ARM: S3C6410: Add basic support for SmartQ machines

This adds new machine definitions for the SmartQ 5 and 7.

Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

1 files changed, 201 insertions, 0 deletions

diff --git a/arch/arm/mach-s3c64xx/mach-smartq7.c b/arch/arm/mach-s3c64xx/mach-smartq7.c
new file mode 100644
index 00000000000..e0bc78ecb15
--- /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