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Commit e6b78c4f authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Ralf Baechle
Browse files

MIPS: JZ4740: Add qi_lb60 board support 



Add support for the qi_lb60 (a.k.a QI Ben NanoNote) clamshell device.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/1472/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent f6a21388

arch/mips/jz4740/Kconfig

+4 −0
Original line number Diff line number Diff line 
choice

	prompt "Machine type"

	depends on MACH_JZ4740

	default JZ4740_QI_LB60



config JZ4740_QI_LB60

	bool "Qi Hardware Ben NanoNote"



endchoice

arch/mips/jz4740/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -11,6 +11,8 @@ obj-$(CONFIG_DEBUG_FS) += clock-debugfs.o 


# board specific support



obj-$(CONFIG_JZ4740_QI_LB60)	+= board-qi_lb60.o



# PM support



obj-$(CONFIG_PM) += pm.o

arch/mips/jz4740/board-qi_lb60.c

0 → 100644
+471 −0
Original line number Diff line number Diff line 
/*

 * linux/arch/mips/jz4740/board-qi_lb60.c

 *

 * QI_LB60 board support

 *

 * Copyright (c) 2009 Qi Hardware inc.,

 * Author: Xiangfu Liu <xiangfu@qi-hardware.com>

 * Copyright 2010, Lars-Petrer Clausen <lars@metafoo.de>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 or later

 * as published by the Free Software Foundation.

 */



#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/gpio.h>



#include <linux/input.h>

#include <linux/gpio_keys.h>

#include <linux/input/matrix_keypad.h>

#include <linux/spi/spi.h>

#include <linux/spi/spi_gpio.h>

#include <linux/power_supply.h>

#include <linux/power/jz4740-battery.h>



#include <asm/mach-jz4740/jz4740_fb.h>

#include <asm/mach-jz4740/jz4740_mmc.h>

#include <asm/mach-jz4740/jz4740_nand.h>



#include <linux/regulator/fixed.h>

#include <linux/regulator/machine.h>



#include <linux/leds_pwm.h>



#include <asm/mach-jz4740/platform.h>



#include "clock.h"



static bool is_avt2;



/* GPIOs */

#define QI_LB60_GPIO_SD_CD		JZ_GPIO_PORTD(0)

#define QI_LB60_GPIO_SD_VCC_EN_N	JZ_GPIO_PORTD(2)



#define QI_LB60_GPIO_KEYOUT(x)		(JZ_GPIO_PORTC(10) + (x))

#define QI_LB60_GPIO_KEYIN(x)		(JZ_GPIO_PORTD(18) + (x))

#define QI_LB60_GPIO_KEYIN8		JZ_GPIO_PORTD(26)



/* NAND */

static struct nand_ecclayout qi_lb60_ecclayout_1gb = {

/*	.eccbytes = 36,

	.eccpos = {

		6,  7,  8,  9,  10, 11, 12, 13,

		14, 15, 16, 17, 18, 19, 20, 21,

		22, 23, 24, 25, 26, 27, 28, 29,

		30, 31, 32, 33, 34, 35, 36, 37,

		38, 39, 40, 41

	},*/

	.oobfree = {

		{ .offset = 2, .length = 4 },

		{ .offset = 42, .length = 22 }

	},

};



/* Early prototypes of the QI LB60 had only 1GB of NAND.

 * In order to support these devices aswell the partition and ecc layout is

 * initalized depending on the NAND size */

static struct mtd_partition qi_lb60_partitions_1gb[] = {

	{

		.name = "NAND BOOT partition",

		.offset = 0 * 0x100000,

		.size = 4 * 0x100000,

	},

	{

		.name = "NAND KERNEL partition",

		.offset = 4 * 0x100000,

		.size = 4 * 0x100000,

	},

	{

		.name = "NAND ROOTFS partition",

		.offset = 8 * 0x100000,

		.size = (504 + 512) * 0x100000,

	},

};



static struct nand_ecclayout qi_lb60_ecclayout_2gb = {

/*	.eccbytes = 72,

	.eccpos = {

		12, 13, 14, 15, 16, 17, 18, 19,

		20, 21, 22, 23, 24, 25, 26, 27,

		28, 29, 30, 31, 32, 33, 34, 35,

		36, 37, 38, 39, 40, 41, 42, 43,

		44, 45, 46, 47, 48, 49, 50, 51,

		52, 53, 54, 55, 56, 57, 58, 59,

		60, 61, 62, 63, 64, 65, 66, 67,

		68, 69, 70, 71, 72, 73, 74, 75,

		76, 77, 78, 79, 80, 81, 82, 83

	},*/

	.oobfree = {

		{ .offset = 2, .length = 10 },

		{ .offset = 84, .length = 44 },

	},

};



static struct mtd_partition qi_lb60_partitions_2gb[] = {

	{

		.name = "NAND BOOT partition",

		.offset = 0 * 0x100000,

		.size = 4 * 0x100000,

	},

	{

		.name = "NAND KERNEL partition",

		.offset = 4 * 0x100000,

		.size = 4 * 0x100000,

	},

	{

		.name = "NAND ROOTFS partition",

		.offset = 8 * 0x100000,

		.size = (504 + 512 + 1024) * 0x100000,

	},

};



static void qi_lb60_nand_ident(struct platform_device *pdev,

		struct nand_chip *chip, struct mtd_partition **partitions,

		int *num_partitions)

