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arm: baltos: drop I2C speed to 1000 Hz

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>
Yegor Yefremov 10 years ago
parent
5833521b38
commit
e6b1b58bed
2 changed files with 3 additions and 1 deletions
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  1. 2 0
      board/vscom/baltos/board.c
  2. 1 1
      include/configs/baltos.h

+ 2 - 0
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;

+ 1 - 1
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