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 /arch/arm/mach-stm32mp | |
| 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 'arch/arm/mach-stm32mp')
| -rw-r--r-- | arch/arm/mach-stm32mp/include/mach/ddr.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/mach-stm32mp/include/mach/ddr.h b/arch/arm/mach-stm32mp/include/mach/ddr.h index 18575842ba..b8a17cfbdd 100644 --- a/arch/arm/mach-stm32mp/include/mach/ddr.h +++ b/arch/arm/mach-stm32mp/include/mach/ddr.h @@ -6,6 +6,13 @@ #ifndef __MACH_STM32MP_DDR_H_ #define __MACH_STM32MP_DDR_H_ -int board_ddr_power_init(void); +/* DDR power initializations */ +enum ddr_type { + STM32MP_DDR3, + STM32MP_LPDDR2, + STM32MP_LPDDR3, +}; + +int board_ddr_power_init(enum ddr_type ddr_type); #endif |