i.MX25: add cpuimx25 module and its baseboard
authorEric Bénard <eric@eukrea.com>
Tue, 8 Jun 2010 09:03:01 +0000 (11:03 +0200)
committerSascha Hauer <s.hauer@pengutronix.de>
Mon, 26 Jul 2010 12:18:14 +0000 (14:18 +0200)
* cpuimx25 integrates i.MX25, RAM, NAND, Ethernet, I2C RTC, USB Host
and USB OTG
* mbimxsd provides access to LCD, Audio, LED, Switch button, UART ...

Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
arch/arm/mach-mx25/Kconfig
arch/arm/mach-mx25/Makefile
arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c [new file with mode: 0644]
arch/arm/mach-mx25/mach-cpuimx25.c [new file with mode: 0644]
arch/arm/plat-mxc/include/mach/board-eukrea_cpuimx25.h [new file with mode: 0644]

index 54d217314ee9a3b57030af0f26f747d4d834e828..3a6668eebf9aa2f886de38369bbab4ceb890c712 100644 (file)
@@ -5,4 +5,22 @@ comment "MX25 platforms:"
 config MACH_MX25_3DS
        bool "Support MX25PDK (3DS) Platform"
 
+config MACH_EUKREA_CPUIMX25
+       bool "Support Eukrea CPUIMX25 Platform"
+       select MXC_ULPI if USB_ULPI
+
+choice
+       prompt "Baseboard"
+       depends on MACH_EUKREA_CPUIMX25
+       default MACH_EUKREA_MBIMXSD_BASEBOARD
+
+config MACH_EUKREA_MBIMXSD_BASEBOARD
+       prompt "Eukrea MBIMXSD development board"
+       bool
+       help
+         This adds board specific devices that can be found on Eukrea's
+         MBIMXSD evaluation board.
+
+endchoice
+
 endif
index 10cebc5ced8c0a0e15748fd7027effbee446d3f2..83ab5d805104cabddc449493440a8cb704c1fa9f 100644 (file)
@@ -1,3 +1,5 @@
 obj-y                          := mm.o devices.o
 obj-$(CONFIG_ARCH_MX25)                += clock.o
 obj-$(CONFIG_MACH_MX25_3DS)    += mach-mx25pdk.o
+obj-$(CONFIG_MACH_EUKREA_CPUIMX25)             += mach-cpuimx25.o
+obj-$(CONFIG_MACH_EUKREA_MBIMXSD_BASEBOARD)    += eukrea_mbimxsd-baseboard.o
diff --git a/arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c b/arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c
new file mode 100644 (file)
index 0000000..e0f0dfd
--- /dev/null
@@ -0,0 +1,260 @@
+/*
+ * Copyright (C) 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/leds.h>
+#include <linux/platform_device.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <video/platform_lcd.h>
+
+#include <mach/board-eukrea_cpuimx25.h>
+#include <mach/hardware.h>
+#include <mach/iomux-mx25.h>
+#include <mach/common.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <mach/mx25.h>
+#include <mach/imx-uart.h>
+#include <mach/imxfb.h>
+#include <mach/ssi.h>
+#include <mach/audmux.h>
+
+#include "devices.h"
+
+static struct pad_desc eukrea_mbimxsd_pads[] = {
+       /* LCD */
+       MX25_PAD_LD0__LD0,
+       MX25_PAD_LD1__LD1,
+       MX25_PAD_LD2__LD2,
+       MX25_PAD_LD3__LD3,
+       MX25_PAD_LD4__LD4,
+       MX25_PAD_LD5__LD5,
+       MX25_PAD_LD6__LD6,
+       MX25_PAD_LD7__LD7,
+       MX25_PAD_LD8__LD8,
+       MX25_PAD_LD9__LD9,
+       MX25_PAD_LD10__LD10,
+       MX25_PAD_LD11__LD11,
+       MX25_PAD_LD12__LD12,
+       MX25_PAD_LD13__LD13,
+       MX25_PAD_LD14__LD14,
+       MX25_PAD_LD15__LD15,
+       MX25_PAD_GPIO_E__LD16,
+       MX25_PAD_GPIO_F__LD17,
+       MX25_PAD_HSYNC__HSYNC,
+       MX25_PAD_VSYNC__VSYNC,
+       MX25_PAD_LSCLK__LSCLK,
+       MX25_PAD_OE_ACD__OE_ACD,
+       MX25_PAD_CONTRAST__CONTRAST,
+       /* LCD_PWR */
+       MX25_PAD_PWM__GPIO_1_26,
+       /* LED */
+       MX25_PAD_POWER_FAIL__GPIO_3_19,
+       /* SWITCH */
+       MX25_PAD_VSTBY_ACK__GPIO_3_18,
+       /* UART2 */
+       MX25_PAD_UART2_RTS__UART2_RTS,
+       MX25_PAD_UART2_CTS__UART2_CTS,
+       MX25_PAD_UART2_TXD__UART2_TXD,
+       MX25_PAD_UART2_RXD__UART2_RXD,
+       /* SD1 */
+       MX25_PAD_SD1_CMD__SD1_CMD,
+       MX25_PAD_SD1_CLK__SD1_CLK,
+       MX25_PAD_SD1_DATA0__SD1_DATA0,
+       MX25_PAD_SD1_DATA1__SD1_DATA1,
+       MX25_PAD_SD1_DATA2__SD1_DATA2,
+       MX25_PAD_SD1_DATA3__SD1_DATA3,
+       /* SD1 CD */
