arch/arm/mach-orion5x/ls-chl-setup.c - kernel/msm-4.9 - Gitiles

 /*
  * arch/arm/mach-orion5x/ls-chl-setup.c
  *
  * Maintainer: Ash Hughes <ashley.hughes@blueyonder.co.uk>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2.  This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */

 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/mtd/physmap.h>
 #include <linux/mv643xx_eth.h>
 #include <linux/leds.h>
 #include <linux/gpio_keys.h>
 #include <linux/gpio-fan.h>
 #include <linux/input.h>
 #include <linux/i2c.h>
 #include <linux/ata_platform.h>
 #include <linux/gpio.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <mach/orion5x.h>
 #include "common.h"
 #include "mpp.h"

 /*****************************************************************************
  * Linkstation LS-CHL Info
  ****************************************************************************/

 /*
  * 256K NOR flash Device bus boot chip select
  */

 #define LSCHL_NOR_BOOT_BASE	0xf4000000
 #define LSCHL_NOR_BOOT_SIZE	SZ_256K

 /*****************************************************************************
  * 256KB NOR Flash on BOOT Device
  ****************************************************************************/

 static struct physmap_flash_data lschl_nor_flash_data = {
 	.width = 1,
 };

 static struct resource lschl_nor_flash_resource = {
 	.flags	= IORESOURCE_MEM,
 	.start	= LSCHL_NOR_BOOT_BASE,
 	.end	= LSCHL_NOR_BOOT_BASE + LSCHL_NOR_BOOT_SIZE - 1,
 };

 static struct platform_device lschl_nor_flash = {
 	.name = "physmap-flash",
 	.id = 0,
 	.dev = {
 		.platform_data	= &lschl_nor_flash_data,
 	},
 	.num_resources = 1,
 	.resource = &lschl_nor_flash_resource,
 };

 /*****************************************************************************
  * Ethernet
  ****************************************************************************/

 static struct mv643xx_eth_platform_data lschl_eth_data = {
 	.phy_addr = MV643XX_ETH_PHY_ADDR(8),
 };

 /*****************************************************************************
  * RTC 5C372a on I2C bus
  ****************************************************************************/

 static struct i2c_board_info __initdata lschl_i2c_rtc = {
 	I2C_BOARD_INFO("rs5c372a", 0x32),
 };

 /*****************************************************************************
  * LEDs attached to GPIO
  ****************************************************************************/

 #define LSCHL_GPIO_LED_ALARM	2
 #define LSCHL_GPIO_LED_INFO	3
 #define LSCHL_GPIO_LED_FUNC	17
 #define LSCHL_GPIO_LED_PWR	0

 static struct gpio_led lschl_led_pins[] = {
 	{
 		.name = "alarm:red",
 		.gpio = LSCHL_GPIO_LED_ALARM,
 		.active_low = 1,
 	}, {
 		.name = "info:amber",
 		.gpio = LSCHL_GPIO_LED_INFO,
 		.active_low = 1,
 	}, {
 		.name = "func:blue:top",
 		.gpio = LSCHL_GPIO_LED_FUNC,
 		.active_low = 1,
 	}, {
 		.name = "power:blue:bottom",
 		.gpio = LSCHL_GPIO_LED_PWR,
 	},
 };

 static struct gpio_led_platform_data lschl_led_data = {
 	.leds = lschl_led_pins,
 	.num_leds = ARRAY_SIZE(lschl_led_pins),
 };

 static struct platform_device lschl_leds = {
 	.name = "leds-gpio",
 	.id = -1,
 	.dev = {
 		.platform_data = &lschl_led_data,
 	},
 };

 /*****************************************************************************
  * SATA
  ****************************************************************************/
 static struct mv_sata_platform_data lschl_sata_data = {
 	.n_ports = 2,
 };

 /*****************************************************************************
  * LS-CHL specific power off method: reboot
  ****************************************************************************/
 /*
  * On the LS-CHL, the shutdown process is following:
  * - Userland monitors key events until the power switch goes to off position
  * - The board reboots
  * - U-boot starts and goes into an idle mode waiting for the user
  *   to move the switch to ON position
  *
  */

 static void lschl_power_off(void)
 {
 	orion5x_restart('h', NULL);
 }

 /*****************************************************************************
  * General Setup
  ****************************************************************************/
 #define LSCHL_GPIO_USB_POWER	9
 #define LSCHL_GPIO_AUTO_POWER	17
 #define LSCHL_GPIO_POWER	18

