HDMI audio is available on the Rock 5B HDMI TX ports.
Enable it for both ports.

Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
---
 arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
index 27128c6a05a2f..8f42cd0427701 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -231,6 +231,10 @@ hdmi0_out_con: endpoint {
 	};
 };
 
+&hdmi0_sound {
+	status = "okay";
+};
+
 &hdmi1 {
 	pinctrl-0 = <&hdmim0_tx1_cec &hdmim0_tx1_hpd
 		     &hdmim1_tx1_scl &hdmim1_tx1_sda>;
@@ -249,6 +253,10 @@ hdmi1_out_con: endpoint {
 	};
 };
 
+&hdmi1_sound {
+	status = "okay";
+};
+
 &hdptxphy_hdmi0 {
 	status = "okay";
 };
@@ -351,6 +359,14 @@ i2s0_8ch_p0_0: endpoint {
 	};
 };
 
+&i2s5_8ch {
+	status = "okay";
+};
+
+&i2s6_8ch {
+	status = "okay";
+};
+
 &package_thermal {
 	polling-delay = <1000>;
 
-- 
2.48.1