Enable HDMI audio on RZ/G2LC SMARC EVK. Set SW 1.5 to OFF
position on the SoM module to turn on HDMI audio.
Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
---
.../boot/dts/renesas/r9a07g044c2-smarc.dts | 3 ++
arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi | 37 +++++++++++++++++++
2 files changed, 40 insertions(+)
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..dc5d976e9316 100644
--- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi
@@ -33,6 +33,16 @@ hdmi_con_out: endpoint {
};
};
};
+
+#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)
@@ -48,10 +58,16 @@ &canfd {
};
#endif
+#if (!SW_I2S0_I2S1)
&cpu_dai {
sound-dai = <&ssi0>;
};
+&ssi0 {
+ /delete-node/ port;
+};
+#endif
+
&dsi {
status = "okay";
@@ -104,6 +120,15 @@ adv7535_out: endpoint {
remote-endpoint = <&hdmi_con_out>;
};
};
+
+#if (SW_I2S0_I2S1)
+ port@2 {
+ reg = <2>;
+ codec_endpoint: endpoint {
+ remote-endpoint = <&i2s2_cpu_endpoint>;
+ };
+ };
+#endif
};
};
};
@@ -177,6 +202,18 @@ &ssi0 {
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)
--
2.43.0
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