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 ---
Changes in v2: None
arch/arm/mach-stm32mp/include/mach/sys_proto.h | 3 +++ drivers/clk/clk_stm32mp1.c | 5 +++++ 2 files changed, 8 insertions(+)
diff --git a/arch/arm/mach-stm32mp/include/mach/sys_proto.h b/arch/arm/mach-stm32mp/include/mach/sys_proto.h index 4b6c7b8bdd..4149d3a133 100644 --- a/arch/arm/mach-stm32mp/include/mach/sys_proto.h +++ b/arch/arm/mach-stm32mp/include/mach/sys_proto.h @@ -48,3 +48,6 @@ void get_soc_name(char name[SOC_NAME_SIZE]); u32 get_bootmode(void);
int setup_mac_address(void); + +/* board power management : configure vddcore according OPP */ +void board_vddcore_init(u32 voltage_mv); diff --git a/drivers/clk/clk_stm32mp1.c b/drivers/clk/clk_stm32mp1.c index b48c835bc3..d1177fc3af 100644 --- a/drivers/clk/clk_stm32mp1.c +++ b/drivers/clk/clk_stm32mp1.c @@ -1226,6 +1226,10 @@ 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. @@ -1303,6 +1307,7 @@ 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; }