bace41f80f
Mechanical switch from the legacy "mode" enumeration to the new "engine type" enumeration in drivers and board files. The device tree parsing is also updated to return the new enumeration from the old strings. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Link: https://lore.kernel.org/linux-mtd/20200827085208.16276-11-miquel.raynal@bootlin.com
448 lines
11 KiB
C
448 lines
11 KiB
C
/*
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* TI DaVinci EVM board support
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*
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* Author: Kevin Hilman, Deep Root Systems, LLC
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*
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* 2007 (c) MontaVista Software, Inc. This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* or implied.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/err.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/rawnand.h>
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#include <linux/i2c.h>
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#include <linux/gpio.h>
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#include <linux/gpio/machine.h>
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#include <linux/clk.h>
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#include <linux/dm9000.h>
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#include <linux/videodev2.h>
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#include <media/i2c/tvp514x.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/eeprom.h>
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#include <linux/platform_data/gpio-davinci.h>
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#include <linux/platform_data/i2c-davinci.h>
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#include <linux/platform_data/mtd-davinci.h>
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#include <linux/platform_data/mmc-davinci.h>
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#include <linux/platform_data/usb-davinci.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <mach/serial.h>
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#include <mach/common.h>
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#include "davinci.h"
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/* NOTE: this is geared for the standard config, with a socketed
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* 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors. If you
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* swap chips, maybe with a different block size, partitioning may
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* need to be changed.
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*/
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#define NAND_BLOCK_SIZE SZ_128K
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static struct mtd_partition davinci_nand_partitions[] = {
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{
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/* UBL (a few copies) plus U-Boot */
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.name = "bootloader",
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.offset = 0,
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.size = 15 * NAND_BLOCK_SIZE,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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}, {
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/* U-Boot environment */
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.name = "params",
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.offset = MTDPART_OFS_APPEND,
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.size = 1 * NAND_BLOCK_SIZE,
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.mask_flags = 0,
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}, {
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_4M,
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.mask_flags = 0,
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}, {
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.name = "filesystem1",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_512M,
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.mask_flags = 0,
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}, {
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.name = "filesystem2",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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.mask_flags = 0,
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}
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/* two blocks with bad block table (and mirror) at the end */
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};
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static struct davinci_nand_pdata davinci_nand_data = {
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.core_chipsel = 0,
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.mask_chipsel = BIT(14),
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.parts = davinci_nand_partitions,
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.nr_parts = ARRAY_SIZE(davinci_nand_partitions),
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.engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST,
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.bbt_options = NAND_BBT_USE_FLASH,
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.ecc_bits = 4,
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};
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static struct resource davinci_nand_resources[] = {
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{
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.start = DM355_ASYNC_EMIF_DATA_CE0_BASE,
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.end = DM355_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1,
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.flags = IORESOURCE_MEM,
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}, {
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.start = DM355_ASYNC_EMIF_CONTROL_BASE,
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.end = DM355_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device davinci_nand_device = {
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.name = "davinci_nand",
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.id = 0,
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.num_resources = ARRAY_SIZE(davinci_nand_resources),
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.resource = davinci_nand_resources,
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.dev = {
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.platform_data = &davinci_nand_data,
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},
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};
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#define DM355_I2C_SDA_PIN GPIO_TO_PIN(0, 15)
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#define DM355_I2C_SCL_PIN GPIO_TO_PIN(0, 14)
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static struct gpiod_lookup_table i2c_recovery_gpiod_table = {
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.dev_id = "i2c_davinci.1",
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.table = {
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GPIO_LOOKUP("davinci_gpio", DM355_I2C_SDA_PIN, "sda",
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GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
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GPIO_LOOKUP("davinci_gpio", DM355_I2C_SCL_PIN, "scl",
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GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
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{ }
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},
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};
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static struct davinci_i2c_platform_data i2c_pdata = {
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.bus_freq = 400 /* kHz */,
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.bus_delay = 0 /* usec */,
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.gpio_recovery = true,
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};
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static int dm355evm_mmc_gpios = -EINVAL;
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static void dm355evm_mmcsd_gpios(unsigned gpio)
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{
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gpio_request(gpio + 0, "mmc0_ro");
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gpio_request(gpio + 1, "mmc0_cd");
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gpio_request(gpio + 2, "mmc1_ro");
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gpio_request(gpio + 3, "mmc1_cd");
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/* we "know" these are input-only so we don't
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* need to call gpio_direction_input()
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*/
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dm355evm_mmc_gpios = gpio;
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}
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static struct i2c_board_info dm355evm_i2c_info[] = {
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{ I2C_BOARD_INFO("dm355evm_msp", 0x25),
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.platform_data = dm355evm_mmcsd_gpios,
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},
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/* { plus irq }, */
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{ I2C_BOARD_INFO("tlv320aic33", 0x1b), },
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};
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static void __init evm_init_i2c(void)
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{
