From 1ed914e341392dbb7c29f0f62c105a81cce6b3e0 Mon Sep 17 00:00:00 2001
From: Biju Das <biju.das.jz@bp.renesas.com>
Date: Fri, 29 Apr 2022 08:23:59 +0100
Subject: [PATCH] arm64: dts: renesas: rzg2ul-smarc: Enable Audio

Enable Audio on RZ/G2UL SMARC EVK by adding ssi1 pincontrol entries
to the soc-pinctrl dtsi and ssi1 and cpu sound_dai nodes to the board
dtsi.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220429072400.23729-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 .../boot/dts/renesas/rzg2ul-smarc-pinfunction.dtsi |  7 +++++++
 arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi      | 23 ++++++++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-pinfunction.dtsi b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-pinfunction.dtsi
index 1752718..201b701 100644
--- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-pinfunction.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-pinfunction.dtsi
@@ -98,4 +98,11 @@
 		pins = "AUDIO_CLK1", "AUDIO_CLK2";
 		input-enable;
 	};
+
+	ssi1_pins: ssi1 {
+		pinmux = <RZG2L_PORT_PINMUX(3, 0, 2)>, /* BCK */
+			 <RZG2L_PORT_PINMUX(3, 1, 2)>, /* RCK */
+			 <RZG2L_PORT_PINMUX(3, 2, 2)>, /* TXD */
+			 <RZG2L_PORT_PINMUX(3, 3, 2)>; /* RXD */
+	};
 };
diff --git a/arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi
index d75ad79..0051634 100644
--- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi
@@ -27,6 +27,10 @@
 };
 #endif
 
+&cpu_dai {
+	sound-dai = <&ssi1>;
+};
+
 &i2c1 {
 	wm8978: codec@1a {
 		compatible = "wlf,wm8978";
@@ -35,6 +39,25 @@
 	};
 };
 
+#if (SW_ET0_EN_N)
+&ssi1 {
+	pinctrl-0 = <&ssi1_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+#else
+&snd_rzg2l {
+	status = "disabled";
+};
+
+&ssi1 {
+	/delete-property/ pinctrl-0;
+	/delete-property/ pinctrl-names;
+	status = "disabled";
+};
+#endif
+
 &vccq_sdhi1 {
 	gpios = <&pinctrl RZG2L_GPIO(6, 1) GPIO_ACTIVE_HIGH>;
 };
-- 
2.7.4