2022-02-09 18:58:29

by Rayyan Ansari

[permalink] [raw]
Subject: [PATCH v2] ARM: dts: qcom: pm8226: Add VADC node

Add a node for the voltage ADC (VADC) found in PM8226.

Signed-off-by: Rayyan Ansari <[email protected]>
---
arch/arm/boot/dts/qcom-pm8226.dtsi | 34 ++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-pm8226.dtsi b/arch/arm/boot/dts/qcom-pm8226.dtsi
index b3d0f7b5874d..5e07f34e4ec4 100644
--- a/arch/arm/boot/dts/qcom-pm8226.dtsi
+++ b/arch/arm/boot/dts/qcom-pm8226.dtsi
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: BSD-3-Clause
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/spmi/spmi.h>
+#include <dt-bindings/iio/qcom,spmi-vadc.h>

&spmi_bus {
pm8226_0: pm8226@0 {
@@ -40,6 +41,39 @@ smbb: charger@1000 {
chg_otg: otg-vbus { };
};

+ pm8226_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>;
+ };
+ };
+
pm8226_mpps: mpps@a000 {
compatible = "qcom,pm8226-mpp", "qcom,spmi-mpp";
reg = <0xa000>;
--
2.34.1