summaryrefslogtreecommitdiff
path: root/arch/avr32/boards/atngw100/mrmt.c
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/avr32/boards/atngw100/mrmt.c
Initial import
Diffstat (limited to 'arch/avr32/boards/atngw100/mrmt.c')
-rw-r--r--arch/avr32/boards/atngw100/mrmt.c383
1 files changed, 383 insertions, 0 deletions
diff --git a/arch/avr32/boards/atngw100/mrmt.c b/arch/avr32/boards/atngw100/mrmt.c
new file mode 100644
index 000000000..91146b416
--- /dev/null
+++ b/arch/avr32/boards/atngw100/mrmt.c
@@ -0,0 +1,383 @@
+/*
+ * Board-specific setup code for Remote Media Terminal 1 (RMT1)
+ * add-on board for the ATNGW100 Network Gateway
+ *
+ * Copyright (C) 2008 Mediama Technologies
+ * Based on ATNGW100 Network Gateway (Copyright (C) Atmel)
+ *
+ * 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/gpio.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/linkage.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include <linux/fb.h>
+#include <linux/leds.h>
+#include <linux/pwm.h>
+#include <linux/leds_pwm.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+#include <linux/atmel_serial.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+
+#include <video/atmel_lcdc.h>
+#include <sound/atmel-ac97c.h>
+
+#include <asm/delay.h>
+#include <asm/io.h>
+#include <asm/setup.h>
+
+#include <mach/at32ap700x.h>
+#include <mach/board.h>
+#include <mach/init.h>
+#include <mach/portmux.h>
+
+/* Define board-specifoic GPIO assignments */
+#define PIN_LCD_BL GPIO_PIN_PA(28)
+#define PWM_CH_BL 0 /* Must match with GPIO pin definition */
+#define PIN_LCD_DISP GPIO_PIN_PA(31)
+#define PIN_AC97_RST_N GPIO_PIN_PA(30)
+#define PB_EXTINT_BASE 25
+#define TS_IRQ 0
+#define PIN_TS_EXTINT GPIO_PIN_PB(PB_EXTINT_BASE+TS_IRQ)
+#define PIN_PB_LEFT GPIO_PIN_PB(11)
+#define PIN_PB_RIGHT GPIO_PIN_PB(12)
+#define PIN_PWR_SW_N GPIO_PIN_PB(14)
+#define PIN_PWR_ON GPIO_PIN_PB(13)
+#define PIN_ZB_RST_N GPIO_PIN_PA(21)
+#define PIN_BT_RST GPIO_PIN_PA(22)
+#define PIN_LED_SYS GPIO_PIN_PA(16)
+#define PIN_LED_A GPIO_PIN_PA(19)
+#define PIN_LED_B GPIO_PIN_PE(19)
+
+#ifdef CONFIG_BOARD_MRMT_LCD_LQ043T3DX0X
+/* Sharp LQ043T3DX0x (or compatible) panel */
+static struct fb_videomode __initdata lcd_fb_modes[] = {
+ {
+ .name = "480x272 @ 59.94Hz",
+ .refresh = 59.94,
+ .xres = 480, .yres = 272,
+ .pixclock = KHZ2PICOS(9000),
+
+ .left_margin = 2, .right_margin = 2,
+ .upper_margin = 3, .lower_margin = 9,
+ .hsync_len = 41, .vsync_len = 1,
+
+ .sync = 0,
+ .vmode = FB_VMODE_NONINTERLACED,
+ },
+};
+
+static struct fb_monspecs __initdata lcd_fb_default_monspecs = {
+ .manufacturer = "SHA",
+ .monitor = "LQ043T3DX02",
+ .modedb = lcd_fb_modes,
+ .modedb_len = ARRAY_SIZE(lcd_fb_modes),
+ .hfmin = 14915,
+ .hfmax = 17638,
