3 files changed, 273 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index c5c0369bb481..19ed16d0017e 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -163,6 +163,15 @@ config MACH_MX27_3DS
           Include support for MX27PDK platform. This includes specific
           configurations for the board and its peripherals.
 
+config MACH_IMX27_VISSTRIM_M10
+        bool "Vista Silicon i.MX27 Visstrim_m10"
+        select IMX_HAVE_PLATFORM_IMX_I2C
+        select IMX_HAVE_PLATFORM_IMX_UART
+        help
+          Include support for Visstrim_m10 platform and its different variants.
+          This includes specific configurations for the board and its
+          peripherals.
+
 config MACH_IMX27LITE
         bool "LogicPD MX27 LITEKIT platform"
         select IMX_HAVE_PLATFORM_IMX_UART
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 46a9fdfbbd15..5582692bb176 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -27,6 +27,7 @@ obj-$(CONFIG_MACH_PCM038) += mach-pcm038.o
 obj-$(CONFIG_MACH_PCM970_BASEBOARD) += pcm970-baseboard.o
 obj-$(CONFIG_MACH_MX27_3DS) += mach-mx27_3ds.o
 obj-$(CONFIG_MACH_IMX27LITE) += mach-imx27lite.o
+obj-$(CONFIG_MACH_IMX27_VISSTRIM_M10) += mach-imx27_visstrim_m10.o
 obj-$(CONFIG_MACH_CPUIMX27) += mach-cpuimx27.o
 obj-$(CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD) += eukrea_mbimx27-baseboard.o
 obj-$(CONFIG_MACH_PCA100) += mach-pca100.o
diff --git a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
new file mode 100644
index 000000000000..6dad632b83d6
--- /dev/null
+++ b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
@@ -0,0 +1,263 @@
+/*
+ * mach-imx27_visstrim_m10.c
+ *
+ * Copyright 2010  Javier Martin <javier.martin@vista-silicon.com>
+ *
+ * Based on mach-pcm038.c, mach-pca100.c, mach-mx27ads.c and others.
+ *
+ * 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.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+#include <linux/i2c.h>
+#include <linux/i2c/pca953x.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/gpio.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <mach/common.h>
+#include <mach/mmc.h>
+#include <mach/iomux.h>
+#include <mach/mxc_ehci.h>
+
+#include "devices-imx27.h"
+#include "devices.h"
+
+#define OTG_PHY_CS_GPIO (GPIO_PORTF + 17)
+#define SDHC1_IRQ IRQ_GPIOB(25)
+
+static int visstrim_m10_pins[] = {
+        /* UART1 (console) */
+        PE12_PF_UART1_TXD,
+        PE13_PF_UART1_RXD,
+        PE14_PF_UART1_CTS,
+        PE15_PF_UART1_RTS,
+        /* FEC */
+        PD0_AIN_FEC_TXD0,
+        PD1_AIN_FEC_TXD1,
+        PD2_AIN_FEC_TXD2,
+        PD3_AIN_FEC_TXD3,
+        PD4_AOUT_FEC_RX_ER,
+        PD5_AOUT_FEC_RXD1,
+        PD6_AOUT_FEC_RXD2,
+        PD7_AOUT_FEC_RXD3,
+        PD8_AF_FEC_MDIO,
+        PD9_AIN_FEC_MDC,
+        PD10_AOUT_FEC_CRS,
+        PD11_AOUT_FEC_TX_CLK,
+        PD12_AOUT_FEC_RXD0,
+        PD13_AOUT_FEC_RX_DV,
+        PD14_AOUT_FEC_RX_CLK,
+        PD15_AOUT_FEC_COL,
+        PD16_AIN_FEC_TX_ER,
+        PF23_AIN_FEC_TX_EN,
+        /* 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,
+        /* Both I2Cs */
+        PD17_PF_I2C_DATA,
+        PD18_PF_I2C_CLK,
+        PC5_PF_I2C2_SDA,
+        PC6_PF_I2C2_SCL,
+        /* USB OTG */
+        OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
+        PC9_PF_USBOTG_DATA0,
+        PC11_PF_USBOTG_DATA1,
+        PC10_PF_USBOTG_DATA2,
+        PC13_PF_USBOTG_DATA3,
+        PC12_PF_USBOTG_DATA4,
+        PC7_PF_USBOTG_DATA5,
+        PC8_PF_USBOTG_DATA6,
+        PE25_PF_USBOTG_DATA7,
+        PE24_PF_USBOTG_CLK,
+        PE2_PF_USBOTG_DIR,
+        PE0_PF_USBOTG_NXT,
+        PE1_PF_USBOTG_STP,
+        PB23_PF_USB_PWR,
+        PB24_PF_USB_OC,
+};
+
+/* GPIOs used as events for applications */
+static struct gpio_keys_button visstrim_gpio_keys[] = {
+        {
+                .type   = EV_KEY,
+                .code   = KEY_RESTART,
+                .gpio   = (GPIO_PORTC + 15),
+                .desc   = "Default config",
+                .active_low = 0,
+                .wakeup = 1,
+        },
+        {
+                .type   = EV_KEY,
+                .code   = KEY_RECORD,
+                .gpio   = (GPIO_PORTF + 14),
+                .desc   = "Record",
+                .active_low = 0,
+                .wakeup = 1,
+        },
+        {
+                .type   = EV_KEY,
+                .code   = KEY_STOP,
