From 01234dd487eccac4a3c31162e21e2714de352ed0 Mon Sep 17 00:00:00 2001
From: Luke Go <sangch.go@gmail.com>
Date: Mon, 24 Aug 2020 15:26:29 +0900
Subject: [PATCH] ODROID-N2: arm64/dts: overlay: Add a gpio-spdifout.

- Add gpio's spdifout overlays. It support GPIOA 13 -PIN7 spdifout.

Change-Id: I95b99af5e531cba53748c0d82ff112d39ca8bbee
---
 .../boot/dts/amlogic/overlays/odroidn2/Makefile   |  3 ++-
 .../dts/amlogic/overlays/odroidn2/gpio_spdif.dts  | 15 +++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm64/boot/dts/amlogic/overlays/odroidn2/gpio_spdif.dts

diff --git a/arch/arm64/boot/dts/amlogic/overlays/odroidn2/Makefile b/arch/arm64/boot/dts/amlogic/overlays/odroidn2/Makefile
index 274530447195..0c13a4406c41 100644
--- a/arch/arm64/boot/dts/amlogic/overlays/odroidn2/Makefile
+++ b/arch/arm64/boot/dts/amlogic/overlays/odroidn2/Makefile
@@ -19,7 +19,8 @@ dtbo-$(CONFIG_ARCH_MESON64_ODROIDN2) += spi0.dtbo		\
 					pwm_cd.dtbo		\
 					pwm_ef.dtbo		\
 					pwm_c-pwmfan.dtbo		\
-					pwm_d-backlight.dtbo
+					pwm_d-backlight.dtbo	\
+					gpio_spdif.dtbo
 
 targets	+= $(dtbo-y)
 always	:= $(dtbo-y)
diff --git a/arch/arm64/boot/dts/amlogic/overlays/odroidn2/gpio_spdif.dts b/arch/arm64/boot/dts/amlogic/overlays/odroidn2/gpio_spdif.dts
new file mode 100644
index 000000000000..9cdf2343a205
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/overlays/odroidn2/gpio_spdif.dts
@@ -0,0 +1,15 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		// GPIOA 13
+		target = <&spdifout>;
+
+		__overlay__ {
+			mux {
+				groups = "spdif_out_a13";
+			};
+		};
+	};
+};