From: Biju Das <biju.das.jz@bp.renesas.com>
Date: Mon, 26 Aug 2024 09:07:59 +0000 (+0100)
Subject: arm64: dts: renesas: rzg2l-smarc: Enable HDMI audio
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=73573fde91ebbf536ad1368150a1ef875ca0786f;p=linux.git

arm64: dts: renesas: rzg2l-smarc: Enable HDMI audio

Enable HDMI audio on the RZ/{G2L,V2L} SMARC EVK.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20240826090803.56176-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---

diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc-pinfunction.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc-pinfunction.dtsi
index 18c526c7a4cf..e9f244c33d55 100644
--- a/arch/arm64/boot/dts/renesas/rzg2l-smarc-pinfunction.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2l-smarc-pinfunction.dtsi
@@ -143,6 +143,12 @@
 			 <RZG2L_PORT_PINMUX(45, 3, 1)>; /* RXD */
 	};
 
+	ssi1_pins: ssi1 {
+		pinmux = <RZG2L_PORT_PINMUX(46, 0, 1)>, /* BCK */
+			 <RZG2L_PORT_PINMUX(46, 1, 1)>, /* RCK */
+			 <RZG2L_PORT_PINMUX(46, 2, 1)>; /* TXD */
+	};
+
 	usb0_pins: usb0 {
 		pinmux = <RZG2L_PORT_PINMUX(4, 0, 1)>, /* VBUS */
 			 <RZG2L_PORT_PINMUX(5, 0, 1)>, /* OVC */
diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
index 887dffe14910..ee3d96fdb616 100644
--- a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
@@ -30,6 +30,12 @@
 			};
 		};
 	};
+
+	sound_card {
+		compatible = "audio-graph-card";
+		label = "HDMI-Audio";
+		dais = <&i2s2_port>;
+	};
 };
 
 &cpu_dai {
@@ -88,6 +94,13 @@
 					remote-endpoint = <&hdmi_con_out>;
 				};
 			};
+
+			port@2 {
+				reg = <2>;
+				codec_endpoint: endpoint {
+					remote-endpoint = <&i2s2_cpu_endpoint>;
+				};
+			};
 		};
 	};
 };
@@ -170,6 +183,23 @@
 	status = "okay";
 };
 
+&ssi1 {
+	pinctrl-0 = <&ssi1_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+
+	i2s2_port: port {
+		i2s2_cpu_endpoint: endpoint {
+			remote-endpoint = <&codec_endpoint>;
+			dai-format = "i2s";
+
+			bitclock-master = <&i2s2_cpu_endpoint>;
+			frame-master = <&i2s2_cpu_endpoint>;
+		};
+	};
+};
+
 &vccq_sdhi1 {
 	gpios = <&pinctrl RZG2L_GPIO(39, 1) GPIO_ACTIVE_HIGH>;
 };