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arm64: dts: qcom: pm8994: Add VADC node

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Add VADC note and some of its channels to allow
for voltage/temperature reading.

Signed-off-by: Konrad Dybcio <konradybcio@gmail.com>
Link: https://lore.kernel.org/r/20201005150313.149754-2-konradybcio@gmail.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Konrad Dybcio 2020-10-05 17:03:01 +02:00 committed by Bjorn Andersson
parent 2315ae70af
commit 183d4cafa7
1 changed files with 35 additions and 1 deletions
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36
arch/arm64/boot/dts/qcom/pm8994.dtsi
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@ -1,7 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/iio/qcom,spmi-vadc.h>
#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/spmi/spmi.h>
#include <dt-bindings/input/linux-event-codes.h>
&spmi_bus {
@ -35,6 +36,39 @@ pwrkey {
};
pm8994_vadc: adc@3100 {
compatible = "qcom,spmi-vadc";
reg = <0x3100>;
interrupts = <0x0 0x31 0x0 IRQ_TYPE_EDGE_RISING>;
#address-cells = <1>;
#size-cells = <0>;
#io-channel-cells = <1>;
adc-chan@7 {
reg = <VADC_VSYS>;
qcom,pre-scaling = <1 3>;
label = "vph_pwr";
};
adc-chan@8 {
reg = <VADC_DIE_TEMP>;
label = "die_temp";
};
adc-chan@9 {
reg = <VADC_REF_625MV>;
label = "ref_625mv";
};
adc-chan@a {
reg = <VADC_REF_1250MV>;
label = "ref_1250mv";
};
adc-chan@e {
reg = <VADC_GND_REF>;
};
adc-chan@f {
reg = <VADC_VDD_VADC>;
};
};
pm8994_gpios: gpios@c000 {
compatible = "qcom,pm8994-gpio";
reg = <0xc000>;