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gpiod_add_lookup_table(&i2c_recovery_gpiod_table);
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davinci_init_i2c(&i2c_pdata);
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gpio_request(5, "dm355evm_msp");
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gpio_direction_input(5);
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dm355evm_i2c_info[0].irq = gpio_to_irq(5);
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i2c_register_board_info(1, dm355evm_i2c_info,
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ARRAY_SIZE(dm355evm_i2c_info));
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}
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static struct resource dm355evm_dm9000_rsrc[] = {
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{
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/* addr */
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.start = 0x04014000,
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.end = 0x04014001,
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.flags = IORESOURCE_MEM,
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}, {
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/* data */
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.start = 0x04014002,
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.end = 0x04014003,
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.flags = IORESOURCE_MEM,
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}, {
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.flags = IORESOURCE_IRQ
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| IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */,
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},
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};
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static struct dm9000_plat_data dm335evm_dm9000_platdata;
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static struct platform_device dm355evm_dm9000 = {
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.name = "dm9000",
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.id = -1,
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.resource = dm355evm_dm9000_rsrc,
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.num_resources = ARRAY_SIZE(dm355evm_dm9000_rsrc),
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.dev = {
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.platform_data = &dm335evm_dm9000_platdata,
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},
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};
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static struct tvp514x_platform_data tvp5146_pdata = {
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.clk_polarity = 0,
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.hs_polarity = 1,
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.vs_polarity = 1
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};
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#define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
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/* Inputs available at the TVP5146 */
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static struct v4l2_input tvp5146_inputs[] = {
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{
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.index = 0,
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.name = "Composite",
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.type = V4L2_INPUT_TYPE_CAMERA,
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.std = TVP514X_STD_ALL,
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},
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{
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.index = 1,
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.name = "S-Video",
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.type = V4L2_INPUT_TYPE_CAMERA,
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.std = TVP514X_STD_ALL,
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},
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};
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/*
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* this is the route info for connecting each input to decoder
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* ouput that goes to vpfe. There is a one to one correspondence
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* with tvp5146_inputs
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*/
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static struct vpfe_route tvp5146_routes[] = {
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{
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.input = INPUT_CVBS_VI2B,
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.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
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},
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{
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.input = INPUT_SVIDEO_VI2C_VI1C,
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.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
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},
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};
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static struct vpfe_subdev_info vpfe_sub_devs[] = {
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{
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.name = "tvp5146",
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.grp_id = 0,
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.num_inputs = ARRAY_SIZE(tvp5146_inputs),
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.inputs = tvp5146_inputs,
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.routes = tvp5146_routes,
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.can_route = 1,
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.ccdc_if_params = {
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.if_type = VPFE_BT656,
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.hdpol = VPFE_PINPOL_POSITIVE,
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.vdpol = VPFE_PINPOL_POSITIVE,
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},
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.board_info = {
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I2C_BOARD_INFO("tvp5146", 0x5d),
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.platform_data = &tvp5146_pdata,
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},
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}
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};
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static struct vpfe_config vpfe_cfg = {
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.num_subdevs = ARRAY_SIZE(vpfe_sub_devs),
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.i2c_adapter_id = 1,
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.sub_devs = vpfe_sub_devs,
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.card_name = "DM355 EVM",
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.ccdc = "DM355 CCDC",
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};
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/* venc standards timings */
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static struct vpbe_enc_mode_info dm355evm_enc_preset_timing[] = {
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{
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.name = "ntsc",
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.timings_type = VPBE_ENC_STD,
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.std_id = V4L2_STD_NTSC,
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.interlaced = 1,
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.xres = 720,
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.yres = 480,
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.aspect = {11, 10},
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.fps = {30000, 1001},
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.left_margin = 0x79,
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.upper_margin = 0x10,
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},
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{
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.name = "pal",
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.timings_type = VPBE_ENC_STD,
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.std_id = V4L2_STD_PAL,
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.interlaced = 1,
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.xres = 720,
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.yres = 576,
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.aspect = {54, 59},
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.fps = {25, 1},
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.left_margin = 0x7E,
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.upper_margin = 0x16
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},
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};
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#define VENC_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
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/*
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* The outputs available from VPBE + ecnoders. Keep the
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* the order same as that of encoders. First those from venc followed by that
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* from encoders. Index in the output refers to index on a particular encoder.
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* Driver uses this index to pass it to encoder when it supports more than
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* one output. Application uses index of the array to set an output.
