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Release 4.17 arch/arm/mach-imx/mach-mx27_3ds.c

/*
 * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
 *
 * Author: Fabio Estevam <fabio.estevam@freescale.com>
 *
 * 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.
 */

/*
 * This machine is known as:
 *  - i.MX27 3-Stack Development System
 *  - i.MX27 Platform Development Kit (i.MX27 PDK)
 */

#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/irq.h>
#include <linux/usb/otg.h>
#include <linux/usb/ulpi.h>
#include <linux/delay.h>
#include <linux/mfd/mc13783.h>
#include <linux/spi/spi.h>
#include <linux/regulator/machine.h>
#include <linux/spi/l4f00242t03.h>


#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>

#include "3ds_debugboard.h"
#include "common.h"
#include "devices-imx27.h"
#include "ehci.h"
#include "hardware.h"
#include "iomux-mx27.h"
#include "ulpi.h"


#define SD1_EN_GPIO		IMX_GPIO_NR(2, 25)

#define OTG_PHY_RESET_GPIO	IMX_GPIO_NR(2, 23)

#define SPI2_SS0		IMX_GPIO_NR(4, 21)

#define PMIC_INT		IMX_GPIO_NR(3, 14)

#define SPI1_SS0		IMX_GPIO_NR(4, 28)

#define SD1_CD			IMX_GPIO_NR(2, 26)

#define LCD_RESET		IMX_GPIO_NR(1, 3)

#define LCD_ENABLE		IMX_GPIO_NR(1, 31)


static const int mx27pdk_pins[] __initconst = {
	/* UART1 */
	PE12_PF_UART1_TXD,
	PE13_PF_UART1_RXD,
	PE14_PF_UART1_CTS,
	PE15_PF_UART1_RTS,
	/* FEC */
	PD0_AIN_FEC_TXD0,
	PD1_AIN_FEC_TXD1,
	PD2_AIN_FEC_TXD2,
	PD3_AIN_FEC_TXD3,
	PD4_AOUT_FEC_RX_ER,
	PD5_AOUT_FEC_RXD1,
	PD6_AOUT_FEC_RXD2,
	PD7_AOUT_FEC_RXD3,
	PD8_AF_FEC_MDIO,
	PD9_AIN_FEC_MDC,
	PD10_AOUT_FEC_CRS,
	PD11_AOUT_FEC_TX_CLK,
	PD12_AOUT_FEC_RXD0,
	PD13_AOUT_FEC_RX_DV,
	PD14_AOUT_FEC_RX_CLK,
	PD15_AOUT_FEC_COL,
	PD16_AIN_FEC_TX_ER,
	PF23_AIN_FEC_TX_EN,
	/* SDHC1 */
	PE18_PF_SD1_D0,
	PE19_PF_SD1_D1,
	PE20_PF_SD1_D2,
	PE21_PF_SD1_D3,
	PE22_PF_SD1_CMD,
	PE23_PF_SD1_CLK,
	SD1_EN_GPIO | GPIO_GPIO | GPIO_OUT,
	/* OTG */
	OTG_PHY_RESET_GPIO | GPIO_GPIO | GPIO_OUT,
	PC7_PF_USBOTG_DATA5,
	PC8_PF_USBOTG_DATA6,
	PC9_PF_USBOTG_DATA0,
	PC10_PF_USBOTG_DATA2,
	PC11_PF_USBOTG_DATA1,
	PC12_PF_USBOTG_DATA4,
	PC13_PF_USBOTG_DATA3,
	PE0_PF_USBOTG_NXT,
	PE1_PF_USBOTG_STP,
	PE2_PF_USBOTG_DIR,
	PE24_PF_USBOTG_CLK,
	PE25_PF_USBOTG_DATA7,
	/* CSPI1 */
	PD31_PF_CSPI1_MOSI,
	PD30_PF_CSPI1_MISO,
	PD29_PF_CSPI1_SCLK,
	PD25_PF_CSPI1_RDY,
	SPI1_SS0 | GPIO_GPIO | GPIO_OUT,
	/* CSPI2 */
	PD22_PF_CSPI2_SCLK,
	PD23_PF_CSPI2_MISO,
	PD24_PF_CSPI2_MOSI,
	SPI2_SS0 | GPIO_GPIO | GPIO_OUT,
	/* I2C1 */
	PD17_PF_I2C_DATA,
	PD18_PF_I2C_CLK,
	/* PMIC INT */
	PMIC_INT | GPIO_GPIO | GPIO_IN,
	/* LCD */
	PA5_PF_LSCLK,
	PA6_PF_LD0,
	PA7_PF_LD1,
	PA8_PF_LD2,
	PA9_PF_LD3,
	PA10_PF_LD4,
	PA11_PF_LD5,
	PA12_PF_LD6,
	PA13_PF_LD7,
	PA14_PF_LD8,
	PA15_PF_LD9,
	PA16_PF_LD10,
	PA17_PF_LD11,
	PA18_PF_LD12,
	PA19_PF_LD13,
	PA20_PF_LD14,
	PA21_PF_LD15,
	PA22_PF_LD16,
	PA23_PF_LD17,
	PA28_PF_HSYNC,
	PA29_PF_VSYNC,
	PA30_PF_CONTRAST,
	LCD_ENABLE | GPIO_GPIO | GPIO_OUT,
	LCD_RESET | GPIO_GPIO | GPIO_OUT,
	/* SSI4 */
	PC16_PF_SSI4_FS,
	PC17_PF_SSI4_RXD,
	PC18_PF_SSI4_TXD,
	PC19_PF_SSI4_CLK,
};


