I'm working with a phycore vybrid SoM and I'm having some troubles binding
the sgtl5000 audio codec using devicetree.
As you can see, the codec driver could not be probed due to error -5.
The dts looks like this:
sound {
compatible = "fsl,imx-audio-sgtl5000";
model = "phycore-vybrid-sgtl5000";
audio-cpu = <&sai2>;
audio-codec = <&codec>;
audio-routing =
"MIC_IN", "Mic Jack",
"Mic Jack", "Mic Bias",
"Headphone Jack", "HP_OUT";
mux-int-port = <1>;
mux-ext-port = <3>;
};
/* .... */
&i2c2 {
clock-frequency = <400000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
status = "okay";
/* ... */
codec: sgtl5000@0a {
compatible = "fsl,sgtl5000";
reg = <0x0a>;
pinctrl-names = "default";
clocks = <&clks 150>;
micbias-resistor-k-ohms = <2>;
micbias-voltage-m-volts = <2250>;
VDDA-supply = <®_3p3v>;
VDDIO-supply = <®_3p3v>;
};
};
/* ... */
&iomuxc {
vf610-phycore {
pinctrl_i2c2: i2c2grp {
fsl,pins = <
VF610_PAD_PTA22__I2C2_SCL 0x34d3
VF610_PAD_PTA23__I2C2_SDA 0x34d3
>;
};
};
};
After the system boot, the output of dmesg looks like this:
dmesg | grep sgtl5000
[ 1.856390] bus: 'i2c': add driver sgtl5000
[ 1.856441] bus: 'i2c': driver_probe_device: matched device 0-000a with
driver sgtl5000
[ 1.856462] bus: 'i2c': really_probe: probing driver sgtl5000 with
device 0-000a
[ 1.856512] sgtl5000 0-000a: no default pinctrl state
[ 1.857164] sgtl5000: probe of 0-000a failed with error -5
dmesg | grep sai
[ 1.863020] bus: 'platform': add driver fsl-sai
[ 1.863098] bus: 'platform': driver_probe_device: matched device
40031000.sai with driver fsl-sai
[ 1.863121] bus: 'platform': really_probe: probing driver fsl-sai with
device 40031000.sai
[ 1.863276] fsl-sai 40031000.sai: no sleep pinctrl state
[ 1.863301] fsl-sai 40031000.sai: no idle pinctrl state
[ 1.863695] driver: '40031000.sai': driver_bound: bound to device
'fsl-sai'
[ 1.863726] bus: 'platform': really_probe: bound device 40031000.sai to
driver fsl-sai
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