^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * dm355evm_msp.c - driver for MSP430 firmware on DM355EVM board
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2008 David Brownell
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/gpio/machine.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/leds.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/mfd/dm355evm_msp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * The DM355 is a DaVinci chip with video support but no C64+ DSP. Its
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * EVM board has an MSP430 programmed with firmware for various board
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * support functions. This driver exposes some of them directly, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * supports other drivers (e.g. RTC, input) for more complex access.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * Because this firmware is entirely board-specific, this file embeds
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * knowledge that would be passed as platform_data in a generic driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * This driver was tested with firmware revision A4.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #if IS_ENABLED(CONFIG_INPUT_DM355EVM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define msp_has_keyboard() true
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define msp_has_keyboard() false
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #if IS_ENABLED(CONFIG_LEDS_GPIO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define msp_has_leds() true
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define msp_has_leds() false
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #if IS_ENABLED(CONFIG_RTC_DRV_DM355EVM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define msp_has_rtc() true
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define msp_has_rtc() false
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #if IS_ENABLED(CONFIG_VIDEO_TVP514X)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define msp_has_tvp() true
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define msp_has_tvp() false
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) /*----------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) /* REVISIT for paranoia's sake, retry reads/writes on error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static struct i2c_client *msp430;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) * dm355evm_msp_write - Writes a register in dm355evm_msp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) * @value: the value to be written
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) * @reg: register address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) * Returns result of operation - 0 is success, else negative errno
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) int dm355evm_msp_write(u8 value, u8 reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) return i2c_smbus_write_byte_data(msp430, reg, value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) EXPORT_SYMBOL(dm355evm_msp_write);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * dm355evm_msp_read - Reads a register from dm355evm_msp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * @reg: register address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) * Returns result of operation - value, or negative errno
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) int dm355evm_msp_read(u8 reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) return i2c_smbus_read_byte_data(msp430, reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) EXPORT_SYMBOL(dm355evm_msp_read);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) /*----------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) * Many of the msp430 pins are just used as fixed-direction GPIOs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) * We could export a few more of them this way, if we wanted.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #define MSP_GPIO(bit, reg) ((DM355EVM_MSP_ ## reg) << 3 | (bit))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) static const u8 msp_gpios[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) /* eight leds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) MSP_GPIO(0, LED), MSP_GPIO(1, LED),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) MSP_GPIO(2, LED), MSP_GPIO(3, LED),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) MSP_GPIO(4, LED), MSP_GPIO(5, LED),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) MSP_GPIO(6, LED), MSP_GPIO(7, LED),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) /* SW6 and the NTSC/nPAL jumper */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) MSP_GPIO(0, SWITCH1), MSP_GPIO(1, SWITCH1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) MSP_GPIO(2, SWITCH1), MSP_GPIO(3, SWITCH1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) MSP_GPIO(4, SWITCH1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) /* switches on MMC/SD sockets */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) * Note: EVMDM355_ECP_VA4.pdf suggests that Bit 2 and 4 should be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) * checked for card detection. However on the EVM bit 1 and 3 gives
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) * this status, for 0 and 1 instance respectively. The pdf also
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) * suggests that Bit 1 and 3 should be checked for write protection.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) * However on the EVM bit 2 and 4 gives this status,for 0 and 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) * instance respectively.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) MSP_GPIO(2, SDMMC), MSP_GPIO(1, SDMMC), /* mmc0 WP, nCD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) MSP_GPIO(4, SDMMC), MSP_GPIO(3, SDMMC), /* mmc1 WP, nCD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) static struct gpio_led evm_leds[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) { .name = "dm355evm::ds14",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) .default_trigger = "heartbeat", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) { .name = "dm355evm::ds15",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) .default_trigger = "mmc0", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) { .name = "dm355evm::ds16",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) /* could also be a CE-ATA drive */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) .default_trigger = "mmc1", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) { .name = "dm355evm::ds17",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) .default_trigger = "nand-disk", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) { .name = "dm355evm::ds18", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) { .name = "dm355evm::ds19", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) { .name = "dm355evm::ds20", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) { .name = "dm355evm::ds21", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) static struct gpio_led_platform_data evm_led_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) .num_leds = ARRAY_SIZE(evm_leds),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) .leds = evm_leds,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) static struct gpiod_lookup_table evm_leds_gpio_table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) .dev_id = "leds-gpio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) .table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) * These GPIOs are on the dm355evm_msp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) * GPIO chip at index 0..7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) GPIO_LOOKUP_IDX("dm355evm_msp", 0, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 0, GPIO_ACTIVE_LOW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) GPIO_LOOKUP_IDX("dm355evm_msp", 1, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 1, GPIO_ACTIVE_LOW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) GPIO_LOOKUP_IDX("dm355evm_msp", 2, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 2, GPIO_ACTIVE_LOW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) GPIO_LOOKUP_IDX("dm355evm_msp", 3, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 3, GPIO_ACTIVE_LOW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) GPIO_LOOKUP_IDX("dm355evm_msp", 4, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 4, GPIO_ACTIVE_LOW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) GPIO_LOOKUP_IDX("dm355evm_msp", 5, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 5, GPIO_ACTIVE_LOW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) GPIO_LOOKUP_IDX("dm355evm_msp", 6, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 6, GPIO_ACTIVE_LOW),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) GPIO_LOOKUP_IDX("dm355evm_msp", 7, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 7, GPIO_ACTIVE_LOW),
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) #define MSP_GPIO_REG(offset) (msp_gpios[(offset)] >> 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) #define MSP_GPIO_MASK(offset) BIT(msp_gpios[(offset)] & 0x07)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static int msp_gpio_in(struct gpio_chip *chip, unsigned offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) switch (MSP_GPIO_REG(offset)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) case DM355EVM_MSP_SWITCH1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) case DM355EVM_MSP_SWITCH2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) case DM355EVM_MSP_SDMMC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) static u8 msp_led_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) static int msp_gpio_get(struct gpio_chip *chip, unsigned offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) int reg, status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) reg = MSP_GPIO_REG(offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) status = dm355evm_msp_read(reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) if (status < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) if (reg == DM355EVM_MSP_LED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) msp_led_cache = status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) return !!(status & MSP_GPIO_MASK(offset));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) static int msp_gpio_out(struct gpio_chip *chip, unsigned offset, int value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) int mask, bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) /* NOTE: there are some other signals that could be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) * packaged as output GPIOs, but they aren't as useful
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) * as the LEDs ... so for now we don't.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) if (MSP_GPIO_REG(offset) != DM355EVM_MSP_LED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) mask = MSP_GPIO_MASK(offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) bits = msp_led_cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) bits &= ~mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) if (value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) bits |= mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) msp_led_cache = bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) return dm355evm_msp_write(bits, DM355EVM_MSP_LED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) static void msp_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) msp_gpio_out(chip, offset, value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) static struct gpio_chip dm355evm_msp_gpio = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) .label = "dm355evm_msp",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) .direction_input = msp_gpio_in,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) .get = msp_gpio_get,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) .direction_output = msp_gpio_out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) .set = msp_gpio_set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) .base = -EINVAL, /* dynamic assignment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) .ngpio = ARRAY_SIZE(msp_gpios),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) .can_sleep = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) /*----------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) static struct device *add_child(struct i2c_client *client, const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) void *pdata, unsigned pdata_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) bool can_wakeup, int irq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) struct platform_device *pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) pdev = platform_device_alloc(name, -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) if (!pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) device_init_wakeup(&pdev->dev, can_wakeup);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) pdev->dev.parent = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) if (pdata) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) status = platform_device_add_data(pdev, pdata, pdata_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) if (status < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) dev_dbg(&pdev->dev, "can't add platform_data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) goto put_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) if (irq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) struct resource r = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) .start = irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) .flags = IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) status = platform_device_add_resources(pdev, &r, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) if (status < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) dev_dbg(&pdev->dev, "can't add irq\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) goto put_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) }
^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) status = platform_device_add(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) if (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) goto put_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) return &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) put_device:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) platform_device_put(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) dev_err(&client->dev, "failed to add device %s\n", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) return ERR_PTR(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) static int add_children(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) static const struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) int offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) char *label;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) } config_inputs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) /* 8 == right after the LEDs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) { 8 + 0, "sw6_1", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) { 8 + 1, "sw6_2", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) { 8 + 2, "sw6_3", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) { 8 + 3, "sw6_4", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) { 8 + 4, "NTSC/nPAL", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) struct device *child;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) /* GPIO-ish stuff */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) dm355evm_msp_gpio.parent = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) status = gpiochip_add_data(&dm355evm_msp_gpio, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) if (status < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) /* LED output */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) if (msp_has_leds()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) gpiod_add_lookup_table(&evm_leds_gpio_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) /* NOTE: these are the only fully programmable LEDs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) * on the board, since GPIO-61/ds22 (and many signals