 /****************************************************************************
  * GPIO Attached Keys
  ****************************************************************************/
 #define LSCHL_GPIO_KEY_FUNC		15
 #define LSCHL_GPIO_KEY_POWER		8
 #define LSCHL_GPIO_KEY_AUTOPOWER	10
 #define LSCHL_SW_POWER		0x00
 #define LSCHL_SW_AUTOPOWER	0x01
 #define LSCHL_SW_FUNC		0x02

 static struct gpio_keys_button lschl_buttons[] = {
 	{
 		.type = EV_SW,
 		.code = LSCHL_SW_POWER,
 		.gpio = LSCHL_GPIO_KEY_POWER,
 		.desc = "Power-on Switch",
 		.active_low = 1,
 	}, {
 		.type = EV_SW,
 		.code = LSCHL_SW_AUTOPOWER,
 		.gpio = LSCHL_GPIO_KEY_AUTOPOWER,
 		.desc = "Power-auto Switch",
 		.active_low = 1,
 	}, {
 		.type = EV_SW,
 		.code = LSCHL_SW_FUNC,
 		.gpio = LSCHL_GPIO_KEY_FUNC,
 		.desc = "Function Switch",
 		.active_low = 1,
 	},
 };

 static struct gpio_keys_platform_data lschl_button_data = {
 	.buttons = lschl_buttons,
 	.nbuttons = ARRAY_SIZE(lschl_buttons),
 };

 static struct platform_device lschl_button_device = {
 	.name = "gpio-keys",
 	.id = -1,
 	.num_resources = 0,
 	.dev = {
 		.platform_data = &lschl_button_data,
 	},
 };

 #define LSCHL_GPIO_HDD_POWER	1

 /****************************************************************************
  * GPIO Fan
  ****************************************************************************/

 #define LSCHL_GPIO_FAN_LOW	16
 #define LSCHL_GPIO_FAN_HIGH	14
 #define LSCHL_GPIO_FAN_LOCK	6

 static struct gpio_fan_alarm lschl_alarm = {
 	.gpio = LSCHL_GPIO_FAN_LOCK,
 };

 static struct gpio_fan_speed lschl_speeds[] = {
 	{
 		.rpm = 0,
 		.ctrl_val = 3,
 	}, {
 		.rpm = 1500,
 		.ctrl_val = 2,
 	}, {
 		.rpm = 3250,
 		.ctrl_val = 1,
 	}, {
 		.rpm = 5000,
 		.ctrl_val = 0,
 	},
 };

 static int lschl_gpio_list[] = {
 	LSCHL_GPIO_FAN_HIGH, LSCHL_GPIO_FAN_LOW,
 };

 static struct gpio_fan_platform_data lschl_fan_data = {
 	.num_ctrl = ARRAY_SIZE(lschl_gpio_list),
 	.ctrl = lschl_gpio_list,
 	.alarm = &lschl_alarm,
 	.num_speed = ARRAY_SIZE(lschl_speeds),
 	.speed = lschl_speeds,
 };

 static struct platform_device lschl_fan_device = {
 	.name = "gpio-fan",
 	.id = -1,
 	.num_resources = 0,
 	.dev = {
 		.platform_data = &lschl_fan_data,
 	},
 };

 /****************************************************************************
  * GPIO Data
  ****************************************************************************/

 static unsigned int lschl_mpp_modes[] __initdata = {
 	MPP0_GPIO, /* LED POWER */
 	MPP1_GPIO, /* HDD POWER */
 	MPP2_GPIO, /* LED ALARM */
 	MPP3_GPIO, /* LED INFO */
 	MPP4_UNUSED,
 	MPP5_UNUSED,
 	MPP6_GPIO, /* FAN LOCK */
 	MPP7_GPIO, /* SW INIT */
 	MPP8_GPIO, /* SW POWER */
 	MPP9_GPIO, /* USB POWER */
 	MPP10_GPIO, /* SW AUTO POWER */
 	MPP11_UNUSED,
 	MPP12_UNUSED,
 	MPP13_UNUSED,
 	MPP14_GPIO, /* FAN HIGH */
 	MPP15_GPIO, /* SW FUNC */
 	MPP16_GPIO, /* FAN LOW */
 	MPP17_GPIO, /* LED FUNC */
 	MPP18_UNUSED,
 	MPP19_UNUSED,
 	0,
 };

 static void __init lschl_init(void)
 {
 	/*
 	 * Setup basic Orion functions. Needs to be called early.
 	 */
 	orion5x_init();

 	orion5x_mpp_conf(lschl_mpp_modes);

