arch/arm/mach-imx/mach-mx25_3ds.c - third_party/linux - Git at Google

 /*
  * Copyright 2009 Sascha Hauer, <kernel@pengutronix.de>
  *
  * 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.
  */

 /*
  * This machine is known as:
  *  - i.MX25 3-Stack Development System
  *  - i.MX25 Platform Development Kit (i.MX25 PDK)
  */

 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/clk.h>
 #include <linux/irq.h>
 #include <linux/gpio.h>
 #include <linux/platform_device.h>
 #include <linux/usb/otg.h>

 #include <mach/hardware.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/time.h>
 #include <asm/memory.h>
 #include <asm/mach/map.h>
 #include <mach/common.h>
 #include <mach/mx25.h>
 #include <mach/iomux-mx25.h>

 #include "devices-imx25.h"

 #define MX25PDK_CAN_PWDN	IMX_GPIO_NR(4, 6)

 static const struct imxuart_platform_data uart_pdata __initconst = {
 	.flags = IMXUART_HAVE_RTSCTS,
 };

 static iomux_v3_cfg_t mx25pdk_pads[] = {
 	MX25_PAD_FEC_MDC__FEC_MDC,
 	MX25_PAD_FEC_MDIO__FEC_MDIO,
 	MX25_PAD_FEC_TDATA0__FEC_TDATA0,
 	MX25_PAD_FEC_TDATA1__FEC_TDATA1,
 	MX25_PAD_FEC_TX_EN__FEC_TX_EN,
 	MX25_PAD_FEC_RDATA0__FEC_RDATA0,
 	MX25_PAD_FEC_RDATA1__FEC_RDATA1,
 	MX25_PAD_FEC_RX_DV__FEC_RX_DV,
 	MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
 	MX25_PAD_A17__GPIO_2_3, /* FEC_EN, GPIO 35 */
 	MX25_PAD_D12__GPIO_4_8, /* FEC_RESET_B, GPIO 104 */

 	/* LCD */
 	MX25_PAD_LD0__LD0,
 	MX25_PAD_LD1__LD1,
 	MX25_PAD_LD2__LD2,
 	MX25_PAD_LD3__LD3,
 	MX25_PAD_LD4__LD4,
 	MX25_PAD_LD5__LD5,
 	MX25_PAD_LD6__LD6,
 	MX25_PAD_LD7__LD7,
 	MX25_PAD_LD8__LD8,
 	MX25_PAD_LD9__LD9,
 	MX25_PAD_LD10__LD10,
 	MX25_PAD_LD11__LD11,
 	MX25_PAD_LD12__LD12,
 	MX25_PAD_LD13__LD13,
 	MX25_PAD_LD14__LD14,
 	MX25_PAD_LD15__LD15,
 	MX25_PAD_GPIO_E__LD16,
 	MX25_PAD_GPIO_F__LD17,
 	MX25_PAD_HSYNC__HSYNC,
 	MX25_PAD_VSYNC__VSYNC,
 	MX25_PAD_LSCLK__LSCLK,
 	MX25_PAD_OE_ACD__OE_ACD,
 	MX25_PAD_CONTRAST__CONTRAST,

 	/* Keypad */
 	MX25_PAD_KPP_ROW0__KPP_ROW0,
 	MX25_PAD_KPP_ROW1__KPP_ROW1,
 	MX25_PAD_KPP_ROW2__KPP_ROW2,
 	MX25_PAD_KPP_ROW3__KPP_ROW3,
 	MX25_PAD_KPP_COL0__KPP_COL0,
 	MX25_PAD_KPP_COL1__KPP_COL1,
 	MX25_PAD_KPP_COL2__KPP_COL2,
 	MX25_PAD_KPP_COL3__KPP_COL3,

 	/* SD1 */
 	MX25_PAD_SD1_CMD__SD1_CMD,
 	MX25_PAD_SD1_CLK__SD1_CLK,
 	MX25_PAD_SD1_DATA0__SD1_DATA0,
 	MX25_PAD_SD1_DATA1__SD1_DATA1,
 	MX25_PAD_SD1_DATA2__SD1_DATA2,
 	MX25_PAD_SD1_DATA3__SD1_DATA3,
 	MX25_PAD_A14__GPIO_2_0, /* WriteProtect */
 	MX25_PAD_A15__GPIO_2_1, /* CardDetect */