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) * going to DC7) must be used for AEMIF address lines
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) * unless the top 1 GB of NAND is unused...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) child = add_child(client, "leds-gpio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) &evm_led_data, sizeof(evm_led_data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) false, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) if (IS_ERR(child))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) return PTR_ERR(child);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) /* configuration inputs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) for (i = 0; i < ARRAY_SIZE(config_inputs); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) int gpio = dm355evm_msp_gpio.base + config_inputs[i].offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) gpio_request_one(gpio, GPIOF_IN, config_inputs[i].label);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) /* make it easy for userspace to see these */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) gpio_export(gpio, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) /* MMC/SD inputs -- right after the last config input */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) if (dev_get_platdata(&client->dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) void (*mmcsd_setup)(unsigned) = dev_get_platdata(&client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) mmcsd_setup(dm355evm_msp_gpio.base + 8 + 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) /* RTC is a 32 bit counter, no alarm */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) if (msp_has_rtc()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) child = add_child(client, "rtc-dm355evm",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) NULL, 0, false, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) if (IS_ERR(child))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) return PTR_ERR(child);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) /* input from buttons and IR remote (uses the IRQ) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) if (msp_has_keyboard()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) child = add_child(client, "dm355evm_keys",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) NULL, 0, true, client->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) if (IS_ERR(child))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) return PTR_ERR(child);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) /*----------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) static void dm355evm_command(unsigned command)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) status = dm355evm_msp_write(command, DM355EVM_MSP_COMMAND);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) if (status < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) dev_err(&msp430->dev, "command %d failure %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) command, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) static void dm355evm_power_off(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) dm355evm_command(MSP_COMMAND_POWEROFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) static int dm355evm_msp_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) pm_power_off = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) msp430 = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) dm355evm_msp_probe(struct i2c_client *client, const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) const char *video = msp_has_tvp() ? "TVP5146" : "imager";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) if (msp430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) msp430 = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) /* display revision status; doubles as sanity check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) status = dm355evm_msp_read(DM355EVM_MSP_FIRMREV);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) if (status < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) dev_info(&client->dev, "firmware v.%02X, %s as video-in\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) status, video);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) /* mux video input: either tvp5146 or some external imager */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) status = dm355evm_msp_write(msp_has_tvp() ? 0 : MSP_VIDEO_IMAGER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) DM355EVM_MSP_VIDEO_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) if (status < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) dev_warn(&client->dev, "error %d muxing %s as video-in\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) status, video);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) /* init LED cache, and turn off the LEDs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) msp_led_cache = 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) dm355evm_msp_write(msp_led_cache, DM355EVM_MSP_LED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) /* export capabilities we support */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) status = add_children(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) if (status < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) /* PM hookup */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) pm_power_off = dm355evm_power_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) /* FIXME remove children ... */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) dm355evm_msp_remove(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) static const struct i2c_device_id dm355evm_msp_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) { "dm355evm_msp", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) { /* end of list */ },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) MODULE_DEVICE_TABLE(i2c, dm355evm_msp_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) static struct i2c_driver dm355evm_msp_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) .driver.name = "dm355evm_msp",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) .id_table = dm355evm_msp_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) .probe = dm355evm_msp_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) .remove = dm355evm_msp_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) static int __init dm355evm_msp_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) return i2c_add_driver(&dm355evm_msp_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) subsys_initcall(dm355evm_msp_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) static void __exit dm355evm_msp_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) i2c_del_driver(&dm355evm_msp_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) module_exit(dm355evm_msp_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) MODULE_DESCRIPTION("Interface to MSP430 firmware on DM355EVM");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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