+ .vfmin = 53,
+ .vfmax = 61,
+ .dclkmax = 9260000,
+};
+
+static struct atmel_lcdfb_pdata __initdata rmt_lcdc_data = {
+ .default_bpp = 24,
+ .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
+ .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT
+ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
+ | ATMEL_LCDC_INVCLK_NORMAL
+ | ATMEL_LCDC_MEMOR_BIG),
+ .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
+ .default_monspecs = &lcd_fb_default_monspecs,
+ .guard_time = 2,
+};
+#endif
+
+#ifdef CONFIG_BOARD_MRMT_LCD_KWH043GM08
+/* Sharp KWH043GM08-Fxx (or compatible) panel */
+static struct fb_videomode __initdata lcd_fb_modes[] = {
+ {
+ .name = "480x272 @ 59.94Hz",
+ .refresh = 59.94,
+ .xres = 480, .yres = 272,
+ .pixclock = KHZ2PICOS(9000),
+
+ .left_margin = 2, .right_margin = 2,
+ .upper_margin = 3, .lower_margin = 9,
+ .hsync_len = 41, .vsync_len = 1,
+
+ .sync = 0,
+ .vmode = FB_VMODE_NONINTERLACED,
+ },
+};
+
+static struct fb_monspecs __initdata lcd_fb_default_monspecs = {
+ .manufacturer = "FOR",
+ .monitor = "KWH043GM08",
+ .modedb = lcd_fb_modes,
+ .modedb_len = ARRAY_SIZE(lcd_fb_modes),
+ .hfmin = 14915,
+ .hfmax = 17638,
+ .vfmin = 53,
+ .vfmax = 61,
+ .dclkmax = 9260000,
+};
+
+static struct atmel_lcdfb_pdata __initdata rmt_lcdc_data = {
+ .default_bpp = 24,
+ .default_dmacon = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
+ .default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT
+ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
+ | ATMEL_LCDC_INVCLK_INVERTED
+ | ATMEL_LCDC_MEMOR_BIG),
+ .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
+ .default_monspecs = &lcd_fb_default_monspecs,
+ .guard_time = 2,
+};
+#endif
+
+#ifdef CONFIG_BOARD_MRMT_AC97
+static struct ac97c_platform_data __initdata ac97c0_data = {
+ .reset_pin = PIN_AC97_RST_N,
+};
+#endif
+
+#ifdef CONFIG_BOARD_MRMT_UCB1400_TS
+/* NOTE: IRQ assignment relies on kernel module parameter */
+static struct platform_device rmt_ts_device = {
+ .name = "ucb1400_ts",
+ .id = -1,
+};
+#endif
+
+#ifdef CONFIG_BOARD_MRMT_BL_PWM
+/* PWM LEDs: LCD Backlight, etc */
+static struct pwm_lookup pwm_lookup[] = {
+ PWM_LOOKUP("at91sam9rl-pwm", PWM_CH_BL, "leds_pwm", "ds1",
+ 5000, PWM_POLARITY_INVERSED),
+};
+
+static struct led_pwm pwm_leds[] = {
+ {
+ .name = "backlight",
+ .max_brightness = 255,
+ },
+};
+
+static struct led_pwm_platform_data pwm_data = {
+ .num_leds = ARRAY_SIZE(pwm_leds),
+ .leds = pwm_leds,
+};
+
+static struct platform_device leds_pwm = {
+ .name = "leds_pwm",
+ .id = -1,
+ .dev = {
+ .platform_data = &pwm_data,
+ },
+};
+#endif
+
+#ifdef CONFIG_BOARD_MRMT_ADS7846_TS
+static int ads7846_pendown_state(void)
+{
+ return !gpio_get_value( PIN_TS_EXTINT ); /* PENIRQ.*/