 	/*
 	 * Configure peripherals.
 	 */
 	orion5x_ehci0_init();
 	orion5x_ehci1_init();
 	orion5x_eth_init(&lschl_eth_data);
 	orion5x_i2c_init();
 	orion5x_sata_init(&lschl_sata_data);
 	orion5x_uart0_init();
 	orion5x_xor_init();

 	mvebu_mbus_add_window("devbus-boot", LSCHL_NOR_BOOT_BASE,
 			      LSCHL_NOR_BOOT_SIZE);
 	platform_device_register(&lschl_nor_flash);

 	platform_device_register(&lschl_leds);

 	platform_device_register(&lschl_button_device);

 	platform_device_register(&lschl_fan_device);

 	i2c_register_board_info(0, &lschl_i2c_rtc, 1);

 	/* usb power on */
 	gpio_set_value(LSCHL_GPIO_USB_POWER, 1);

 	/* register power-off method */
 	pm_power_off = lschl_power_off;

 	pr_info("%s: finished\n", __func__);
 }

 MACHINE_START(LINKSTATION_LSCHL, "Buffalo Linkstation LiveV3 (LS-CHL)")
 	/* Maintainer: Ash Hughes <ashley.hughes@blueyonder.co.uk> */
 	.atag_offset	= 0x100,
 	.init_machine	= lschl_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
 	.init_irq	= orion5x_init_irq,
 	.init_time	= orion5x_timer_init,
 	.fixup		= tag_fixup_mem32,
 	.restart	= orion5x_restart,
 MACHINE_END
	/*
	* arch/arm/mach-orion5x/ls-chl-setup.c
	*
	* Maintainer: Ash Hughes <ashley.hughes@blueyonder.co.uk>
	*
	* This file is licensed under the terms of the GNU General Public
	* License version 2. This program is licensed "as is" without any
	* warranty of any kind, whether express or implied.
	*/

	#include <linux/kernel.h>
	#include <linux/init.h>
	#include <linux/platform_device.h>
	#include <linux/mtd/physmap.h>
	#include <linux/mv643xx_eth.h>
	#include <linux/leds.h>
	#include <linux/gpio_keys.h>
	#include <linux/gpio-fan.h>
	#include <linux/input.h>
	#include <linux/i2c.h>
	#include <linux/ata_platform.h>
	#include <linux/gpio.h>
	#include <asm/mach-types.h>
	#include <asm/mach/arch.h>
	#include <mach/orion5x.h>
	#include "common.h"
	#include "mpp.h"

	/*****************************************************************************
	* Linkstation LS-CHL Info
	****************************************************************************/

	/*
	* 256K NOR flash Device bus boot chip select
	*/

	#define LSCHL_NOR_BOOT_BASE 0xf4000000
	#define LSCHL_NOR_BOOT_SIZE SZ_256K

	/*****************************************************************************
	* 256KB NOR Flash on BOOT Device
	****************************************************************************/

	static struct physmap_flash_data lschl_nor_flash_data = {
	.width = 1,
	};

	static struct resource lschl_nor_flash_resource = {
	.flags = IORESOURCE_MEM,
	.start = LSCHL_NOR_BOOT_BASE,
	.end = LSCHL_NOR_BOOT_BASE + LSCHL_NOR_BOOT_SIZE - 1,
	};

	static struct platform_device lschl_nor_flash = {
	.name = "physmap-flash",
	.id = 0,
	.dev = {
	.platform_data = &lschl_nor_flash_data,
	},
	.num_resources = 1,
	.resource = &lschl_nor_flash_resource,
	};

