From 01c964bdaf49985e283326f397c1923a283efaa7 Mon Sep 17 00:00:00 2001
From: "phillip.choi" <phillip.choi@hardkernel.com>
Date: Wed, 24 Jul 2024 08:20:58 +0000
Subject: [PATCH] ODROID-M2: dtb/dtbo: Support spdif with pins 29 and 32

- Support spdif using both pins: 29 and 32
- Pins can be set by modifying config.ini
- Only one pin shoud be used for spdif functions
  - If both pins were set as spdif in config.ini, last pin would be ignored

Signed-off-by: phillip.choi <phillip.choi@hardkernel.com>
Change-Id: I3f6e92668189ef040dce12b88f7bef2192bfc9d1
---
 .../dts/rockchip/overlays/odroidm2/Makefile   |  2 ++
 .../rockchip/overlays/odroidm2/spdif_p29.dts  | 31 +++++++++++++++++++
 .../rockchip/overlays/odroidm2/spdif_p32.dts  | 28 +++++++++++++++++
 3 files changed, 61 insertions(+)
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm2/spdif_p29.dts
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm2/spdif_p32.dts

diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/Makefile b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/Makefile
index 4c699c35bdda..6ed44197efbd 100644
--- a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/Makefile
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/Makefile
@@ -14,6 +14,8 @@ dtbo-y += \
 	pwm7.dtbo \
 	pwm8.dtbo \
 	rknpu.dtbo \
+	spdif_p29.dtbo \
+	spdif_p32.dtbo \
 	spi0.dtbo \
 	ttyfiq0_115200.dtbo \
 	uart0-with-ctsrts.dtbo \
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/spdif_p29.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/spdif_p29.dts
new file mode 100644
index 000000000000..e2dc9996f5db
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/spdif_p29.dts
@@ -0,0 +1,31 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		target = <&spdif_tx_sound>;
+
+		__overlay__ {
+			status = "okay";
+			simple-audio-card,cpu {
+				sound-dai = <&spdif_tx1>;
+			};
+		};
+	};
+
+	fragment@1 {
+		target = <&spdif_tx_dc>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+	fragment@2 {
+		target = <&spdif_tx1>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/spdif_p32.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/spdif_p32.dts
new file mode 100644
index 000000000000..bdd4aedd0790
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/spdif_p32.dts
@@ -0,0 +1,28 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		target = <&spdif_tx_sound>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target = <&spdif_tx_dc>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+	fragment@2 {
+		target = <&spdif_tx0>;
+
+		__overlay__ {
+			status = "okay";
+		};
+	};
+};