+}
+
+static struct ads7846_platform_data ads_info = {
+ .model = 7846,
+ .keep_vref_on = 0, /* Use external VREF pin */
+ .vref_delay_usecs = 0,
+ .vref_mv = 3300, /* VREF = 3.3V */
+ .settle_delay_usecs = 800,
+ .penirq_recheck_delay_usecs = 800,
+ .x_plate_ohms = 750,
+ .y_plate_ohms = 300,
+ .pressure_max = 4096,
+ .debounce_max = 1,
+ .debounce_rep = 0,
+ .debounce_tol = (~0),
+ .get_pendown_state = ads7846_pendown_state,
+ .filter = NULL,
+ .filter_init = NULL,
+};
+
+static struct spi_board_info spi01_board_info[] __initdata = {
+ {
+ .modalias = "ads7846",
+ .max_speed_hz = 31250*26,
+ .bus_num = 0,
+ .chip_select = 1,
+ .platform_data = &ads_info,
+ .irq = AT32_EXTINT(TS_IRQ),
+ },
+};
+#endif
+
+/* GPIO Keys: left, right, power, etc */
+static const struct gpio_keys_button rmt_gpio_keys_buttons[] = {
+ [0] = {
+ .type = EV_KEY,
+ .code = KEY_POWER,
+ .gpio = PIN_PWR_SW_N,
+ .active_low = 1,
+ .desc = "power button",
+ },
+ [1] = {
+ .type = EV_KEY,
+ .code = KEY_LEFT,
+ .gpio = PIN_PB_LEFT,
+ .active_low = 1,
+ .desc = "left button",
+ },
+ [2] = {
+ .type = EV_KEY,
+ .code = KEY_RIGHT,
+ .gpio = PIN_PB_RIGHT,
+ .active_low = 1,
+ .desc = "right button",
+ },
+};
+
+static const struct gpio_keys_platform_data rmt_gpio_keys_data = {
+ .nbuttons = ARRAY_SIZE(rmt_gpio_keys_buttons),
+ .buttons = (void *) rmt_gpio_keys_buttons,
+};
+
+static struct platform_device rmt_gpio_keys = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = (void *) &rmt_gpio_keys_data,
+ }
+};
+
+#ifdef CONFIG_BOARD_MRMT_RTC_I2C
+static struct i2c_board_info __initdata mrmt1_i2c_rtc = {
+ I2C_BOARD_INFO("s35390a", 0x30),
+ .irq = 0,
+};
+#endif
+
+static void mrmt_power_off(void)
+{
+ /* PWR_ON=0 will force power off */
+ gpio_set_value( PIN_PWR_ON, 0 );
+}
+
+static int __init mrmt1_init(void)
+{
+ gpio_set_value( PIN_PWR_ON, 1 ); /* Ensure PWR_ON is enabled */
+
+ pm_power_off = mrmt_power_off;
+
+ /* Setup USARTS (other than console) */
+ at32_map_usart(2, 1, 0); /* USART 2: /dev/ttyS1, RMT1:DB9M */
+ at32_map_usart(3, 2, ATMEL_USART_RTS | ATMEL_USART_CTS);
+ /* USART 3: /dev/ttyS2, RMT1:Wireless, w/ RTS/CTS */
+ at32_add_device_usart(1);
+ at32_add_device_usart(2);
+
+ /* Select GPIO Key pins */
+ at32_select_gpio( PIN_PWR_SW_N, AT32_GPIOF_DEGLITCH);
+ at32_select_gpio( PIN_PB_LEFT, AT32_GPIOF_DEGLITCH);
+ at32_select_gpio( PIN_PB_RIGHT, AT32_GPIOF_DEGLITCH);
+ platform_device_register(&rmt_gpio_keys);
+
+#ifdef CONFIG_BOARD_MRMT_RTC_I2C
+ i2c_register_board_info(0, &mrmt1_i2c_rtc, 1);
+#endif
+
+#ifndef CONFIG_BOARD_MRMT_LCD_DISABLE
+ /* User "alternate" LCDC inferface on Port E & D */
+ /* NB: exclude LCDC_CC pin, as NGW100 reserves it for other use */
+ at32_add_device_lcdc(0, &rmt_lcdc_data,
