arch/arm/mach-omap1/board-palmz71.c - kernel/msm-4.19 - Gitiles

 /*
  * linux/arch/arm/mach-omap1/board-palmz71.c
  *
  * Modified from board-generic.c
  *
  * Support for the Palm Zire71 PDA.
  *
  * Original version : Laurent Gonzalez
  *
  * Modified for zire71 : Marek Vasut
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */

 #include <linux/delay.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/notifier.h>
 #include <linux/clk.h>
 #include <linux/irq.h>
 #include <linux/input.h>
 #include <linux/interrupt.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>

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

 #include <mach/gpio.h>
 #include <plat/flash.h>
 #include <plat/mux.h>
 #include <plat/usb.h>
 #include <plat/dma.h>
 #include <plat/tc.h>
 #include <plat/board.h>
 #include <plat/irda.h>
 #include <plat/keypad.h>
 #include <plat/common.h>
 #include <plat/omap-alsa.h>

 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>

 #define PALMZ71_USBDETECT_GPIO	0
 #define PALMZ71_PENIRQ_GPIO	6
 #define PALMZ71_MMC_WP_GPIO	8
 #define PALMZ71_HDQ_GPIO 	11

 #define PALMZ71_HOTSYNC_GPIO	OMAP_MPUIO(1)
 #define PALMZ71_CABLE_GPIO	OMAP_MPUIO(2)
 #define PALMZ71_SLIDER_GPIO	OMAP_MPUIO(3)
 #define PALMZ71_MMC_IN_GPIO	OMAP_MPUIO(4)

 static void __init
 omap_palmz71_init_irq(void)
 {
 	omap1_init_common_hw();
 	omap_init_irq();
 }

 static const unsigned int palmz71_keymap[] = {
 	KEY(0, 0, KEY_F1),
 	KEY(1, 0, KEY_F2),
 	KEY(2, 0, KEY_F3),
 	KEY(3, 0, KEY_F4),
 	KEY(4, 0, KEY_POWER),
 	KEY(0, 1, KEY_LEFT),
 	KEY(1, 1, KEY_DOWN),
 	KEY(2, 1, KEY_UP),
 	KEY(3, 1, KEY_RIGHT),
 	KEY(4, 1, KEY_ENTER),
 	KEY(0, 2, KEY_CAMERA),
 };

 static const struct matrix_keymap_data palmz71_keymap_data = {
 	.keymap		= palmz71_keymap,
 	.keymap_size	= ARRAY_SIZE(palmz71_keymap),
 };

 static struct omap_kp_platform_data palmz71_kp_data = {
 	.rows	= 8,
 	.cols	= 8,
 	.keymap_data	= &palmz71_keymap_data,
 	.rep	= true,
 	.delay	= 80,
 };

 static struct resource palmz71_kp_resources[] = {
 	[0] = {
 		.start	= INT_KEYBOARD,
 		.end	= INT_KEYBOARD,
 		.flags	= IORESOURCE_IRQ,
 	},
 };

 static struct platform_device palmz71_kp_device = {
 	.name	= "omap-keypad",
 	.id	= -1,
 	.dev	= {
 		.platform_data = &palmz71_kp_data,
 	},
 	.num_resources	= ARRAY_SIZE(palmz71_kp_resources),
 	.resource	= palmz71_kp_resources,
 };

 static struct mtd_partition palmz71_rom_partitions[] = {
 	/* PalmOS "Small ROM", contains the bootloader and the debugger */
 	{
 		.name		= "smallrom",
 		.offset		= 0,
 		.size		= 0xa000,
 		.mask_flags	= MTD_WRITEABLE,
 	},
 	/* PalmOS "Big ROM", a filesystem with all the OS code and data */
 	{
 		.name	= "bigrom",
 		.offset	= SZ_128K,
 		/*
 		 * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
 		 * 0x7b0000 bytes in the English-only ("enUS") version.
 		 */
 		.size		= 0x7b0000,
 		.mask_flags	= MTD_WRITEABLE,
 	},
 };

 static struct physmap_flash_data palmz71_rom_data = {
 	.width		= 2,
 	.set_vpp	= omap1_set_vpp,
 	.parts		= palmz71_rom_partitions,
 	.nr_parts	= ARRAY_SIZE(palmz71_rom_partitions),
 };

 static struct resource palmz71_rom_resource = {
 	.start	= OMAP_CS0_PHYS,
 	.end	= OMAP_CS0_PHYS + SZ_8M - 1,
 	.flags	= IORESOURCE_MEM,
 };

