From: Yegor Yefremov Date: Mon, 6 Jul 2015 15:28:35 +0000 (+0200) Subject: arm: baltos: drop I2C speed to 1000 Hz X-Git-Tag: v2015.07~13 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=e6b1b58bedbc507f840b2bae06eadb1d34512efa;p=oweals%2Fu-boot.git 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 --- 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