 	/* I2C1 */
 	MX25_PAD_I2C1_CLK__I2C1_CLK,
 	MX25_PAD_I2C1_DAT__I2C1_DAT,

 	/* CAN1 */
 	MX25_PAD_GPIO_A__CAN1_TX,
 	MX25_PAD_GPIO_B__CAN1_RX,
 	MX25_PAD_D14__GPIO_4_6,	/* CAN_PWDN */
 };

 static const struct fec_platform_data mx25_fec_pdata __initconst = {
 	.phy    = PHY_INTERFACE_MODE_RMII,
 };

 #define FEC_ENABLE_GPIO		IMX_GPIO_NR(2, 3)
 #define FEC_RESET_B_GPIO	IMX_GPIO_NR(4, 8)

 static void __init mx25pdk_fec_reset(void)
 {
 	gpio_request(FEC_ENABLE_GPIO, "FEC PHY enable");
 	gpio_request(FEC_RESET_B_GPIO, "FEC PHY reset");

 	gpio_direction_output(FEC_ENABLE_GPIO, 0);  /* drop PHY power */
 	gpio_direction_output(FEC_RESET_B_GPIO, 0); /* assert reset */
 	udelay(2);

 	/* turn on PHY power and lift reset */
 	gpio_set_value(FEC_ENABLE_GPIO, 1);
 	gpio_set_value(FEC_RESET_B_GPIO, 1);
 }

 static const struct mxc_nand_platform_data
 mx25pdk_nand_board_info __initconst = {
 	.width		= 1,
 	.hw_ecc		= 1,
 	.flash_bbt	= 1,
 };

 static struct imx_fb_videomode mx25pdk_modes[] = {
 	{
 		.mode	= {
 			.name		= "CRT-VGA",
 			.refresh	= 60,
 			.xres		= 640,
 			.yres		= 480,
 			.pixclock	= 39683,
 			.left_margin	= 45,
 			.right_margin	= 114,
 			.upper_margin	= 33,
 			.lower_margin	= 11,
 			.hsync_len	= 1,
 			.vsync_len	= 1,
 		},
 		.bpp	= 16,
 		.pcr	= 0xFA208B80,
 	},
 };

 static const struct imx_fb_platform_data mx25pdk_fb_pdata __initconst = {
 	.mode		= mx25pdk_modes,
 	.num_modes	= ARRAY_SIZE(mx25pdk_modes),
 	.pwmr		= 0x00A903FF,
 	.lscr1		= 0x00120300,
 	.dmacr		= 0x00020010,
 };

 static const uint32_t mx25pdk_keymap[] = {
 	KEY(0, 0, KEY_UP),
 	KEY(0, 1, KEY_DOWN),
 	KEY(0, 2, KEY_VOLUMEDOWN),
 	KEY(0, 3, KEY_HOME),
 	KEY(1, 0, KEY_RIGHT),
 	KEY(1, 1, KEY_LEFT),
 	KEY(1, 2, KEY_ENTER),
 	KEY(1, 3, KEY_VOLUMEUP),
 	KEY(2, 0, KEY_F6),
 	KEY(2, 1, KEY_F8),
 	KEY(2, 2, KEY_F9),
 	KEY(2, 3, KEY_F10),
 	KEY(3, 0, KEY_F1),
 	KEY(3, 1, KEY_F2),
 	KEY(3, 2, KEY_F3),
 	KEY(3, 3, KEY_POWER),
 };

 static const struct matrix_keymap_data mx25pdk_keymap_data __initconst = {
 	.keymap		= mx25pdk_keymap,
 	.keymap_size	= ARRAY_SIZE(mx25pdk_keymap),
 };

 static int mx25pdk_usbh2_init(struct platform_device *pdev)
 {
 	return mx25_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY);
 }

 static const struct mxc_usbh_platform_data usbh2_pdata __initconst = {
 	.init	= mx25pdk_usbh2_init,
 	.portsc	= MXC_EHCI_MODE_SERIAL,
 };

 static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
 	.operating_mode = FSL_USB2_DR_DEVICE,
 	.phy_mode       = FSL_USB2_PHY_UTMI,
 };

 static const struct imxi2c_platform_data mx25_3ds_i2c0_data __initconst = {
 	.bitrate = 100000,
 };

