--- /dev/null
+/*
+ * 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/platform_data/pca953x.h>
+#include <linux/input.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/leds.h>
+#include <linux/platform_data/asoc-mx27vis.h>
+#include <media/soc_camera.h>
+#include <sound/tlv320aic32x4.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/system_info.h>
+#include <asm/memblock.h>
+
+#include "common.h"
+#include "devices-imx27.h"
+#include "ehci.h"
+#include "hardware.h"
+#include "iomux-mx27.h"
+
+#define TVP5150_RSTN (GPIO_PORTC + 18)
+#define TVP5150_PWDN (GPIO_PORTC + 19)
+#define OTG_PHY_CS_GPIO (GPIO_PORTF + 17)
+#define SDHC1_IRQ_GPIO IMX_GPIO_NR(2, 25)
+
+#define VERSION_MASK 0x7
+#define MOTHERBOARD_SHIFT 4
+#define EXPBOARD_SHIFT 0
+
+#define MOTHERBOARD_BIT2 (GPIO_PORTD + 31)
+#define MOTHERBOARD_BIT1 (GPIO_PORTD + 30)
+#define MOTHERBOARD_BIT0 (GPIO_PORTD + 29)
+
+#define EXPBOARD_BIT2 (GPIO_PORTD + 25)
+#define EXPBOARD_BIT1 (GPIO_PORTD + 27)
+#define EXPBOARD_BIT0 (GPIO_PORTD + 28)
+
+#define AMP_GAIN_0 (GPIO_PORTF + 9)
+#define AMP_GAIN_1 (GPIO_PORTF + 8)
+#define AMP_MUTE_SDL (GPIO_PORTE + 5)
+#define AMP_MUTE_SDR (GPIO_PORTF + 7)
+
+static const int visstrim_m10_pins[] __initconst = {
+ /* 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,
+ /* SSI1 */
+ PC20_PF_SSI1_FS,
+ PC21_PF_SSI1_RXD,
+ PC22_PF_SSI1_TXD,
+ PC23_PF_SSI1_CLK,
+ /* 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,
+ /* CSI */
+ TVP5150_RSTN | GPIO_GPIO | GPIO_OUT,
+ TVP5150_PWDN | GPIO_GPIO | GPIO_OUT,
+ PB10_PF_CSI_D0,
+ PB11_PF_CSI_D1,
+ PB12_PF_CSI_D2,
+ PB13_PF_CSI_D3,
+ PB14_PF_CSI_D4,
+ PB15_PF_CSI_MCLK,
+ PB16_PF_CSI_PIXCLK,
+ PB17_PF_CSI_D5,
+ PB18_PF_CSI_D6,
+ PB19_PF_CSI_D7,
+ PB20_PF_CSI_VSYNC,
+ PB21_PF_CSI_HSYNC,
+ /* mother board version */
+ MOTHERBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
+ MOTHERBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
+ MOTHERBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
+ /* expansion board version */
+ EXPBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
+ EXPBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
+ EXPBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
+ /* Audio AMP control */
+ AMP_GAIN_0 | GPIO_GPIO | GPIO_OUT,
+ AMP_GAIN_1 | GPIO_GPIO | GPIO_OUT,
+ AMP_MUTE_SDL | GPIO_GPIO | GPIO_OUT,
+ AMP_MUTE_SDR | GPIO_GPIO | GPIO_OUT,
+};
+
+static struct gpio visstrim_m10_version_gpios[] = {
+ { EXPBOARD_BIT0, GPIOF_IN, "exp-version-0" },
+ { EXPBOARD_BIT1, GPIOF_IN, "exp-version-1" },
+ { EXPBOARD_BIT2, GPIOF_IN, "exp-version-2" },
+ { MOTHERBOARD_BIT0, GPIOF_IN, "mother-version-0" },
+ { MOTHERBOARD_BIT1, GPIOF_IN, "mother-version-1" },
+ { MOTHERBOARD_BIT2, GPIOF_IN, "mother-version-2" },
+};
+
+static const struct gpio visstrim_m10_gpios[] __initconst = {
+ {
+ .gpio = TVP5150_RSTN,
+ .flags = GPIOF_DIR_OUT | GPIOF_INIT_HIGH,
+ .label = "tvp5150_rstn",
+ },
+ {
+ .gpio = TVP5150_PWDN,
+ .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
