X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fi2c.h;h=d33f827500b17dbbf7f9e722b760b3b3fc27c4aa;hb=282ce6454c45409805e2c470bbec170d21a4bd35;hp=6493931c3539daac140518146974ee49e83ca1ff;hpb=ae27120c31d58b8bb694d9155bcffdcfae8552a6;p=oweals%2Fu-boot.git diff --git a/include/i2c.h b/include/i2c.h index 6493931c35..d33f827500 100644 --- a/include/i2c.h +++ b/include/i2c.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (C) 2009 Sergey Kubushyn * Copyright (C) 2009 - 2013 Heiko Schocher @@ -6,8 +7,6 @@ * (C) Copyright 2001 * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com. * - * SPDX-License-Identifier: GPL-2.0+ - * * The original I2C interface was * (C) 2000 by Paolo Scaffardi (arsenio@tin.it) * AIRVENT SAM s.p.a - RIMINI(ITALY) @@ -499,7 +498,8 @@ int i2c_get_chip(struct udevice *bus, uint chip_addr, uint offset_len, struct udevice **devp); /** - * i2c_get_chip() - get a device to use to access a chip on a bus number + * i2c_get_chip_for_busnum() - get a device to use to access a chip on + * a bus number * * This returns the device for the given chip address on a particular bus * number. @@ -524,8 +524,7 @@ int i2c_get_chip_for_busnum(int busnum, int chip_addr, uint offset_len, * @node: Node offset to read from * @spi: Place to put the decoded information */ -int i2c_chip_ofdata_to_platdata(const void *blob, int node, - struct dm_i2c_chip *chip); +int i2c_chip_ofdata_to_platdata(struct udevice *dev, struct dm_i2c_chip *chip); /** * i2c_dump_msgs() - Dump a list of I2C messages @@ -570,9 +569,6 @@ void i2c_dump_msgs(struct i2c_msg *msg, int nmsgs); #if !defined(CONFIG_SYS_RTC_BUS_NUM) #define CONFIG_SYS_RTC_BUS_NUM 0 #endif -#if !defined(CONFIG_SYS_DTT_BUS_NUM) -#define CONFIG_SYS_DTT_BUS_NUM 0 -#endif #if !defined(CONFIG_SYS_SPD_BUS_NUM) #define CONFIG_SYS_SPD_BUS_NUM 0 #endif @@ -663,12 +659,7 @@ extern struct i2c_bus_hose i2c_bus[]; #endif #ifndef I2C_SOFT_DECLARATIONS -# if defined(CONFIG_MPC8260) -# define I2C_SOFT_DECLARATIONS volatile ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, I2C_PORT); -# elif defined(CONFIG_8xx) -# define I2C_SOFT_DECLARATIONS volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; - -# elif (defined(CONFIG_AT91RM9200) || \ +# if (defined(CONFIG_AT91RM9200) || \ defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9261) || \ defined(CONFIG_AT91SAM9263)) # define I2C_SOFT_DECLARATIONS at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIOA; @@ -677,15 +668,6 @@ extern struct i2c_bus_hose i2c_bus[]; # endif #endif -#ifdef CONFIG_8xx -/* Set default value for the I2C bus speed on 8xx. In the - * future, we'll define these in all 8xx board config files. - */ -#ifndef CONFIG_SYS_I2C_SPEED -#define CONFIG_SYS_I2C_SPEED 50000 -#endif -#endif - /* * Many boards/controllers/drivers don't support an I2C slave interface so * provide a default slave address for them for use in common code. A real @@ -700,11 +682,11 @@ extern struct i2c_bus_hose i2c_bus[]; * Initialization, must be called once on start up, may be called * repeatedly to change the speed and slave addresses. */ +#ifdef CONFIG_SYS_I2C_EARLY_INIT +void i2c_early_init_f(void); +#endif void i2c_init(int speed, int slaveaddr); void i2c_init_board(void); -#ifdef CONFIG_SYS_I2C_BOARD_LATE_INIT -void i2c_board_late_init(void); -#endif #ifdef CONFIG_SYS_I2C /* @@ -787,21 +769,6 @@ unsigned int i2c_set_bus_speed(unsigned int speed); unsigned int i2c_get_bus_speed(void); -/* - * i2c_reloc_fixup: - * - * Adjusts I2C pointers after U-Boot is relocated to DRAM - */ -void i2c_reloc_fixup(void); -#if defined(CONFIG_SYS_I2C_SOFT) -void i2c_soft_init(void); -void i2c_soft_active(void); -void i2c_soft_tristate(void); -int i2c_soft_read(void); -void i2c_soft_sda(int bit); -void i2c_soft_scl(int bit); -void i2c_soft_delay(void); -#endif #else /* @@ -832,11 +799,6 @@ static inline u8 i2c_reg_read(u8 addr, u8 reg) { u8 buf; -#ifdef CONFIG_8xx - /* MPC8xx needs this. Maybe one day we can get rid of it. */ - i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); -#endif - #ifdef DEBUG printf("%s: addr=0x%02x, reg=0x%02x\n", __func__, addr, reg); #endif @@ -848,11 +810,6 @@ static inline u8 i2c_reg_read(u8 addr, u8 reg) static inline void i2c_reg_write(u8 addr, u8 reg, u8 val) { -#ifdef CONFIG_8xx - /* MPC8xx needs this. Maybe one day we can get rid of it. */ - i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); -#endif - #ifdef DEBUG printf("%s: addr=0x%02x, reg=0x%02x, val=0x%02x\n", __func__, addr, reg, val); @@ -941,13 +898,6 @@ enum { I2C_8, I2C_9, I2C_10, }; -/* Multi I2C busses handling */ -#ifdef CONFIG_SOFT_I2C_MULTI_BUS -extern int get_multi_scl_pin(void); -extern int get_multi_sda_pin(void); -extern int multi_i2c_init(void); -#endif - /** * Get FDT values for i2c bus. *