From: Biju Das <biju.das.jz@bp.renesas.com>
Date: Mon, 26 Aug 2024 09:08:00 +0000 (+0100)
Subject: arm64: dts: renesas: rzg2lc-smarc: Enable HDMI audio
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=7fe722ee4c5a2f6d718db18e5f654dd28394f097;p=linux.git

arm64: dts: renesas: rzg2lc-smarc: Enable HDMI audio

Enable HDMI audio on the RZ/G2LC SMARC EVK.  Set SW 1.5 on the SoM
module to the OFF position to turn on HDMI audio.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20240826090803.56176-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---

diff --git a/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts b/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts
index 0b90367b6d1e..ee5bf2c58051 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts
+++ b/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts
@@ -47,6 +47,9 @@
 #error "Cannot set as both PMOD_MTU3 and SW_RSPI_CAN are mutually exclusive"
 #endif
 
+/* Please set SW_I2S0_I2S1. Default value is 0 */
+#define SW_I2S0_I2S1   0
+
 #include "r9a07g044c2.dtsi"
 #include "rzg2lc-smarc-som.dtsi"
 #include "rzg2lc-smarc.dtsi"
diff --git a/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi
index f21508640b6e..377849cbb462 100644
--- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi
@@ -33,6 +33,16 @@
 			};
 		};
 	};
+
+#if (SW_I2S0_I2S1)
+	/delete-node/ sound;
+
+	sound_card {
+		compatible = "audio-graph-card";
+		label = "HDMI-Audio";
+		dais = <&i2s2_port>;
+	};
+#endif
 };
 
 #if (SW_SCIF_CAN || SW_RSPI_CAN)
@@ -48,9 +58,11 @@
 };
 #endif
 
+#if (!SW_I2S0_I2S1)
 &cpu_dai {
 	sound-dai = <&ssi0>;
 };
+#endif
 
 &dsi {
 	status = "okay";
@@ -104,6 +116,15 @@
 					remote-endpoint = <&hdmi_con_out>;
 				};
 			};
+
+#if (SW_I2S0_I2S1)
+			port@2 {
+				reg = <2>;
+				codec_endpoint: endpoint {
+					remote-endpoint = <&i2s2_cpu_endpoint>;
+				};
+			};
+#endif
 		};
 	};
 };
@@ -177,6 +198,18 @@
 	pinctrl-names = "default";
 
 	status = "okay";
+
+#if (SW_I2S0_I2S1)
+	i2s2_port: port {
+		i2s2_cpu_endpoint: endpoint {
+			remote-endpoint = <&codec_endpoint>;
+			dai-format = "i2s";
+
+			bitclock-master = <&i2s2_cpu_endpoint>;
+			frame-master = <&i2s2_cpu_endpoint>;
+		};
+	};
+#endif
 };
 
 #if (SW_RSPI_CAN)