Linux 5.7.6

[linux/fpc-iii.git] / arch / arm / mach-imx / mach-imx27_visstrim_m10.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * 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.
 */

#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;

        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_declare_coherent_memory(&pdev->dev, mx2_camera_base,
                                    mx2_camera_base, MX2_CAMERA_BUF_SIZE);
}

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;

        pdev = imx27_add_coda();
        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 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;

        ret = platform_device_register(pdev);

        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);
}

/* Emma-PrP for format conversion */
static void __init visstrim_emmaprp_init(void)
{
        struct platform_device *pdev;
        int ret;

        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.
         */
        ret = dma_declare_coherent_memory(&pdev->dev,
                                mx2_camera_base, mx2_camera_base,
                                MX2_CAMERA_BUF_SIZE);
        if (ret)
                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;

        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);

        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);

        platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
}

static void __init visstrim_m10_late_init(void)
{
        int mo_version, ret;

        ret = gpio_request_array(visstrim_m10_gpios,
                                 ARRAY_SIZE(visstrim_m10_gpios));
        if (ret)
                pr_err("Failed to request gpios (%d)\n", ret);

        imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);

        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,
        .init_late      = visstrim_m10_late_init,
        .restart        = mxc_restart,
MACHINE_END