+       MX25_PAD_DE_B__GPIO_2_20,
+       /* I2S */
+       MX25_PAD_KPP_COL3__AUD5_TXFS,
+       MX25_PAD_KPP_COL2__AUD5_TXC,
+       MX25_PAD_KPP_COL1__AUD5_RXD,
+       MX25_PAD_KPP_COL0__AUD5_TXD,
+};
+
+#define GPIO_LED1      83
+#define GPIO_SWITCH1   82
+#define GPIO_SD1CD     52
+#define GPIO_LCDPWR    26
+
+static struct imx_fb_videomode eukrea_mximxsd_modes[] = {
+       {
+               .mode   = {
+                       .name           = "CMO-QVGA",
+                       .refresh        = 60,
+                       .xres           = 320,
+                       .yres           = 240,
+                       .pixclock       = KHZ2PICOS(6500),
+                       .left_margin    = 30,
+                       .right_margin   = 38,
+                       .upper_margin   = 20,
+                       .lower_margin   = 3,
+                       .hsync_len      = 15,
+                       .vsync_len      = 4,
+               },
+               .bpp    = 16,
+               .pcr    = 0xCAD08B80,
+       },
+};
+
+static struct imx_fb_platform_data eukrea_mximxsd_fb_pdata = {
+       .mode           = eukrea_mximxsd_modes,
+       .num_modes      = ARRAY_SIZE(eukrea_mximxsd_modes),
+       .pwmr           = 0x00A903FF,
+       .lscr1          = 0x00120300,
+       .dmacr          = 0x00040060,
+};
+
+static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd,
+                                  unsigned int power)
+{
+       if (power)
+               gpio_direction_output(GPIO_LCDPWR, 1);
+       else
+               gpio_direction_output(GPIO_LCDPWR, 0);
+}
+
+static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = {
+       .set_power              = eukrea_mbimxsd_lcd_power_set,
+};
+
+static struct platform_device eukrea_mbimxsd_lcd_powerdev = {
+       .name                   = "platform-lcd",
+       .dev.platform_data      = &eukrea_mbimxsd_lcd_power_data,
+};
+
+static struct gpio_led eukrea_mbimxsd_leds[] = {
+       {
+               .name                   = "led1",
+               .default_trigger        = "heartbeat",
+               .active_low             = 1,
+               .gpio                   = GPIO_LED1,
+       },
+};
+
+static struct gpio_led_platform_data eukrea_mbimxsd_led_info = {
+       .leds           = eukrea_mbimxsd_leds,
+       .num_leds       = ARRAY_SIZE(eukrea_mbimxsd_leds),
+};
+
+static struct platform_device eukrea_mbimxsd_leds_gpio = {
+       .name   = "leds-gpio",
+       .id     = -1,
+       .dev    = {
+               .platform_data  = &eukrea_mbimxsd_led_info,
+       },
+};
+
+static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
+       {
+               .gpio           = GPIO_SWITCH1,
+               .code           = BTN_0,
+               .desc           = "BP1",
+               .active_low     = 1,
+               .wakeup         = 1,
+       },
+};
+
+static struct gpio_keys_platform_data eukrea_mbimxsd_button_data = {
+       .buttons        = eukrea_mbimxsd_gpio_buttons,
+       .nbuttons       = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
+};
+
+static struct platform_device eukrea_mbimxsd_button_device = {
+       .name           = "gpio-keys",
+       .id             = -1,
+       .num_resources  = 0,
+       .dev            = {
+               .platform_data  = &eukrea_mbimxsd_button_data,
+       }
+};
+
+static struct platform_device *platform_devices[] __initdata = {
+       &eukrea_mbimxsd_leds_gpio,
+       &eukrea_mbimxsd_button_device,
+       &eukrea_mbimxsd_lcd_powerdev,
+};
+
+static struct imxuart_platform_data uart_pdata = {
+       .flags = IMXUART_HAVE_RTSCTS,
+};
+
+static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
+       {
+               I2C_BOARD_INFO("tlv320aic23", 0x1a),
+       },
+};
+
+struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata = {
+       .flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
