1 files changed, 392 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c b/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c
new file mode 100644
index 000000000000..4edc5f439201
--- /dev/null
+++ b/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c
@@ -0,0 +1,392 @@
+/*
+ * Copyright (C) 2009-2010 Eric Benard - eric@eukrea.com
+ *
+ * Based on pcm970-baseboard.c which is :
+ * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/gpio.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+#include <linux/backlight.h>
+#include <video/platform_lcd.h>
+#include <linux/input/matrix_keypad.h>
+
+#include <asm/mach/arch.h>
+
+#include <mach/common.h>
+#include <mach/iomux-mx27.h>
+#include <mach/imxfb.h>
+#include <mach/hardware.h>
+#include <mach/mmc.h>
+#include <mach/spi.h>
+#include <mach/ssi.h>
+#include <mach/audmux.h>
+
+#include "devices-imx27.h"
+#include "devices.h"
+
+static int eukrea_mbimx27_pins[] = {
+        /* UART2 */
+        PE3_PF_UART2_CTS,
+        PE4_PF_UART2_RTS,
+        PE6_PF_UART2_TXD,
+        PE7_PF_UART2_RXD,
+        /* UART3 */
+        PE8_PF_UART3_TXD,
+        PE9_PF_UART3_RXD,
+        PE10_PF_UART3_CTS,
+        PE11_PF_UART3_RTS,
+        /* UART4 */
+#if !defined(MACH_EUKREA_CPUIMX27_USEUART4)
+        PB26_AF_UART4_RTS,
+        PB28_AF_UART4_TXD,
+        PB29_AF_UART4_CTS,
+        PB31_AF_UART4_RXD,
+#endif
+        /* SDHC1*/
+        PE18_PF_SD1_D0,
+        PE19_PF_SD1_D1,
+        PE20_PF_SD1_D2,
+        PE21_PF_SD1_D3,
+        PE22_PF_SD1_CMD,
+        PE23_PF_SD1_CLK,
+        /* display */
+        PA5_PF_LSCLK,
+        PA6_PF_LD0,
+        PA7_PF_LD1,
+        PA8_PF_LD2,
+        PA9_PF_LD3,
+        PA10_PF_LD4,
+        PA11_PF_LD5,
+        PA12_PF_LD6,
+        PA13_PF_LD7,
+        PA14_PF_LD8,
+        PA15_PF_LD9,
+        PA16_PF_LD10,
+        PA17_PF_LD11,
+        PA18_PF_LD12,
+        PA19_PF_LD13,
+        PA20_PF_LD14,
+        PA21_PF_LD15,
+        PA22_PF_LD16,
+        PA23_PF_LD17,
+        PA28_PF_HSYNC,
+        PA29_PF_VSYNC,
+        PA30_PF_CONTRAST,
+        PA31_PF_OE_ACD,
+        /* SPI1 */
+        PD29_PF_CSPI1_SCLK,
+        PD30_PF_CSPI1_MISO,
+        PD31_PF_CSPI1_MOSI,
+        /* SSI4 */
+#if defined(CONFIG_SND_SOC_EUKREA_TLV320) \
+        || defined(CONFIG_SND_SOC_EUKREA_TLV320_MODULE)
+        PC16_PF_SSI4_FS,
+        PC17_PF_SSI4_RXD | GPIO_PUEN,
+        PC18_PF_SSI4_TXD | GPIO_PUEN,
+        PC19_PF_SSI4_CLK,
+#endif
+};
+
+static const uint32_t eukrea_mbimx27_keymap[] = {
+        KEY(0, 0, KEY_UP),
+        KEY(0, 1, KEY_DOWN),
+        KEY(1, 0, KEY_RIGHT),
+        KEY(1, 1, KEY_LEFT),
+};
+
+static struct matrix_keymap_data eukrea_mbimx27_keymap_data = {
+        .keymap         = eukrea_mbimx27_keymap,
+        .keymap_size    = ARRAY_SIZE(eukrea_mbimx27_keymap),
+};
+
+static struct gpio_led gpio_leds[] = {
+        {
+                .name                   = "led1",
+                .default_trigger        = "heartbeat",
+                .active_low             = 1,
+                .gpio                   = GPIO_PORTF | 16,
+        },
+        {
+                .name                   = "led2",
+                .default_trigger        = "none",
+                .active_low             = 1,
+                .gpio                   = GPIO_PORTF | 19,
+        },
+};
+
+static struct gpio_led_platform_data gpio_led_info = {
+        .leds           = gpio_leds,
+        .num_leds       = ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device leds_gpio = {
+        .name   = "leds-gpio",
+        .id     = -1,
+        .dev    = {
+                .platform_data  = &gpio_led_info,
+        },
+};
+
+static struct imx_fb_videomode eukrea_mbimx27_modes[] = {
+        {
+                .mode = {
+                        .name           = "CMO-QVGA",
+                        .refresh        = 60,
+                        .xres           = 320,
+                        .yres           = 240,
+                        .pixclock       = 156000,
+                        .hsync_len      = 30,
+                        .left_margin    = 38,
+                        .right_margin   = 20,
+                        .vsync_len      = 3,
+                        .upper_margin   = 15,
+                        .lower_margin   = 4,
+                },
+                .pcr            = 0xFAD08B80,
+                .bpp            = 16,
+        }, {
+                .mode = {
+                        .name           = "DVI-VGA",
+                        .refresh        = 60,
+                        .xres           = 640,
+                        .yres           = 480,
+                        .pixclock       = 32000,
+                        .hsync_len      = 1,