+ .label = "tvp5150_pwdn",
+ },
+ {
+ .gpio = OTG_PHY_CS_GPIO,
+ .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
+ .label = "usbotg_cs",
+ },
+ {
+ .gpio = AMP_GAIN_0,
+ .flags = GPIOF_DIR_OUT,
+ .label = "amp-gain-0",
+ },
+ {
+ .gpio = AMP_GAIN_1,
+ .flags = GPIOF_DIR_OUT,
+ .label = "amp-gain-1",
+ },
+ {
+ .gpio = AMP_MUTE_SDL,
+ .flags = GPIOF_DIR_OUT,
+ .label = "amp-mute-sdl",
+ },
+ {
+ .gpio = AMP_MUTE_SDR,
+ .flags = GPIOF_DIR_OUT,
+ .label = "amp-mute-sdr",
+ },
+};
+
+/* Camera */
+static int visstrim_camera_power(struct device *dev, int on)
+{
+ gpio_set_value(TVP5150_PWDN, on);
+
+ return 0;
+};
+
+static int visstrim_camera_reset(struct device *dev)
+{
+ gpio_set_value(TVP5150_RSTN, 0);
+ ndelay(500);
+ gpio_set_value(TVP5150_RSTN, 1);
+
+ return 0;
+};
+
+static struct i2c_board_info visstrim_i2c_camera = {
+ I2C_BOARD_INFO("tvp5150", 0x5d),
+};
+
+static struct soc_camera_link iclink_tvp5150 = {
+ .bus_id = 0,
+ .board_info = &visstrim_i2c_camera,
+ .i2c_adapter_id = 0,
+ .power = visstrim_camera_power,
+ .reset = visstrim_camera_reset,
+};
+
+static struct mx2_camera_platform_data visstrim_camera = {
+ .flags = MX2_CAMERA_CCIR | MX2_CAMERA_CCIR_INTERLACE |
+ MX2_CAMERA_PCLK_SAMPLE_RISING,
+ .clk = 100000,
+};
+
+static phys_addr_t mx2_camera_base __initdata;
+#define MX2_CAMERA_BUF_SIZE SZ_8M
+
+static void __init visstrim_analog_camera_init(void)
+{
+ struct platform_device *pdev;
+ int dma;
+
+ gpio_set_value(TVP5150_PWDN, 1);
+ ndelay(1);
+ gpio_set_value(TVP5150_RSTN, 0);
+ ndelay(500);
+ gpio_set_value(TVP5150_RSTN, 1);
+ ndelay(200000);
+
+ pdev = imx27_add_mx2_camera(&visstrim_camera);
+ if (IS_ERR(pdev))
+ return;
+
+ dma = dma_declare_coherent_memory(&pdev->dev,
+ mx2_camera_base, mx2_camera_base,
+ MX2_CAMERA_BUF_SIZE,
+ DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
+ if (!(dma & DMA_MEMORY_MAP))
+ return;
+}
+
+static void __init visstrim_reserve(void)
+{
+ /* reserve 4 MiB for mx2-camera */
+ mx2_camera_base = arm_memblock_steal(3 * MX2_CAMERA_BUF_SIZE,
+ MX2_CAMERA_BUF_SIZE);
+}
+
+/* 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 const struct gpio_keys_platform_data
+ visstrim_gpio_keys_platform_data __initconst = {
+ .buttons = visstrim_gpio_keys,
+ .nbuttons = ARRAY_SIZE(visstrim_gpio_keys),
+};
+
+/* led */
+static const struct gpio_led visstrim_m10_leds[] __initconst = {
+ {
+ .name = "visstrim:ld0",
+ .default_trigger = "nand-disk",
+ .gpio = (GPIO_PORTC + 29),
+ },
+ {
+ .name = "visstrim:ld1",
+ .default_trigger = "nand-disk",
+ .gpio = (GPIO_PORTC + 24),
+ },
+ {
+ .name = "visstrim:ld2",
+ .default_trigger = "nand-disk",
+ .gpio = (GPIO_PORTC + 28),
+ },
+ {
+ .name = "visstrim:ld3",
+ .default_trigger = "nand-disk",
+ .gpio = (GPIO_PORTC + 25),
+ },
+};
+
+static const struct gpio_led_platform_data visstrim_m10_led_data __initconst = {
+ .leds = visstrim_m10_leds,
+ .num_leds = ARRAY_SIZE(visstrim_m10_leds),
+};
+
