a3323b72b9
When used with the WM1190-EV1 board we can use the internal pull up resistor of the CPU to provide the required pull for the IRQ line. Without this interrupts from the WM835x don't work in the default WM1190-EV1 hardwaer configuration. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
404 lines
9.3 KiB
C
404 lines
9.3 KiB
C
/* linux/arch/arm/mach-s3c6410/mach-smdk6410.c
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*
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* Copyright 2008 Openmoko, Inc.
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* Copyright 2008 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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* http://armlinux.simtec.co.uk/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/timer.h>
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#include <linux/init.h>
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#include <linux/serial_core.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <linux/i2c.h>
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#include <linux/fb.h>
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#include <linux/gpio.h>
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#include <linux/delay.h>
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#include <linux/smsc911x.h>
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#ifdef CONFIG_SMDK6410_WM1190_EV1
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#include <linux/mfd/wm8350/core.h>
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#include <linux/mfd/wm8350/pmic.h>
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#endif
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#include <video/platform_lcd.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <mach/hardware.h>
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#include <mach/regs-fb.h>
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#include <mach/map.h>
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#include <asm/irq.h>
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#include <asm/mach-types.h>
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#include <plat/regs-serial.h>
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#include <plat/regs-modem.h>
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#include <plat/regs-gpio.h>
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#include <plat/regs-sys.h>
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#include <plat/iic.h>
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#include <plat/fb.h>
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#include <plat/gpio-cfg.h>
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#include <plat/s3c6410.h>
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#include <plat/clock.h>
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#include <plat/devs.h>
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#include <plat/cpu.h>
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#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
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#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
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#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
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static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = {
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[0] = {
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.hwport = 0,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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},
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[1] = {
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.hwport = 1,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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},
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[2] = {
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.hwport = 2,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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},
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[3] = {
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.hwport = 3,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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},
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};
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/* framebuffer and LCD setup. */
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/* GPF15 = LCD backlight control
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* GPF13 => Panel power
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* GPN5 = LCD nRESET signal
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* PWM_TOUT1 => backlight brightness
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*/
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static void smdk6410_lcd_power_set(struct plat_lcd_data *pd,
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unsigned int power)
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{
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if (power) {
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gpio_direction_output(S3C64XX_GPF(13), 1);
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gpio_direction_output(S3C64XX_GPF(15), 1);
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/* fire nRESET on power up */
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gpio_direction_output(S3C64XX_GPN(5), 0);
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msleep(10);
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gpio_direction_output(S3C64XX_GPN(5), 1);
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msleep(1);
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} else {
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gpio_direction_output(S3C64XX_GPF(15), 0);
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gpio_direction_output(S3C64XX_GPF(13), 0);
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}
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}
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static struct plat_lcd_data smdk6410_lcd_power_data = {
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.set_power = smdk6410_lcd_power_set,
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};
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static struct platform_device smdk6410_lcd_powerdev = {
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.name = "platform-lcd",
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.dev.parent = &s3c_device_fb.dev,
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.dev.platform_data = &smdk6410_lcd_power_data,
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};
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static struct s3c_fb_pd_win smdk6410_fb_win0 = {
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/* this is to ensure we use win0 */
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.win_mode = {
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.pixclock = 41094,
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.left_margin = 8,
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.right_margin = 13,
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.upper_margin = 7,
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.lower_margin = 5,
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.hsync_len = 3,
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.vsync_len = 1,
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.xres = 800,
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.yres = 480,
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},
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.max_bpp = 32,
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.default_bpp = 16,
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};
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/* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */
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static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = {
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.setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
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.win[0] = &smdk6410_fb_win0,
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.vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
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.vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
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};
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static struct resource smdk6410_smsc911x_resources[] = {
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[0] = {
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.start = 0x18000000,
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.end = 0x18000000 + SZ_64K - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = S3C_EINT(10),
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.end = S3C_EINT(10),
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.flags = IORESOURCE_IRQ | IRQ_TYPE_LEVEL_LOW,
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},
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};
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static struct smsc911x_platform_config smdk6410_smsc911x_pdata = {
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.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
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.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
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.flags = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY,
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.phy_interface = PHY_INTERFACE_MODE_MII,
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};
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static struct platform_device smdk6410_smsc911x = {
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.name = "smsc911x",
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.id = -1,
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.num_resources = ARRAY_SIZE(smdk6410_smsc911x_resources),
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.resource = &smdk6410_smsc911x_resources[0],
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.dev = {
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.platform_data = &smdk6410_smsc911x_pdata,
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},
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};
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static struct map_desc smdk6410_iodesc[] = {};
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static struct platform_device *smdk6410_devices[] __initdata = {
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#ifdef CONFIG_SMDK6410_SD_CH0
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&s3c_device_hsmmc0,
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#endif
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#ifdef CONFIG_SMDK6410_SD_CH1
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&s3c_device_hsmmc1,
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#endif
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&s3c_device_i2c0,
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&s3c_device_i2c1,
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&s3c_device_fb,
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&s3c_device_usb,
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&s3c_device_usb_hsotg,
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&smdk6410_lcd_powerdev,
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&smdk6410_smsc911x,
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};
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#ifdef CONFIG_SMDK6410_WM1190_EV1
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/* S3C64xx internal logic & PLL */
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static struct regulator_init_data wm8350_dcdc1_data = {
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.constraints = {
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.name = "PVDD_INT/PVDD_PLL",
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.min_uV = 1200000,
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.max_uV = 1200000,
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.always_on = 1,
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.apply_uV = 1,
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},
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};
