linux-kernel - [PATCH] arm64: dts: qcom: sm7225-fairphone-fp4: Add pmk8350 PMIC

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Date:   Wed,  7 Dec 2022 09:40:45 +0100
From:   Luca Weiss <luca.weiss@...rphone.com>
To:     linux-arm-msm@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        Luca Weiss <luca.weiss@...rphone.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: qcom: sm7225-fairphone-fp4: Add pmk8350 PMIC

The PMK8350 (which is actually a PMK8003) is used for the RTC and has
ADC for thermals.

Since the adc_tm compatible used in PMK8350 is not yet supported, skip
configuring that and the associated thermal zone for now.

Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
 .../boot/dts/qcom/sm7225-fairphone-fp4.dts    | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts b/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts
index c456e9594ea5..df05e5dc8696 100644
--- a/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts
+++ b/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts
@@ -5,7 +5,11 @@
 
 /dts-v1/;
 
+/* PMK8350 (in reality a PMK8003) is configured to use SID6 instead of 0 */
+#define PMK8350_SID 6
+
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/iio/qcom,spmi-adc7-pmk8350.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
@@ -13,6 +17,7 @@
 #include "pm6150l.dtsi"
 #include "pm6350.dtsi"
 #include "pm7250b.dtsi"
+#include "pmk8350.dtsi"
 
 / {
 	model = "Fairphone 4";
@@ -426,6 +431,20 @@ conn-therm@1 {
 	};
 };
 
+&pmk8350_rtc {
+	status = "okay";
+};
+
+&pmk8350_vadc {
+	adc-chan@644 {
+		reg = <PMK8350_ADC7_AMUX_THM1_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time = <200>;
+		qcom,pre-scaling = <1 1>;
+		label = "xo_therm";
+	};
+};
+
 &qupv3_id_1 {
 	status = "okay";
 };
-- 
2.38.1