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| author | Yegor Yefremov <yegorslists@googlemail.com> | 2015-07-06 17:28:35 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2015-07-08 21:51:37 -0400 |
| commit | e6b1b58bedbc507f840b2bae06eadb1d34512efa (patch) | |
| tree | d8e0c0e20be3522bb1aae69843c7290f5512e041 | |
| parent | 5833521b38c014b5afffad3a70480ed4b7e00e6d (diff) | |
| download | talos-obmc-uboot-e6b1b58bedbc507f840b2bae06eadb1d34512efa.tar.gz talos-obmc-uboot-e6b1b58bedbc507f840b2bae06eadb1d34512efa.zip | |
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>
| -rw-r--r-- | board/vscom/baltos/board.c | 2 | ||||
| -rw-r--r-- | include/configs/baltos.h | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/board/vscom/baltos/board.c b/board/vscom/baltos/board.c index 99ca60e2ac..09bc8c682a 100644 --- a/board/vscom/baltos/board.c +++ b/board/vscom/baltos/board.c @@ -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; diff --git a/include/configs/baltos.h b/include/configs/baltos.h index 632523e965..31de97f286 100644 --- a/include/configs/baltos.h +++ b/include/configs/baltos.h @@ -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 |