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/* Memory */
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static struct regulator_init_data wm8350_dcdc3_data = {
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.constraints = {
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.name = "PVDD_MEM",
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.min_uV = 1800000,
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.max_uV = 1800000,
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.always_on = 1,
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.state_mem = {
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.uV = 1800000,
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.mode = REGULATOR_MODE_NORMAL,
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.enabled = 1,
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},
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.initial_state = PM_SUSPEND_MEM,
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},
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};
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/* USB, EXT, PCM, ADC/DAC, USB, MMC */
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static struct regulator_init_data wm8350_dcdc4_data = {
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.constraints = {
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.name = "PVDD_HI/PVDD_EXT/PVDD_SYS/PVCCM2MTV",
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.min_uV = 3000000,
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.max_uV = 3000000,
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.always_on = 1,
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},
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};
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/* ARM core */
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static struct regulator_consumer_supply dcdc6_consumers[] = {
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{
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.supply = "vddarm",
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}
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};
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static struct regulator_init_data wm8350_dcdc6_data = {
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.constraints = {
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.name = "PVDD_ARM",
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.min_uV = 1000000,
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.max_uV = 1300000,
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.always_on = 1,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
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},
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.num_consumer_supplies = ARRAY_SIZE(dcdc6_consumers),
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.consumer_supplies = dcdc6_consumers,
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};
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/* Alive */
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static struct regulator_init_data wm8350_ldo1_data = {
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.constraints = {
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.name = "PVDD_ALIVE",
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.min_uV = 1200000,
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.max_uV = 1200000,
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.always_on = 1,
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.apply_uV = 1,
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},
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};
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/* OTG */
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static struct regulator_init_data wm8350_ldo2_data = {
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.constraints = {
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.name = "PVDD_OTG",
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.min_uV = 3300000,
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.max_uV = 3300000,
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.always_on = 1,
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},
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};
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/* LCD */
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static struct regulator_init_data wm8350_ldo3_data = {
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.constraints = {
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.name = "PVDD_LCD",
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.min_uV = 3000000,
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.max_uV = 3000000,
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.always_on = 1,
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},
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};
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/* OTGi/1190-EV1 HPVDD & AVDD */
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static struct regulator_init_data wm8350_ldo4_data = {
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.constraints = {
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.name = "PVDD_OTGI/HPVDD/AVDD",
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.min_uV = 1200000,
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.max_uV = 1200000,
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.apply_uV = 1,
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.always_on = 1,
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},
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};
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static struct {
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int regulator;
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struct regulator_init_data *initdata;
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} wm1190_regulators[] = {
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{ WM8350_DCDC_1, &wm8350_dcdc1_data },
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{ WM8350_DCDC_3, &wm8350_dcdc3_data },
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{ WM8350_DCDC_4, &wm8350_dcdc4_data },
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{ WM8350_DCDC_6, &wm8350_dcdc6_data },
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{ WM8350_LDO_1, &wm8350_ldo1_data },
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{ WM8350_LDO_2, &wm8350_ldo2_data },
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{ WM8350_LDO_3, &wm8350_ldo3_data },
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{ WM8350_LDO_4, &wm8350_ldo4_data },
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};
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static int __init smdk6410_wm8350_init(struct wm8350 *wm8350)
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{
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int i;
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/* Configure the IRQ line */
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s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP);
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/* Instantiate the regulators */
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for (i = 0; i < ARRAY_SIZE(wm1190_regulators); i++)
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wm8350_register_regulator(wm8350,
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wm1190_regulators[i].regulator,
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wm1190_regulators[i].initdata);
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return 0;
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}
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static struct wm8350_platform_data __initdata smdk6410_wm8350_pdata = {
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.init = smdk6410_wm8350_init,
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.irq_high = 1,
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};
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#endif
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static struct i2c_board_info i2c_devs0[] __initdata = {
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{ I2C_BOARD_INFO("24c08", 0x50), },
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{ I2C_BOARD_INFO("wm8580", 0x1b), },
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#ifdef CONFIG_SMDK6410_WM1190_EV1
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{ I2C_BOARD_INFO("wm8350", 0x1a),
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.platform_data = &smdk6410_wm8350_pdata,
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.irq = S3C_EINT(12),
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},
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#endif
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};
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static struct i2c_board_info i2c_devs1[] __initdata = {
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{ I2C_BOARD_INFO("24c128", 0x57), }, /* Samsung S524AD0XD1 */
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};
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static void __init smdk6410_map_io(void)
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{
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u32 tmp;
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s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc));
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s3c24xx_init_clocks(12000000);
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s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs));
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/* set the LCD type */
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tmp = __raw_readl(S3C64XX_SPCON);
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tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
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tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
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__raw_writel(tmp, S3C64XX_SPCON);
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/* remove the lcd bypass */
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tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
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tmp &= ~MIFPCON_LCD_BYPASS;
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__raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
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}
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static void __init smdk6410_machine_init(void)
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{
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s3c_i2c0_set_platdata(NULL);
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s3c_i2c1_set_platdata(NULL);
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s3c_fb_set_platdata(&smdk6410_lcd_pdata);
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gpio_request(S3C64XX_GPN(5), "LCD power");
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gpio_request(S3C64XX_GPF(13), "LCD power");
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gpio_request(S3C64XX_GPF(15), "LCD power");
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i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
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i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
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platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices));
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}
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MACHINE_START(SMDK6410, "SMDK6410")
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/* Maintainer: Ben Dooks <ben@fluff.org> */
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.phys_io = S3C_PA_UART & 0xfff00000,
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.io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
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.boot_params = S3C64XX_PA_SDRAM + 0x100,
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.init_irq = s3c6410_init_irq,
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.map_io = smdk6410_map_io,
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.init_machine = smdk6410_machine_init,
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.timer = &s3c24xx_timer,
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MACHINE_END
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