arm64: dts: rockchip: Add I2S2 node for RADXA Rock 3A

This patch adds I2S2 node for Radxa Rock 3A's M.2 E key slot for
Bluetooth PCM input. I2S2 is not used now, but could be configured
for Bluetooth HFP over PCM in future patches.

Signed-off-by: Shengyu Qu <wiagn233@outlook.com>
Link: https://lore.kernel.org/r/OS3P286MB259791E603F96942F51332D098359@OS3P286MB2597.JPNP286.PROD.OUTLOOK.COM
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
index c1fa917..c932ca4 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -557,6 +557,11 @@
        status = "okay";
 };
 
+&i2s2_2ch {
+       rockchip,trcm-sync-tx-only;
+       status = "okay";
+};
+
 &mdio1 {
        rgmii_phy1: ethernet-phy@0 {
                compatible = "ethernet-phy-ieee802.3-c22";