{

	if (chip->page_shift == 12) {

		chip->ecc.layout = &qi_lb60_ecclayout_2gb;

		*partitions = qi_lb60_partitions_2gb;

		*num_partitions = ARRAY_SIZE(qi_lb60_partitions_2gb);

	} else {

		chip->ecc.layout = &qi_lb60_ecclayout_1gb;

		*partitions = qi_lb60_partitions_1gb;

		*num_partitions = ARRAY_SIZE(qi_lb60_partitions_1gb);

	}

}



static struct jz_nand_platform_data qi_lb60_nand_pdata = {

	.ident_callback = qi_lb60_nand_ident,

	.busy_gpio = 94,

};



/* Keyboard*/



#define KEY_QI_QI	KEY_F13

#define KEY_QI_UPRED	KEY_RIGHTALT

#define KEY_QI_VOLUP	KEY_VOLUMEUP

#define KEY_QI_VOLDOWN	KEY_VOLUMEDOWN

#define KEY_QI_FN	KEY_LEFTCTRL



static const uint32_t qi_lb60_keymap[] = {

	KEY(0, 0, KEY_F1),	/* S2 */

	KEY(0, 1, KEY_F2),	/* S3 */

	KEY(0, 2, KEY_F3),	/* S4 */

	KEY(0, 3, KEY_F4),	/* S5 */

	KEY(0, 4, KEY_F5),	/* S6 */

	KEY(0, 5, KEY_F6),	/* S7 */

	KEY(0, 6, KEY_F7),	/* S8 */



	KEY(1, 0, KEY_Q),	/* S10 */

	KEY(1, 1, KEY_W),	/* S11 */

	KEY(1, 2, KEY_E),	/* S12 */

	KEY(1, 3, KEY_R),	/* S13 */

	KEY(1, 4, KEY_T),	/* S14 */

	KEY(1, 5, KEY_Y),	/* S15 */

	KEY(1, 6, KEY_U),	/* S16 */

	KEY(1, 7, KEY_I),	/* S17 */

	KEY(2, 0, KEY_A),	/* S18 */

	KEY(2, 1, KEY_S),	/* S19 */

	KEY(2, 2, KEY_D),	/* S20 */

	KEY(2, 3, KEY_F),	/* S21 */

	KEY(2, 4, KEY_G),	/* S22 */

	KEY(2, 5, KEY_H),	/* S23 */

	KEY(2, 6, KEY_J),	/* S24 */

	KEY(2, 7, KEY_K),	/* S25 */

	KEY(3, 0, KEY_ESC),	/* S26 */

	KEY(3, 1, KEY_Z),	/* S27 */

	KEY(3, 2, KEY_X),	/* S28 */

	KEY(3, 3, KEY_C),	/* S29 */

	KEY(3, 4, KEY_V),	/* S30 */

	KEY(3, 5, KEY_B),	/* S31 */

	KEY(3, 6, KEY_N),	/* S32 */

	KEY(3, 7, KEY_M),	/* S33 */

	KEY(4, 0, KEY_TAB),	/* S34 */

	KEY(4, 1, KEY_CAPSLOCK),	/* S35 */

	KEY(4, 2, KEY_BACKSLASH),	/* S36 */

	KEY(4, 3, KEY_APOSTROPHE),	/* S37 */

	KEY(4, 4, KEY_COMMA),	/* S38 */

	KEY(4, 5, KEY_DOT),	/* S39 */

	KEY(4, 6, KEY_SLASH),	/* S40 */

	KEY(4, 7, KEY_UP),	/* S41 */

	KEY(5, 0, KEY_O),	/* S42 */

	KEY(5, 1, KEY_L),	/* S43 */

	KEY(5, 2, KEY_EQUAL),	/* S44 */

	KEY(5, 3, KEY_QI_UPRED),	/* S45 */

	KEY(5, 4, KEY_SPACE),	/* S46 */

	KEY(5, 5, KEY_QI_QI),	/* S47 */

	KEY(5, 6, KEY_RIGHTCTRL),	/* S48 */

	KEY(5, 7, KEY_LEFT),	/* S49 */

	KEY(6, 0, KEY_F8),	/* S50 */

	KEY(6, 1, KEY_P),	/* S51 */

	KEY(6, 2, KEY_BACKSPACE),/* S52 */

	KEY(6, 3, KEY_ENTER),	/* S53 */

	KEY(6, 4, KEY_QI_VOLUP),	/* S54 */

	KEY(6, 5, KEY_QI_VOLDOWN),	/* S55 */

	KEY(6, 6, KEY_DOWN),	/* S56 */

	KEY(6, 7, KEY_RIGHT),	/* S57 */



	KEY(7, 0, KEY_LEFTSHIFT),	/* S58 */

	KEY(7, 1, KEY_LEFTALT),	/* S59 */

	KEY(7, 2, KEY_QI_FN),	/* S60 */

};