+/* 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(gpio_to_irq(SDHC1_IRQ_GPIO), detect_irq,
+ IRQF_TRIGGER_FALLING, "mmc-detect", data);
+ return ret;
+}
+
+static void visstrim_m10_sdhc1_exit(struct device *dev, void *data)
+{
+ free_irq(gpio_to_irq(SDHC1_IRQ_GPIO), data);
+}
+
+static const struct imxmmc_platform_data visstrim_m10_sdhc_pdata __initconst = {
+ .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_m10_nor_mtd_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 aic32x4_pdata visstrim_m10_aic32x4_pdata = {
+ .power_cfg = AIC32X4_PWR_MICBIAS_2075_LDOIN |
+ AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE |
+ AIC32X4_PWR_AIC32X4_LDO_ENABLE |
+ AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36 |
+ AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED,
+ .micpga_routing = AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K |
+ AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K,
+ .swapdacs = false,
+};
+
+static struct i2c_board_info visstrim_m10_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("pca9555", 0x20),
+ .platform_data = &visstrim_m10_pca9555_pdata,
+ },
+ {
+ I2C_BOARD_INFO("tlv320aic32x4", 0x18),
+ .platform_data = &visstrim_m10_aic32x4_pdata,
+ },
+ {
+ I2C_BOARD_INFO("m41t00", 0x68),
+ }
+};
+
+/* USB OTG */
+static int otg_phy_init(struct platform_device *pdev)
+{
+ return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
+}
+
+static const struct mxc_usbh_platform_data
+visstrim_m10_usbotg_pdata __initconst = {
+ .init = otg_phy_init,
+ .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
+};
+
+/* SSI */
+static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst = {
+ .flags = IMX_SSI_DMA | IMX_SSI_SYN,
+};
+
+/* coda */
+
+static void __init visstrim_coda_init(void)
+{
+ struct platform_device *pdev;
+ int dma;
+
+ pdev = imx27_add_coda();
+ dma = dma_declare_coherent_memory(&pdev->dev,
+ mx2_camera_base + MX2_CAMERA_BUF_SIZE,
+ mx2_camera_base + MX2_CAMERA_BUF_SIZE,
+ MX2_CAMERA_BUF_SIZE,
+ DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
+ if (!(dma & DMA_MEMORY_MAP))
+ return;
+}
+
+/* DMA deinterlace */
+static struct platform_device visstrim_deinterlace = {
+ .name = "m2m-deinterlace",
+ .id = 0,
+};
+
+static void __init visstrim_deinterlace_init(void)
+{
+ int ret = -ENOMEM;
+ struct platform_device *pdev = &visstrim_deinterlace;
+ int dma;
+
+ ret = platform_device_register(pdev);
+
+ dma = dma_declare_coherent_memory(&pdev->dev,
+ mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
+ mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
+ MX2_CAMERA_BUF_SIZE,
+ DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
+ if (!(dma & DMA_MEMORY_MAP))
+ return;
+}
+
+/* Emma-PrP for format conversion */
+static void __init visstrim_emmaprp_init(void)
+{
+ struct platform_device *pdev;
+ int dma;
+
+ pdev = imx27_add_mx2_emmaprp();
+ if (IS_ERR(pdev))
+ return;
+
+ /*
+ * Use the same memory area as the analog camera since both
+ * devices are, by nature, exclusive.
