diff options
| author | Patrice Chotard <patrice.chotard@st.com> | 2017-10-09 11:41:24 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-10-16 09:42:51 -0400 |
| commit | 6c1bf6c442612135bbabe0112060c8bae86fdfbc (patch) | |
| tree | a6ddc9eb4cc97ba1f308ea42c1b670f05f897860 /drivers | |
| parent | 1b4ce69dc2f92af719ae60891559102048c38c84 (diff) | |
dm: clk: fix PWR_CR3 register's bit 2 name
Fix bit 2 name of PWR_CR3 register to match with the
last STM32H7 reference manual available here :
http://www.st.com/content/st_com/en/support/resources/
resource-selector.html?querycriteria=productId=SS1951$$
resourceCategory=technical_literature$$resourceType=reference_manual
Update also comment about voltage scaling 1 values
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/clk/clk_stm32h7.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/clk/clk_stm32h7.c b/drivers/clk/clk_stm32h7.c index 757882219a..f84a4d2b2f 100644 --- a/drivers/clk/clk_stm32h7.c +++ b/drivers/clk/clk_stm32h7.c @@ -109,7 +109,7 @@ DECLARE_GLOBAL_DATA_PTR; #define QSPISRC_PER_CK 3 #define PWR_CR3 0x0c -#define PWR_CR3_SDEN BIT(2) +#define PWR_CR3_SCUEN BIT(2) #define PWR_D3CR 0x18 #define PWR_D3CR_VOS_MASK GENMASK(15, 14) #define PWR_D3CR_VOS_SHIFT 14 @@ -361,11 +361,11 @@ int configure_clocks(struct udevice *dev) writel(0x0, ®s->d2ccip1r); writel(0x0, ®s->d2ccip2r); - /* Set voltage scaling at scale 1 */ + /* Set voltage scaling at scale 1 (1,15 - 1,26 Volts) */ clrsetbits_le32(pwr_base + PWR_D3CR, PWR_D3CR_VOS_MASK, VOS_SCALE_1 << PWR_D3CR_VOS_SHIFT); - /* disable step down converter */ - clrbits_le32(pwr_base + PWR_CR3, PWR_CR3_SDEN); + /* Lock supply configuration update */ + clrbits_le32(pwr_base + PWR_CR3, PWR_CR3_SCUEN); while (!(readl(pwr_base + PWR_D3CR) & PWR_D3CR_VOSREADY)) ; |