	/*****************************************************************************
	* Ethernet
	****************************************************************************/

	static struct mv643xx_eth_platform_data lschl_eth_data = {
	.phy_addr = MV643XX_ETH_PHY_ADDR(8),
	};

	/*****************************************************************************
	* RTC 5C372a on I2C bus
	****************************************************************************/

	static struct i2c_board_info __initdata lschl_i2c_rtc = {
	I2C_BOARD_INFO("rs5c372a", 0x32),
	};

	/*****************************************************************************
	* LEDs attached to GPIO
	****************************************************************************/

	#define LSCHL_GPIO_LED_ALARM 2
	#define LSCHL_GPIO_LED_INFO 3
	#define LSCHL_GPIO_LED_FUNC 17
	#define LSCHL_GPIO_LED_PWR 0

	static struct gpio_led lschl_led_pins[] = {
	{
	.name = "alarm:red",
	.gpio = LSCHL_GPIO_LED_ALARM,
	.active_low = 1,
	}, {
	.name = "info:amber",
	.gpio = LSCHL_GPIO_LED_INFO,
	.active_low = 1,
	}, {
	.name = "func:blue:top",
	.gpio = LSCHL_GPIO_LED_FUNC,
	.active_low = 1,
	}, {
	.name = "power:blue:bottom",
	.gpio = LSCHL_GPIO_LED_PWR,
	},
	};

	static struct gpio_led_platform_data lschl_led_data = {
	.leds = lschl_led_pins,
	.num_leds = ARRAY_SIZE(lschl_led_pins),
	};

	static struct platform_device lschl_leds = {
	.name = "leds-gpio",
	.id = -1,
	.dev = {
	.platform_data = &lschl_led_data,
	},
	};

	/*****************************************************************************
	* SATA
	****************************************************************************/
	static struct mv_sata_platform_data lschl_sata_data = {
	.n_ports = 2,
	};

	/*****************************************************************************
	* LS-CHL specific power off method: reboot
	****************************************************************************/
	/*
	* On the LS-CHL, the shutdown process is following:
	* - Userland monitors key events until the power switch goes to off position
	* - The board reboots
	* - U-boot starts and goes into an idle mode waiting for the user
	* to move the switch to ON position
	*
	*/

	static void lschl_power_off(void)
	{
	orion5x_restart('h', NULL);
	}

	/*****************************************************************************
	* General Setup
	****************************************************************************/
	#define LSCHL_GPIO_USB_POWER 9
	#define LSCHL_GPIO_AUTO_POWER 17
	#define LSCHL_GPIO_POWER 18

	/****************************************************************************
	* GPIO Attached Keys
	****************************************************************************/
	#define LSCHL_GPIO_KEY_FUNC 15
	#define LSCHL_GPIO_KEY_POWER 8
	#define LSCHL_GPIO_KEY_AUTOPOWER 10
	#define LSCHL_SW_POWER 0x00
	#define LSCHL_SW_AUTOPOWER 0x01
	#define LSCHL_SW_FUNC 0x02

	static struct gpio_keys_button lschl_buttons[] = {
	{
	.type = EV_SW,
	.code = LSCHL_SW_POWER,
	.gpio = LSCHL_GPIO_KEY_POWER,
	.desc = "Power-on Switch",
	.active_low = 1,
	}, {
	.type = EV_SW,
	.code = LSCHL_SW_AUTOPOWER,
	.gpio = LSCHL_GPIO_KEY_AUTOPOWER,
	.desc = "Power-auto Switch",
	.active_low = 1,
	}, {
	.type = EV_SW,
	.code = LSCHL_SW_FUNC,
	.gpio = LSCHL_GPIO_KEY_FUNC,
	.desc = "Function Switch",
	.active_low = 1,
	},
	};

	static struct gpio_keys_platform_data lschl_button_data = {
	.buttons = lschl_buttons,
	.nbuttons = ARRAY_SIZE(lschl_buttons),
	};

	static struct platform_device lschl_button_device = {
	.name = "gpio-keys",
	.id = -1,
	.num_resources = 0,
	.dev = {
	.platform_data = &lschl_button_data,
	},
	};

	#define LSCHL_GPIO_HDD_POWER 1

	/****************************************************************************
	* GPIO Fan
	****************************************************************************/

