[PATCH] ARM: S3C6410: Add basic support for SmartQ machines
Ben Dooks
ben at trinity.fluff.org
Thu May 20 09:32:50 EDT 2010
On Thu, May 20, 2010 at 11:35:50AM +0200, Maurus Cuelenaere wrote:
> This adds new machine definitions for the SmartQ 5 and 7.
ok, merged.
> Signed-off-by: Maurus Cuelenaere <mcuelenaere at gmail.com>
> ---
> arch/arm/mach-s3c64xx/Kconfig | 31 +++
> arch/arm/mach-s3c64xx/Makefile | 3 +
> arch/arm/mach-s3c64xx/mach-smartq.c | 363 ++++++++++++++++++++++++++++++++++
> arch/arm/mach-s3c64xx/mach-smartq.h | 20 ++
> arch/arm/mach-s3c64xx/mach-smartq5.c | 185 +++++++++++++++++
> arch/arm/mach-s3c64xx/mach-smartq7.c | 201 +++++++++++++++++++
> 6 files changed, 803 insertions(+), 0 deletions(-)
> create mode 100644 arch/arm/mach-s3c64xx/mach-smartq.c
> create mode 100644 arch/arm/mach-s3c64xx/mach-smartq.h
> create mode 100644 arch/arm/mach-s3c64xx/mach-smartq5.c
> create mode 100644 arch/arm/mach-s3c64xx/mach-smartq7.c
>
> diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
> index 69e9fbf..ad32cf4 100644
> --- a/arch/arm/mach-s3c64xx/Kconfig
> +++ b/arch/arm/mach-s3c64xx/Kconfig
> @@ -179,3 +179,34 @@ config MACH_HMT
> select HAVE_PWM
> help
> Machine support for the Airgoo HMT
> +
> +config MACH_SMARTQ
> + bool
> + select CPU_S3C6410
> + select S3C_DEV_HSMMC
> + select S3C_DEV_HSMMC1
> + select S3C_DEV_HSMMC2
> + select S3C_DEV_FB
> + select S3C_DEV_HWMON
> + select S3C_DEV_RTC
> + select S3C_DEV_USB_HSOTG
> + select S3C_DEV_USB_HOST
> + select S3C64XX_SETUP_SDHCI
> + select S3C64XX_SETUP_FB_24BPP
> + select SAMSUNG_DEV_ADC
> + select SAMSUNG_DEV_TS
> + select HAVE_PWM
> + help
> + Shared machine support for SmartQ 5/7
> +
> +config MACH_SMARTQ5
> + bool "SmartQ 5"
> + select MACH_SMARTQ
> + help
> + Machine support for the SmartQ 5
> +
> +config MACH_SMARTQ7
> + bool "SmartQ 7"
> + select MACH_SMARTQ
> + help
> + Machine support for the SmartQ 7
> diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile
> index a10f1fc..39ef55e 100644
> --- a/arch/arm/mach-s3c64xx/Makefile
> +++ b/arch/arm/mach-s3c64xx/Makefile
> @@ -52,6 +52,9 @@ obj-$(CONFIG_MACH_SMDK6400) += mach-smdk6400.o
> obj-$(CONFIG_MACH_SMDK6410) += mach-smdk6410.o
> obj-$(CONFIG_MACH_NCP) += mach-ncp.o
> obj-$(CONFIG_MACH_HMT) += mach-hmt.o
> +obj-$(CONFIG_MACH_SMARTQ) += mach-smartq.o
> +obj-$(CONFIG_MACH_SMARTQ5) += mach-smartq5.o
> +obj-$(CONFIG_MACH_SMARTQ7) += mach-smartq7.o
>
> # device support
>
> diff --git a/arch/arm/mach-s3c64xx/mach-smartq.c b/arch/arm/mach-s3c64xx/mach-smartq.c
> new file mode 100644
> index 0000000..028d080
> --- /dev/null
> +++ b/arch/arm/mach-s3c64xx/mach-smartq.c
> @@ -0,0 +1,363 @@
> +/*
> + * linux/arch/arm/mach-s3c64xx/mach-smartq.c
> + *
> + * Copyright (C) 2010 Maurus Cuelenaere
> + *
> + * 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/fb.h>
> +#include <linux/gpio.h>
> +#include <linux/init.h>
> +#include <linux/platform_device.h>
> +#include <linux/pwm_backlight.h>
> +#include <linux/serial_core.h>
