^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * DM355 leopard board support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Based on board-dm355-evm.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * This file is licensed under the terms of the GNU General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * License version 2. This program is licensed "as is" without any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * warranty of any kind, whether express or implied.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/mtd/mtd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/mtd/partitions.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/mtd/rawnand.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/spi/spi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/spi/eeprom.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/platform_data/i2c-davinci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/platform_data/mmc-davinci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/platform_data/mtd-davinci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/platform_data/usb-davinci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <asm/mach-types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <asm/mach/arch.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <mach/common.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <mach/serial.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include "davinci.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) /* NOTE: this is geared for the standard config, with a socketed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors. If you
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * swap chips, maybe with a different block size, partitioning may
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * need to be changed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define NAND_BLOCK_SIZE SZ_128K
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static struct mtd_partition davinci_nand_partitions[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) /* UBL (a few copies) plus U-Boot */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) .name = "bootloader",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) .offset = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) .size = 15 * NAND_BLOCK_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) .mask_flags = MTD_WRITEABLE, /* force read-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) /* U-Boot environment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) .name = "params",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) .offset = MTDPART_OFS_APPEND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) .size = 1 * NAND_BLOCK_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) .mask_flags = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .name = "kernel",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .offset = MTDPART_OFS_APPEND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) .size = SZ_4M,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .mask_flags = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .name = "filesystem1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .offset = MTDPART_OFS_APPEND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) .size = SZ_512M,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .mask_flags = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) .name = "filesystem2",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) .offset = MTDPART_OFS_APPEND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) .size = MTDPART_SIZ_FULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .mask_flags = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) /* two blocks with bad block table (and mirror) at the end */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) static struct davinci_nand_pdata davinci_nand_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) .core_chipsel = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) .mask_chipsel = BIT(14),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) .parts = davinci_nand_partitions,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) .nr_parts = ARRAY_SIZE(davinci_nand_partitions),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) .engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) .ecc_placement = NAND_ECC_PLACEMENT_INTERLEAVED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) .ecc_bits = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) .bbt_options = NAND_BBT_USE_FLASH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) static struct resource davinci_nand_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) .start = DM355_ASYNC_EMIF_DATA_CE0_BASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) .end = DM355_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) .flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) .start = DM355_ASYNC_EMIF_CONTROL_BASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) .end = DM355_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) .flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) static struct platform_device davinci_nand_device = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) .name = "davinci_nand",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) .id = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) .num_resources = ARRAY_SIZE(davinci_nand_resources),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) .resource = davinci_nand_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) .platform_data = &davinci_nand_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) static struct davinci_i2c_platform_data i2c_pdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) .bus_freq = 400 /* kHz */,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) .bus_delay = 0 /* usec */,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static int leopard_mmc_gpio = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) static void dm355leopard_mmcsd_gpios(unsigned gpio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) gpio_request(gpio + 0, "mmc0_ro");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) gpio_request(gpio + 1, "mmc0_cd");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) gpio_request(gpio + 2, "mmc1_ro");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) gpio_request(gpio + 3, "mmc1_cd");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) /* we "know" these are input-only so we don't