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

/*
 * Matrix keyboard
 */


static const uint32_t mx27_3ds_keymap[] = {
	KEY(0, 0, KEY_UP),
	KEY(0, 1, KEY_DOWN),
	KEY(1, 0, KEY_RIGHT),
	KEY(1, 1, KEY_LEFT),
	KEY(1, 2, KEY_ENTER),
	KEY(2, 0, KEY_F6),
	KEY(2, 1, KEY_F8),
	KEY(2, 2, KEY_F9),
	KEY(2, 3, KEY_F10),
};


static const struct matrix_keymap_data mx27_3ds_keymap_data __initconst = {
	.keymap		= mx27_3ds_keymap,
	.keymap_size	= ARRAY_SIZE(mx27_3ds_keymap),
};


static int mx27_3ds_sdhc1_init(struct device *dev, irq_handler_t detect_irq, void *data) { return request_irq(gpio_to_irq(SD1_CD), detect_irq, IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, "sdhc1-card-detect", data); }

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Rogerio Pimentel3594.59%150.00%
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Total37100.00%2100.00%


static void mx27_3ds_sdhc1_exit(struct device *dev, void *data) { free_irq(gpio_to_irq(SD1_CD), data); }

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Rogerio Pimentel2392.00%150.00%
Fabio Estevam28.00%150.00%
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static const struct imxmmc_platform_data sdhc1_pdata __initconst = { .init = mx27_3ds_sdhc1_init, .exit = mx27_3ds_sdhc1_exit, };
static void mx27_3ds_sdhc1_enable_level_translator(void) { /* Turn on TXB0108 OE pin */ gpio_request(SD1_EN_GPIO, "sd1_enable"); gpio_direction_output(SD1_EN_GPIO, 1); }

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static int otg_phy_init(void) { gpio_request(OTG_PHY_RESET_GPIO, "usb-otg-reset"); gpio_direction_output(OTG_PHY_RESET_GPIO, 0); mdelay(1); gpio_set_value(OTG_PHY_RESET_GPIO, 1); return 0; }

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static int mx27_3ds_otg_init(struct platform_device *pdev) { return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI); }

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static struct mxc_usbh_platform_data otg_pdata __initdata = { .init = mx27_3ds_otg_init, .portsc = MXC_EHCI_MODE_ULPI, }; static const struct fsl_usb2_platform_data otg_device_pdata __initconst = { .operating_mode = FSL_USB2_DR_DEVICE, .phy_mode = FSL_USB2_PHY_ULPI, }; static bool otg_mode_host __initdata;
static int __init mx27_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; }