+                .gpio   = (GPIO_PORTF + 13),
+                .desc   = "Stop",
+                .active_low = 0,
+                .wakeup = 1,
+        }
+};
+
+static struct gpio_keys_platform_data visstrim_gpio_keys_platform_data = {
+        .buttons        = visstrim_gpio_keys,
+        .nbuttons       = ARRAY_SIZE(visstrim_gpio_keys),
+};
+
+static struct platform_device visstrim_gpio_keys_device = {
+        .name   = "gpio-keys",
+        .id     = -1,
+        .dev    = {
+                .platform_data  = &visstrim_gpio_keys_platform_data,
+        },
+};
+
+/* Visstrim_SM10 has a microSD slot connected to sdhc1 */
+static int visstrim_m10_sdhc1_init(struct device *dev,
+                irq_handler_t detect_irq, void *data)
+{
+        int ret;
+
+        ret = request_irq(SDHC1_IRQ, detect_irq, IRQF_TRIGGER_FALLING,
+                                "mmc-detect", data);
+        return ret;
+}
+
+static void visstrim_m10_sdhc1_exit(struct device *dev, void *data)
+{
+        free_irq(SDHC1_IRQ, data);
+}
+
+static struct imxmmc_platform_data visstrim_m10_sdhc_pdata = {
+        .init = visstrim_m10_sdhc1_init,
+        .exit = visstrim_m10_sdhc1_exit,
+};
+
+/* Visstrim_SM10 NOR flash */
+static struct physmap_flash_data visstrim_m10_flash_data = {
+        .width = 2,
+};
+
+static struct resource visstrim_m10_flash_resource = {
+        .start = 0xc0000000,
+        .end = 0xc0000000 + SZ_64M - 1,
+        .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device visstrim_m10_nor_mtd_device = {
+        .name = "physmap-flash",
+        .id = 0,
+        .dev = {
+                .platform_data = &visstrim_m10_flash_data,
+        },
+        .num_resources = 1,
+        .resource = &visstrim_m10_flash_resource,
+};
+
+static struct platform_device *platform_devices[] __initdata = {
+        &visstrim_gpio_keys_device,
+        &visstrim_m10_nor_mtd_device,
+        &mxc_fec_device,
+};
+
+/* Visstrim_M10 uses UART0 as console */
+static const struct imxuart_platform_data uart_pdata __initconst = {
+        .flags = IMXUART_HAVE_RTSCTS,
+};
+
+/* I2C */
+static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst = {
+        .bitrate = 100000,
+};
+
+static struct pca953x_platform_data visstrim_m10_pca9555_pdata = {
+        .gpio_base = 240, /* After MX27 internal GPIOs */
+        .invert = 0,
+};
+
+static struct i2c_board_info visstrim_m10_i2c_devices[] = {
+        {
+                I2C_BOARD_INFO("pca9555", 0x20),
+                .platform_data = &visstrim_m10_pca9555_pdata,
+        },
+};
+
+/* USB OTG */
+static int otg_phy_init(struct platform_device *pdev)
+{
+        gpio_set_value(OTG_PHY_CS_GPIO, 0);
+        return 0;
+}
+
+static struct mxc_usbh_platform_data visstrim_m10_usbotg_pdata = {
+        .init = otg_phy_init,
+        .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
+        .flags  = MXC_EHCI_POWER_PINS_ENABLED,
+};
+
+static void __init visstrim_m10_board_init(void)
+{
+        int ret;
+
+        ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins,
+                        ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10");
+        if (ret)
+                pr_err("Failed to setup pins (%d)\n", ret);
+
+        imx27_add_imx_uart0(&uart_pdata);
+
+        i2c_register_board_info(0, visstrim_m10_i2c_devices,
+                                ARRAY_SIZE(visstrim_m10_i2c_devices));
+        imx27_add_i2c_imx0(&visstrim_m10_i2c_data);
+        imx27_add_i2c_imx1(&visstrim_m10_i2c_data);
+        mxc_register_device(&mxc_sdhc_device0, &visstrim_m10_sdhc_pdata);
+        mxc_register_device(&mxc_otg_host, &visstrim_m10_usbotg_pdata);
+        platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+}
+
+static void __init visstrim_m10_timer_init(void)
+{
+        mx27_clocks_init((unsigned long)25000000);
+}
+
+static struct sys_timer visstrim_m10_timer = {
+        .init   = visstrim_m10_timer_init,
+};
+
+MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
+        .phys_io        = MX27_AIPI_BASE_ADDR,
+        .io_pg_offst    = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+        .boot_params    = MX27_PHYS_OFFSET + 0x100,
+        .map_io         = mx27_map_io,
+        .init_irq       = mx27_init_irq,
+        .init_machine   = visstrim_m10_board_init,
+        .timer          = &visstrim_m10_timer,
+MACHINE_END