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@xxxxxxxxxxx> --- arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts index fb87a168fe96..9577a34bb367 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts +++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts @@ -526,6 +526,11 @@ &i2s1_8ch { status = "okay"; }; +&i2s2_2ch { + rockchip,trcm-sync-tx-only; + status = "okay"; +}; + &mdio1 { rgmii_phy1: ethernet-phy@0 { compatible = "ethernet-phy-ieee802.3-c22"; -- 2.25.1