+                        .left_margin    = 35,
+                        .right_margin   = 0,
+                        .vsync_len      = 1,
+                        .upper_margin   = 7,
+                        .lower_margin   = 0,
+                },
+                .pcr            = 0xFA208B80,
+                .bpp            = 16,
+        }, {
+                .mode = {
+                        .name           = "DVI-SVGA",
+                        .refresh        = 60,
+                        .xres           = 800,
+                        .yres           = 600,
+                        .pixclock       = 25000,
+                        .hsync_len      = 1,
+                        .left_margin    = 35,
+                        .right_margin   = 0,
+                        .vsync_len      = 1,
+                        .upper_margin   = 7,
+                        .lower_margin   = 0,
+                },
+                .pcr            = 0xFA208B80,
+                .bpp            = 16,
+        },
+};
+
+static struct imx_fb_platform_data eukrea_mbimx27_fb_data = {
+        .mode = eukrea_mbimx27_modes,
+        .num_modes = ARRAY_SIZE(eukrea_mbimx27_modes),
+
+        .pwmr           = 0x00A903FF,
+        .lscr1          = 0x00120300,
+        .dmacr          = 0x00040060,
+};
+
+static void eukrea_mbimx27_bl_set_intensity(int intensity)
+{
+        if (intensity)
+                gpio_direction_output(GPIO_PORTE | 5, 1);
+        else
+                gpio_direction_output(GPIO_PORTE | 5, 0);
+}
+
+static struct generic_bl_info eukrea_mbimx27_bl_info = {
+        .name                   = "eukrea_mbimx27-bl",
+        .max_intensity          = 0xff,
+        .default_intensity      = 0xff,
+        .set_bl_intensity       = eukrea_mbimx27_bl_set_intensity,
+};
+
+static struct platform_device eukrea_mbimx27_bl_dev = {
+        .name                   = "generic-bl",
+        .id                     = 1,
+        .dev = {
+                .platform_data  = &eukrea_mbimx27_bl_info,
+        },
+};
+
+static void eukrea_mbimx27_lcd_power_set(struct plat_lcd_data *pd,
+                                   unsigned int power)
+{
+        if (power)
+                gpio_direction_output(GPIO_PORTA | 25, 1);
+        else
+                gpio_direction_output(GPIO_PORTA | 25, 0);
+}
+
+static struct plat_lcd_data eukrea_mbimx27_lcd_power_data = {
+        .set_power              = eukrea_mbimx27_lcd_power_set,
+};
+
+static struct platform_device eukrea_mbimx27_lcd_powerdev = {
+        .name                   = "platform-lcd",
+        .dev.platform_data      = &eukrea_mbimx27_lcd_power_data,
+};
+
+static const struct imxuart_platform_data uart_pdata __initconst = {
+        .flags = IMXUART_HAVE_RTSCTS,
+};
+
+#if defined(CONFIG_TOUCHSCREEN_ADS7846) \
+        || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
+
+#define ADS7846_PENDOWN (GPIO_PORTD | 25)
+
+static void ads7846_dev_init(void)
+{
+        if (gpio_request(ADS7846_PENDOWN, "ADS7846 pendown") < 0) {
+                printk(KERN_ERR "can't get ads746 pen down GPIO\n");
+                return;
+        }
+        gpio_direction_input(ADS7846_PENDOWN);
+}
+
+static int ads7846_get_pendown_state(void)
+{
+        return !gpio_get_value(ADS7846_PENDOWN);
+}
+
+static struct ads7846_platform_data ads7846_config __initdata = {
+        .get_pendown_state      = ads7846_get_pendown_state,
+        .keep_vref_on           = 1,
+};
+#endif
+
+#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
+static struct spi_board_info eukrea_mbimx27_spi_board_info[] __initdata = {
+        [0] = {
+                .modalias       = "ads7846",
+                .bus_num        = 0,
+                .chip_select    = 0,
+                .max_speed_hz   = 1500000,
+                .irq            = IRQ_GPIOD(25),
+                .platform_data  = &ads7846_config,
+                .mode           = SPI_MODE_2,
+        },
+};
+
+static int eukrea_mbimx27_spi_cs[] = {GPIO_PORTD | 28};
+
+static const struct spi_imx_master eukrea_mbimx27_spi0_data __initconst = {
+        .chipselect     = eukrea_mbimx27_spi_cs,
+        .num_chipselect = ARRAY_SIZE(eukrea_mbimx27_spi_cs),
+};
+#endif
+
+static struct i2c_board_info eukrea_mbimx27_i2c_devices[] = {
+        {
+                I2C_BOARD_INFO("tlv320aic23", 0x1a),
+        },
+};
+
+static struct platform_device *platform_devices[] __initdata = {
+        &leds_gpio,
+};
+
+static struct imxmmc_platform_data sdhc_pdata = {
+        .dat3_card_detect = 1,
+};
+
+struct imx_ssi_platform_data eukrea_mbimx27_ssi_pdata = {
+        .flags = IMX_SSI_DMA | IMX_SSI_USE_I2S_SLAVE,
+};
+
+/*
+ * system init for baseboard usage. Will be called by cpuimx27 init.