 #define SD1_GPIO_WP	IMX_GPIO_NR(2, 0)
 #define SD1_GPIO_CD	IMX_GPIO_NR(2, 1)

 static const struct esdhc_platform_data mx25pdk_esdhc_pdata __initconst = {
 	.wp_gpio = SD1_GPIO_WP,
 	.cd_gpio = SD1_GPIO_CD,
 	.wp_type = ESDHC_WP_GPIO,
 	.cd_type = ESDHC_CD_GPIO,
 };

 static void __init mx25pdk_init(void)
 {
 	imx25_soc_init();

 	mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads,
 			ARRAY_SIZE(mx25pdk_pads));

 	imx25_add_imx_uart0(&uart_pdata);
 	imx25_add_fsl_usb2_udc(&otg_device_pdata);
 	imx25_add_mxc_ehci_hs(&usbh2_pdata);
 	imx25_add_mxc_nand(&mx25pdk_nand_board_info);
 	imx25_add_imxdi_rtc();
 	imx25_add_imx_fb(&mx25pdk_fb_pdata);
 	imx25_add_imx2_wdt();

 	mx25pdk_fec_reset();
 	imx25_add_fec(&mx25_fec_pdata);
 	imx25_add_imx_keypad(&mx25pdk_keymap_data);

 	imx25_add_sdhci_esdhc_imx(0, &mx25pdk_esdhc_pdata);
 	imx25_add_imx_i2c0(&mx25_3ds_i2c0_data);

 	gpio_request_one(MX25PDK_CAN_PWDN, GPIOF_OUT_INIT_LOW, "can-pwdn");
 	imx25_add_flexcan0(NULL);
 }

 static void __init mx25pdk_timer_init(void)
 {
 	mx25_clocks_init();
 }

 static struct sys_timer mx25pdk_timer = {
 	.init   = mx25pdk_timer_init,
 };

 MACHINE_START(MX25_3DS, "Freescale MX25PDK (3DS)")
 	/* Maintainer: Freescale Semiconductor, Inc. */
 	.atag_offset = 0x100,
 	.map_io = mx25_map_io,
 	.init_early = imx25_init_early,
 	.init_irq = mx25_init_irq,
 	.handle_irq = imx25_handle_irq,
 	.timer = &mx25pdk_timer,
 	.init_machine = mx25pdk_init,
 	.restart	= mxc_restart,
 MACHINE_END
	/*
	* Copyright 2009 Sascha Hauer, <kernel@pengutronix.de>
	*
	* 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.
	*/

	/*
	* This machine is known as:
	* - i.MX25 3-Stack Development System
	* - i.MX25 Platform Development Kit (i.MX25 PDK)
	*/

	#include <linux/types.h>
	#include <linux/init.h>
	#include <linux/delay.h>
	#include <linux/clk.h>
	#include <linux/irq.h>
	#include <linux/gpio.h>
	#include <linux/platform_device.h>
	#include <linux/usb/otg.h>

	#include <mach/hardware.h>
	#include <asm/mach-types.h>
	#include <asm/mach/arch.h>
	#include <asm/mach/time.h>
	#include <asm/memory.h>
	#include <asm/mach/map.h>
	#include <mach/common.h>
	#include <mach/mx25.h>
	#include <mach/iomux-mx25.h>

	#include "devices-imx25.h"

	#define MX25PDK_CAN_PWDN IMX_GPIO_NR(4, 6)

	static const struct imxuart_platform_data uart_pdata __initconst = {
	.flags = IMXUART_HAVE_RTSCTS,
	};

	static iomux_v3_cfg_t mx25pdk_pads[] = {
	MX25_PAD_FEC_MDC__FEC_MDC,
	MX25_PAD_FEC_MDIO__FEC_MDIO,
	MX25_PAD_FEC_TDATA0__FEC_TDATA0,
	MX25_PAD_FEC_TDATA1__FEC_TDATA1,
	MX25_PAD_FEC_TX_EN__FEC_TX_EN,
	MX25_PAD_FEC_RDATA0__FEC_RDATA0,
	MX25_PAD_FEC_RDATA1__FEC_RDATA1,
	MX25_PAD_FEC_RX_DV__FEC_RX_DV,
	MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
	MX25_PAD_A17__GPIO_2_3, /* FEC_EN, GPIO 35 */
	MX25_PAD_D12__GPIO_4_8, /* FEC_RESET_B, GPIO 104 */

