diff options
Diffstat (limited to 'arch/arm/mach-s3c/mach-smartq.c')
| -rw-r--r-- | arch/arm/mach-s3c/mach-smartq.c | 424 |
1 files changed, 0 insertions, 424 deletions
diff --git a/arch/arm/mach-s3c/mach-smartq.c b/arch/arm/mach-s3c/mach-smartq.c deleted file mode 100644 index 5b6e7c2a85ef..000000000000 --- a/arch/arm/mach-s3c/mach-smartq.c +++ /dev/null @@ -1,424 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -// -// Copyright (C) 2010 Maurus Cuelenaere - -#include <linux/delay.h> -#include <linux/fb.h> -#include <linux/gpio.h> -#include <linux/gpio/machine.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/pwm.h> -#include <linux/pwm_backlight.h> -#include <linux/serial_core.h> -#include <linux/serial_s3c.h> -#include <linux/spi/spi_gpio.h> -#include <linux/platform_data/s3c-hsotg.h> - -#include <asm/mach-types.h> -#include <asm/mach/map.h> - -#include "map.h" -#include "regs-gpio.h" -#include "gpio-samsung.h" - -#include "cpu.h" -#include "devs.h" -#include <linux/platform_data/i2c-s3c2410.h> -#include "gpio-cfg.h" -#include <linux/platform_data/hwmon-s3c.h> -#include <linux/platform_data/usb-ohci-s3c2410.h> -#include "sdhci.h" -#include <linux/platform_data/touchscreen-s3c2410.h> - -#include <video/platform_lcd.h> - -#include "s3c64xx.h" -#include "mach-smartq.h" -#include "regs-modem-s3c64xx.h" - -#define UCON S3C2410_UCON_DEFAULT -#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE) -#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE) - -static struct s3c2410_uartcfg smartq_uartcfgs[] __initdata = { - [0] = { - .hwport = 0, - .flags = 0, - .ucon = UCON, - .ulcon = ULCON, - .ufcon = UFCON, - }, - [1] = { - .hwport = 1, - .flags = 0, - .ucon = UCON, - .ulcon = ULCON, - .ufcon = UFCON, - }, - [2] = { - .hwport = 2, - .flags = 0, - .ucon = UCON, - .ulcon = ULCON, - .ufcon = UFCON, - }, -}; - -static void smartq_usb_host_powercontrol(int port, int to) -{ - pr_debug("%s(%d, %d)\n", __func__, port, to); - - if (port == 0) { - gpio_set_value(S3C64XX_GPL(0), to); - gpio_set_value(S3C64XX_GPL(1), to); - } -} - -static irqreturn_t smartq_usb_host_ocirq(int irq, void *pw) -{ - struct s3c2410_hcd_info *info = pw; - - if (gpio_get_value(S3C64XX_GPL(10)) == 0) { - pr_debug("%s: over-current irq (oc detected)\n", __func__); - s3c2410_usb_report_oc(info, 3); - } else { - pr_debug("%s: over-current irq (oc cleared)\n", __func__); - s3c2410_usb_report_oc(info, 0); - } - - return IRQ_HANDLED; -} - -static void smartq_usb_host_enableoc(struct s3c2410_hcd_info *info, int on) -{ - int ret; - - /* This isn't present on a SmartQ 5 board */ - if (machine_is_smartq5()) - return; - - if (on) { - ret = request_irq(gpio_to_irq(S3C64XX_GPL(10)), - smartq_usb_host_ocirq, - IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, - "USB host overcurrent", info); - if (ret != 0) - pr_err("failed to request usb oc irq: %d\n", ret); - } else { - free_irq(gpio_to_irq(S3C64XX_GPL(10)), info); - } -} - -static struct s3c2410_hcd_info smartq_usb_host_info = { - .port[0] = { - .flags = S3C_HCDFLG_USED - }, - .port[1] = { - .flags = 0 - }, - - .power_control = smartq_usb_host_powercontrol, - .enable_oc = smartq_usb_host_enableoc, -}; - -static struct gpiod_lookup_table smartq_usb_otg_vbus_gpiod_table = { - .dev_id = "gpio-vbus", - .table = { - GPIO_LOOKUP("GPL", 9, "vbus", GPIO_ACTIVE_LOW), - { }, - }, -}; - -static struct platform_device smartq_usb_otg_vbus_dev = { - .name = "gpio-vbus", -}; - -static struct pwm_lookup smartq_pwm_lookup[] = { - PWM_LOOKUP("samsung-pwm", 