arm64: dts: qcom: pmi632: Add PBS client and use in LPG node

With SDAM + PBS the LPG driver can configure the LED pattern in
hardware.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Link: https://lore.kernel.org/r/20240205-pmi632-ppg-v1-2-e236c95a2099@fairphone.comSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/pmi632.dtsi

@@ -157,6 +157,11 @@ pmi632_adc_tm: adc-tm@3500 {
 			status = "disabled";
 		};
 
+		pmi632_pbs_client3: pbs@7400 {
+			compatible = "qcom,pmi632-pbs", "qcom,pbs";
+			reg = <0x7400>;
+		};
+
 		pmi632_sdam_7: nvram@b600 {
 			compatible = "qcom,spmi-sdam";
 			reg = <0xb600>;
@@ -185,6 +190,10 @@ pmic@3 {
 		pmi632_lpg: pwm {
 			compatible = "qcom,pmi632-lpg";
 
+			nvmem = <&pmi632_sdam_7>;
+			nvmem-names = "lpg_chan_sdam";
+			qcom,pbs = <&pmi632_pbs_client3>;
+
 			#address-cells = <1>;
 			#size-cells = <0>;
 			#pwm-cells = <2>;