/*
- * Support for CompuLab EM-x270 platform
+ * Support for CompuLab EM-X270 platform
*
- * Copyright (C) 2007 CompuLab, Ltd.
+ * Copyright (C) 2007, 2008 CompuLab, Ltd.
* Author: Mike Rapoport <mike@compulab.co.il>
*
* This program is free software; you can redistribute it and/or modify
#include <linux/dm9000.h>
#include <linux/rtc-v3020.h>
-
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+#include <linux/gpio.h>
#include <asm/mach-types.h>
-
#include <asm/mach/arch.h>
+#include <asm/arch/mfp-pxa27x.h>
#include <asm/arch/pxa-regs.h>
-#include <asm/arch/pxa2xx-gpio.h>
#include <asm/arch/pxa27x-udc.h>
#include <asm/arch/audio.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/ohci.h>
#include <asm/arch/mmc.h>
-#include <asm/arch/bitfield.h>
+#include <asm/arch/pxa27x_keypad.h>
#include "generic.h"
/* GPIO IRQ usage */
-#define EM_X270_MMC_PD (105)
-#define EM_X270_ETHIRQ IRQ_GPIO(41)
-#define EM_X270_MMC_IRQ IRQ_GPIO(13)
+#define GPIO41_ETHIRQ (41)
+#define GPIO13_MMC_CD (13)
+#define EM_X270_ETHIRQ IRQ_GPIO(GPIO41_ETHIRQ)
+#define EM_X270_MMC_CD IRQ_GPIO(GPIO13_MMC_CD)
+
+/* NAND control GPIOs */
+#define GPIO11_NAND_CS (11)
+#define GPIO56_NAND_RB (56)
+
+static unsigned long em_x270_pin_config[] = {
+ /* AC'97 */
+ GPIO28_AC97_BITCLK,
+ GPIO29_AC97_SDATA_IN_0,
+ GPIO30_AC97_SDATA_OUT,
+ GPIO31_AC97_SYNC,
+ GPIO98_AC97_SYSCLK,
+ GPIO113_AC97_nRESET,
+
+ /* BTUART */
+ GPIO42_BTUART_RXD,
+ GPIO43_BTUART_TXD,
+ GPIO44_BTUART_CTS,
+ GPIO45_BTUART_RTS,
+
+ /* STUART */
+ GPIO46_STUART_RXD,
+ GPIO47_STUART_TXD,
+
+ /* MCI controller */
+ GPIO32_MMC_CLK,
+ GPIO112_MMC_CMD,
+ GPIO92_MMC_DAT_0,
+ GPIO109_MMC_DAT_1,
+ GPIO110_MMC_DAT_2,
+ GPIO111_MMC_DAT_3,
+
+ /* LCD */
+ GPIO58_LCD_LDD_0,
+ GPIO59_LCD_LDD_1,
+ GPIO60_LCD_LDD_2,
+ GPIO61_LCD_LDD_3,
+ GPIO62_LCD_LDD_4,
+ GPIO63_LCD_LDD_5,
+ GPIO64_LCD_LDD_6,
+ GPIO65_LCD_LDD_7,
+ GPIO66_LCD_LDD_8,
+ GPIO67_LCD_LDD_9,
+ GPIO68_LCD_LDD_10,
+ GPIO69_LCD_LDD_11,
+ GPIO70_LCD_LDD_12,
+ GPIO71_LCD_LDD_13,
+ GPIO72_LCD_LDD_14,
+ GPIO73_LCD_LDD_15,
+ GPIO74_LCD_FCLK,
+ GPIO75_LCD_LCLK,
+ GPIO76_LCD_PCLK,
+ GPIO77_LCD_BIAS,
+
+ /* QCI */
+ GPIO84_CIF_FV,
+ GPIO25_CIF_LV,
+ GPIO53_CIF_MCLK,
+ GPIO54_CIF_PCLK,
+ GPIO81_CIF_DD_0,
+ GPIO55_CIF_DD_1,
+ GPIO51_CIF_DD_2,
+ GPIO50_CIF_DD_3,
+ GPIO52_CIF_DD_4,
+ GPIO48_CIF_DD_5,
+ GPIO17_CIF_DD_6,
+ GPIO12_CIF_DD_7,
+
+ /* I2C */
+ GPIO117_I2C_SCL,
+ GPIO118_I2C_SDA,
+
+ /* Keypad */
+ GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
+ GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
+ GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
+ GPIO34_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
+ GPIO39_KP_MKIN_4 | WAKEUP_ON_LEVEL_HIGH,
+ GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH,
+ GPIO91_KP_MKIN_6 | WAKEUP_ON_LEVEL_HIGH,
+ GPIO36_KP_MKIN_7 | WAKEUP_ON_LEVEL_HIGH,
+ GPIO103_KP_MKOUT_0,
+ GPIO104_KP_MKOUT_1,
+ GPIO105_KP_MKOUT_2,