 static struct platform_device palmz71_rom_device = {
 	.name	= "physmap-flash",
 	.id	= -1,
 	.dev = {
 		.platform_data = &palmz71_rom_data,
 	},
 	.num_resources	= 1,
 	.resource	= &palmz71_rom_resource,
 };

 static struct platform_device palmz71_lcd_device = {
 	.name	= "lcd_palmz71",
 	.id	= -1,
 };

 static struct omap_irda_config palmz71_irda_config = {
 	.transceiver_cap	= IR_SIRMODE,
 	.rx_channel		= OMAP_DMA_UART3_RX,
 	.tx_channel		= OMAP_DMA_UART3_TX,
 	.dest_start		= UART3_THR,
 	.src_start		= UART3_RHR,
 	.tx_trigger		= 0,
 	.rx_trigger		= 0,
 };

 static struct resource palmz71_irda_resources[] = {
 	[0] = {
 		.start	= INT_UART3,
 		.end	= INT_UART3,
 		.flags	= IORESOURCE_IRQ,
 	},
 };

 static struct platform_device palmz71_irda_device = {
 	.name	= "omapirda",
 	.id	= -1,
 	.dev = {
 		.platform_data = &palmz71_irda_config,
 	},
 	.num_resources	= ARRAY_SIZE(palmz71_irda_resources),
 	.resource	= palmz71_irda_resources,
 };

 static struct platform_device palmz71_spi_device = {
 	.name	= "spi_palmz71",
 	.id	= -1,
 };

 static struct omap_backlight_config palmz71_backlight_config = {
 	.default_intensity	= 0xa0,
 };

 static struct platform_device palmz71_backlight_device = {
 	.name	= "omap-bl",
 	.id	= -1,
 	.dev	= {
 		.platform_data = &palmz71_backlight_config,
 	},
 };

 static struct platform_device *devices[] __initdata = {
 	&palmz71_rom_device,
 	&palmz71_kp_device,
 	&palmz71_lcd_device,
 	&palmz71_irda_device,
 	&palmz71_spi_device,
 	&palmz71_backlight_device,
 };

 static int
 palmz71_get_pendown_state(void)
 {
 	return !gpio_get_value(PALMZ71_PENIRQ_GPIO);
 }

 static const struct ads7846_platform_data palmz71_ts_info = {
 	.model			= 7846,
 	.vref_delay_usecs	= 100,	/* internal, no capacitor */
 	.x_plate_ohms		= 419,
 	.y_plate_ohms		= 486,
 	.get_pendown_state	= palmz71_get_pendown_state,
 };

 static struct spi_board_info __initdata palmz71_boardinfo[] = { {
 	/* MicroWire (bus 2) CS0 has an ads7846e */
 	.modalias	= "ads7846",
 	.platform_data	= &palmz71_ts_info,
 	.irq		= OMAP_GPIO_IRQ(PALMZ71_PENIRQ_GPIO),
 	.max_speed_hz	= 120000	/* max sample rate at 3V */
 				* 26	/* command + data + overhead */,
 	.bus_num	= 2,
 	.chip_select	= 0,
 } };

 static struct omap_usb_config palmz71_usb_config __initdata = {
 	.register_dev	= 1,	/* Mini-B only receptacle */
 	.hmc_mode	= 0,
 	.pins[0]	= 2,
 };

 static struct omap_lcd_config palmz71_lcd_config __initdata = {
 	.ctrl_name = "internal",
 };

 static struct omap_board_config_kernel palmz71_config[] __initdata = {
 	{OMAP_TAG_LCD,	&palmz71_lcd_config},
 };

 static irqreturn_t
 palmz71_powercable(int irq, void *dev_id)
 {
 	if (gpio_get_value(PALMZ71_USBDETECT_GPIO)) {
 		printk(KERN_INFO "PM: Power cable connected\n");
 		set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
 				IRQ_TYPE_EDGE_FALLING);
 	} else {
 		printk(KERN_INFO "PM: Power cable disconnected\n");
 		set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
 				IRQ_TYPE_EDGE_RISING);
 	}
 	return IRQ_HANDLED;
 }

 static void __init
 omap_mpu_wdt_mode(int mode)
 {
 	if (mode)
 		omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
 	else {
 		omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
 		omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
 	}
 }

 static void __init
 palmz71_gpio_setup(int early)
 {
 	if (early) {
 		/* Only set GPIO1 so we have a working serial */
 		gpio_direction_output(1, 1);
 	} else {
 		/* Set MMC/SD host WP pin as input */
 		if (gpio_request(PALMZ71_MMC_WP_GPIO, "MMC WP") < 0) {
 			printk(KERN_ERR "Could not reserve WP GPIO!\n");
 			return;
 		}
 		gpio_direction_input(PALMZ71_MMC_WP_GPIO);

