From ad90f613cea6ffc0c4a6bf6e2ea293fc13d58731 Mon Sep 17 00:00:00 2001
From: liaoxl <liaoxl@motorola.com>
Date: Mon, 11 Oct 2021 14:54:30 +0800
Subject: [PATCH] arm64/dts: cypfr: 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: Iba10b49f416d2e4ae98af3b81d3bd8cc93045703
Reviewed-on: https://gerrit.mot.com/2087029
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Reviewed-by: Bin Liu <liubin7@motorola.com>
Tested-by: Jira Key
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
---
 qcom/blair-cypfr-common-overlay.dtsi |  1 +
 qcom/blair-cypfr-fmr-overlay.dtsi    | 48 ++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)
 create mode 100644 qcom/blair-cypfr-fmr-overlay.dtsi

diff --git a/qcom/blair-cypfr-common-overlay.dtsi b/qcom/blair-cypfr-common-overlay.dtsi
index c3320159a163..99593bda5cb2 100644
--- a/qcom/blair-cypfr-common-overlay.dtsi
+++ b/qcom/blair-cypfr-common-overlay.dtsi
@@ -25,6 +25,7 @@
 #include "rt9426a.dtsi"
 #include "discrete_charging.dtsi"
 #include "sgm7220.dtsi"
+#include "blair-cypfr-fmr-overlay.dtsi"
 
 &usb0 {
        qcom,force-adb-enable;
diff --git a/qcom/blair-cypfr-fmr-overlay.dtsi b/qcom/blair-cypfr-fmr-overlay.dtsi
new file mode 100644
index 000000000000..8ce398dbec2e
--- /dev/null
+++ b/qcom/blair-cypfr-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>;
+	};
+};