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board: ti: AM43XX: Add ddr voltage rail configuration

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Add ddr voltage rail (dcdc3) configuration. Set the dcdc3
DDR supply to 1.35V.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
This commit is contained in:
Keerthy 2017-06-02 15:00:31 +05:30 committed by Jaehoon Chung
parent e395b8848a
commit fc69d47262
2 changed files with 8 additions and 0 deletions
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7
board/ti/am43xx/board.c
View file

@ -421,6 +421,13 @@ void scale_vcores_generic(u32 m)
printf("%s failure\n", __func__);
return;
}
/* Set DCDC3 (DDR) voltage */
if (tps65218_voltage_update(TPS65218_DCDC3,
TPS65218_DCDC3_VOLT_SEL_1350MV)) {
printf("%s failure\n", __func__);
return;
}
}
void scale_vcores_idk(u32 m)

1
include/power/tps65218.h
View file

@ -63,6 +63,7 @@ enum {
#define TPS65218_DCDC_VOLT_SEL_1200MV 0x23
#define TPS65218_DCDC_VOLT_SEL_1260MV 0x29
#define TPS65218_DCDC_VOLT_SEL_1330MV 0x30
#define TPS65218_DCDC3_VOLT_SEL_1350MV 0x12
#define TPS65218_CC_STAT (BIT(0) | BIT(1))
#define TPS65218_STATE (BIT(2) | BIT(3))