 		/* Monitor the Power-cable-connected signal */
 		if (gpio_request(PALMZ71_USBDETECT_GPIO, "USB detect") < 0) {
 			printk(KERN_ERR
 				"Could not reserve cable signal GPIO!\n");
 			return;
 		}
 		gpio_direction_input(PALMZ71_USBDETECT_GPIO);
 		if (request_irq(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
 				palmz71_powercable, IRQF_SAMPLE_RANDOM,
 				"palmz71-cable", 0))
 			printk(KERN_ERR
 					"IRQ request for power cable failed!\n");
 		palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), 0);
 	}
 }

 static void __init
 omap_palmz71_init(void)
 {
 	/* mux pins for uarts */
 	omap_cfg_reg(UART1_TX);
 	omap_cfg_reg(UART1_RTS);
 	omap_cfg_reg(UART2_TX);
 	omap_cfg_reg(UART2_RTS);
 	omap_cfg_reg(UART3_TX);
 	omap_cfg_reg(UART3_RX);

 	palmz71_gpio_setup(1);
 	omap_mpu_wdt_mode(0);

 	omap_board_config = palmz71_config;
 	omap_board_config_size = ARRAY_SIZE(palmz71_config);

 	platform_add_devices(devices, ARRAY_SIZE(devices));

 	spi_register_board_info(palmz71_boardinfo,
 				ARRAY_SIZE(palmz71_boardinfo));
 	omap1_usb_init(&palmz71_usb_config);
 	omap_serial_init();
 	omap_register_i2c_bus(1, 100, NULL, 0);
 	palmz71_gpio_setup(0);
 }

 static void __init
 omap_palmz71_map_io(void)
 {
 	omap1_map_common_io();
 }

 MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")
 	.boot_params	= 0x10000100,
 	.map_io		= omap_palmz71_map_io,
 	.reserve	= omap_reserve,
 	.init_irq	= omap_palmz71_init_irq,
 	.init_machine	= omap_palmz71_init,
 	.timer		= &omap_timer,
 MACHINE_END
	/*
	* linux/arch/arm/mach-omap1/board-palmz71.c
	*
	* Modified from board-generic.c
	*
	* Support for the Palm Zire71 PDA.
	*
	* Original version : Laurent Gonzalez
	*
	* Modified for zire71 : Marek Vasut
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License version 2 as
	* published by the Free Software Foundation.
	*/

	#include <linux/delay.h>
	#include <linux/kernel.h>
	#include <linux/init.h>
	#include <linux/platform_device.h>
	#include <linux/notifier.h>
	#include <linux/clk.h>
	#include <linux/irq.h>
	#include <linux/input.h>
	#include <linux/interrupt.h>
	#include <linux/mtd/mtd.h>
	#include <linux/mtd/partitions.h>
	#include <linux/mtd/physmap.h>

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

	#include <mach/gpio.h>
	#include <plat/flash.h>
	#include <plat/mux.h>
	#include <plat/usb.h>
	#include <plat/dma.h>
	#include <plat/tc.h>
	#include <plat/board.h>
	#include <plat/irda.h>
	#include <plat/keypad.h>
	#include <plat/common.h>
	#include <plat/omap-alsa.h>

	#include <linux/spi/spi.h>
	#include <linux/spi/ads7846.h>

	#define PALMZ71_USBDETECT_GPIO 0
	#define PALMZ71_PENIRQ_GPIO 6
	#define PALMZ71_MMC_WP_GPIO 8
	#define PALMZ71_HDQ_GPIO 11