	/* LCD */
	MX25_PAD_LD0__LD0,
	MX25_PAD_LD1__LD1,
	MX25_PAD_LD2__LD2,
	MX25_PAD_LD3__LD3,
	MX25_PAD_LD4__LD4,
	MX25_PAD_LD5__LD5,
	MX25_PAD_LD6__LD6,
	MX25_PAD_LD7__LD7,
	MX25_PAD_LD8__LD8,
	MX25_PAD_LD9__LD9,
	MX25_PAD_LD10__LD10,
	MX25_PAD_LD11__LD11,
	MX25_PAD_LD12__LD12,
	MX25_PAD_LD13__LD13,
	MX25_PAD_LD14__LD14,
	MX25_PAD_LD15__LD15,
	MX25_PAD_GPIO_E__LD16,
	MX25_PAD_GPIO_F__LD17,
	MX25_PAD_HSYNC__HSYNC,
	MX25_PAD_VSYNC__VSYNC,
	MX25_PAD_LSCLK__LSCLK,
	MX25_PAD_OE_ACD__OE_ACD,
	MX25_PAD_CONTRAST__CONTRAST,

	/* Keypad */
	MX25_PAD_KPP_ROW0__KPP_ROW0,
	MX25_PAD_KPP_ROW1__KPP_ROW1,
	MX25_PAD_KPP_ROW2__KPP_ROW2,
	MX25_PAD_KPP_ROW3__KPP_ROW3,
	MX25_PAD_KPP_COL0__KPP_COL0,
	MX25_PAD_KPP_COL1__KPP_COL1,
	MX25_PAD_KPP_COL2__KPP_COL2,
	MX25_PAD_KPP_COL3__KPP_COL3,

	/* SD1 */
	MX25_PAD_SD1_CMD__SD1_CMD,
	MX25_PAD_SD1_CLK__SD1_CLK,
	MX25_PAD_SD1_DATA0__SD1_DATA0,
	MX25_PAD_SD1_DATA1__SD1_DATA1,
	MX25_PAD_SD1_DATA2__SD1_DATA2,
	MX25_PAD_SD1_DATA3__SD1_DATA3,
	MX25_PAD_A14__GPIO_2_0, /* WriteProtect */
	MX25_PAD_A15__GPIO_2_1, /* CardDetect */

	/* I2C1 */
	MX25_PAD_I2C1_CLK__I2C1_CLK,
	MX25_PAD_I2C1_DAT__I2C1_DAT,

	/* CAN1 */
	MX25_PAD_GPIO_A__CAN1_TX,
	MX25_PAD_GPIO_B__CAN1_RX,
	MX25_PAD_D14__GPIO_4_6, /* CAN_PWDN */
	};

	static const struct fec_platform_data mx25_fec_pdata __initconst = {
	.phy = PHY_INTERFACE_MODE_RMII,
	};

	#define FEC_ENABLE_GPIO IMX_GPIO_NR(2, 3)
	#define FEC_RESET_B_GPIO IMX_GPIO_NR(4, 8)

	static void __init mx25pdk_fec_reset(void)
	{
	gpio_request(FEC_ENABLE_GPIO, "FEC PHY enable");
	gpio_request(FEC_RESET_B_GPIO, "FEC PHY reset");

	gpio_direction_output(FEC_ENABLE_GPIO, 0); /* drop PHY power */
	gpio_direction_output(FEC_RESET_B_GPIO, 0); /* assert reset */
	udelay(2);

	/* turn on PHY power and lift reset */
	gpio_set_value(FEC_ENABLE_GPIO, 1);
	gpio_set_value(FEC_RESET_B_GPIO, 1);
	}

	static const struct mxc_nand_platform_data
	mx25pdk_nand_board_info __initconst = {
	.width = 1,
	.hw_ecc = 1,
	.flash_bbt = 1,
	};

	static struct imx_fb_videomode mx25pdk_modes[] = {
	{
	.mode = {
	.name = "CRT-VGA",
	.refresh = 60,
	.xres = 640,
	.yres = 480,
	.pixclock = 39683,
	.left_margin = 45,
	.right_margin = 114,
	.upper_margin = 33,
	.lower_margin = 11,
	.hsync_len = 1,
	.vsync_len = 1,
	},
	.bpp = 16,
	.pcr = 0xFA208B80,
	},
	};