	#define LSCHL_GPIO_FAN_LOW 16
	#define LSCHL_GPIO_FAN_HIGH 14
	#define LSCHL_GPIO_FAN_LOCK 6

	static struct gpio_fan_alarm lschl_alarm = {
	.gpio = LSCHL_GPIO_FAN_LOCK,
	};

	static struct gpio_fan_speed lschl_speeds[] = {
	{
	.rpm = 0,
	.ctrl_val = 3,
	}, {
	.rpm = 1500,
	.ctrl_val = 2,
	}, {
	.rpm = 3250,
	.ctrl_val = 1,
	}, {
	.rpm = 5000,
	.ctrl_val = 0,
	},
	};

	static int lschl_gpio_list[] = {
	LSCHL_GPIO_FAN_HIGH, LSCHL_GPIO_FAN_LOW,
	};

	static struct gpio_fan_platform_data lschl_fan_data = {
	.num_ctrl = ARRAY_SIZE(lschl_gpio_list),
	.ctrl = lschl_gpio_list,
	.alarm = &lschl_alarm,
	.num_speed = ARRAY_SIZE(lschl_speeds),
	.speed = lschl_speeds,
	};

	static struct platform_device lschl_fan_device = {
	.name = "gpio-fan",
	.id = -1,
	.num_resources = 0,
	.dev = {
	.platform_data = &lschl_fan_data,
	},
	};

	/****************************************************************************
	* GPIO Data
	****************************************************************************/

	static unsigned int lschl_mpp_modes[] __initdata = {
	MPP0_GPIO, /* LED POWER */
	MPP1_GPIO, /* HDD POWER */
	MPP2_GPIO, /* LED ALARM */
	MPP3_GPIO, /* LED INFO */
	MPP4_UNUSED,
	MPP5_UNUSED,
	MPP6_GPIO, /* FAN LOCK */
	MPP7_GPIO, /* SW INIT */
	MPP8_GPIO, /* SW POWER */
	MPP9_GPIO, /* USB POWER */
	MPP10_GPIO, /* SW AUTO POWER */
	MPP11_UNUSED,
	MPP12_UNUSED,
	MPP13_UNUSED,
	MPP14_GPIO, /* FAN HIGH */
	MPP15_GPIO, /* SW FUNC */
	MPP16_GPIO, /* FAN LOW */
	MPP17_GPIO, /* LED FUNC */
	MPP18_UNUSED,
	MPP19_UNUSED,
	0,
	};

	static void __init lschl_init(void)
	{
	/*
	* Setup basic Orion functions. Needs to be called early.
	*/
	orion5x_init();

	orion5x_mpp_conf(lschl_mpp_modes);

	/*
	* Configure peripherals.
	*/
	orion5x_ehci0_init();
	orion5x_ehci1_init();
	orion5x_eth_init(&lschl_eth_data);
	orion5x_i2c_init();
	orion5x_sata_init(&lschl_sata_data);
	orion5x_uart0_init();
	orion5x_xor_init();

	mvebu_mbus_add_window("devbus-boot", LSCHL_NOR_BOOT_BASE,
	LSCHL_NOR_BOOT_SIZE);
	platform_device_register(&lschl_nor_flash);

	platform_device_register(&lschl_leds);

	platform_device_register(&lschl_button_device);

	platform_device_register(&lschl_fan_device);

	i2c_register_board_info(0, &lschl_i2c_rtc, 1);

	/* usb power on */
	gpio_set_value(LSCHL_GPIO_USB_POWER, 1);

	/* register power-off method */
	pm_power_off = lschl_power_off;

	pr_info("%s: finished\n", __func__);
	}

	MACHINE_START(LINKSTATION_LSCHL, "Buffalo Linkstation LiveV3 (LS-CHL)")
	/* Maintainer: Ash Hughes <ashley.hughes@blueyonder.co.uk> */
	.atag_offset = 0x100,
	.init_machine = lschl_init,
	.map_io = orion5x_map_io,
	.init_early = orion5x_init_early,
	.init_irq = orion5x_init_irq,
	.init_time = orion5x_timer_init,
	.fixup = tag_fixup_mem32,
	.restart = orion5x_restart,
	MACHINE_END