+ GPIO106_KP_MKOUT_3,
+ GPIO107_KP_MKOUT_4,
+ GPIO108_KP_MKOUT_5,
+ GPIO96_KP_MKOUT_6,
+ GPIO22_KP_MKOUT_7,
+
+ /* SSP1 */
+ GPIO26_SSP1_RXD,
+ GPIO23_SSP1_SCLK,
+ GPIO24_SSP1_SFRM,
+ GPIO57_SSP1_TXD,
+
+ /* SSP2 */
+ GPIO19_SSP2_SCLK,
+ GPIO14_SSP2_SFRM,
+ GPIO89_SSP2_TXD,
+ GPIO88_SSP2_RXD,
+
+ /* SDRAM and local bus */
+ GPIO15_nCS_1,
+ GPIO78_nCS_2,
+ GPIO79_nCS_3,
+ GPIO80_nCS_4,
+ GPIO49_nPWE,
+ GPIO18_RDY,
+
+ /* GPIO */
+ GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
+
+ /* power controls */
+ GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* GPRS_PWEN */
+ GPIO115_GPIO | MFP_LPM_DRIVE_LOW, /* WLAN_PWEN */
+
+ /* NAND controls */
+ GPIO11_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */
+ GPIO56_GPIO, /* NAND Ready/Busy */
+
+ /* interrupts */
+ GPIO13_GPIO, /* MMC card detect */
+ GPIO41_GPIO, /* DM9000 interrupt */
+};
-static struct resource em_x270_dm9k_resource[] = {
+#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
+static struct resource em_x270_dm9000_resource[] = {
[0] = {
.start = PXA_CS2_PHYS,
.end = PXA_CS2_PHYS + 3,
}
};
-/* for the moment we limit ourselves to 32bit IO until some
- * better IO routines can be written and tested
- */
-static struct dm9000_plat_data em_x270_dm9k_platdata = {
+static struct dm9000_plat_data em_x270_dm9000_platdata = {
.flags = DM9000_PLATF_32BITONLY,
};
-/* Ethernet device */
-static struct platform_device em_x270_dm9k = {
+static struct platform_device em_x270_dm9000 = {
.name = "dm9000",
.id = 0,
- .num_resources = ARRAY_SIZE(em_x270_dm9k_resource),
- .resource = em_x270_dm9k_resource,
+ .num_resources = ARRAY_SIZE(em_x270_dm9000_resource),
+ .resource = em_x270_dm9000_resource,
.dev = {
- .platform_data = &em_x270_dm9k_platdata,
+ .platform_data = &em_x270_dm9000_platdata,
}
};
-/* WM9712 touchscreen controller. Hopefully the driver will make it to
- * the mainstream sometime */
-static struct platform_device em_x270_ts = {
- .name = "wm97xx-ts",
- .id = -1,
-};
+static void __init em_x270_init_dm9000(void)
+{
+ platform_device_register(&em_x270_dm9000);
+}
+#else
+static inline void em_x270_init_dm9000(void) {}
+#endif
-/* RTC */
+/* V3020 RTC */
+#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
static struct resource em_x270_v3020_resource[] = {
[0] = {
.start = PXA_CS4_PHYS,
}
};
-/* NAND flash */
-#define GPIO_NAND_CS (11)
-#define GPIO_NAND_RB (56)
+static void __init em_x270_init_rtc(void)
+{
+ platform_device_register(&em_x270_rtc);
+}
+#else
+static inline void em_x270_init_rtc(void) {}
+#endif
+/* NAND flash */
+#if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
static inline void nand_cs_on(void)
{
- GPCR(GPIO_NAND_CS) = GPIO_bit(GPIO_NAND_CS);
+ gpio_set_value(GPIO11_NAND_CS, 0);
}
static void nand_cs_off(void)
{
dsb();
- GPSR(GPIO_NAND_CS) = GPIO_bit(GPIO_NAND_CS);
+ gpio_set_value(GPIO11_NAND_CS, 1);
}
/* hardware specific access to control-lines */