	#define PALMZ71_HOTSYNC_GPIO OMAP_MPUIO(1)
	#define PALMZ71_CABLE_GPIO OMAP_MPUIO(2)
	#define PALMZ71_SLIDER_GPIO OMAP_MPUIO(3)
	#define PALMZ71_MMC_IN_GPIO OMAP_MPUIO(4)

	static void __init
	omap_palmz71_init_irq(void)
	{
	omap1_init_common_hw();
	omap_init_irq();
	}

	static const unsigned int palmz71_keymap[] = {
	KEY(0, 0, KEY_F1),
	KEY(1, 0, KEY_F2),
	KEY(2, 0, KEY_F3),
	KEY(3, 0, KEY_F4),
	KEY(4, 0, KEY_POWER),
	KEY(0, 1, KEY_LEFT),
	KEY(1, 1, KEY_DOWN),
	KEY(2, 1, KEY_UP),
	KEY(3, 1, KEY_RIGHT),
	KEY(4, 1, KEY_ENTER),
	KEY(0, 2, KEY_CAMERA),
	};

	static const struct matrix_keymap_data palmz71_keymap_data = {
	.keymap = palmz71_keymap,
	.keymap_size = ARRAY_SIZE(palmz71_keymap),
	};

	static struct omap_kp_platform_data palmz71_kp_data = {
	.rows = 8,
	.cols = 8,
	.keymap_data = &palmz71_keymap_data,
	.rep = true,
	.delay = 80,
	};

	static struct resource palmz71_kp_resources[] = {
	[0] = {
	.start = INT_KEYBOARD,
	.end = INT_KEYBOARD,
	.flags = IORESOURCE_IRQ,
	},
	};

	static struct platform_device palmz71_kp_device = {
	.name = "omap-keypad",
	.id = -1,
	.dev = {
	.platform_data = &palmz71_kp_data,
	},
	.num_resources = ARRAY_SIZE(palmz71_kp_resources),
	.resource = palmz71_kp_resources,
	};

	static struct mtd_partition palmz71_rom_partitions[] = {
	/* PalmOS "Small ROM", contains the bootloader and the debugger */
	{
	.name = "smallrom",
	.offset = 0,
	.size = 0xa000,
	.mask_flags = MTD_WRITEABLE,
	},
	/* PalmOS "Big ROM", a filesystem with all the OS code and data */
	{
	.name = "bigrom",
	.offset = SZ_128K,
	/*
	* 0x5f0000 bytes big in the multi-language ("EFIGS") version,
	* 0x7b0000 bytes in the English-only ("enUS") version.
	*/
	.size = 0x7b0000,
	.mask_flags = MTD_WRITEABLE,
	},
	};

	static struct physmap_flash_data palmz71_rom_data = {
	.width = 2,
	.set_vpp = omap1_set_vpp,
	.parts = palmz71_rom_partitions,
	.nr_parts = ARRAY_SIZE(palmz71_rom_partitions),
	};

	static struct resource palmz71_rom_resource = {
	.start = OMAP_CS0_PHYS,
	.end = OMAP_CS0_PHYS + SZ_8M - 1,
	.flags = IORESOURCE_MEM,
	};

	static struct platform_device palmz71_rom_device = {
	.name = "physmap-flash",
	.id = -1,
	.dev = {
	.platform_data = &palmz71_rom_data,
	},
	.num_resources = 1,
	.resource = &palmz71_rom_resource,
	};

	static struct platform_device palmz71_lcd_device = {
	.name = "lcd_palmz71",
	.id = -1,
	};

	static struct omap_irda_config palmz71_irda_config = {
	.transceiver_cap = IR_SIRMODE,
	.rx_channel = OMAP_DMA_UART3_RX,
	.tx_channel = OMAP_DMA_UART3_TX,
	.dest_start = UART3_THR,
	.src_start = UART3_RHR,
	.tx_trigger = 0,
	.rx_trigger = 0,
	};

	static struct resource palmz71_irda_resources[] = {
	[0] = {
	.start = INT_UART3,
	.end = INT_UART3,
	.flags = IORESOURCE_IRQ,
	},
	};

	static struct platform_device palmz71_irda_device = {
	.name = "omapirda",
	.id = -1,
	.dev = {
	.platform_data = &palmz71_irda_config,
	},
	.num_resources = ARRAY_SIZE(palmz71_irda_resources),
	.resource = palmz71_irda_resources,
	};

	static struct platform_device palmz71_spi_device = {
	.name = "spi_palmz71",
	.id = -1,
	};

	static struct omap_backlight_config palmz71_backlight_config = {
	.default_intensity = 0xa0,
	};

	static struct platform_device palmz71_backlight_device = {
	.name = "omap-bl",
	.id = -1,
	.dev = {
	.platform_data = &palmz71_backlight_config,
	},
	};

	static struct platform_device *devices[] __initdata = {
	&palmz71_rom_device,
	&palmz71_kp_device,
	&palmz71_lcd_device,
	&palmz71_irda_device,
	&palmz71_spi_device,
	&palmz71_backlight_device,
	};

