diff options
| author | Ye Li <ye.li@nxp.com> | 2019-10-16 00:03:15 -0700 |
|---|---|---|
| committer | Ye Li <ye.li@nxp.com> | 2019-10-16 00:43:18 -0700 |
| commit | 8ced05036a862bbb56368d8da368820422df2044 (patch) | |
| tree | 299db3a80e507d744177485c81d0e52455e4451b /board | |
| parent | 33bf1581116e60ffe3e367ba447b28da4f112cc0 (diff) | |
MLK-22762 imx8mn_ddr4_evk: Set VDD_SOC to 0.85v in suspend mode
According to datasheet, the VDD_SOC should be 0.85v in suspend mode.
But current voltage is default 0.80v because we don't configure BD71837
BUCK1_VOLT_SUSP register.
Signed-off-by: Ye Li <ye.li@nxp.com>
Tested-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/imx8mn_evk/spl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/board/freescale/imx8mn_evk/spl.c b/board/freescale/imx8mn_evk/spl.c index 8fb8ded03c..e7aac0d8c8 100644 --- a/board/freescale/imx8mn_evk/spl.c +++ b/board/freescale/imx8mn_evk/spl.c @@ -210,6 +210,9 @@ int power_init_board(void) pmic_reg_write(p, BD71837_BUCK1_VOLT_RUN, 0x19); #endif + /* Set VDD_SOC 0.85v for suspend */ + pmic_reg_write(p, BD71837_BUCK1_VOLT_SUSP, 0xf); + #ifdef CONFIG_IMX8M_DDR4 /* increase NVCC_DRAM_1V2 to 1.2v for DDR4 */ pmic_reg_write(p, BD71837_BUCK8_VOLT, 0x28); |