> +#include <linux/usb/gpio_vbus.h>
> +
> +#include <asm/mach-types.h>
> +#include <asm/mach/map.h>
> +
> +#include <mach/map.h>
> +#include <mach/regs-gpio.h>
> +#include <mach/regs-modem.h>
> +
> +#include <plat/clock.h>
> +#include <plat/cpu.h>
> +#include <plat/devs.h>
> +#include <plat/iic.h>
> +#include <plat/gpio-cfg.h>
> +#include <plat/hwmon.h>
> +#include <plat/regs-serial.h>
> +#include <plat/udc-hs.h>
> +#include <plat/usb-control.h>
> +#include <plat/sdhci.h>
> +#include <plat/ts.h>
> +
> +#include <video/platform_lcd.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_DISABLED |
> + 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 gpio_vbus_mach_info smartq_usb_otg_vbus_pdata = {
> + .gpio_vbus = S3C64XX_GPL(9),
> + .gpio_pullup = -1,
> + .gpio_vbus_inverted = true,
> +};
> +
> +static struct platform_device smartq_usb_otg_vbus_dev = {
> + .name = "gpio-vbus",
> + .dev.platform_data = &smartq_usb_otg_vbus_pdata,
> +};
> +
> +static int __init 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 = {
> + .pwm_id = 1,
> + .max_brightness = 1000,
> + .dft_brightness = 600,
> + .pwm_period_ns = 1000000000 / (1000 * 20),
> + .init = smartq_bl_init,
> +};
> +
> +static struct platform_device smartq_backlight_device = {
> + .name = "pwm-backlight",
> + .dev = {
> + .parent = &s3c_device_timer[1].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,
> + /*.broken_card_detection = true,*/
> +};
> +
> +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 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 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,
> + &s3c_device_timer[1],
> + &s3c_device_ts,
> + &s3c_device_usb_hsotg,
> + &smartq_backlight_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_usb_otg_init(void)
> +{
> + clk_xusbxti.rate = 12000000;
> +
> + return 0;
> +}
> +
> +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));
> + s3c24xx_init_clocks(12000000);
> + s3c24xx_init_uarts(smartq_uartcfgs, ARRAY_SIZE(smartq_uartcfgs));
> +
> + smartq_lcd_mode_set();
> +}
> +
> +void __init smartq_machine_init(void)
> +{
> + s3c_i2c0_set_platdata(NULL);
> + s3c_hwmon_set_platdata(&smartq_hwmon_pdata);
> + s3c_sdhci1_set_platdata(&smartq_internal_hsmmc_pdata);
> + s3c_sdhci2_set_platdata(&smartq_internal_hsmmc_pdata);
> + s3c24xx_ts_set_platdata(&smartq_touchscreen_pdata);
> +
> + WARN_ON(smartq_power_off_init());
> + WARN_ON(smartq_usb_host_init());
> + WARN_ON(smartq_usb_otg_init());
> + WARN_ON(smartq_wifi_init());
> +
> + platform_add_devices(smartq_devices, ARRAY_SIZE(smartq_devices));
> +}
> diff --git a/arch/arm/mach-s3c64xx/mach-smartq.h b/arch/arm/mach-s3c64xx/mach-smartq.h
> new file mode 100644
> index 0000000..8e8b693
> --- /dev/null
> +++ b/arch/arm/mach-s3c64xx/mach-smartq.h
> @@ -0,0 +1,20 @@
> +/*
> + * linux/arch/arm/mach-s3c64xx/mach-smartq.h
> + *
> + * Copyright (C) 2010 Maurus Cuelenaere
> + *
> + * 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.