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Fabio Estevam4794.00%150.00%
Benoît Thébaudeau36.00%150.00%
Total50100.00%2100.00%

__setup("otg_mode=", mx27_3ds_otg_mode); /* Regulators */ static struct regulator_init_data gpo_init = { .constraints = { .boot_on = 1, .always_on = 1, } }; static struct regulator_consumer_supply vmmc1_consumers[] = { REGULATOR_SUPPLY("vcore", "spi0.0"), }; static struct regulator_init_data vmmc1_init = { .constraints = { .min_uV = 2800000, .max_uV = 2800000, .apply_uV = 1, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers), .consumer_supplies = vmmc1_consumers, }; static struct regulator_consumer_supply vgen_consumers[] = { REGULATOR_SUPPLY("vdd", "spi0.0"), }; static struct regulator_init_data vgen_init = { .constraints = { .min_uV = 1800000, .max_uV = 1800000, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, }, .num_consumer_supplies = ARRAY_SIZE(vgen_consumers), .consumer_supplies = vgen_consumers, }; static struct mc13xxx_regulator_init_data mx27_3ds_regulators[] = { { .id = MC13783_REG_VMMC1, .init_data = &vmmc1_init, }, { .id = MC13783_REG_VGEN, .init_data = &vgen_init, }, { .id = MC13783_REG_GPO1, /* Turn on 1.8V */ .init_data = &gpo_init, }, { .id = MC13783_REG_GPO3, /* Turn on 3.3V */ .init_data = &gpo_init, }, }; /* MC13783 */ static struct mc13xxx_codec_platform_data mx27_3ds_codec = { .dac_ssi_port = MC13783_SSI1_PORT, .adc_ssi_port = MC13783_SSI1_PORT, }; static struct mc13xxx_platform_data mc13783_pdata = { .regulators = { .regulators = mx27_3ds_regulators, .num_regulators = ARRAY_SIZE(mx27_3ds_regulators), }, .flags = MC13XXX_USE_TOUCHSCREEN | MC13XXX_USE_RTC | MC13XXX_USE_CODEC, .codec = &mx27_3ds_codec, }; static struct imx_ssi_platform_data mx27_3ds_ssi_pdata = { .flags = IMX_SSI_DMA | IMX_SSI_NET, }; /* SPI */ static int spi1_chipselect[] = {SPI1_SS0}; static const struct spi_imx_master spi1_pdata __initconst = { .chipselect = spi1_chipselect, .num_chipselect = ARRAY_SIZE(spi1_chipselect), }; static int spi2_chipselect[] = {SPI2_SS0}; static const struct spi_imx_master spi2_pdata __initconst = { .chipselect = spi2_chipselect, .num_chipselect = ARRAY_SIZE(spi2_chipselect), }; static struct imx_fb_videomode mx27_3ds_modes[] = { { /* 480x640 @ 60 Hz */ .mode = { .name = "Epson-VGA", .refresh = 60, .xres = 480, .yres = 640, .pixclock = 41701, .left_margin = 20, .right_margin = 41, .upper_margin = 10, .lower_margin = 5, .hsync_len = 20, .vsync_len = 10, .sync = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT, .vmode = FB_VMODE_NONINTERLACED, .flag = 0, }, .bpp = 16, .pcr = 0xFAC08B82, }, }; static const struct imx_fb_platform_data mx27_3ds_fb_data __initconst = { .mode = mx27_3ds_modes, .num_modes = ARRAY_SIZE(mx27_3ds_modes), .pwmr = 0x00A903FF, .lscr1 = 0x00120300, .dmacr = 0x00020010, }; /* LCD */ static struct l4f00242t03_pdata mx27_3ds_lcd_pdata = { .reset_gpio = LCD_RESET, .data_enable_gpio = LCD_ENABLE, }; static struct spi_board_info mx27_3ds_spi_devs[] __initdata = { { .modalias = "mc13783", .max_speed_hz = 1000000, .bus_num = 1, .chip_select = 0, /* SS0 */ .platform_data = &mc13783_pdata, /* irq number is run-time assigned */ .mode = SPI_CS_HIGH, }, { .modalias = "l4f00242t03", .max_speed_hz = 5000000, .bus_num = 0, .chip_select = 0, /* SS0 */ .platform_data = &mx27_3ds_lcd_pdata, }, }; static const struct imxi2c_platform_data mx27_3ds_i2c0_data __initconst = { .bitrate = 100000, };
static void __init mx27pdk_init(void) { imx27_soc_init(); mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins), "mx27pdk"); imx27_add_imx_uart0(&uart_pdata); imx27_add_fec(NULL); imx27_add_imx_keypad(&mx27_3ds_keymap_data); imx27_add_imx2_wdt(); imx27_add_spi_imx1(&spi2_pdata); imx27_add_spi_imx0(&spi1_pdata); imx27_add_imx_i2c(0, &mx27_3ds_i2c0_data); imx27_add_imx_fb(&mx27_3ds_fb_data); imx27_add_imx_ssi(0, &mx27_3ds_ssi_pdata); }

