arm64: dts: rockchip: Assign RT5616 MCLK rate on rk3588-friendlyelec-cm3588

The Realtek RT5616 audio codec on the FriendlyElec CM3588 module fails
to probe correctly due to the missing clock properties. This results
in distorted analogue audio output.

Assign MCLK to 12.288 MHz, which allows the codec to advertise most of
the standard sample rates per other RK3588 devices.

Fixes: e23819cf273c ("arm64: dts: rockchip: Add FriendlyElec CM3588 NAS board")
Signed-off-by: Tom Vincent <linux@tlvince.com>
Link: https://lore.kernel.org/r/20250417081753.644950-1-linux@tlvince.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-friendlyelec-cm3588.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-friendlyelec-cm3588.dtsi
index 1af0a30866f619ae6f1db549f9158679135689ac..af431fdcbea7a64d9fac77208f100cac1a296615 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3588-friendlyelec-cm3588.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-friendlyelec-cm3588.dtsi
@@ -222,6 +222,10 @@
                compatible = "realtek,rt5616";
                reg = <0x1b>;
                #sound-dai-cells = <0>;
+               assigned-clocks = <&cru I2S0_8CH_MCLKOUT>;
+               assigned-clock-rates = <12288000>;
+               clocks = <&cru I2S0_8CH_MCLKOUT>;
+               clock-names = "mclk";
        };
 };