{
dsb();
- return GPLR(GPIO_NAND_RB) & GPIO_bit(GPIO_NAND_RB);
+ return gpio_get_value(GPIO56_NAND_RB);
}
static struct mtd_partition em_x270_partition_info[] = {
}
};
-/* platform devices */
-static struct platform_device *platform_devices[] __initdata = {
- &em_x270_dm9k,
- &em_x270_ts,
- &em_x270_rtc,
- &em_x270_nand,
-};
+static void __init em_x270_init_nand(void)
+{
+ int err;
+ err = gpio_request(GPIO11_NAND_CS, "NAND CS");
+ if (err) {
+ pr_warning("EM-X270: failed to request NAND CS gpio\n");
+ return;
+ }
+
+ gpio_direction_output(GPIO11_NAND_CS, 1);
+
+ err = gpio_request(GPIO56_NAND_RB, "NAND R/B");
+ if (err) {
+ pr_warning("EM-X270: failed to request NAND R/B gpio\n");
+ gpio_free(GPIO11_NAND_CS);
+ return;
+ }
+
+ gpio_direction_input(GPIO56_NAND_RB);
+
+ platform_device_register(&em_x270_nand);
+}
+#else
+static inline void em_x270_init_nand(void) {}
+#endif
/* PXA27x OHCI controller setup */
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static int em_x270_ohci_init(struct device *dev)
{
/* Set the Power Control Polarity Low */
.init = em_x270_ohci_init,
};
+static void __init em_x270_init_ohci(void)
+{
+ pxa_set_ohci_info(&em_x270_ohci_platform_data);
+}
+#else
+static inline void em_x270_init_ohci(void) {}
+#endif
+/* MCI controller setup */
+#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
static int em_x270_mci_init(struct device *dev,
irq_handler_t em_x270_detect_int,
void *data)
{
- int err;
-
- /* setup GPIO for PXA27x MMC controller */
- pxa_gpio_mode(GPIO32_MMCCLK_MD);
- pxa_gpio_mode(GPIO112_MMCCMD_MD);
- pxa_gpio_mode(GPIO92_MMCDAT0_MD);
- pxa_gpio_mode(GPIO109_MMCDAT1_MD);
- pxa_gpio_mode(GPIO110_MMCDAT2_MD);
- pxa_gpio_mode(GPIO111_MMCDAT3_MD);
-
- /* EM-X270 uses GPIO13 as SD power enable */
- pxa_gpio_mode(EM_X270_MMC_PD | GPIO_OUT);
-
- err = request_irq(EM_X270_MMC_IRQ, em_x270_detect_int,
- IRQF_DISABLED | IRQF_TRIGGER_FALLING,
- "MMC card detect", data);
+ int err = request_irq(EM_X270_MMC_CD, em_x270_detect_int,
+ IRQF_DISABLED | IRQF_TRIGGER_FALLING,
+ "MMC card detect", data);
if (err) {
printk(KERN_ERR "%s: can't request MMC card detect IRQ: %d\n",
__func__, err);
static void em_x270_mci_exit(struct device *dev, void *data)
{
- free_irq(EM_X270_MMC_IRQ, data);
+ int irq = gpio_to_irq(GPIO13_MMC_CD);
+ free_irq(irq, data);
}
static struct pxamci_platform_data em_x270_mci_platform_data = {
.exit = em_x270_mci_exit,
};
+static void __init em_x270_init_mmc(void)
+{
+ pxa_set_mci_info(&em_x270_mci_platform_data);
+}
+#else
+static inline void em_x270_init_mmc(void) {}
+#endif
+
/* LCD 480x640 */
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct pxafb_mode_info em_x270_lcd_mode = {
.pixclock = 50000,
.bpp = 16,
static struct pxafb_mach_info em_x270_lcd = {
.modes = &em_x270_lcd_mode,
.num_modes = 1,
- .cmap_inverse = 0,
- .cmap_static = 0,
- .lccr0 = LCCR0_PAS,
- .lccr3 = LCCR3_PixClkDiv(0x01) | LCCR3_Acb(0xff),