> + *
> + */
> +
> +#ifndef __MACH_SMARTQ_H
> +#define __MACH_SMARTQ_H __FILE__
> +
> +#include <linux/init.h>
> +
> +extern void __init smartq_map_io(void);
> +extern void __init smartq_machine_init(void);
> +
> +#endif /* __MACH_SMARTQ_H */
> diff --git a/arch/arm/mach-s3c64xx/mach-smartq5.c b/arch/arm/mach-s3c64xx/mach-smartq5.c
> new file mode 100644
> index 0000000..1d0326e
> --- /dev/null
> +++ b/arch/arm/mach-s3c64xx/mach-smartq5.c
> @@ -0,0 +1,185 @@
> +/*
> + * linux/arch/arm/mach-s3c64xx/mach-smartq5.c
> + *
> + * Copyright (C) 2010 Maurus Cuelenaere
> + *
> + * 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/fb.h>
> +#include <linux/gpio.h>
> +#include <linux/gpio_keys.h>
> +#include <linux/i2c-gpio.h>
> +#include <linux/init.h>
> +#include <linux/input.h>
> +#include <linux/leds.h>
> +#include <linux/platform_device.h>
> +
> +#include <asm/mach-types.h>
> +#include <asm/mach/arch.h>
> +
> +#include <mach/map.h>
> +#include <mach/regs-fb.h>
> +#include <mach/regs-gpio.h>
> +#include <mach/s3c6410.h>
> +
> +#include <plat/cpu.h>
> +#include <plat/devs.h>
> +#include <plat/fb.h>
> +#include <plat/gpio-cfg.h>
> +
> +#include "mach-smartq.h"
> +
> +static void __init smartq5_lcd_setup_gpio(void)
> +{
> + gpio_request(S3C64XX_GPM(0), "LCD SCEN pin");
> + gpio_request(S3C64XX_GPM(1), "LCD SCL pin");
> + gpio_request(S3C64XX_GPM(2), "LCD SDA pin");
> + gpio_request(S3C64XX_GPM(3), "LCD power");
> +
> + /* turn power off */
> + gpio_direction_output(S3C64XX_GPM(0), 1);
> + gpio_direction_input(S3C64XX_GPM(1));
> + gpio_direction_input(S3C64XX_GPM(2));
> + gpio_direction_output(S3C64XX_GPM(3), 0);
> +}
> +
> +static struct i2c_gpio_platform_data smartq5_lcd_control = {
> + .sda_pin = S3C64XX_GPM(2),
> + .scl_pin = S3C64XX_GPM(1),
> +};
> +
> +static struct platform_device smartq5_lcd_control_device = {
> + .name = "i2c-gpio",
> + .id = 1,
> + .dev.platform_data = &smartq5_lcd_control,
> +};
> +
> +static struct gpio_led smartq5_leds[] __initdata = {
> + {
> + .name = "smartq5:green",
> + .active_low = 1,
> + .gpio = S3C64XX_GPN(8),
> + },
> + {
> + .name = "smartq5:red",
> + .active_low = 1,
> + .gpio = S3C64XX_GPN(9),
> + },
> +};
> +
> +static struct gpio_led_platform_data smartq5_led_data = {
> + .num_leds = ARRAY_SIZE(smartq5_leds),
> + .leds = smartq5_leds,
> +};
> +
> +static struct platform_device smartq5_leds_device = {
> + .name = "leds-gpio",
> + .id = -1,
> + .dev.platform_data = &smartq5_led_data,
> +};
> +
> +/* Labels according to the SmartQ manual */
> +static struct gpio_keys_button smartq5_buttons[] = {
> + {
> + .gpio = S3C64XX_GPL(14),
> + .code = KEY_POWER,
> + .desc = "Power",
> + .active_low = 1,
> + .debounce_interval = 5,
> + .type = EV_KEY,
> + },
> + {
> + .gpio = S3C64XX_GPN(2),
> + .code = KEY_KPMINUS,
> + .desc = "Minus",
> + .active_low = 1,
> + .debounce_interval = 5,
> + .type = EV_KEY,
> + },
> + {
> + .gpio = S3C64XX_GPN(12),
> + .code = KEY_KPPLUS,
> + .desc = "Plus",
> + .active_low = 1,
> + .debounce_interval = 5,
> + .type = EV_KEY,
> + },
> + {
> + .gpio = S3C64XX_GPN(15),
> + .code = KEY_ENTER,
> + .desc = "Move",
> + .active_low = 1,
> + .debounce_interval = 5,
> + .type = EV_KEY,
> + },
> +};
> +
> +static struct gpio_keys_platform_data smartq5_buttons_data = {
> + .buttons = smartq5_buttons,
> + .nbuttons = ARRAY_SIZE(smartq5_buttons),
> +};
> +
> +static struct platform_device smartq5_buttons_device = {