static const struct matrix_keymap_data qi_lb60_keymap_data = {

	.keymap		= qi_lb60_keymap,

	.keymap_size	= ARRAY_SIZE(qi_lb60_keymap),

};



static const unsigned int qi_lb60_keypad_cols[] = {

	QI_LB60_GPIO_KEYOUT(0),

	QI_LB60_GPIO_KEYOUT(1),

	QI_LB60_GPIO_KEYOUT(2),

	QI_LB60_GPIO_KEYOUT(3),

	QI_LB60_GPIO_KEYOUT(4),

	QI_LB60_GPIO_KEYOUT(5),

	QI_LB60_GPIO_KEYOUT(6),

	QI_LB60_GPIO_KEYOUT(7),

};



static const unsigned int qi_lb60_keypad_rows[] = {

	QI_LB60_GPIO_KEYIN(0),

	QI_LB60_GPIO_KEYIN(1),

	QI_LB60_GPIO_KEYIN(2),

	QI_LB60_GPIO_KEYIN(3),

	QI_LB60_GPIO_KEYIN(4),

	QI_LB60_GPIO_KEYIN(5),

	QI_LB60_GPIO_KEYIN(7),

	QI_LB60_GPIO_KEYIN8,

};



static struct matrix_keypad_platform_data qi_lb60_pdata = {

	.keymap_data = &qi_lb60_keymap_data,

	.col_gpios	= qi_lb60_keypad_cols,

	.row_gpios	= qi_lb60_keypad_rows,

	.num_col_gpios	= ARRAY_SIZE(qi_lb60_keypad_cols),

	.num_row_gpios	= ARRAY_SIZE(qi_lb60_keypad_rows),

	.col_scan_delay_us	= 10,

	.debounce_ms		= 10,

	.wakeup			= 1,

	.active_low		= 1,

};



static struct platform_device qi_lb60_keypad = {

	.name		= "matrix-keypad",

	.id		= -1,

	.dev		= {

		.platform_data = &qi_lb60_pdata,

	},

};



/* Display */

static struct fb_videomode qi_lb60_video_modes[] = {

	{

		.name = "320x240",

		.xres = 320,

		.yres = 240,

		.refresh = 30,

		.left_margin = 140,

		.right_margin = 273,

		.upper_margin = 20,

		.lower_margin = 2,

		.hsync_len = 1,

		.vsync_len = 1,

		.sync = 0,

		.vmode = FB_VMODE_NONINTERLACED,

	},

};



static struct jz4740_fb_platform_data qi_lb60_fb_pdata = {

	.width		= 60,

	.height		= 45,

	.num_modes	= ARRAY_SIZE(qi_lb60_video_modes),

	.modes		= qi_lb60_video_modes,

	.bpp		= 24,

	.lcd_type	= JZ_LCD_TYPE_8BIT_SERIAL,

	.pixclk_falling_edge = 1,

};



struct spi_gpio_platform_data spigpio_platform_data = {

	.sck = JZ_GPIO_PORTC(23),

	.mosi = JZ_GPIO_PORTC(22),

	.miso = -1,

	.num_chipselect = 1,

};



static struct platform_device spigpio_device = {

	.name = "spi_gpio",

	.id   = 1,

	.dev = {

		.platform_data = &spigpio_platform_data,

	},

};



static struct spi_board_info qi_lb60_spi_board_info[] = {

	{

		.modalias = "ili8960",

		.controller_data = (void *)JZ_GPIO_PORTC(21),

		.chip_select = 0,

		.bus_num = 1,

		.max_speed_hz = 30 * 1000,

		.mode = SPI_3WIRE,

	},

};



/* Battery */

static struct jz_battery_platform_data qi_lb60_battery_pdata = {

	.gpio_charge =  JZ_GPIO_PORTC(27),

	.gpio_charge_active_low = 1,

	.info = {

		.name = "battery",

		.technology = POWER_SUPPLY_TECHNOLOGY_LIPO,

		.voltage_max_design = 4200000,

		.voltage_min_design = 3600000,

	},

};