+};
+
+/*
+ * system init for baseboard usage. Will be called by cpuimx25 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_mbimxsd_baseboard_init(void)
+{
+       if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
+                       ARRAY_SIZE(eukrea_mbimxsd_pads)))
+               printk(KERN_ERR "error setting mbimxsd pads !\n");
+
+#if defined(CONFIG_SND_SOC_EUKREA_TLV320)
+       /* SSI unit master I2S codec connected to SSI_AUD5*/
+       mxc_audmux_v2_configure_port(0,
+                       MXC_AUDMUX_V2_PTCR_SYN |
+                       MXC_AUDMUX_V2_PTCR_TFSDIR |
+                       MXC_AUDMUX_V2_PTCR_TFSEL(4) |
+                       MXC_AUDMUX_V2_PTCR_TCLKDIR |
+                       MXC_AUDMUX_V2_PTCR_TCSEL(4),
+                       MXC_AUDMUX_V2_PDCR_RXDSEL(4)
+       );
+       mxc_audmux_v2_configure_port(4,
+                       MXC_AUDMUX_V2_PTCR_SYN,
+                       MXC_AUDMUX_V2_PDCR_RXDSEL(0)
+       );
+#endif
+
+       mxc_register_device(&mxc_uart_device1, &uart_pdata);
+       mxc_register_device(&mx25_fb_device, &eukrea_mximxsd_fb_pdata);
+       mxc_register_device(&imx_ssi_device0, &eukrea_mbimxsd_ssi_pdata);
+
+       gpio_request(GPIO_LED1, "LED1");
+       gpio_direction_output(GPIO_LED1, 1);
+       gpio_free(GPIO_LED1);
+
+       gpio_request(GPIO_SWITCH1, "SWITCH1");
+       gpio_direction_input(GPIO_SWITCH1);
+       gpio_free(GPIO_SWITCH1);
+
+       gpio_request(GPIO_LCDPWR, "LCDPWR");
+       gpio_direction_output(GPIO_LCDPWR, 1);
+       gpio_free(GPIO_SWITCH1);
+
+       i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
+                               ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
+
+       platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+}
diff --git a/arch/arm/mach-mx25/mach-cpuimx25.c b/arch/arm/mach-mx25/mach-cpuimx25.c
new file mode 100644 (file)
index 0000000..4796484
--- /dev/null
@@ -0,0 +1,172 @@
+/*
+ * Copyright 2009 Sascha Hauer, <kernel@pengutronix.de>
+ * Copyright 2010 Eric Bénard - Eukréa Electromatique, <eric@eukrea.com>
+ *
+ * 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/types.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/fec.h>
+#include <linux/platform_device.h>
+#include <linux/usb/otg.h>
+#include <linux/usb/ulpi.h>
+#include <linux/fsl_devices.h>
+
+#include <mach/board-eukrea_cpuimx25.h>
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/memory.h>
+#include <asm/mach/map.h>
+#include <mach/common.h>
+#include <mach/imx-uart.h>
+#include <mach/i2c.h>
+#include <mach/mx25.h>
+#include <mach/mxc_nand.h>
+#include <mach/imxfb.h>
+#include <mach/mxc_ehci.h>
+#include <mach/ulpi.h>
+
+#include "devices.h"
+#include <mach/iomux-mx25.h>
+
+static struct imxuart_platform_data uart_pdata = {
+       .flags = IMXUART_HAVE_RTSCTS,
+};
+
+static struct pad_desc eukrea_cpuimx25_pads[] = {
+       /* FEC - RMII */
+       MX25_PAD_FEC_MDC__FEC_MDC,
+       MX25_PAD_FEC_MDIO__FEC_MDIO,
+       MX25_PAD_FEC_TDATA0__FEC_TDATA0,
+       MX25_PAD_FEC_TDATA1__FEC_TDATA1,
+       MX25_PAD_FEC_TX_EN__FEC_TX_EN,
+       MX25_PAD_FEC_RDATA0__FEC_RDATA0,
+       MX25_PAD_FEC_RDATA1__FEC_RDATA1,
+       MX25_PAD_FEC_RX_DV__FEC_RX_DV,
+       MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
+       /* I2C1 */
+       MX25_PAD_I2C1_CLK__I2C1_CLK,
+       MX25_PAD_I2C1_DAT__I2C1_DAT,
+};
+
+static struct fec_platform_data mx25_fec_pdata = {
+       .phy    = PHY_INTERFACE_MODE_RMII,
+};
+
+static struct mxc_nand_platform_data eukrea_cpuimx25_nand_board_info = {
+       .width          = 1,
+       .hw_ecc         = 1,
+       .flash_bbt      = 1,
+};
+
+static struct imxi2c_platform_data eukrea_cpuimx25_i2c_1_data = {
+       .bitrate = 100000,
+};
+
+static struct i2c_board_info eukrea_cpuimx25_i2c_devices[] = {
+       {
+               I2C_BOARD_INFO("pcf8563", 0x51),
