brain-hackers_pepepper-mirror/linux-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/linux-brain.git synced 2024-06-09 23:36:23 +09:00
Code Issues Projects Releases Wiki Activity
brain
linux-brain/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
Thomas Gleixner 1621633323 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 
Based on 2 normalized pattern(s):

  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

  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 [no]_[pad]_[ctrl] 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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 176 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190519154040.652910950@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21 11:28:39 +02:00

594 lines
14 KiB
C
Raw Permalink Blame History

// 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
Reference in New Issue View Git Blame Copy Permalink