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i2c: samsung: register i2c busses for Exynso5420 and Exynos5250

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This patch adds the U_BOOT_I2C_ADAP_COMPLETE defines for channels
on Exynos5420 and Exynos5250 and also adds support for init function
for hsi2c channels

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
master
Naveen Krishna Ch 11 years ago committed by Heiko Schocher
parent 92c23c9226
commit e717fc6d1a
2 changed files with 182 additions and 48 deletions
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  1. 6
      README
  2. 224
      drivers/i2c/s3c24x0_i2c.c

6
README
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@ -2125,6 +2125,12 @@ CBFS (Coreboot Filesystem) support
- set CONFIG_SYS_I2C_ZYNQ_SPEED for speed setting
- set CONFIG_SYS_I2C_ZYNQ_SLAVE for slave addr
- drivers/i2c/s3c24x0_i2c.c:
- activate this driver with CONFIG_SYS_I2C_S3C24X0
- This driver adds i2c buses (11 for Exynos5250, Exynos5420
9 i2c buses for Exynos4 and 1 for S3C24X0 SoCs from Samsung)
with a fix speed from 100000 and the slave addr 0!
additional defines:
CONFIG_SYS_NUM_I2C_BUSES

224
drivers/i2c/s3c24x0_i2c.c
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@ -721,6 +721,17 @@ static unsigned int s3c24x0_i2c_set_bus_speed(struct i2c_adapter *adap,
return 0;
}
#ifdef CONFIG_EXYNOS5
static void exynos_i2c_init(struct i2c_adapter *adap, int speed, int slaveaddr)
{
/* This will override the speed selected in the fdt for that port */
debug("i2c_init(speed=%u, slaveaddr=0x%x)\n", speed, slaveaddr);
if (i2c_set_bus_speed(speed))
printf("i2c_init: failed to init bus %d for speed = %d\n",
adap->hwadapnr, speed);
}
#endif
/*
* cmd_type is 0 for write, 1 for read.
*
@ -1071,51 +1082,168 @@ int i2c_reset_port_fdt(const void *blob, int node)
/*
* Register s3c24x0 i2c adapters
*/
U_BOOT_I2C_ADAP_COMPLETE(s3c24x0_0, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE,
0)
U_BOOT_I2C_ADAP_COMPLETE(s3c24x0_1, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE,
1)
U_BOOT_I2C_ADAP_COMPLETE(s3c24x0_2, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE,
2)
U_BOOT_I2C_ADAP_COMPLETE(s3c24x0_3, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE,
3)
U_BOOT_I2C_ADAP_COMPLETE(s3c24x0_4, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE,
4)
U_BOOT_I2C_ADAP_COMPLETE(s3c24x0_5, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE,
5)
U_BOOT_I2C_ADAP_COMPLETE(s3c24x0_6, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE,
6)
U_BOOT_I2C_ADAP_COMPLETE(s3c24x0_7, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE,
7)
#if defined(CONFIG_EXYNOS5420)
U_BOOT_I2C_ADAP_COMPLETE(i2c00, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 0)
U_BOOT_I2C_ADAP_COMPLETE(i2c01, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 1)
U_BOOT_I2C_ADAP_COMPLETE(i2c02, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 2)
U_BOOT_I2C_ADAP_COMPLETE(i2c03, exynos_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 3)
U_BOOT_I2C_ADAP_COMPLETE(i2c04, exynos_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 4)
U_BOOT_I2C_ADAP_COMPLETE(i2c05, exynos_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 5)
U_BOOT_I2C_ADAP_COMPLETE(i2c06, exynos_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 6)
U_BOOT_I2C_ADAP_COMPLETE(i2c07, exynos_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 7)
U_BOOT_I2C_ADAP_COMPLETE(i2c08, exynos_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 8)
U_BOOT_I2C_ADAP_COMPLETE(i2c09, exynos_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 9)
U_BOOT_I2C_ADAP_COMPLETE(i2c10, exynos_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 10)
#elif defined(CONFIG_EXYNOS5250)
U_BOOT_I2C_ADAP_COMPLETE(i2c00, exynos_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 0)
U_BOOT_I2C_ADAP_COMPLETE(i2c01, exynos_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 1)
U_BOOT_I2C_ADAP_COMPLETE(i2c02, exynos_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 2)
U_BOOT_I2C_ADAP_COMPLETE(i2c03, exynos_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 3)
U_BOOT_I2C_ADAP_COMPLETE(i2c04, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 4)
U_BOOT_I2C_ADAP_COMPLETE(i2c05, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 5)
U_BOOT_I2C_ADAP_COMPLETE(i2c06, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 6)
U_BOOT_I2C_ADAP_COMPLETE(i2c07, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 7)
U_BOOT_I2C_ADAP_COMPLETE(i2c08, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 8)
U_BOOT_I2C_ADAP_COMPLETE(i2c09, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 9)
U_BOOT_I2C_ADAP_COMPLETE(s3c10, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 10)
#elif defined(CONFIG_EXYNOS4)
U_BOOT_I2C_ADAP_COMPLETE(i2c00, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 0)
U_BOOT_I2C_ADAP_COMPLETE(i2c01, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 1)
U_BOOT_I2C_ADAP_COMPLETE(i2c02, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 2)
U_BOOT_I2C_ADAP_COMPLETE(i2c03, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 3)
U_BOOT_I2C_ADAP_COMPLETE(i2c04, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 4)
U_BOOT_I2C_ADAP_COMPLETE(i2c05, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 5)
U_BOOT_I2C_ADAP_COMPLETE(i2c06, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 6)
U_BOOT_I2C_ADAP_COMPLETE(i2c07, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 7)
U_BOOT_I2C_ADAP_COMPLETE(i2c08, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 8)
#else
U_BOOT_I2C_ADAP_COMPLETE(s3c0, s3c24x0_i2c_init, s3c24x0_i2c_probe,
s3c24x0_i2c_read, s3c24x0_i2c_write,
s3c24x0_i2c_set_bus_speed,
CONFIG_SYS_I2C_S3C24X0_SPEED,
CONFIG_SYS_I2C_S3C24X0_SLAVE, 0)
#endif

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