+       },
+};
+
+static struct mxc_usbh_platform_data otg_pdata = {
+       .portsc = MXC_EHCI_MODE_UTMI,
+       .flags  = MXC_EHCI_INTERFACE_DIFF_UNI,
+};
+
+static struct mxc_usbh_platform_data usbh2_pdata = {
+       .portsc = MXC_EHCI_MODE_SERIAL,
+       .flags  = MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY |
+                 MXC_EHCI_IPPUE_DOWN,
+};
+
+static struct fsl_usb2_platform_data otg_device_pdata = {
+       .operating_mode = FSL_USB2_DR_DEVICE,
+       .phy_mode       = FSL_USB2_PHY_UTMI,
+};
+
+static int otg_mode_host;
+
+static int __init eukrea_cpuimx25_otg_mode(char *options)
+{
+       if (!strcmp(options, "host"))
+               otg_mode_host = 1;
+       else if (!strcmp(options, "device"))
+               otg_mode_host = 0;
+       else
+               pr_info("otg_mode neither \"host\" nor \"device\". "
+                       "Defaulting to device\n");
+       return 0;
+}
+__setup("otg_mode=", eukrea_cpuimx25_otg_mode);
+
+static void __init eukrea_cpuimx25_init(void)
+{
+       if (mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx25_pads,
+                       ARRAY_SIZE(eukrea_cpuimx25_pads)))
+               printk(KERN_ERR "error setting cpuimx25 pads !\n");
+
+       mxc_register_device(&mxc_uart_device0, &uart_pdata);
+       mxc_register_device(&mxc_nand_device, &eukrea_cpuimx25_nand_board_info);
+       mxc_register_device(&mx25_rtc_device, NULL);
+       mxc_register_device(&mx25_fec_device, &mx25_fec_pdata);
+
+       i2c_register_board_info(0, eukrea_cpuimx25_i2c_devices,
+                               ARRAY_SIZE(eukrea_cpuimx25_i2c_devices));
+       mxc_register_device(&mxc_i2c_device0, &eukrea_cpuimx25_i2c_1_data);
+
+#if defined(CONFIG_USB_ULPI)
+       if (otg_mode_host) {
+               otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
+                               USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
+
+               mxc_register_device(&mxc_otg, &otg_pdata);
+       }
+       mxc_register_device(&mxc_usbh2, &usbh2_pdata);
+#endif
+       if (!otg_mode_host)
+               mxc_register_device(&otg_udc_device, &otg_device_pdata);
+
+#ifdef CONFIG_MACH_EUKREA_MBIMXSD_BASEBOARD
+       eukrea_mbimxsd_baseboard_init();
+#endif
+}
+
+static void __init eukrea_cpuimx25_timer_init(void)
+{
+       mx25_clocks_init();
+}
+
+static struct sys_timer eukrea_cpuimx25_timer = {
+       .init   = eukrea_cpuimx25_timer_init,
+};
+
+MACHINE_START(EUKREA_CPUIMX25, "Eukrea CPUIMX25")
+       /* Maintainer: Eukrea Electromatique */
+       .phys_io        = MX25_AIPS1_BASE_ADDR,
+       .io_pg_offst    = ((MX25_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+       .boot_params    = MX25_PHYS_OFFSET + 0x100,
+       .map_io         = mx25_map_io,
+       .init_irq       = mx25_init_irq,
+       .init_machine   = eukrea_cpuimx25_init,
+       .timer          = &eukrea_cpuimx25_timer,
+MACHINE_END
diff --git a/arch/arm/plat-mxc/include/mach/board-eukrea_cpuimx25.h b/arch/arm/plat-mxc/include/mach/board-eukrea_cpuimx25.h
new file mode 100644 (file)
index 0000000..5c9901e
--- /dev/null
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2010 Eric Benard - eric@eukrea.com
+ *
+ * Based on board-pcm038.h 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.
+ */
+
+#ifndef __ASM_ARCH_MXC_BOARD_EUKREA_CPUIMX25_H__
+#define __ASM_ARCH_MXC_BOARD_EUKREA_CPUIMX25_H__
+
+#ifndef __ASSEMBLY__
+/*
+ * This CPU module needs a baseboard to work. After basic initializing
+ * its own devices, it calls baseboard's init function.
+ * TODO: Add your own baseboard init function and call it from
+ * inside eukrea_cpuimx25_init().
+ *
+ * This example here is for the development board. Refer
+ * eukrea_mbimx25-baseboard.c
+ */
+
+extern void eukrea_mbimxsd_baseboard_init(void);
+
+#endif
+
+#endif /* __ASM_ARCH_MXC_BOARD_EUKREA_CPUIMX25_H__ */