diff options
| author | Patrick Delaunay <patrick.delaunay@st.com> | 2019-04-10 14:09:26 +0200 |
|---|---|---|
| committer | Patrice Chotard <patrice.chotard@st.com> | 2019-05-23 11:38:11 +0200 |
| commit | 1767ac2d1f7fadc0780f95243906dda7553ac77a (patch) | |
| tree | 7244cadea8e21eac617c7e5ccc9271232717998a /drivers/ram/stm32mp1/stm32mp1_ddr_regs.h | |
| parent | 53bb8316583bf2206918457ec049b001d5b40a0f (diff) | |
stm32mp1: ram: add support for LPDDR2/LPDDR3
Manage power supply configuration for board using stpmic1
with LPDDR2 or with LPDDR3:
+ VDD_DDR1 = 1.8V with BUCK3 (bypass if possible)
+ VDD_DDR2 = 1.2V with BUCK2
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Diffstat (limited to 'drivers/ram/stm32mp1/stm32mp1_ddr_regs.h')
| -rw-r--r-- | drivers/ram/stm32mp1/stm32mp1_ddr_regs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/ram/stm32mp1/stm32mp1_ddr_regs.h b/drivers/ram/stm32mp1/stm32mp1_ddr_regs.h index a606b2bcbe..97f268e66d 100644 --- a/drivers/ram/stm32mp1/stm32mp1_ddr_regs.h +++ b/drivers/ram/stm32mp1/stm32mp1_ddr_regs.h @@ -234,6 +234,8 @@ struct stm32mp1_ddrphy { /* DDRCTRL REGISTERS */ #define DDRCTRL_MSTR_DDR3 BIT(0) +#define DDRCTRL_MSTR_LPDDR2 BIT(2) +#define DDRCTRL_MSTR_LPDDR3 BIT(3) #define DDRCTRL_MSTR_DATA_BUS_WIDTH_MASK GENMASK(13, 12) #define DDRCTRL_MSTR_DATA_BUS_WIDTH_FULL (0 << 12) #define DDRCTRL_MSTR_DATA_BUS_WIDTH_HALF (1 << 12) |