| Message ID | 20250116203527.2102742-11-ninad@linux.ibm.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | DTS updates for system1 BMC | expand |
On 1/16/25 14:35, Ninad Palsule wrote: > Disable internal pull down for the following GPIO lines. > - GPIOL4 - Reset PCH registers in the rtc. > - GPIOL5 - Reset portition of Intel ME > - GPIOL6 - FM smi active > - GPIOL7 - psu all dc power good. Reviewed-by: Eddie James <eajames@linux.ibm.com> > > Signed-off-by: Ninad Palsule <ninad@linux.ibm.com> > --- > .../dts/aspeed/aspeed-bmc-ibm-system1.dts | 28 +++++++++++++++++++ > 1 file changed, 28 insertions(+) > > diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts > index 9abbad07c751..3cf45a39acbe 100644 > --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts > +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts > @@ -355,7 +355,35 @@ &uhci { > status = "okay"; > }; > > +&pinctrl { > + pinctrl_gpiol4_unbiased: gpiol4 { > + pins = "C15"; > + bias-disable; > + }; > + > + pinctrl_gpiol5_unbiased: gpiol5 { > + pins = "F15"; > + bias-disable; > + }; > + > + pinctrl_gpiol6_unbiased: gpiol6 { > + pins = "B14"; > + bias-disable; > + }; > + > + pinctrl_gpiol7_unbiased: gpiol7 { > + pins = "C14"; > + bias-disable; > + }; > +}; > + > &gpio0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_gpiol4_unbiased > + &pinctrl_gpiol5_unbiased > + &pinctrl_gpiol6_unbiased > + &pinctrl_gpiol7_unbiased>; > + > gpio-line-names = > /*A0-A7*/ "","","","","","","","", > /*B0-B7*/ "","","","","bmc-tpm-reset","","","",
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts index 9abbad07c751..3cf45a39acbe 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts @@ -355,7 +355,35 @@ &uhci { status = "okay"; }; +&pinctrl { + pinctrl_gpiol4_unbiased: gpiol4 { + pins = "C15"; + bias-disable; + }; + + pinctrl_gpiol5_unbiased: gpiol5 { + pins = "F15"; + bias-disable; + }; + + pinctrl_gpiol6_unbiased: gpiol6 { + pins = "B14"; + bias-disable; + }; + + pinctrl_gpiol7_unbiased: gpiol7 { + pins = "C14"; + bias-disable; + }; +}; + &gpio0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gpiol4_unbiased + &pinctrl_gpiol5_unbiased + &pinctrl_gpiol6_unbiased + &pinctrl_gpiol7_unbiased>; + gpio-line-names = /*A0-A7*/ "","","","","","","","", /*B0-B7*/ "","","","","bmc-tpm-reset","","","",
Disable internal pull down for the following GPIO lines. - GPIOL4 - Reset PCH registers in the rtc. - GPIOL5 - Reset portition of Intel ME - GPIOL6 - FM smi active - GPIOL7 - psu all dc power good. Signed-off-by: Ninad Palsule <ninad@linux.ibm.com> --- .../dts/aspeed/aspeed-bmc-ibm-system1.dts | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+)