From fc69d472621b5c7513bcb8b4e1fe58ca8f5e035a Mon Sep 17 00:00:00 2001 From: Keerthy Date: Fri, 2 Jun 2017 15:00:31 +0530 Subject: [PATCH] board: ti: AM43XX: Add ddr voltage rail configuration Add ddr voltage rail (dcdc3) configuration. Set the dcdc3 DDR supply to 1.35V. Signed-off-by: Keerthy Reviewed-by: Tom Rini Reviewed-by: Lokesh Vutla --- board/ti/am43xx/board.c | 7 +++++++ include/power/tps65218.h | 1 + 2 files changed, 8 insertions(+) diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c index f44103d4d6..a25902813e 100644 --- a/board/ti/am43xx/board.c +++ b/board/ti/am43xx/board.c @@ -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) diff --git a/include/power/tps65218.h b/include/power/tps65218.h index e3538e21f0..43b9c9aa52 100644 --- a/include/power/tps65218.h +++ b/include/power/tps65218.h @@ -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)) -- 2.39.5