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) * need to call gpio_direction_input()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) leopard_mmc_gpio = gpio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) static struct i2c_board_info dm355leopard_i2c_info[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) { I2C_BOARD_INFO("dm355leopard_msp", 0x25),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) .platform_data = dm355leopard_mmcsd_gpios,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) /* plus irq */ },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) /* { I2C_BOARD_INFO("tlv320aic3x", 0x1b), }, */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) /* { I2C_BOARD_INFO("tvp5146", 0x5d), }, */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) static void __init leopard_init_i2c(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) davinci_init_i2c(&i2c_pdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) gpio_request(5, "dm355leopard_msp");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) gpio_direction_input(5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) dm355leopard_i2c_info[0].irq = gpio_to_irq(5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) i2c_register_board_info(1, dm355leopard_i2c_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) ARRAY_SIZE(dm355leopard_i2c_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) static struct resource dm355leopard_dm9000_rsrc[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) /* addr */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) .start = 0x04000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) .end = 0x04000001,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) .flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) /* data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) .start = 0x04000016,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) .end = 0x04000017,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) .flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) .flags = IORESOURCE_IRQ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) | IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) static struct platform_device dm355leopard_dm9000 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) .name = "dm9000",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) .id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) .resource = dm355leopard_dm9000_rsrc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) .num_resources = ARRAY_SIZE(dm355leopard_dm9000_rsrc),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) static struct platform_device *davinci_leopard_devices[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) &dm355leopard_dm9000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) &davinci_nand_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) static void __init dm355_leopard_map_io(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) dm355_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) static int dm355leopard_mmc_get_cd(int module)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) if (!gpio_is_valid(leopard_mmc_gpio))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) /* low == card present */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) return !gpio_get_value_cansleep(leopard_mmc_gpio + 2 * module + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) static int dm355leopard_mmc_get_ro(int module)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) if (!gpio_is_valid(leopard_mmc_gpio))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) /* high == card's write protect switch active */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) return gpio_get_value_cansleep(leopard_mmc_gpio + 2 * module + 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) static struct davinci_mmc_config dm355leopard_mmc_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) .get_cd = dm355leopard_mmc_get_cd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) .get_ro = dm355leopard_mmc_get_ro,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) .wires = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) .max_freq = 50000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) /* Don't connect anything to J10 unless you're only using USB host
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) * mode *and* have to do so with some kind of gender-bender. If
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) * you have proper Mini-B or Mini-A cables (or Mini-A adapters)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) * the ID pin won't need any help.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) #define USB_ID_VALUE 1 /* ID pulled low */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) static struct spi_eeprom at25640a = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) .byte_len = SZ_64K / 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) .name = "at25640a",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) .page_size = 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) .flags = EE_ADDR2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) static const struct spi_board_info dm355_leopard_spi_info[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) .modalias = "at25",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) .platform_data = &at25640a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) .max_speed_hz = 10 * 1000 * 1000, /* at 3v3 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) .bus_num = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) .chip_select = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) .mode = SPI_MODE_0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) static __init void dm355_leopard_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) struct clk *aemif;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) dm355_register_clocks();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) ret = dm355_gpio_register();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) gpio_request(9, "dm9000");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) gpio_direction_input(9);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) dm355leopard_dm9000_rsrc[2].start = gpio_to_irq(9);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) aemif = clk_get(&dm355leopard_dm9000.dev, "aemif");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) if (!WARN(IS_ERR(aemif), "unable to get AEMIF clock\n"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) clk_prepare_enable(aemif);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) platform_add_devices(davinci_leopard_devices,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) ARRAY_SIZE(davinci_leopard_devices));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) leopard_init_i2c();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) davinci_serial_init(dm355_serial_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) /* NOTE: NAND flash timings set by the UBL are slower than
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) * needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) * but could be 0x0400008c for about 25% faster page reads.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) gpio_request(2, "usb_id_toggle");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) gpio_direction_output(2, USB_ID_VALUE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) /* irlml6401 switches over 1A in under 8 msec */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) davinci_setup_usb(1000, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) davinci_setup_mmc(0, &dm355leopard_mmc_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) davinci_setup_mmc(1, &dm355leopard_mmc_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) dm355_init_spi0(BIT(0), dm355_leopard_spi_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) ARRAY_SIZE(dm355_leopard_spi_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) MACHINE_START(DM355_LEOPARD, "DaVinci DM355 leopard")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) .atag_offset = 0x100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) .map_io = dm355_leopard_map_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) .init_irq = dm355_init_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) .init_time = dm355_init_time,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) .init_machine = dm355_leopard_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) .init_late = davinci_init_late,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) .dma_zone_size = SZ_128M,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) MACHINE_END
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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