+ .lcd_conn = LCD_COLOR_TFT_16BPP,
};
-
-static void __init em_x270_init(void)
+static void __init em_x270_init_lcd(void)
{
- /* setup LCD */
set_pxa_fb_info(&em_x270_lcd);
+}
+#else
+static inline void em_x270_init_lcd(void) {}
+#endif
- /* register EM-X270 platform devices */
- platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+#if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
+static void __init em_x270_init_ac97(void)
+{
pxa_set_ac97_info(NULL);
+}
+#else
+static inline void em_x270_init_ac97(void) {}
+#endif
+
+#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
+static unsigned int em_x270_matrix_keys[] = {
+ KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B),
+ KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT),
+ KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D),
+};
- /* set MCI and OHCI platform parameters */
- pxa_set_mci_info(&em_x270_mci_platform_data);
- pxa_set_ohci_info(&em_x270_ohci_platform_data);
+struct pxa27x_keypad_platform_data em_x270_keypad_info = {
+ /* code map for the matrix keys */
+ .matrix_key_rows = 3,
+ .matrix_key_cols = 3,
+ .matrix_key_map = em_x270_matrix_keys,
+ .matrix_key_map_size = ARRAY_SIZE(em_x270_matrix_keys),
+};
+
+static void __init em_x270_init_keypad(void)
+{
+ pxa_set_keypad_info(&em_x270_keypad_info);
+}
+#else
+static inline void em_x270_init_keypad(void) {}
+#endif
- /* setup STUART GPIOs */
- pxa_gpio_mode(GPIO46_STRXD_MD);
- pxa_gpio_mode(GPIO47_STTXD_MD);
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button gpio_keys_button[] = {
+ [0] = {
+ .desc = "sleep/wakeup",
+ .code = KEY_SUSPEND,
+ .type = EV_PWR,
+ .gpio = 1,
+ .wakeup = 1,
+ },
+};
- /* setup BTUART GPIOs */
- pxa_gpio_mode(GPIO42_BTRXD_MD);
- pxa_gpio_mode(GPIO43_BTTXD_MD);
- pxa_gpio_mode(GPIO44_BTCTS_MD);
- pxa_gpio_mode(GPIO45_BTRTS_MD);
+static struct gpio_keys_platform_data em_x270_gpio_keys_data = {
+ .buttons = gpio_keys_button,
+ .nbuttons = 1,
+};
- /* Setup interrupt for dm9000 */
- set_irq_type(EM_X270_ETHIRQ, IRQT_RISING);
+static struct platform_device em_x270_gpio_keys = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &em_x270_gpio_keys_data,
+ },
+};
+
+static void __init em_x270_init_gpio_keys(void)
+{
+ platform_device_register(&em_x270_gpio_keys);
+}
+#else
+static inline void em_x270_init_gpio_keys(void) {}
+#endif
+
+static void __init em_x270_init(void)
+{
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config));
+
+ em_x270_init_dm9000();
+ em_x270_init_rtc();
+ em_x270_init_nand();
+ em_x270_init_lcd();
+ em_x270_init_mmc();
+ em_x270_init_ohci();
+ em_x270_init_keypad();
+ em_x270_init_gpio_keys();
+ em_x270_init_ac97();
}
-MACHINE_START(EM_X270, "Compulab EM-x270")
+MACHINE_START(EM_X270, "Compulab EM-X270")
.boot_params = 0xa0000100,
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
git.openpandora.org / pandora-kernel.git / blobdiff