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Diffstat (limited to 'arch/arm/mach-imx/eukrea_mbimx27-baseboard.c')
-rw-r--r--arch/arm/mach-imx/eukrea_mbimx27-baseboard.c392
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..27e7226ec9d4
--- /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 struct i2c_board_info eukrea_mbimx27_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("tlv320aic23", 0x1a),
+ },
+};
+
+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 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));
+}