+ */
+ dma = dma_declare_coherent_memory(&pdev->dev,
+ mx2_camera_base, mx2_camera_base,
+ MX2_CAMERA_BUF_SIZE,
+ DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
+ if (!(dma & DMA_MEMORY_MAP))
+ pr_err("Failed to declare memory for emmaprp\n");
+}
+
+/* Audio */
+static const struct snd_mx27vis_platform_data snd_mx27vis_pdata __initconst = {
+ .amp_gain0_gpio = AMP_GAIN_0,
+ .amp_gain1_gpio = AMP_GAIN_1,
+ .amp_mutel_gpio = AMP_MUTE_SDL,
+ .amp_muter_gpio = AMP_MUTE_SDR,
+};
+
+static void __init visstrim_m10_revision(void)
+{
+ int exp_version = 0;
+ int mo_version = 0;
+ int ret;
+
+ ret = gpio_request_array(visstrim_m10_version_gpios,
+ ARRAY_SIZE(visstrim_m10_version_gpios));
+ if (ret) {
+ pr_err("Failed to request version gpios");
+ return;
+ }
+
+ /* Get expansion board version (negative logic) */
+ exp_version |= !gpio_get_value(EXPBOARD_BIT2) << 2;
+ exp_version |= !gpio_get_value(EXPBOARD_BIT1) << 1;
+ exp_version |= !gpio_get_value(EXPBOARD_BIT0);
+
+ /* Get mother board version (negative logic) */
+ mo_version |= !gpio_get_value(MOTHERBOARD_BIT2) << 2;
+ mo_version |= !gpio_get_value(MOTHERBOARD_BIT1) << 1;
+ mo_version |= !gpio_get_value(MOTHERBOARD_BIT0);
+
+ system_rev = 0x27000;
+ system_rev |= (mo_version << MOTHERBOARD_SHIFT);
+ system_rev |= (exp_version << EXPBOARD_SHIFT);
+}
+
+static void __init visstrim_m10_board_init(void)
+{
+ int ret;
+ int mo_version;
+
+ imx27_soc_init();
+ visstrim_m10_revision();
+
+ 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);
+
+ ret = gpio_request_array(visstrim_m10_gpios,
+ ARRAY_SIZE(visstrim_m10_gpios));
+ if (ret)
+ pr_err("Failed to request gpios (%d)\n", ret);
+
+ imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
+ imx27_add_imx_uart0(&uart_pdata);
+
+ imx27_add_imx_i2c(0, &visstrim_m10_i2c_data);
+ imx27_add_imx_i2c(1, &visstrim_m10_i2c_data);
+ i2c_register_board_info(0, visstrim_m10_i2c_devices,
+ ARRAY_SIZE(visstrim_m10_i2c_devices));
+
+ imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata);
+ imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata);
+ imx27_add_fec(NULL);
+ imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);
+ platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+ imx_add_platform_device("mx27vis", 0, NULL, 0, &snd_mx27vis_pdata,
+ sizeof(snd_mx27vis_pdata));
+ platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0,
+ &iclink_tvp5150, sizeof(iclink_tvp5150));
+ gpio_led_register_device(0, &visstrim_m10_led_data);
+
+ /* Use mother board version to decide what video devices we shall use */
+ mo_version = (system_rev >> MOTHERBOARD_SHIFT) & VERSION_MASK;
+ if (mo_version & 0x1) {
+ visstrim_emmaprp_init();
+
+ /*
+ * Despite not being used, tvp5150 must be
+ * powered on to avoid I2C problems. To minimize
+ * power consupmtion keep reset enabled.
+ */
+ gpio_set_value(TVP5150_PWDN, 1);
+ ndelay(1);
+ gpio_set_value(TVP5150_RSTN, 0);
+ } else {
+ visstrim_deinterlace_init();
+ visstrim_analog_camera_init();
+ }
+ visstrim_coda_init();
+}
+
+static void __init visstrim_m10_timer_init(void)
+{
+ mx27_clocks_init((unsigned long)25000000);
+}
+
+MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
+ .atag_offset = 0x100,
+ .reserve = visstrim_reserve,
+ .map_io = mx27_map_io,
+ .init_early = imx27_init_early,
+ .init_irq = mx27_init_irq,
+ .init_time = visstrim_m10_timer_init,
+ .init_machine = visstrim_m10_board_init,
+ .restart = mxc_restart,
+MACHINE_END
Code Review / kvmfornfv.git / blobdiff