| Message ID | 20241001071916.1362213-2-ggiordano@phytec.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Reconfigure 1.4GHz in AM62 PHYCORE SoM | expand |
Am 01.10.24 um 09:19 schrieb Garrett Giordano: > The am625 is capable of running at 1.4 GHz when VDD_CORE is increased > from 0.75V to 0.85V. Here we add a 1.4 GHz node to the a53_opp_table and > increase the VDD_CORE voltage accordingly. > > Signed-off-by: Garrett Giordano <ggiordano@phytec.com> Reviewed-by: Wadim Egorov <w.egorov@phytec.de> > --- > arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi | 11 +++++++++-- > 1 file changed, 9 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi b/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi > index 43488cc8bcb1..236b94c0248c 100644 > --- a/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi > @@ -173,6 +173,13 @@ AM62X_IOPAD(0x01f4, PIN_INPUT, 0) /* (D16) EXTINTn */ > }; > }; > > +&a53_opp_table { > + opp-1400000000 { > + opp-hz = /bits/ 64 <1400000000>; > + opp-supported-hw = <0x01 0x0004>; > + }; > +}; > + > &cpsw3g { > pinctrl-names = "default"; > pinctrl-0 = <&main_rgmii1_pins_default>; > @@ -226,8 +233,8 @@ pmic@30 { > regulators { > vdd_core: buck1 { > regulator-name = "VDD_CORE"; > - regulator-min-microvolt = <750000>; > - regulator-max-microvolt = <750000>; > + regulator-min-microvolt = <850000>; > + regulator-max-microvolt = <850000>; > regulator-boot-on; > regulator-always-on; > };
diff --git a/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi b/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi index 43488cc8bcb1..236b94c0248c 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi @@ -173,6 +173,13 @@ AM62X_IOPAD(0x01f4, PIN_INPUT, 0) /* (D16) EXTINTn */ }; }; +&a53_opp_table { + opp-1400000000 { + opp-hz = /bits/ 64 <1400000000>; + opp-supported-hw = <0x01 0x0004>; + }; +}; + &cpsw3g { pinctrl-names = "default"; pinctrl-0 = <&main_rgmii1_pins_default>; @@ -226,8 +233,8 @@ pmic@30 { regulators { vdd_core: buck1 { regulator-name = "VDD_CORE"; - regulator-min-microvolt = <750000>; - regulator-max-microvolt = <750000>; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <850000>; regulator-boot-on; regulator-always-on; };
The am625 is capable of running at 1.4 GHz when VDD_CORE is increased from 0.75V to 0.85V. Here we add a 1.4 GHz node to the a53_opp_table and increase the VDD_CORE voltage accordingly. Signed-off-by: Garrett Giordano <ggiordano@phytec.com> --- arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)