	static const struct imx_fb_platform_data mx25pdk_fb_pdata __initconst = {
	.mode = mx25pdk_modes,
	.num_modes = ARRAY_SIZE(mx25pdk_modes),
	.pwmr = 0x00A903FF,
	.lscr1 = 0x00120300,
	.dmacr = 0x00020010,
	};

	static const uint32_t mx25pdk_keymap[] = {
	KEY(0, 0, KEY_UP),
	KEY(0, 1, KEY_DOWN),
	KEY(0, 2, KEY_VOLUMEDOWN),
	KEY(0, 3, KEY_HOME),
	KEY(1, 0, KEY_RIGHT),
	KEY(1, 1, KEY_LEFT),
	KEY(1, 2, KEY_ENTER),
	KEY(1, 3, KEY_VOLUMEUP),
	KEY(2, 0, KEY_F6),
	KEY(2, 1, KEY_F8),
	KEY(2, 2, KEY_F9),
	KEY(2, 3, KEY_F10),
	KEY(3, 0, KEY_F1),
	KEY(3, 1, KEY_F2),
	KEY(3, 2, KEY_F3),
	KEY(3, 3, KEY_POWER),
	};

	static const struct matrix_keymap_data mx25pdk_keymap_data __initconst = {
	.keymap = mx25pdk_keymap,
	.keymap_size = ARRAY_SIZE(mx25pdk_keymap),
	};

	static int mx25pdk_usbh2_init(struct platform_device *pdev)
	{
	return mx25_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY);
	}

	static const struct mxc_usbh_platform_data usbh2_pdata __initconst = {
	.init = mx25pdk_usbh2_init,
	.portsc = MXC_EHCI_MODE_SERIAL,
	};

	static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
	.operating_mode = FSL_USB2_DR_DEVICE,
	.phy_mode = FSL_USB2_PHY_UTMI,
	};

	static const struct imxi2c_platform_data mx25_3ds_i2c0_data __initconst = {
	.bitrate = 100000,
	};

	#define SD1_GPIO_WP IMX_GPIO_NR(2, 0)
	#define SD1_GPIO_CD IMX_GPIO_NR(2, 1)

	static const struct esdhc_platform_data mx25pdk_esdhc_pdata __initconst = {
	.wp_gpio = SD1_GPIO_WP,
	.cd_gpio = SD1_GPIO_CD,
	.wp_type = ESDHC_WP_GPIO,
	.cd_type = ESDHC_CD_GPIO,
	};

	static void __init mx25pdk_init(void)
	{
	imx25_soc_init();

	mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads,
	ARRAY_SIZE(mx25pdk_pads));

	imx25_add_imx_uart0(&uart_pdata);
	imx25_add_fsl_usb2_udc(&otg_device_pdata);
	imx25_add_mxc_ehci_hs(&usbh2_pdata);
	imx25_add_mxc_nand(&mx25pdk_nand_board_info);
	imx25_add_imxdi_rtc();
	imx25_add_imx_fb(&mx25pdk_fb_pdata);
	imx25_add_imx2_wdt();

	mx25pdk_fec_reset();
	imx25_add_fec(&mx25_fec_pdata);
	imx25_add_imx_keypad(&mx25pdk_keymap_data);

	imx25_add_sdhci_esdhc_imx(0, &mx25pdk_esdhc_pdata);
	imx25_add_imx_i2c0(&mx25_3ds_i2c0_data);

	gpio_request_one(MX25PDK_CAN_PWDN, GPIOF_OUT_INIT_LOW, "can-pwdn");
	imx25_add_flexcan0(NULL);
	}

	static void __init mx25pdk_timer_init(void)
	{
	mx25_clocks_init();
	}

	static struct sys_timer mx25pdk_timer = {
	.init = mx25pdk_timer_init,
	};

	MACHINE_START(MX25_3DS, "Freescale MX25PDK (3DS)")
	/* Maintainer: Freescale Semiconductor, Inc. */
	.atag_offset = 0x100,
	.map_io = mx25_map_io,
	.init_early = imx25_init_early,
	.init_irq = mx25_init_irq,
	.handle_irq = imx25_handle_irq,
	.timer = &mx25pdk_timer,
	.init_machine = mx25pdk_init,
	.restart = mxc_restart,
	MACHINE_END