1, "pwm-backlight.0", NULL, - 1000000000 / (1000 * 20), PWM_POLARITY_NORMAL), -}; - -static int smartq_bl_init(struct device *dev) -{ - s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_SFN(2)); - - return 0; -} - -static struct platform_pwm_backlight_data smartq_backlight_data = { - .max_brightness = 1000, - .dft_brightness = 600, - .init = smartq_bl_init, -}; - -static struct platform_device smartq_backlight_device = { - .name = "pwm-backlight", - .dev = { - .parent = &samsung_device_pwm.dev, - .platform_data = &smartq_backlight_data, - }, -}; - -static struct s3c2410_ts_mach_info smartq_touchscreen_pdata __initdata = { - .delay = 65535, - .presc = 99, - .oversampling_shift = 4, -}; - -static struct s3c_sdhci_platdata smartq_internal_hsmmc_pdata = { - .max_width = 4, - .cd_type = S3C_SDHCI_CD_PERMANENT, -}; - -static struct s3c_hwmon_pdata smartq_hwmon_pdata __initdata = { - /* Battery voltage (?-4.2V) */ - .in[0] = &(struct s3c_hwmon_chcfg) { - .name = "smartq:battery-voltage", - .mult = 3300, - .div = 2048, - }, - /* Reference voltage (1.2V) */ - .in[1] = &(struct s3c_hwmon_chcfg) { - .name = "smartq:reference-voltage", - .mult = 3300, - .div = 4096, - }, -}; - -static struct dwc2_hsotg_plat smartq_hsotg_pdata; - -static int __init smartq_lcd_setup_gpio(void) -{ - int ret; - - ret = gpio_request(S3C64XX_GPM(3), "LCD power"); - if (ret < 0) - return ret; - - /* turn power off */ - gpio_direction_output(S3C64XX_GPM(3), 0); - - return 0; -} - -/* GPM0 -> CS */ -static struct spi_gpio_platform_data smartq_lcd_control = { - .num_chipselect = 1, -}; - -static struct platform_device smartq_lcd_control_device = { - .name = "spi_gpio", - .id = 1, - .dev.platform_data = &smartq_lcd_control, -}; - -static struct gpiod_lookup_table smartq_lcd_control_gpiod_table = { - .dev_id = "spi_gpio", - .table = { - GPIO_LOOKUP("GPIOM", 1, - "sck", GPIO_ACTIVE_HIGH), - GPIO_LOOKUP("GPIOM", 2, - "mosi", GPIO_ACTIVE_HIGH), - GPIO_LOOKUP("GPIOM", 3, - "miso", GPIO_ACTIVE_HIGH), - GPIO_LOOKUP("GPIOM", 0, - "cs", GPIO_ACTIVE_HIGH), - { }, - }, -}; - -static void smartq_lcd_power_set(struct plat_lcd_data *pd, unsigned int power) -{ - gpio_direction_output(S3C64XX_GPM(3), power); -} - -static struct plat_lcd_data smartq_lcd_power_data = { - .set_power = smartq_lcd_power_set, -}; - -static struct platform_device smartq_lcd_power_device = { - .name = "platform-lcd", - .dev.parent = &s3c_device_fb.dev, - .dev.platform_data = &smartq_lcd_power_data, -}; - -static struct i2c_board_info smartq_i2c_devs[] __initdata = { - { I2C_BOARD_INFO("wm8987", 0x1a), }, -}; - -static struct platform_device *smartq_devices[] __initdata = { - &s3c_device_hsmmc1, /* Init iNAND first, ... */ - &s3c_device_hsmmc0, /* ... then the external SD card */ - &s3c_device_hsmmc2, - &s3c_device_adc, - &s3c_device_fb, - &s3c_device_hwmon, - &s3c_device_i2c0, - &s3c_device_ohci, - &s3c_device_rtc, - &samsung_device_pwm, - &s3c_device_usb_hsotg, - &s3c64xx_device_iis0, - &smartq_backlight_device, - &smartq_lcd_control_device, - &smartq_lcd_power_device, - &smartq_usb_otg_vbus_dev, -}; - -static void __init smartq_lcd_mode_set(void) -{ - u32 tmp; - - /* set the LCD type */ - tmp = __raw_readl(S3C64XX_SPCON); - tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK; - tmp |= S3C64XX_SPCON_LCD_SEL_RGB; - __raw_writel(tmp, S3C64XX_SPCON); - - /* remove the LCD bypass */ - tmp = __raw_readl(S3C64XX_MODEM_MIFPCON); - tmp &= ~MIFPCON_LCD_BYPASS; - __raw_writel(tmp, S3C64XX_MODEM_MIFPCON); -} - -static