/* GPIO Key: power */

static struct gpio_keys_button qi_lb60_gpio_keys_buttons[] = {

	[0] = {

		.code		= KEY_POWER,

		.gpio		= JZ_GPIO_PORTD(29),

		.active_low	= 1,

		.desc		= "Power",

		.wakeup		= 1,

	},

};



static struct gpio_keys_platform_data qi_lb60_gpio_keys_data = {

	.nbuttons = ARRAY_SIZE(qi_lb60_gpio_keys_buttons),

	.buttons = qi_lb60_gpio_keys_buttons,

};



static struct platform_device qi_lb60_gpio_keys = {

	.name =	"gpio-keys",

	.id =	-1,

	.dev = {

		.platform_data = &qi_lb60_gpio_keys_data,

	}

};



static struct jz4740_mmc_platform_data qi_lb60_mmc_pdata = {

	.gpio_card_detect	= QI_LB60_GPIO_SD_CD,

	.gpio_read_only		= -1,

	.gpio_power		= QI_LB60_GPIO_SD_VCC_EN_N,

	.power_active_low	= 1,

};



/* OHCI */

static struct regulator_consumer_supply avt2_usb_regulator_consumer =

	REGULATOR_SUPPLY("vbus", "jz4740-ohci");



static struct regulator_init_data avt2_usb_regulator_init_data = {

	.num_consumer_supplies = 1,

	.consumer_supplies = &avt2_usb_regulator_consumer,

	.constraints = {

		.name = "USB power",

		.min_uV = 5000000,

		.max_uV = 5000000,

		.valid_modes_mask = REGULATOR_MODE_NORMAL,

		.valid_ops_mask = REGULATOR_CHANGE_STATUS,

	},

};



static struct fixed_voltage_config avt2_usb_regulator_data = {

	.supply_name = "USB power",

	.microvolts = 5000000,

	.gpio = JZ_GPIO_PORTB(17),

	.init_data = &avt2_usb_regulator_init_data,

};



static struct platform_device avt2_usb_regulator_device = {

	.name = "reg-fixed-voltage",

	.id = -1,

	.dev = {

		.platform_data = &avt2_usb_regulator_data,

	}

};



/* beeper */

static struct platform_device qi_lb60_pwm_beeper = {

	.name = "pwm-beeper",

	.id = -1,

	.dev = {

		.platform_data = (void *)4,

	},

};



static struct platform_device *jz_platform_devices[] __initdata = {

	&jz4740_udc_device,

	&jz4740_mmc_device,

	&jz4740_nand_device,

	&qi_lb60_keypad,

	&spigpio_device,

	&jz4740_framebuffer_device,

	&jz4740_pcm_device,

	&jz4740_i2s_device,

	&jz4740_codec_device,

	&jz4740_rtc_device,

	&jz4740_adc_device,

	&qi_lb60_gpio_keys,

	&qi_lb60_pwm_beeper,

};



static void __init board_gpio_setup(void)

{

	/* We only need to enable/disable pullup here for pins used in generic

	 * drivers. Everything else is done by the drivers themselfs. */

	jz_gpio_disable_pullup(QI_LB60_GPIO_SD_VCC_EN_N);

	jz_gpio_disable_pullup(QI_LB60_GPIO_SD_CD);

}



static int __init qi_lb60_init_platform_devices(void)

{

	jz4740_framebuffer_device.dev.platform_data = &qi_lb60_fb_pdata;

	jz4740_nand_device.dev.platform_data = &qi_lb60_nand_pdata;

	jz4740_adc_device.dev.platform_data = &qi_lb60_battery_pdata;

	jz4740_mmc_device.dev.platform_data = &qi_lb60_mmc_pdata;



	jz4740_serial_device_register();



	spi_register_board_info(qi_lb60_spi_board_info,

				ARRAY_SIZE(qi_lb60_spi_board_info));



	if (is_avt2) {

		platform_device_register(&avt2_usb_regulator_device);

		platform_device_register(&jz4740_usb_ohci_device);

	}



	return platform_add_devices(jz_platform_devices,

					ARRAY_SIZE(jz_platform_devices));



}



struct jz4740_clock_board_data jz4740_clock_bdata = {

	.ext_rate = 12000000,

	.rtc_rate = 32768,

};



static __init int board_avt2(char *str)

{

	qi_lb60_mmc_pdata.card_detect_active_low = 1;

	is_avt2 = true;



	return 1;

}

__setup("avt2", board_avt2);



static int __init qi_lb60_board_setup(void)

{

	printk(KERN_INFO "Qi Hardware JZ4740 QI %s setup\n",

		is_avt2 ? "AVT2" : "LB60");



	board_gpio_setup();



	if (qi_lb60_init_platform_devices())

		panic("Failed to initalize platform devices\n");



	return 0;

}

arch_initcall(qi_lb60_board_setup);