+ *
+ * Add platform devices present on this baseboard and init
+ * them from CPU side as far as required to use them later on
+ */
+void __init eukrea_mbimx27_baseboard_init(void)
+{
+        mxc_gpio_setup_multiple_pins(eukrea_mbimx27_pins,
+                ARRAY_SIZE(eukrea_mbimx27_pins), "MBIMX27");
+
+#if defined(CONFIG_SND_SOC_EUKREA_TLV320) \
+        || defined(CONFIG_SND_SOC_EUKREA_TLV320_MODULE)
+        /* SSI unit master I2S codec connected to SSI_PINS_4*/
+        mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
+                        MXC_AUDMUX_V1_PCR_SYN |
+                        MXC_AUDMUX_V1_PCR_TFSDIR |
+                        MXC_AUDMUX_V1_PCR_TCLKDIR |
+                        MXC_AUDMUX_V1_PCR_RFSDIR |
+                        MXC_AUDMUX_V1_PCR_RCLKDIR |
+                        MXC_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
+                        MXC_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
+                        MXC_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4)
+        );
+        mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4,
+                        MXC_AUDMUX_V1_PCR_SYN |
+                        MXC_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
+        );
+#endif
+
+        imx27_add_imx_uart1(&uart_pdata);
+        imx27_add_imx_uart2(&uart_pdata);
+#if !defined(MACH_EUKREA_CPUIMX27_USEUART4)
+        imx27_add_imx_uart3(&uart_pdata);
+#endif
+
+        mxc_register_device(&mxc_fb_device, &eukrea_mbimx27_fb_data);
+        mxc_register_device(&mxc_sdhc_device0, &sdhc_pdata);
+
+        i2c_register_board_info(0, eukrea_mbimx27_i2c_devices,
+                                ARRAY_SIZE(eukrea_mbimx27_i2c_devices));
+
+        mxc_register_device(&imx_ssi_device0, &eukrea_mbimx27_ssi_pdata);
+
+#if defined(CONFIG_TOUCHSCREEN_ADS7846) \
+        || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
+        /* ADS7846 Touchscreen controller init */
+        mxc_gpio_mode(GPIO_PORTD | 25 | GPIO_GPIO | GPIO_IN);
+        ads7846_dev_init();
+#endif
+
+#if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
+        /* SPI_CS0 init */
+        mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT);
+        imx27_add_spi_imx0(&eukrea_mbimx27_spi0_data);
+        spi_register_board_info(eukrea_mbimx27_spi_board_info,
+                        ARRAY_SIZE(eukrea_mbimx27_spi_board_info));
+#endif
+
+        /* Leds configuration */
+        mxc_gpio_mode(GPIO_PORTF | 16 | GPIO_GPIO | GPIO_OUT);
+        mxc_gpio_mode(GPIO_PORTF | 19 | GPIO_GPIO | GPIO_OUT);
+        /* Backlight */
+        mxc_gpio_mode(GPIO_PORTE | 5 | GPIO_GPIO | GPIO_OUT);
+        gpio_request(GPIO_PORTE | 5, "backlight");
+        platform_device_register(&eukrea_mbimx27_bl_dev);
+        /* LCD Reset */
+        mxc_gpio_mode(GPIO_PORTA | 25 | GPIO_GPIO | GPIO_OUT);
+        gpio_request(GPIO_PORTA | 25, "lcd_enable");
+        platform_device_register(&eukrea_mbimx27_lcd_powerdev);
+
+        mxc_register_device(&imx_kpp_device, &eukrea_mbimx27_keymap_data);
+
+        platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+}