	static int
	palmz71_get_pendown_state(void)
	{
	return !gpio_get_value(PALMZ71_PENIRQ_GPIO);
	}

	static const struct ads7846_platform_data palmz71_ts_info = {
	.model = 7846,
	.vref_delay_usecs = 100, /* internal, no capacitor */
	.x_plate_ohms = 419,
	.y_plate_ohms = 486,
	.get_pendown_state = palmz71_get_pendown_state,
	};

	static struct spi_board_info __initdata palmz71_boardinfo[] = { {
	/* MicroWire (bus 2) CS0 has an ads7846e */
	.modalias = "ads7846",
	.platform_data = &palmz71_ts_info,
	.irq = OMAP_GPIO_IRQ(PALMZ71_PENIRQ_GPIO),
	.max_speed_hz = 120000 /* max sample rate at 3V */
	* 26 /* command + data + overhead */,
	.bus_num = 2,
	.chip_select = 0,
	} };

	static struct omap_usb_config palmz71_usb_config __initdata = {
	.register_dev = 1, /* Mini-B only receptacle */
	.hmc_mode = 0,
	.pins[0] = 2,
	};

	static struct omap_lcd_config palmz71_lcd_config __initdata = {
	.ctrl_name = "internal",
	};

	static struct omap_board_config_kernel palmz71_config[] __initdata = {
	{OMAP_TAG_LCD, &palmz71_lcd_config},
	};

	static irqreturn_t
	palmz71_powercable(int irq, void *dev_id)
	{
	if (gpio_get_value(PALMZ71_USBDETECT_GPIO)) {
	printk(KERN_INFO "PM: Power cable connected\n");
	set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
	IRQ_TYPE_EDGE_FALLING);
	} else {
	printk(KERN_INFO "PM: Power cable disconnected\n");
	set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
	IRQ_TYPE_EDGE_RISING);
	}
	return IRQ_HANDLED;
	}

	static void __init
	omap_mpu_wdt_mode(int mode)
	{
	if (mode)
	omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
	else {
	omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
	omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
	}
	}

	static void __init
	palmz71_gpio_setup(int early)
	{
	if (early) {
	/* Only set GPIO1 so we have a working serial */
	gpio_direction_output(1, 1);
	} else {
	/* Set MMC/SD host WP pin as input */
	if (gpio_request(PALMZ71_MMC_WP_GPIO, "MMC WP") < 0) {
	printk(KERN_ERR "Could not reserve WP GPIO!\n");
	return;
	}
	gpio_direction_input(PALMZ71_MMC_WP_GPIO);

	/* Monitor the Power-cable-connected signal */
	if (gpio_request(PALMZ71_USBDETECT_GPIO, "USB detect") < 0) {
	printk(KERN_ERR
	"Could not reserve cable signal GPIO!\n");
	return;
	}
	gpio_direction_input(PALMZ71_USBDETECT_GPIO);
	if (request_irq(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
	palmz71_powercable, IRQF_SAMPLE_RANDOM,
	"palmz71-cable", 0))
	printk(KERN_ERR
	"IRQ request for power cable failed!\n");
	palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), 0);
	}
	}

	static void __init
	omap_palmz71_init(void)
	{
	/* mux pins for uarts */
	omap_cfg_reg(UART1_TX);
	omap_cfg_reg(UART1_RTS);
	omap_cfg_reg(UART2_TX);
	omap_cfg_reg(UART2_RTS);
	omap_cfg_reg(UART3_TX);
	omap_cfg_reg(UART3_RX);

	palmz71_gpio_setup(1);
	omap_mpu_wdt_mode(0);

	omap_board_config = palmz71_config;
	omap_board_config_size = ARRAY_SIZE(palmz71_config);

	platform_add_devices(devices, ARRAY_SIZE(devices));

	spi_register_board_info(palmz71_boardinfo,
	ARRAY_SIZE(palmz71_boardinfo));
	omap1_usb_init(&palmz71_usb_config);
	omap_serial_init();
	omap_register_i2c_bus(1, 100, NULL, 0);
	palmz71_gpio_setup(0);
	}

	static void __init
	omap_palmz71_map_io(void)
	{
	omap1_map_common_io();
	}

	MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")
	.boot_params = 0x10000100,
	.map_io = omap_palmz71_map_io,
	.reserve = omap_reserve,
	.init_irq = omap_palmz71_init_irq,
	.init_machine = omap_palmz71_init,
	.timer = &omap_timer,
	MACHINE_END