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ENGR00154762 mx53_pcba: update Ripley/mc34708 USB/AUX charger settings

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update Ripley USB and AUX/DC charger settings for pcba revB board

Signed-off-by: Wayne Zou <b36644@freescale.com>
This commit is contained in:
Wayne Zou
2011-08-11 18:24:59 +08:00
parent 2921bf50ea
commit 2e0022e32a
1 changed files with 13 additions and 4 deletions
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17
board/freescale/mx53_pcba/mx53_pcba.c
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@ -330,19 +330,28 @@ void setup_pmic_voltages(void)
printf("%s:i2c_write:error\n", __func__);
}
/* Charger Source: set VBUS threshold low to 4.25V,
* set Weak VBUS threshold to 4.275V */
if (i2c_read(0x8, 53, 1, &buf[0], 3))
printf("%s:i2c_read 53:error\n", __func__);
buf[2] = (buf[2] & 0x38) | 0x47;
buf[1] = (buf[1] & 0x70) | 0x8e;
buf[0] = buf[0] & 0xfc;
if (i2c_write(0x8, 53, 1, buf, 3))
printf("%s:i2c_write 53:error\n", __func__);
/* set both AUX&USB current limit to 1.5A for Ripley 2.1 only */
if (i2c_read(0x8, 52, 1, &buf[0], 3))
printf("%s:i2c_read 52:error\n", __func__);
buf[0] = (buf[1] & 0xef) | 0x1;
buf[0] = (buf[0] & 0xef) | 0x10;
if (i2c_write(0x8, 52, 1, buf, 3))
printf("%s:i2c_write 52:error\n", __func__);
/* Change CC current to 950mA */
/* Change CC current to 1550mA */
/* Change CV voltage as 4.2v */
if (i2c_read(0x8, 51, 1, &buf[0], 3))
printf("%s:i2c_read 51:error\n", __func__);
buf[1] = (buf[1] & 0x0) | 0x78;
buf[1] = (buf[1] & 0x0) | 0xd8;
buf[2] = (buf[2] & 0x3f) | 0xc0;
if (i2c_write(0x8, 51, 1, buf, 3))
printf("%s:i2c_write 51:error\n", __func__);