> + .name = "gpio-keys",
> + .id = 0,
> + .num_resources = 0,
> + .dev = {
> + .platform_data = &smartq5_buttons_data,
> + }
> +};
> +
> +static struct s3c_fb_pd_win smartq5_fb_win0 = {
> + .win_mode = {
> + .pixclock = 1000000000000ULL /
> + ((40+1+216+800)*(10+1+35+480)*80),
> + .left_margin = 40,
> + .right_margin = 216,
> + .upper_margin = 10,
> + .lower_margin = 35,
> + .hsync_len = 1,
> + .vsync_len = 1,
> + .xres = 800,
> + .yres = 480,
> + },
> + .max_bpp = 32,
> + .default_bpp = 16,
> +};
> +
> +static struct s3c_fb_platdata smartq5_lcd_pdata __initdata = {
> + .setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
> + .win[0] = &smartq5_fb_win0,
> + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
> + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC |
> + VIDCON1_INV_VDEN,
> +};
> +
> +static struct platform_device *smartq5_devices[] __initdata = {
> + &smartq5_leds_device,
> + &smartq5_buttons_device,
> + &smartq5_lcd_control_device,
> +};
> +
> +static void __init smartq5_machine_init(void)
> +{
> + s3c_fb_set_platdata(&smartq5_lcd_pdata);
> +
> + smartq_machine_init();
> + smartq5_lcd_setup_gpio();
> +
> + platform_add_devices(smartq5_devices, ARRAY_SIZE(smartq5_devices));
> +}
> +
> +MACHINE_START(SMARTQ5, "SmartQ 5")
> + /* Maintainer: Maurus Cuelenaere <mcuelenaere AT gmail DOT com> */
> + .phys_io = S3C_PA_UART & 0xfff00000,
> + .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
> + .boot_params = S3C64XX_PA_SDRAM + 0x100,
> + .init_irq = s3c6410_init_irq,
> + .map_io = smartq_map_io,
> + .init_machine = smartq5_machine_init,
> + .timer = &s3c24xx_timer,
> +MACHINE_END
> diff --git a/arch/arm/mach-s3c64xx/mach-smartq7.c b/arch/arm/mach-s3c64xx/mach-smartq7.c
> new file mode 100644
> index 0000000..e0bc78e
> --- /dev/null
> +++ b/arch/arm/mach-s3c64xx/mach-smartq7.c
> @@ -0,0 +1,201 @@
> +/*
> + * linux/arch/arm/mach-s3c64xx/mach-smartq7.c
> + *
> + * Copyright (C) 2010 Maurus Cuelenaere
> + *
> + * 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/fb.h>
> +#include <linux/gpio.h>
> +#include <linux/gpio_keys.h>
> +#include <linux/i2c-gpio.h>
> +#include <linux/init.h>
> +#include <linux/input.h>
> +#include <linux/leds.h>
> +#include <linux/platform_device.h>
> +
> +#include <asm/mach-types.h>
> +#include <asm/mach/arch.h>
> +
> +#include <mach/map.h>
> +#include <mach/regs-fb.h>
> +#include <mach/regs-gpio.h>
> +#include <mach/s3c6410.h>
> +
> +#include <plat/cpu.h>
> +#include <plat/devs.h>
> +#include <plat/fb.h>
> +#include <plat/gpio-cfg.h>
> +
> +#include "mach-smartq.h"
> +
> +static void __init smartq7_lcd_setup_gpio(void)
> +{
> + gpio_request(S3C64XX_GPM(0), "LCD CSB pin");
> + gpio_request(S3C64XX_GPM(3), "LCD power");
> + gpio_request(S3C64XX_GPM(4), "LCD power status");
> +
> + /* turn power off */
> + gpio_direction_output(S3C64XX_GPM(0), 1);
> + gpio_direction_output(S3C64XX_GPM(3), 0);
> + gpio_direction_input(S3C64XX_GPM(4));
> +}
> +
> +static struct i2c_gpio_platform_data smartq7_lcd_control = {
> + .sda_pin = S3C64XX_GPM(2),
> + .scl_pin = S3C64XX_GPM(1),
> + .sda_is_open_drain = 1,
> + .scl_is_open_drain = 1,
> +};
> +
> +static struct platform_device smartq7_lcd_control_device = {
> + .name = "i2c-gpio",
> + .id = 1,
> + .dev.platform_data = &smartq7_lcd_control,
> +};
> +
> +static struct gpio_led smartq7_leds[] __initdata = {
> + {
> + .name = "smartq7:red",
> + .active_low = 1,
> + .gpio = S3C64XX_GPN(8),