+ fbmem_start, fbmem_size,
+ (ATMEL_LCDC_ALT_24BIT | ATMEL_LCDC_PE_DVAL ) );
+#endif
+
+#ifdef CONFIG_BOARD_MRMT_AC97
+ at32_add_device_ac97c(0, &ac97c0_data, AC97C_BOTH);
+#endif
+
+#ifdef CONFIG_BOARD_MRMT_ADS7846_TS
+ /* Select the Touchscreen interrupt pin mode */
+ at32_select_periph( GPIO_PIOB_BASE, 1 << (PB_EXTINT_BASE+TS_IRQ),
+ GPIO_PERIPH_A, AT32_GPIOF_DEGLITCH);
+ irq_set_irq_type(AT32_EXTINT(TS_IRQ), IRQ_TYPE_EDGE_FALLING);
+ at32_spi_setup_slaves(0,spi01_board_info,ARRAY_SIZE(spi01_board_info));
+ spi_register_board_info(spi01_board_info,ARRAY_SIZE(spi01_board_info));
+#endif
+
+#ifdef CONFIG_BOARD_MRMT_UCB1400_TS
+ /* Select the Touchscreen interrupt pin mode */
+ at32_select_periph( GPIO_PIOB_BASE, 1 << (PB_EXTINT_BASE+TS_IRQ),
+ GPIO_PERIPH_A, AT32_GPIOF_DEGLITCH);
+ platform_device_register(&rmt_ts_device);
+#endif
+
+ at32_select_gpio( PIN_LCD_DISP, AT32_GPIOF_OUTPUT );
+ gpio_request( PIN_LCD_DISP, "LCD_DISP" );
+ gpio_direction_output( PIN_LCD_DISP, 0 ); /* LCD DISP */
+#ifdef CONFIG_BOARD_MRMT_LCD_DISABLE
+ /* Keep Backlight and DISP off */
+ at32_select_gpio( PIN_LCD_BL, AT32_GPIOF_OUTPUT );
+ gpio_request( PIN_LCD_BL, "LCD_BL" );
+ gpio_direction_output( PIN_LCD_BL, 0 ); /* Backlight */
+#else
+ gpio_set_value( PIN_LCD_DISP, 1 ); /* DISP asserted first */
+#ifdef CONFIG_BOARD_MRMT_BL_PWM
+ /* Use PWM for Backlight controls */
+ at32_add_device_pwm(1 << PWM_CH_BL);
+ pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
+ platform_device_register(&leds_pwm);
+#else
+ /* Backlight always on */
+ udelay( 1 );
+ at32_select_gpio( PIN_LCD_BL, AT32_GPIOF_OUTPUT );
+ gpio_request( PIN_LCD_BL, "LCD_BL" );
+ gpio_direction_output( PIN_LCD_BL, 1 );
+#endif
+#endif
+
+ /* Make sure BT and Zigbee modules in reset */
+ at32_select_gpio( PIN_BT_RST, AT32_GPIOF_OUTPUT );
+ gpio_request( PIN_BT_RST, "BT_RST" );
+ gpio_direction_output( PIN_BT_RST, 1 );
+ /* BT Module in Reset */
+
+ at32_select_gpio( PIN_ZB_RST_N, AT32_GPIOF_OUTPUT );
+ gpio_request( PIN_ZB_RST_N, "ZB_RST_N" );
+ gpio_direction_output( PIN_ZB_RST_N, 0 );
+ /* XBee Module in Reset */
+
+#ifdef CONFIG_BOARD_MRMT_WIRELESS_ZB
+ udelay( 1000 );
+ /* Unreset the XBee Module */
+ gpio_set_value( PIN_ZB_RST_N, 1 );
+#endif
+#ifdef CONFIG_BOARD_MRMT_WIRELESS_BT
+ udelay( 1000 );
+ /* Unreset the BT Module */
+ gpio_set_value( PIN_BT_RST, 0 );
+#endif
+
+ return 0;
+}
+arch_initcall(mrmt1_init);
+
+static int __init mrmt1_early_init(void)
+{
+ /* To maintain power-on signal in case boot loader did not already */
+ at32_select_gpio( PIN_PWR_ON, AT32_GPIOF_OUTPUT );
+ gpio_request( PIN_PWR_ON, "PIN_PWR_ON" );
+ gpio_direction_output( PIN_PWR_ON, 1 );
+
+ return 0;
+}
+core_initcall(mrmt1_early_init);