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Vladimir Zapolskiy3241.03%111.11%
Fabio Estevam2835.90%111.11%
Rogerio Pimentel1012.82%222.22%
Uwe Kleine-König56.41%444.44%
Shawn Guo33.85%111.11%
Total78100.00%9100.00%


static void __init mx27pdk_late_init(void) { mx27_3ds_sdhc1_enable_level_translator(); imx27_add_mxc_mmc(0, &sdhc1_pdata); otg_phy_init(); if (otg_mode_host) { otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); if (otg_pdata.otg) imx27_add_mxc_ehci_otg(&otg_pdata); } if (!otg_mode_host) imx27_add_fsl_usb2_udc(&otg_device_pdata); mx27_3ds_spi_devs[0].irq = gpio_to_irq(PMIC_INT); spi_register_board_info(mx27_3ds_spi_devs, ARRAY_SIZE(mx27_3ds_spi_devs)); if (mxc_expio_init(MX27_CS5_BASE_ADDR, IMX_GPIO_NR(3, 28))) pr_warn("Init of the debugboard failed, all devices on the debugboard are unusable.\n"); imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0); }

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Fabio Estevam7663.87%654.55%
Shawn Guo1815.13%218.18%
Vladimir Zapolskiy1714.29%19.09%
Sascha Hauer75.88%19.09%
Benoît Thébaudeau10.84%19.09%
Total119100.00%11100.00%


static void __init mx27pdk_timer_init(void) { mx27_clocks_init(26000000); }

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Fabio Estevam14100.00%1100.00%
Total14100.00%1100.00%

MACHINE_START(MX27_3DS, "Freescale MX27PDK") /* maintainer: Freescale Semiconductor, Inc. */ .atag_offset = 0x100, .map_io = mx27_map_io, .init_early = imx27_init_early, .init_irq = mx27_init_irq, .init_time = mx27pdk_timer_init, .init_machine = mx27pdk_init, .init_late = mx27pdk_late_init, .restart = mxc_restart, MACHINE_END

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PersonTokensPropCommitsCommitProp
Fabio Estevam111472.91%1431.82%
Rogerio Pimentel24315.90%24.55%
Vladimir Zapolskiy543.53%12.27%
Sascha Hauer342.23%36.82%
Shawn Guo312.03%613.64%
Uwe Kleine-König261.70%920.45%
Benoît Thébaudeau60.39%24.55%
Andres Salomon50.33%12.27%
Russell King50.33%12.27%
Mark Brown40.26%12.27%
Stephen Warren20.13%12.27%
David Jander20.13%12.27%
Simon Polette10.07%12.27%
Nico Pitre10.07%12.27%
Total1528100.00%44100.00%
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