From a37a86d99a26d0526ea65be5892be29d2c4cc32f Mon Sep 17 00:00:00 2001
From: duqiu2 <duqiu2@lenovo.com>
Date: Thu, 29 Jul 2021 17:13:13 +0800
Subject: [PATCH] arm64/dts: corfur: enable FM ELNA control module

Per tinno HW team req, enable this feature to control FM
ELNA module,  fix FM signal loss issue of HW design.

Change-Id: I29018dbed21e233ece4d9bb5771843384baf4af1
Signed-off-by: duqiu2 <duqiu2@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2027757
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Xianglong Liao <liaoxl@motorola.com>
Reviewed-by: Ying Xu <xuying9@motorola.com>
Reviewed-by: Tao Sun <suntao2@motorola.com>
Submit-Approved: Jira Key
---
 qcom/blair-corfur-common-overlay.dtsi |  1 +
 qcom/blair-corfur-fmr-overlay.dtsi    | 48 +++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)
 create mode 100644 qcom/blair-corfur-fmr-overlay.dtsi

diff --git a/qcom/blair-corfur-common-overlay.dtsi b/qcom/blair-corfur-common-overlay.dtsi
index 055c899667fa..c33880479a23 100644
--- a/qcom/blair-corfur-common-overlay.dtsi
+++ b/qcom/blair-corfur-common-overlay.dtsi
@@ -25,6 +25,7 @@
 #include "corfup-charger.dtsi"
 #include "camera/blair-camera-sensor-mot-corfup-overlay.dtsi"
 #include "camera/holi-camera-sensor-mot-corfup-dvt1-overlay.dtsi"
+#include "blair-corfur-fmr-overlay.dtsi"
 
 &smb1394 {
 	status = "disabled";
diff --git a/qcom/blair-corfur-fmr-overlay.dtsi b/qcom/blair-corfur-fmr-overlay.dtsi
new file mode 100644
index 000000000000..8ce398dbec2e
--- /dev/null
+++ b/qcom/blair-corfur-fmr-overlay.dtsi
@@ -0,0 +1,48 @@
+&tlmm {
+	fm_elna_default: fm_elna_default {
+		mux {
+				pins = "gpio47";
+				function = "gpio";
+		};
+		config {
+				pins = "gpio47";
+				drive_strength = <16>;
+				output-low;
+		};
+	};
+
+	fm_elna_active: fm_elna_active {
+		mux {
+				pins = "gpio47";
+				function = "gpio";
+		};
+		config {
+				pins = "gpio47";
+				drive_strength = <16>;
+				output-high;
+		};
+	};
+
+	fm_elna_suspend: fm_elna_suspend {
+		mux {
+				pins = "gpio47";
+				function = "gpio";
+		};
+		config {
+				pins = "gpio47";
+				drive_strength = <16>;
+				output-low;
+		};
+	};
+};
+
+&soc {
+	fmradio: fm_wcn39x0 {
+		status = "ok";
+		compatible = "moto,fmctrl";
+		pinctrl-names = "default", "elna_active", "elna_suspend";
+		pinctrl-0 = <&fm_elna_default>;
+		pinctrl-1 = <&fm_elna_active>;
+		pinctrl-2 = <&fm_elna_suspend>;
+	};
+};