> + },
> + {
> + .name = "smartq7:green",
> + .active_low = 1,
> + .gpio = S3C64XX_GPN(9),
> + },
> +};
> +
> +static struct gpio_led_platform_data smartq7_led_data = {
> + .num_leds = ARRAY_SIZE(smartq7_leds),
> + .leds = smartq7_leds,
> +};
> +
> +static struct platform_device smartq7_leds_device = {
> + .name = "leds-gpio",
> + .id = -1,
> + .dev.platform_data = &smartq7_led_data,
> +};
> +
> +/* Labels according to the SmartQ manual */
> +static struct gpio_keys_button smartq7_buttons[] = {
> + {
> + .gpio = S3C64XX_GPL(14),
> + .code = KEY_POWER,
> + .desc = "Power",
> + .active_low = 1,
> + .debounce_interval = 5,
> + .type = EV_KEY,
> + },
> + {
> + .gpio = S3C64XX_GPN(2),
> + .code = KEY_FN,
> + .desc = "Function",
> + .active_low = 1,
> + .debounce_interval = 5,
> + .type = EV_KEY,
> + },
> + {
> + .gpio = S3C64XX_GPN(3),
> + .code = KEY_KPMINUS,
> + .desc = "Minus",
> + .active_low = 1,
> + .debounce_interval = 5,
> + .type = EV_KEY,
> + },
> + {
> + .gpio = S3C64XX_GPN(4),
> + .code = KEY_KPPLUS,
> + .desc = "Plus",
> + .active_low = 1,
> + .debounce_interval = 5,
> + .type = EV_KEY,
> + },
> + {
> + .gpio = S3C64XX_GPN(12),
> + .code = KEY_ENTER,
> + .desc = "Enter",
> + .active_low = 1,
> + .debounce_interval = 5,
> + .type = EV_KEY,
> + },
> + {
> + .gpio = S3C64XX_GPN(15),
> + .code = KEY_ESC,
> + .desc = "Cancel",
> + .active_low = 1,
> + .debounce_interval = 5,
> + .type = EV_KEY,
> + },
> +};
> +
> +static struct gpio_keys_platform_data smartq7_buttons_data = {
> + .buttons = smartq7_buttons,
> + .nbuttons = ARRAY_SIZE(smartq7_buttons),
> +};
> +
> +static struct platform_device smartq7_buttons_device = {
> + .name = "gpio-keys",
> + .id = 0,
> + .num_resources = 0,
> + .dev = {
> + .platform_data = &smartq7_buttons_data,
> + }
> +};
> +
> +static struct s3c_fb_pd_win smartq7_fb_win0 = {
> + .win_mode = {
> + .pixclock = 1000000000000ULL /
> + ((3+10+5+800)*(1+3+20+480)*80),
> + .left_margin = 3,
> + .right_margin = 5,
> + .upper_margin = 1,
> + .lower_margin = 20,
> + .hsync_len = 10,
> + .vsync_len = 3,
> + .xres = 800,
> + .yres = 480,
> + },
> + .max_bpp = 32,
> + .default_bpp = 16,
> +};
> +
> +static struct s3c_fb_platdata smartq7_lcd_pdata __initdata = {
> + .setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
> + .win[0] = &smartq7_fb_win0,
> + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
> + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC |
> + VIDCON1_INV_VCLK,
> +};
> +
> +static struct platform_device *smartq7_devices[] __initdata = {
> + &smartq7_leds_device,
> + &smartq7_buttons_device,
> + &smartq7_lcd_control_device,
> +};
> +
> +static void __init smartq7_machine_init(void)
> +{
> + s3c_fb_set_platdata(&smartq7_lcd_pdata);
> +
> + smartq_machine_init();
> + smartq7_lcd_setup_gpio();
> +
> + platform_add_devices(smartq7_devices, ARRAY_SIZE(smartq7_devices));
> +}
> +
> +MACHINE_START(SMARTQ7, "SmartQ 7")
> + /* Maintainer: Maurus Cuelenaere <mcuelenaere AT gmail DOT com> */
> + .phys_io = S3C_PA_UART & 0xfff00000,
> + .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
> + .boot_params = S3C64XX_PA_SDRAM + 0x100,
> + .init_irq = s3c6410_init_irq,
> + .map_io = smartq_map_io,
> + .init_machine = smartq7_machine_init,
> + .timer = &s3c24xx_timer,
> +MACHINE_END
> --
> 1.7.1
>
--
--
Ben
Q: What's a light-year?
A: One-third less calories than a regular year.
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