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authorWayne Zou <b36644@freescale.com>2011-08-08 17:14:37 +0800
committerWayne Zou <b36644@freescale.com>2011-08-08 17:16:56 +0800
commit2921bf50ea3e0eb3dfaac0895613feb14e52600c (patch)
tree5e2089bebb485bbfb8f61c27d9b2cc4fa7aa0289
parent6b654d7a5811de8c20c7c0fe7ca0237a7bf78a98 (diff)
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ENGR00154468 mx53 pcba: Add DC-IN power supply support for revB board
Add DC-IN power supply support for revB board when booting from EMMC. set both AUX&USB current limit to 1.5A for Ripley 2.1 only Change CC current to 950mA Signed-off-by: Wayne Zou <b36644@freescale.com>
-rw-r--r--board/freescale/mx53_pcba/mx53_pcba.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/board/freescale/mx53_pcba/mx53_pcba.c b/board/freescale/mx53_pcba/mx53_pcba.c
index 3773ee4..011460a 100644
--- a/board/freescale/mx53_pcba/mx53_pcba.c
+++ b/board/freescale/mx53_pcba/mx53_pcba.c
@@ -330,11 +330,19 @@ void setup_pmic_voltages(void)
printf("%s:i2c_write: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;
+ if (i2c_write(0x8, 52, 1, buf, 3))
+ printf("%s:i2c_write 52:error\n", __func__);
+
+ /* Change CC current to 950mA */
/* 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] & 0xf0) | 0x8;
+ buf[1] = (buf[1] & 0x0) | 0x78;
buf[2] = (buf[2] & 0x3f) | 0xc0;
if (i2c_write(0x8, 51, 1, buf, 3))
printf("%s:i2c_write 51:error\n", __func__);