arm: stm32mp: add weak function to save vddcore

Add a weak functions to save the vddcore voltage value provided
in the OPP node when the clock tree is initialized.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/clk/clk_stm32mp1.c b/drivers/clk/clk_stm32mp1.c
index 8acbad2..c8840b9 100644
--- a/drivers/clk/clk_stm32mp1.c
+++ b/drivers/clk/clk_stm32mp1.c
@@ -1229,6 +1229,10 @@ bool stm32mp1_supports_opp(u32 opp_id, u32 cpu_type)
 	}
 }
 
+__weak void board_vddcore_init(u32 voltage_mv)
+{
+}
+
 /*
  * gets OPP parameters (frequency in KHz and voltage in mV) from
  * an OPP table subnode. Platform HW support capabilities are also checked.
@@ -1306,6 +1310,7 @@ int stm32mp1_get_max_opp_freq(struct stm32mp1_clk_priv *priv, u64 *freq_hz)
 		return -FDT_ERR_NOTFOUND;
 
 	*freq_hz = (u64)1000U * freq;
+	board_vddcore_init(voltage);
 
 	return 0;
 }