| Message ID | 1532669385-45493-1-git-send-email-mine260309@gmail.com |
|---|---|
| State | Rejected, archived |
| Headers | show |
| Series | [linux,dev-4.17] ARM: dts: aspeed: romulus: Enable iio-hwmon-battery | expand |
Please do NOT merge this patch, as toggling GPIOR3 drains the battery. On Fri, Jul 27, 2018 at 1:29 PM Lei YU <mine260309@gmail.com> wrote: > > Add iio-hwmon-battery using adc channel 12; > Pull GPIOR3 high to enable RTC_ADC; > Enable adc to make adc running. > > Signed-off-by: Lei YU <mine260309@gmail.com> > --- > arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts > index 852b552..461564c 100644 > --- a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts > +++ b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts > @@ -83,6 +83,11 @@ > linux,code = <ASPEED_GPIO(Q, 7)>; > }; > }; > + > + iio-hwmon-battery { > + compatible = "iio-hwmon"; > + io-channels = <&adc 12>; > + }; > }; > > #include "ibm-power9-cfam.dtsi" > @@ -236,6 +241,12 @@ > output-low; > line-name = "seq_cont"; > }; > + rtc_adc_en { > + gpio-hog; > + gpios = <ASPEED_GPIO(R, 3) GPIO_ACTIVE_HIGH>; > + output-high; > + line-name = "rtc_adc_en"; > + }; > }; > > &vuart { > @@ -304,3 +315,7 @@ > status = "okay"; > }; > > +&adc { > + status = "okay"; > +}; > + > -- > 2.7.4 >
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts index 852b552..461564c 100644 --- a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts +++ b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts @@ -83,6 +83,11 @@ linux,code = <ASPEED_GPIO(Q, 7)>; }; }; + + iio-hwmon-battery { + compatible = "iio-hwmon"; + io-channels = <&adc 12>; + }; }; #include "ibm-power9-cfam.dtsi" @@ -236,6 +241,12 @@ output-low; line-name = "seq_cont"; }; + rtc_adc_en { + gpio-hog; + gpios = <ASPEED_GPIO(R, 3) GPIO_ACTIVE_HIGH>; + output-high; + line-name = "rtc_adc_en"; + }; }; &vuart { @@ -304,3 +315,7 @@ status = "okay"; }; +&adc { + status = "okay"; +}; +
Add iio-hwmon-battery using adc channel 12; Pull GPIOR3 high to enable RTC_ADC; Enable adc to make adc running. Signed-off-by: Lei YU <mine260309@gmail.com> --- arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+)