From: Yung-Ching LIN Date: Tue, 28 Mar 2017 17:51:23 +0000 (+0800) Subject: board: advantech: dms-ba16: add the PMIC configuration support X-Git-Tag: v2017.05-rc2~9^2~8 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=fc9ade56e3eb451683a58089e32e79abb69e240e;p=u-boot board: advantech: dms-ba16: add the PMIC configuration support Change the PMIC bulk configuration from auto mode to sync mode to avoid the voltage shutdown issue Signed-off-by: Ken Lin Acked-by: Akshay Bhat --- diff --git a/board/advantech/dms-ba16/dms-ba16.c b/board/advantech/dms-ba16/dms-ba16.c index a67752f1ca..8aa7ff1659 100644 --- a/board/advantech/dms-ba16/dms-ba16.c +++ b/board/advantech/dms-ba16/dms-ba16.c @@ -534,6 +534,54 @@ static const struct boot_mode board_boot_modes[] = { }; #endif +void pmic_init(void) +{ + +#define DA9063_ADDR 0x58 +#define BCORE2_CONF 0x9D +#define BCORE1_CONF 0x9E +#define BPRO_CONF 0x9F +#define BIO_CONF 0xA0 +#define BMEM_CONF 0xA1 +#define BPERI_CONF 0xA2 +#define MODE_BIT_H 7 +#define MODE_BIT_L 6 + + uchar val; + i2c_set_bus_num(2); + + i2c_read(DA9063_ADDR, BCORE2_CONF, 1, &val, 1); + val |= (1 << MODE_BIT_H); + val &= ~(1 << MODE_BIT_L); + i2c_write(DA9063_ADDR, BCORE2_CONF , 1, &val, 1); + + i2c_read(DA9063_ADDR, BCORE1_CONF, 1, &val, 1); + val |= (1 << MODE_BIT_H); + val &= ~(1 << MODE_BIT_L); + i2c_write(DA9063_ADDR, BCORE1_CONF , 1, &val, 1); + + i2c_read(DA9063_ADDR, BPRO_CONF, 1, &val, 1); + val |= (1 << MODE_BIT_H); + val &= ~(1 << MODE_BIT_L); + i2c_write(DA9063_ADDR, BPRO_CONF , 1, &val, 1); + + i2c_read(DA9063_ADDR, BIO_CONF, 1, &val, 1); + val |= (1 << MODE_BIT_H); + val &= ~(1 << MODE_BIT_L); + i2c_write(DA9063_ADDR, BIO_CONF , 1, &val, 1); + + i2c_read(DA9063_ADDR, BMEM_CONF, 1, &val, 1); + val |= (1 << MODE_BIT_H); + val &= ~(1 << MODE_BIT_L); + i2c_write(DA9063_ADDR, BMEM_CONF , 1, &val, 1); + + i2c_read(DA9063_ADDR, BPERI_CONF, 1, &val, 1); + val |= (1 << MODE_BIT_H); + val &= ~(1 << MODE_BIT_L); + i2c_write(DA9063_ADDR, BPERI_CONF , 1, &val, 1); + +} + int board_late_init(void) { #ifdef CONFIG_CMD_BMODE @@ -563,6 +611,9 @@ int board_late_init(void) setup_ba16_sata(); #endif + /* board specific pmic init */ + pmic_init(); + return 0; }