_regulators = ARRAY_SIZE(mx35_3ds_regulators),
|
|
.regulators = mx35_3ds_regulators,
|
|
},
|
|
};
|
|
|
|
#define GPIO_PMIC_INT IMX_GPIO_NR(2, 0)
|
|
|
|
static struct i2c_board_info mx35_3ds_i2c_mc13892 = {
|
|
|
|
I2C_BOARD_INFO("mc13892", 0x08),
|
|
.platform_data = &mx35_3ds_mc13892_data,
|
|
/* irq number is run-time assigned */
|
|
};
|
|
|
|
static void __init imx35_3ds_init_mc13892(void)
|
|
{
|
|
int ret = gpio_request_one(GPIO_PMIC_INT, GPIOF_DIR_IN, "pmic irq");
|
|
|
|
if (ret) {
|
|
pr_err("failed to get pmic irq: %d\n", ret);
|
|
return;
|
|
}
|
|
|
|
mx35_3ds_i2c_mc13892.irq = gpio_to_irq(GPIO_PMIC_INT);
|
|
i2c_register_board_info(0, &mx35_3ds_i2c_mc13892, 1);
|
|
}
|
|
|
|
static int mx35_3ds_otg_init(struct platform_device *pdev)
|
|
{
|
|
return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY);
|
|
}
|
|
|
|
/* OTG config */
|
|
static const struct fsl_usb2_platform_data usb_otg_pdata __initconst = {
|
|
.operating_mode = FSL_USB2_DR_DEVICE,
|
|
.phy_mode = FSL_USB2_PHY_UTMI_WIDE,
|
|
.workaround = FLS_USB2_WORKAROUND_ENGCM09152,
|
|
/*
|
|
* ENGCM09152 also requires a hardware change.
|
|
* Please check the MX35 Chip Errata document for details.
|
|
*/
|
|
};
|
|
|
|
static struct mxc_usbh_platform_data otg_pdata __initdata = {
|
|
.init = mx35_3ds_otg_init,
|
|
.portsc = MXC_EHCI_MODE_UTMI,
|
|
};
|
|
|
|
static int mx35_3ds_usbh_init(struct platform_device *pdev)
|
|
{
|
|
return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI |
|
|
MXC_EHCI_INTERNAL_PHY);
|
|
}
|
|
|
|
/* USB HOST config */
|
|
static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {
|
|
.init = mx35_3ds_usbh_init,
|
|
.portsc = MXC_EHCI_MODE_SERIAL,
|
|
};
|
|
|
|
static bool otg_mode_host __initdata;
|
|
|
|
static int __init mx35_3ds_otg_mode(char *options)
|
|
{
|
|
if (!strcmp(options, "host"))
|
|
otg_mode_host = true;
|
|
else if (!strcmp(options, "device"))
|
|
otg_mode_host = false;
|
|
else
|
|
pr_info("otg_mode neither \"host\" nor \"device\". "
|
|
"Defaulting to device\n");
|
|
return 1;
|
|
}
|
|
__setup("otg_mode=", mx35_3ds_otg_mode);
|
|
|
|
static const struct imxi2c_platform_data mx35_3ds_i2c0_data __initconst = {
|
|
.bitrate = 100000,
|
|
};
|
|
|
|
/*
|
|
* Board specific initialization.
|
|
*/
|
|
static void __init mx35_3ds_init(void)
|
|
{
|
|
struct platform_device *imx35_fb_pdev;
|
|
|
|
imx35_soc_init();
|
|
|
|
mxc_iomux_v3_setup_multiple_pads(mx35pdk_pads, ARRAY_SIZE(mx35pdk_pads));
|
|
|
|
imx35_add_fec(NULL);
|
|
imx35_add_imx2_wdt();
|
|
imx35_add_mxc_rtc();
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
|
|
imx35_add_imx_uart0(&uart_pdata);
|
|
|
|
if (otg_mode_host)
|
|
imx35_add_mxc_ehci_otg(&otg_pdata);
|
|
|
|
imx35_add_mxc_ehci_hs(&usb_host_pdata);
|
|
|
|
if (!otg_mode_host)
|
|
imx35_add_fsl_usb2_udc(&usb_otg_pdata);
|
|
|
|
imx35_add_mxc_nand(&mx35pdk_nand_board_info);
|
|
imx35_add_sdhci_esdhc_imx(0, NULL);
|
|
|
|
if (mxc_expio_init(MX35_CS5_BASE_ADDR, IMX_GPIO_NR(1, 1)))
|
|
pr_warn("Init of the debugboard failed, all "
|
|
"devices on the debugboard are unusable.\n");
|
|
imx35_add_imx_i2c0(&mx35_3ds_i2c0_data);
|
|
|
|
i2c_register_board_info(
|
|
0, i2c_devices_3ds, ARRAY_SIZE(i2c_devices_3ds));
|
|
|
|
imx35_add_ipu_core();
|
|
platform_device_register(&mx35_3ds_ov2640);
|
|
imx35_3ds_init_camera();
|
|
|
|
imx35_fb_pdev = imx35_add_mx3_sdc_fb(&mx3fb_pdata);
|
|
mx35_3ds_lcd.dev.parent = &imx35_fb_pdev->dev;
|
|
platform_device_register(&mx35_3ds_lcd);
|
|
|
|
imx35_3ds_init_mc13892();
|
|
}
|
|
|
|
static void __init mx35pdk_timer_init(void)
|
|
{
|
|
mx35_clocks_init();
|
|
}
|
|
|
|
static void __init mx35_3ds_reserve(void)
|
|
{
|
|
/* reserve MX35_3DS_CAMERA_BUF_SIZE bytes for mx3-camera */
|
|
mx3_camera_base = arm_memblock_steal(MX35_3DS_CAMERA_BUF_SIZE,
|
|
MX35_3DS_CAMERA_BUF_SIZE);
|
|
}
|
|
|
|
MACHINE_START(MX35_3DS, "Freescale MX35PDK")
|
|
/* Maintainer: Freescale Semiconductor, Inc */
|
|
.atag_offset = 0x100,
|
|
.map_io = mx35_map_io,
|
|
.init_early = imx35_init_early,
|
|
.init_irq = mx35_init_irq,
|
|
.handle_irq = imx35_handle_irq,
|
|
.init_time = mx35pdk_timer_init,
|
|
.init_machine = mx35_3ds_init,
|
|
.reserve = mx35_3ds_reserve,
|
|
.restart = mxc_restart,
|
|
MACHINE_END
|