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*/
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static struct vpbe_output dm355evm_vpbe_outputs[] = {
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{
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.output = {
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.index = 0,
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.name = "Composite",
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.type = V4L2_OUTPUT_TYPE_ANALOG,
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.std = VENC_STD_ALL,
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.capabilities = V4L2_OUT_CAP_STD,
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},
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.subdev_name = DM355_VPBE_VENC_SUBDEV_NAME,
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.default_mode = "ntsc",
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.num_modes = ARRAY_SIZE(dm355evm_enc_preset_timing),
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.modes = dm355evm_enc_preset_timing,
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.if_params = MEDIA_BUS_FMT_FIXED,
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},
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};
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static struct vpbe_config dm355evm_display_cfg = {
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.module_name = "dm355-vpbe-display",
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.i2c_adapter_id = 1,
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.osd = {
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.module_name = DM355_VPBE_OSD_SUBDEV_NAME,
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},
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.venc = {
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.module_name = DM355_VPBE_VENC_SUBDEV_NAME,
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},
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.num_outputs = ARRAY_SIZE(dm355evm_vpbe_outputs),
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.outputs = dm355evm_vpbe_outputs,
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};
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static struct platform_device *davinci_evm_devices[] __initdata = {
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&dm355evm_dm9000,
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&davinci_nand_device,
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};
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static void __init dm355_evm_map_io(void)
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{
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dm355_init();
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}
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static int dm355evm_mmc_get_cd(int module)
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{
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if (!gpio_is_valid(dm355evm_mmc_gpios))
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return -ENXIO;
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/* low == card present */
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return !gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 1);
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}
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static int dm355evm_mmc_get_ro(int module)
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{
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if (!gpio_is_valid(dm355evm_mmc_gpios))
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return -ENXIO;
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/* high == card's write protect switch active */
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return gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 0);
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}
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static struct davinci_mmc_config dm355evm_mmc_config = {
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.get_cd = dm355evm_mmc_get_cd,
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.get_ro = dm355evm_mmc_get_ro,
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.wires = 4,
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.max_freq = 50000000,
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.caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
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};
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/* Don't connect anything to J10 unless you're only using USB host
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* mode *and* have to do so with some kind of gender-bender. If
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* you have proper Mini-B or Mini-A cables (or Mini-A adapters)
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* the ID pin won't need any help.
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*/
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#define USB_ID_VALUE 1 /* ID pulled low */
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static struct spi_eeprom at25640a = {
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.byte_len = SZ_64K / 8,
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.name = "at25640a",
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.page_size = 32,
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.flags = EE_ADDR2,
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};
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static const struct spi_board_info dm355_evm_spi_info[] __initconst = {
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{
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.modalias = "at25",
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.platform_data = &at25640a,
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.max_speed_hz = 10 * 1000 * 1000, /* at 3v3 */
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.bus_num = 0,
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.chip_select = 0,
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.mode = SPI_MODE_0,
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},
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};
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static __init void dm355_evm_init(void)
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{
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struct clk *aemif;
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int ret;
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dm355_register_clocks();
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ret = dm355_gpio_register();
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if (ret)
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pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
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gpio_request(1, "dm9000");
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gpio_direction_input(1);
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dm355evm_dm9000_rsrc[2].start = gpio_to_irq(1);
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aemif = clk_get(&dm355evm_dm9000.dev, "aemif");
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if (!WARN(IS_ERR(aemif), "unable to get AEMIF clock\n"))
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clk_prepare_enable(aemif);
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platform_add_devices(davinci_evm_devices,
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ARRAY_SIZE(davinci_evm_devices));
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evm_init_i2c();
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davinci_serial_init(dm355_serial_device);
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/* NOTE: NAND flash timings set by the UBL are slower than
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* needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204
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* but could be 0x0400008c for about 25% faster page reads.
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*/
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gpio_request(2, "usb_id_toggle");
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gpio_direction_output(2, USB_ID_VALUE);
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/* irlml6401 switches over 1A in under 8 msec */
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davinci_setup_usb(1000, 8);
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davinci_setup_mmc(0, &dm355evm_mmc_config);
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davinci_setup_mmc(1, &dm355evm_mmc_config);
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dm355_init_video(&vpfe_cfg, &dm355evm_display_cfg);
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dm355_init_spi0(BIT(0), dm355_evm_spi_info,
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ARRAY_SIZE(dm355_evm_spi_info));
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/* DM335 EVM uses ASP1; line-out is a stereo mini-jack */
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dm355_init_asp1(ASP1_TX_EVT_EN | ASP1_RX_EVT_EN);
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}
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MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM")
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.atag_offset = 0x100,
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.map_io = dm355_evm_map_io,
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.init_irq = dm355_init_irq,
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.init_time = dm355_init_time,
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.init_machine = dm355_evm_init,
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.init_late = davinci_init_late,
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.dma_zone_size = SZ_128M,
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MACHINE_END
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