Contributors: 24
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Kevin Hilman |
906 |
56.95% |
2 |
5.13% |
| Lad Prabhakar |
260 |
16.34% |
3 |
7.69% |
| Murali Karicheri |
232 |
14.58% |
2 |
5.13% |
| Linus Walleij |
48 |
3.02% |
1 |
2.56% |
| Philip Avinash |
34 |
2.14% |
1 |
2.56% |
| Sekhar Nori |
30 |
1.89% |
2 |
5.13% |
| Chaithrika U S |
16 |
1.01% |
2 |
5.13% |
| Bartosz Golaszewski |
11 |
0.69% |
4 |
10.26% |
| Nico Pitre |
7 |
0.44% |
2 |
5.13% |
| Sergei Shtylyov |
7 |
0.44% |
3 |
7.69% |
| Vaibhav Hiremath |
5 |
0.31% |
1 |
2.56% |
| Shawn Guo |
5 |
0.31% |
1 |
2.56% |
| Geliang Tang |
5 |
0.31% |
1 |
2.56% |
| Sneha Narnakaje |
5 |
0.31% |
1 |
2.56% |
| David Lechner |
4 |
0.25% |
2 |
5.13% |
| Philby John |
3 |
0.19% |
1 |
2.56% |
| Manjunath Hadli |
3 |
0.19% |
1 |
2.56% |
| Boris Brezillon |
2 |
0.13% |
2 |
5.13% |
| Brian Norris |
2 |
0.13% |
2 |
5.13% |
| Miquel Raynal |
2 |
0.13% |
1 |
2.56% |
| Stephen Warren |
1 |
0.06% |
1 |
2.56% |
| Mauro Carvalho Chehab |
1 |
0.06% |
1 |
2.56% |
| Arnd Bergmann |
1 |
0.06% |
1 |
2.56% |
| Prakash Manjunathappa |
1 |
0.06% |
1 |
2.56% |
| Total |
1591 |
|
39 |
|
/*
* TI DaVinci EVM board support
*
* Author: Kevin Hilman, Deep Root Systems, LLC
*
* 2007 (c) MontaVista Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/rawnand.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/gpio/machine.h>
#include <linux/clk.h>
#include <linux/dm9000.h>
#include <linux/videodev2.h>
#include <media/i2c/tvp514x.h>
#include <linux/spi/spi.h>
#include <linux/spi/eeprom.h>
#include <linux/platform_data/gpio-davinci.h>
#include <linux/platform_data/i2c-davinci.h>
#include <linux/platform_data/mtd-davinci.h>
#include <linux/platform_data/mmc-davinci.h>
#include <linux/platform_data/usb-davinci.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/serial.h>
#include <mach/common.h>
#include "davinci.h"
/* NOTE: this is geared for the standard config, with a socketed
* 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors. If you
* swap chips, maybe with a different block size, partitioning may
* need to be changed.
*/
#define NAND_BLOCK_SIZE SZ_128K
static struct mtd_partition davinci_nand_partitions[] = {
{
/* UBL (a few copies) plus U-Boot */
.name = "bootloader",
.offset = 0,
.size = 15 * NAND_BLOCK_SIZE,
.mask_flags = MTD_WRITEABLE, /* force read-only */
}, {
/* U-Boot environment */
.name = "params",
.offset = MTDPART_OFS_APPEND,
.size = 1 * NAND_BLOCK_SIZE,
.mask_flags = 0,
}, {
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = SZ_4M,
.mask_flags = 0,
}, {
.name = "filesystem1",
.offset = MTDPART_OFS_APPEND,
.size = SZ_512M,
.mask_flags = 0,
}, {
.name = "filesystem2",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
.mask_flags = 0,
}
/* two blocks with bad block table (and mirror) at the end */
};
static struct davinci_nand_pdata davinci_nand_data = {
.core_chipsel = 0,
.mask_chipsel = BIT(14),
.parts = davinci_nand_partitions,
.nr_parts = ARRAY_SIZE(davinci_nand_partitions),
.engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST,
.bbt_options = NAND_BBT_USE_FLASH,
.ecc_bits = 4,
};
static struct resource davinci_nand_resources[] = {
{
.start = DM355_ASYNC_EMIF_DATA_CE0_BASE,
.end = DM355_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1,
.flags = IORESOURCE_MEM,
}, {
.start = DM355_ASYNC_EMIF_CONTROL_BASE,
.end = DM355_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device davinci_nand_device = {
.name = "davinci_nand",
.id = 0,
.num_resources = ARRAY_SIZE(davinci_nand_resources),
.resource = davinci_nand_resources,
.dev = {
.platform_data = &davinci_nand_data,
},
};
#define DM355_I2C_SDA_PIN GPIO_TO_PIN(0, 15)
#define DM355_I2C_SCL_PIN GPIO_TO_PIN(0, 14)
static struct gpiod_lookup_table i2c_recovery_gpiod_table = {
.dev_id = "i2c_davinci.1",
.table = {
GPIO_LOOKUP("davinci_gpio", DM355_I2C_SDA_PIN, "sda",
GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
GPIO_LOOKUP("davinci_gpio", DM355_I2C_SCL_PIN, "scl",
GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
{ }
},
};
static struct davinci_i2c_platform_data i2c_pdata = {
.bus_freq = 400 /* kHz */,
.bus_delay = 0 /* usec */,
.gpio_recovery = true,
};
static int dm355evm_mmc_gpios = -EINVAL;
static void dm355evm_mmcsd_gpios(unsigned gpio)
{
gpio_request(gpio + 0, "mmc0_ro");
gpio_request(gpio + 1, "mmc0_cd");
gpio_request(gpio + 2, "mmc1_ro");
gpio_request(gpio + 3, "mmc1_cd");
/* we "know" these are input-only so we don't
* need to call gpio_direction_input()
*/
dm355evm_mmc_gpios = gpio;
}
static struct i2c_board_info dm355evm_i2c_info[] = {
{ I2C_BOARD_INFO("dm355evm_msp", 0x25),
.platform_data = dm355evm_mmcsd_gpios,
},
/* { plus irq }, */
{ I2C_BOARD_INFO("tlv320aic33", 0x1b), },
};
static void __init evm_init_i2c(void)
{
gpiod_add_lookup_table(&i2c_recovery_gpiod_table);
davinci_init_i2c(&i2c_pdata);
gpio_request(5, "dm355evm_msp");
gpio_direction_input(5);
dm355evm_i2c_info[0].irq = gpio_to_irq(5);
i2c_register_board_info(1, dm355evm_i2c_info,
ARRAY_SIZE(dm355evm_i2c_info));
}
static struct resource dm355evm_dm9000_rsrc[] = {
{
/* addr */
.start = 0x04014000,
.end = 0x04014001,
.flags = IORESOURCE_MEM,
}, {
/* data */
.start = 0x04014002,
.end = 0x04014003,
.flags = IORESOURCE_MEM,
}, {
.flags = IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */,
},
};
static struct dm9000_plat_data dm335evm_dm9000_platdata;
static struct platform_device dm355evm_dm9000 = {
.name = "dm9000",
.id = -1,
.resource = dm355evm_dm9000_rsrc,
.num_resources = ARRAY_SIZE(dm355evm_dm9000_rsrc),
.dev = {
.platform_data = &dm335evm_dm9000_platdata,
},
};
static struct tvp514x_platform_data tvp5146_pdata = {
.clk_polarity = 0,
.hs_polarity = 1,
.vs_polarity = 1
};
#define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
/* Inputs available at the TVP5146 */
static struct v4l2_input tvp5146_inputs[] = {
{
.index = 0,
.name = "Composite",
.type = V4L2_INPUT_TYPE_CAMERA,
.std = TVP514X_STD_ALL,
},
{
.index = 1,
.name = "S-Video",
.type = V4L2_INPUT_TYPE_CAMERA,
.std = TVP514X_STD_ALL,
},
};
/*
* this is the route info for connecting each input to decoder
* ouput that goes to vpfe. There is a one to one correspondence
* with tvp5146_inputs
*/
static struct vpfe_route tvp5146_routes[] = {
{
.input = INPUT_CVBS_VI2B,
.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
},
{
.input = INPUT_SVIDEO_VI2C_VI1C,
.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
},
};
static struct vpfe_subdev_info vpfe_sub_devs[] = {
{
.name = "tvp5146",
.grp_id = 0,
.num_inputs = ARRAY_SIZE(tvp5146_inputs),
.inputs = tvp5146_inputs,
.routes = tvp5146_routes,
.can_route = 1,
.ccdc_if_params = {
.if_type = VPFE_BT656,
.hdpol = VPFE_PINPOL_POSITIVE,
.vdpol = VPFE_PINPOL_POSITIVE,
},
.board_info = {
I2C_BOARD_INFO("tvp5146", 0x5d),
.platform_data = &tvp5146_pdata,
},
}
};
static struct vpfe_config vpfe_cfg = {
.num_subdevs = ARRAY_SIZE(vpfe_sub_devs),
.i2c_adapter_id = 1,
.sub_devs = vpfe_sub_devs,
.card_name = "DM355 EVM",
.ccdc = "DM355 CCDC",
};
/* venc standards timings */
static struct vpbe_enc_mode_info dm355evm_enc_preset_timing[] = {
{
.name = "ntsc",
.timings_type = VPBE_ENC_STD,
.std_id = V4L2_STD_NTSC,
.interlaced = 1,
.xres = 720,
.yres = 480,
.aspect = {11, 10},
.fps = {30000, 1001},
.left_margin = 0x79,
.upper_margin = 0x10,
},
{
.name = "pal",
.timings_type = VPBE_ENC_STD,
.std_id = V4L2_STD_PAL,
.interlaced = 1,
.xres = 720,
.yres = 576,
.aspect = {54, 59},
.fps = {25, 1},
.left_margin = 0x7E,
.upper_margin = 0x16
},
};
#define VENC_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
/*
* The outputs available from VPBE + ecnoders. Keep the
* the order same as that of encoders. First those from venc followed by that
* from encoders. Index in the output refers to index on a particular encoder.
