Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-11-10 15:14:43 +00:00
Code Issues Projects Releases Packages Wiki Activity

arm: baltos: drop I2C speed to 1000 Hz

Browse source 
This action is need to make I2C communication with PMIC
stable for low temperature. Print current I2C speed in
SPL for visual control.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
This commit is contained in:
Yegor Yefremov 2015-07-06 17:28:35 +02:00 committed by Tom Rini
parent 5833521b38
commit e6b1b58bed
2 changed files with 3 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
board/vscom/baltos/board.c
View file

@ -184,6 +184,8 @@ void am33xx_spl_board_init(void)
*/
i2c_set_bus_num(1);
printf("I2C speed: %d Hz\n", CONFIG_SYS_OMAP24_I2C_SPEED);
if (i2c_probe(TPS65910_CTRL_I2C_ADDR)) {
puts("i2c: cannot access TPS65910\n");
return;

2
include/configs/baltos.h
View file

@ -52,7 +52,7 @@
/* I2C configuration */
#undef CONFIG_SYS_OMAP24_I2C_SPEED
#define CONFIG_SYS_OMAP24_I2C_SPEED 10000
#define CONFIG_SYS_OMAP24_I2C_SPEED 1000
#ifdef CONFIG_NAND
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x000c0000