From 85fa372bd3c6be780cfa566f0cd7cd0af3456f60 Mon Sep 17 00:00:00 2001
From: Jishnu Prakash <jprakash@qti.qualcomm.com>
Date: Thu, 15 Jul 2021 21:47:46 +0530
Subject: [PATCH] ARM: dts: msm: add ADC device instance for PMR735A on
 holi-pm6125

Add a SW-calibrated ADC instance for PMR735A on holi-pm6125
which can be used if there is a requirement to read any ADC
channels on PMR735A.

Change-Id: I8bff473ca2605a3601283865138dabf0589b903e
---
 qcom/holi-pmic-overlay-pm6125.dtsi | 46 ++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/qcom/holi-pmic-overlay-pm6125.dtsi b/qcom/holi-pmic-overlay-pm6125.dtsi
index dcc5af29e2da..cb7c64fc36ce 100644
--- a/qcom/holi-pmic-overlay-pm6125.dtsi
+++ b/qcom/holi-pmic-overlay-pm6125.dtsi
@@ -20,6 +20,52 @@
 	};
 };
 
+&spmi_bus {
+	qcom,pmr735a@4 {
+		/* Example configuration to enable PMR735A VADC in standalone mode */
+		pmr735a_vadc: vadc@3600 {
+			compatible = "qcom,spmi-adc7-sw-calib";
+			reg = <0x3600>, <0x3900>;
+			reg-names = "adc5-sw-calib-pbs-base", "adc5-sw-calib-cmn-base";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			interrupts = <0x4 0x36 0x0 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "eoc";
+			#io-channel-cells = <1>;
+			io-channel-ranges;
+			status = "disabled";
+
+			/* PMR735a Channel nodes */
+			pmr735a_ref_gnd {
+				reg = <ADC7_REF_GND>;
+				label = "pmr735a_ref_gnd";
+				qcom,pre-scaling = <1 1>;
+				qcom,no-cal;
+			};
+
+			pmr735a_vref_1p25 {
+				reg = <ADC7_1P25VREF>;
+				label = "pmr735a_vref_1p25";
+				qcom,pre-scaling = <1 1>;
+				qcom,no-cal;
+			};
+
+			pmr735a_vref_vdd {
+				reg = <ADC7_VREF_VADC>;
+				label = "pmr735a_vref_vdd";
+				qcom,pre-scaling = <1 1>;
+				qcom,no-cal;
+			};
+
+			pmr735a_die_temp {
+				reg = <ADC7_DIE_TEMP>;
+				label = "pmr735a_die_temp";
+				qcom,pre-scaling = <1 1>;
+			};
+		};
+	};
+};
+
 &pm6125_vadc {
 	pinctrl-names = "default";
 	pinctrl-0 = <