* Driver uses this index to pass it to encoder when it supports more than
* one output. Application uses index of the array to set an output.
*/
static struct vpbe_output dm355evm_vpbe_outputs[] = {
{
.output = {
.index = 0,
.name = "Composite",
.type = V4L2_OUTPUT_TYPE_ANALOG,
.std = VENC_STD_ALL,
.capabilities = V4L2_OUT_CAP_STD,
},
.subdev_name = DM355_VPBE_VENC_SUBDEV_NAME,
.default_mode = "ntsc",
.num_modes = ARRAY_SIZE(dm355evm_enc_preset_timing),
.modes = dm355evm_enc_preset_timing,
.if_params = MEDIA_BUS_FMT_FIXED,
},
};
static struct vpbe_config dm355evm_display_cfg = {
.module_name = "dm355-vpbe-display",
.i2c_adapter_id = 1,
.osd = {
.module_name = DM355_VPBE_OSD_SUBDEV_NAME,
},
.venc = {
.module_name = DM355_VPBE_VENC_SUBDEV_NAME,
},
.num_outputs = ARRAY_SIZE(dm355evm_vpbe_outputs),
.outputs = dm355evm_vpbe_outputs,
};
static struct platform_device *davinci_evm_devices[] __initdata = {
&dm355evm_dm9000,
&davinci_nand_device,
};
static void __init dm355_evm_map_io(void)
{
dm355_init();
}
static int dm355evm_mmc_get_cd(int module)
{
if (!gpio_is_valid(dm355evm_mmc_gpios))
return -ENXIO;
/* low == card present */
return !gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 1);
}
static int dm355evm_mmc_get_ro(int module)
{
if (!gpio_is_valid(dm355evm_mmc_gpios))
return -ENXIO;
/* high == card's write protect switch active */
return gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 0);
}
static struct davinci_mmc_config dm355evm_mmc_config = {
.get_cd = dm355evm_mmc_get_cd,
.get_ro = dm355evm_mmc_get_ro,
.wires = 4,
.max_freq = 50000000,
.caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
};
/* Don't connect anything to J10 unless you're only using USB host
* mode *and* have to do so with some kind of gender-bender. If
* you have proper Mini-B or Mini-A cables (or Mini-A adapters)
* the ID pin won't need any help.
*/
#define USB_ID_VALUE 1 /* ID pulled low */
static struct spi_eeprom at25640a = {
.byte_len = SZ_64K / 8,
.name = "at25640a",
.page_size = 32,
.flags = EE_ADDR2,
};
static const struct spi_board_info dm355_evm_spi_info[] __initconst = {
{
.modalias = "at25",
.platform_data = &at25640a,
.max_speed_hz = 10 * 1000 * 1000, /* at 3v3 */
.bus_num = 0,
.chip_select = 0,
.mode = SPI_MODE_0,
},
};
static __init void dm355_evm_init(void)
{
struct clk *aemif;
int ret;
dm355_register_clocks();
ret = dm355_gpio_register();
if (ret)
pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
gpio_request(1, "dm9000");
gpio_direction_input(1);
dm355evm_dm9000_rsrc[2].start = gpio_to_irq(1);
aemif = clk_get(&dm355evm_dm9000.dev, "aemif");
if (!WARN(IS_ERR(aemif), "unable to get AEMIF clock\n"))
clk_prepare_enable(aemif);
platform_add_devices(davinci_evm_devices,
ARRAY_SIZE(davinci_evm_devices));
evm_init_i2c();
davinci_serial_init(dm355_serial_device);
/* NOTE: NAND flash timings set by the UBL are slower than
* needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204
* but could be 0x0400008c for about 25% faster page reads.
*/
gpio_request(2, "usb_id_toggle");
gpio_direction_output(2, USB_ID_VALUE);
/* irlml6401 switches over 1A in under 8 msec */
davinci_setup_usb(1000, 8);
davinci_setup_mmc(0, &dm355evm_mmc_config);
davinci_setup_mmc(1, &dm355evm_mmc_config);
dm355_init_video(&vpfe_cfg, &dm355evm_display_cfg);
dm355_init_spi0(BIT(0), dm355_evm_spi_info,
ARRAY_SIZE(dm355_evm_spi_info));
/* DM335 EVM uses ASP1; line-out is a stereo mini-jack */
dm355_init_asp1(ASP1_TX_EVT_EN | ASP1_RX_EVT_EN);
}
MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM")
.atag_offset = 0x100,
.map_io = dm355_evm_map_io,
.init_irq = dm355_init_irq,
.init_time = dm355_init_time,
.init_machine = dm355_evm_init,
.init_late = davinci_init_late,
.dma_zone_size = SZ_128M,
MACHINE_END