Message ID | 20180607204608.27688-2-dianders@chromium.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Thu 07 Jun 13:46 PDT 2018, Douglas Anderson wrote: > The debug UART is very useful to have. I2C10 is enabled as an example > of a I2C port we can talk on for now. Eventually we'll want to put > peripherals under it. > > Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org> Regards, Bjorn > --- > > arch/arm64/boot/dts/qcom/sdm845-mtp.dts | 52 +++++++++++++++++++++++++ > 1 file changed, 52 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts > index 979ab49913f1..e1eda143a725 100644 > --- a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts > +++ b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts > @@ -12,4 +12,56 @@ > / { > model = "Qualcomm Technologies, Inc. SDM845 MTP"; > compatible = "qcom,sdm845-mtp"; > + > + aliases { > + serial0 = &uart9; > + }; > + > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > +}; > + > +&i2c10 { > + status = "okay"; > + clock-frequency = <400000>; > +}; > + > +&qupv3_id_1 { > + status = "okay"; > +}; > + > +&uart9 { > + status = "okay"; > +}; > + > +/* PINCTRL - additions to nodes defined in sdm845.dtsi */ > + > +&qup_i2c10_default { > + pinconf { > + pins = "gpio55", "gpio56"; > + drive-strength = <2>; > + bias-disable; > + }; > +}; > + > +&qup_uart9_default { > + pinconf-tx { > + pins = "gpio4"; > + drive-strength = <2>; > + bias-disable; > + }; > + > + pinconf-rx { > + pins = "gpio5"; > + drive-strength = <2>; > + bias-pull-up; > + }; > +}; > + > +&qup_uart9_sleep { > + pinconf { > + pins = "gpio4", "gpio5"; > + bias-pull-down; > + }; > }; > -- > 2.17.1.1185.g55be947832-goog >
diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts index 979ab49913f1..e1eda143a725 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts +++ b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts @@ -12,4 +12,56 @@ / { model = "Qualcomm Technologies, Inc. SDM845 MTP"; compatible = "qcom,sdm845-mtp"; + + aliases { + serial0 = &uart9; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; +}; + +&i2c10 { + status = "okay"; + clock-frequency = <400000>; +}; + +&qupv3_id_1 { + status = "okay"; +}; + +&uart9 { + status = "okay"; +}; + +/* PINCTRL - additions to nodes defined in sdm845.dtsi */ + +&qup_i2c10_default { + pinconf { + pins = "gpio55", "gpio56"; + drive-strength = <2>; + bias-disable; + }; +}; + +&qup_uart9_default { + pinconf-tx { + pins = "gpio4"; + drive-strength = <2>; + bias-disable; + }; + + pinconf-rx { + pins = "gpio5"; + drive-strength = <2>; + bias-pull-up; + }; +}; + +&qup_uart9_sleep { + pinconf { + pins = "gpio4", "gpio5"; + bias-pull-down; + }; };
The debug UART is very useful to have. I2C10 is enabled as an example of a I2C port we can talk on for now. Eventually we'll want to put peripherals under it. Signed-off-by: Douglas Anderson <dianders@chromium.org> --- arch/arm64/boot/dts/qcom/sdm845-mtp.dts | 52 +++++++++++++++++++++++++ 1 file changed, 52 insertions(+)