Re: [PATCH 11/15] arm64: dts: qcom: Add PM8953 PMIC

From: rayyan
Date: Mon Feb 07 2022 - 16:08:42 EST


On 2022-01-12 19:41, Luca Weiss wrote:
From: Vladimir Lypak <vladimir.lypak@xxxxxxxxx>

Add a base DT for PM8953 PMIC, commonly used with MSM8953.

Signed-off-by: Vladimir Lypak <vladimir.lypak@xxxxxxxxx>
Signed-off-by: Luca Weiss <luca@xxxxxxxxx>
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/pm8953.dtsi | 90 ++++++++++++++++++++++++++++
1 file changed, 90 insertions(+)
create mode 100644 arch/arm64/boot/dts/qcom/pm8953.dtsi

diff --git a/arch/arm64/boot/dts/qcom/pm8953.dtsi
b/arch/arm64/boot/dts/qcom/pm8953.dtsi
new file mode 100644
index 000000000000..102555b3f313
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/pm8953.dtsi
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/* Copyright (c) 2022, The Linux Foundation. All rights reserved. */
+
+#include <dt-bindings/iio/qcom,spmi-vadc.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/spmi/spmi.h>
+
+&spmi_bus {
+ pmic@0 {
+ compatible = "qcom,pm8953", "qcom,spmi-pmic";
+ reg = <0 SPMI_USID>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ rtc@6000 {
+ compatible = "qcom,pm8941-rtc";
+ reg = <0x6000>, <0x6100>;
+ reg-names = "rtc", "alarm";
+ interrupts = <0x0 0x61 0x1 IRQ_TYPE_EDGE_RISING>;
+ };
+
+ pm8953_pon: pon@800 {
+ compatible = "qcom,pm8916-pon";
+ reg = <0x800>;
+ mode-bootloader = <0x2>;
+ mode-recovery = <0x1>;
+
+ pwrkey {
+ compatible = "qcom,pm8941-pwrkey";
+ interrupts = <0x00 0x08 0 IRQ_TYPE_EDGE_BOTH>;
+ debounce = <15625>;
+ bias-pull-up;
+ linux,code = <KEY_POWER>;
+ };
+
+ pm8953_resin: resin {
+ compatible = "qcom,pm8941-resin";
+ interrupts = <0x00 0x08 1 IRQ_TYPE_EDGE_BOTH>;
+ debounce = <15625>;
+ bias-pull-up;
+ status = "disabled";
+ };
+ };
+
+ temp-alarm@2400 {
+ compatible = "qcom,spmi-temp-alarm";
+ reg = <0x2400>;
+ interrupts = <0x0 0x24 0x0 IRQ_TYPE_EDGE_RISING>;
+ io-channels = <&pm8953_vadc 0x08>;
+ io-channel-names = "thermal";
+ #thermal-sensor-cells = <0x00>;
+ };
+
+ pm8953_vadc: vadc@3100 {
+ compatible = "qcom,spmi-vadc";
+ reg = <0x3100>;
+ interrupts = <0x00 0x31 0x00 0x01>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #io-channel-cells = <1>;
+
+ die_temp@8 {
+ reg = <VADC_DIE_TEMP>;
+ };
+ ref_625mv@9 {
+ reg = <VADC_REF_625MV>;
+ };
+ ref_1250v@a {
+ reg = <VADC_REF_1250MV>;
+ };
+ ref_buf_625mv@c {
+ reg = <VADC_SPARE1>;
+ };
+ ref_gnd@e {
+ reg = <VADC_GND_REF>;
+ };
+ ref_vdd@f {
+ reg = <VADC_VDD_VADC>;
+ };

Could you use the generic names for each VADC channel as recommended in qcom,spmi-vadc.yaml?

+ };
+ };
+
+ pmic@1 {
+ compatible = "qcom,pm8953", "qcom,spmi-pmic";
+ reg = <1 SPMI_USID>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+};