void smartq_power_off(void) -{ - gpio_direction_output(S3C64XX_GPK(15), 1); -} - -static int __init smartq_power_off_init(void) -{ - int ret; - - ret = gpio_request(S3C64XX_GPK(15), "Power control"); - if (ret < 0) { - pr_err("%s: failed to get GPK15\n", __func__); - return ret; - } - - /* leave power on */ - gpio_direction_output(S3C64XX_GPK(15), 0); - - pm_power_off = smartq_power_off; - - return ret; -} - -static int __init smartq_usb_host_init(void) -{ - int ret; - - ret = gpio_request(S3C64XX_GPL(0), "USB power control"); - if (ret < 0) { - pr_err("%s: failed to get GPL0\n", __func__); - return ret; - } - - ret = gpio_request(S3C64XX_GPL(1), "USB host power control"); - if (ret < 0) { - pr_err("%s: failed to get GPL1\n", __func__); - goto err; - } - - if (!machine_is_smartq5()) { - /* This isn't present on a SmartQ 5 board */ - ret = gpio_request(S3C64XX_GPL(10), "USB host overcurrent"); - if (ret < 0) { - pr_err("%s: failed to get GPL10\n", __func__); - goto err2; - } - } - - /* turn power off */ - gpio_direction_output(S3C64XX_GPL(0), 0); - gpio_direction_output(S3C64XX_GPL(1), 0); - if (!machine_is_smartq5()) - gpio_direction_input(S3C64XX_GPL(10)); - - s3c_device_ohci.dev.platform_data = &smartq_usb_host_info; - - return 0; - -err2: - gpio_free(S3C64XX_GPL(1)); -err: - gpio_free(S3C64XX_GPL(0)); - return ret; -} - -static int __init smartq_wifi_init(void) -{ - int ret; - - ret = gpio_request(S3C64XX_GPK(1), "wifi control"); - if (ret < 0) { - pr_err("%s: failed to get GPK1\n", __func__); - return ret; - } - - ret = gpio_request(S3C64XX_GPK(2), "wifi reset"); - if (ret < 0) { - pr_err("%s: failed to get GPK2\n", __func__); - gpio_free(S3C64XX_GPK(1)); - return ret; - } - - /* turn power on */ - gpio_direction_output(S3C64XX_GPK(1), 1); - - /* reset device */ - gpio_direction_output(S3C64XX_GPK(2), 0); - mdelay(100); - gpio_set_value(S3C64XX_GPK(2), 1); - gpio_direction_input(S3C64XX_GPK(2)); - - return 0; -} - -static struct map_desc smartq_iodesc[] __initdata = {}; -void __init smartq_map_io(void) -{ - s3c64xx_init_io(smartq_iodesc, ARRAY_SIZE(smartq_iodesc)); - s3c64xx_set_xtal_freq(12000000); - s3c64xx_set_xusbxti_freq(12000000); - s3c24xx_init_uarts(smartq_uartcfgs, ARRAY_SIZE(smartq_uartcfgs)); - s3c64xx_set_timer_source(S3C64XX_PWM3, S3C64XX_PWM4); - - smartq_lcd_mode_set(); -} - -static struct gpiod_lookup_table smartq_audio_gpios = { - .dev_id = "smartq-audio", - .table = { - GPIO_LOOKUP("GPL", 12, "headphone detect", 0), - GPIO_LOOKUP("GPK", 12, "amplifiers shutdown", 0), - { }, - }, -}; - -void __init smartq_machine_init(void) -{ - s3c_i2c0_set_platdata(NULL); - dwc2_hsotg_set_platdata(&smartq_hsotg_pdata); - s3c_hwmon_set_platdata(&smartq_hwmon_pdata); - s3c_sdhci1_set_platdata(&smartq_internal_hsmmc_pdata); - s3c_sdhci2_set_platdata(&smartq_internal_hsmmc_pdata); - s3c64xx_ts_set_platdata(&smartq_touchscreen_pdata); - - i2c_register_board_info(0, smartq_i2c_devs, - ARRAY_SIZE(smartq_i2c_devs)); - - WARN_ON(smartq_lcd_setup_gpio()); - WARN_ON(smartq_power_off_init()); - WARN_ON(smartq_usb_host_init()); - WARN_ON(smartq_wifi_init()); - - pwm_add_table(smartq_pwm_lookup, ARRAY_SIZE(smartq_pwm_lookup)); - gpiod_add_lookup_table(&smartq_lcd_control_gpiod_table); - gpiod_add_lookup_table(&smartq_usb_otg_vbus_gpiod_table); - platform_add_devices(smartq_devices, ARRAY_SIZE(smartq_devices)); - - gpiod_add_lookup_table(&smartq_audio_gpios); - platform_device_register_simple("smartq-audio", -1, NULL, 0); -} |