On Thu, Jun 29, 2017 at 10:39 AM, gianluca
<gianlucarenzi@xxxxxxxxxxxxxxxxxxx> wrote:
> In the device-tree the sound node is so configured:
>
>> sound {
>> compatible = "fsl,imx-audio-sgtl5000";
>> model = "imx6-ek360-sgtl5000";
>> ssi-controller = <&ssi1>;
>> audio-codec = <&sgtl5000>;
>> audio-routing =
>> "MIC_IN", "Mic Jack",
>> "Mic Jack", "Mic Bias",
>> "Headphone Jack", "HP_OUT";
>> mux-int-port = <1>;
>> mux-ext-port = <4>;
This should be mux-ext-port = <3>;
> I do not know about the mux-int-port or mux-ext-port. The only thing I know
> is the hardware guy told me he routed the ssi (CLK and DAT) to:
>
> AUD3_TXC_R (i2s_sclk)
> AUD3_TXD (i2s_din)
> AUD3_TXFS (i2s_lrclk)
> AUD3_RXD (i2s_dout)
> SYS_MCLK (GPIO_0_CLKO sys_mclk)
since you are using AUD3 pins.
>
> So I configured the pinmux for audio in the following way:
>
>> pinctrl_audmux: audmuxgrp {
>> fsl,pins = <
>> /* SGTL5000 sys_mclk */
>> MX6QDL_PAD_GPIO_0__CCM_CLKO1
>> 0x030b0
>> MX6QDL_PAD_CSI0_DAT4__AUD3_TXC
>> 0x130b0
>> MX6QDL_PAD_CSI0_DAT5__AUD3_TXD
>> 0x110b0
>> MX6QDL_PAD_CSI0_DAT6__AUD3_TXFS
>> 0x130b0
>> MX6QDL_PAD_CSI0_DAT7__AUD3_RXD
>> 0x130b0
>> >;
>> };
>
>
> Are the values correct for that?
They should be good.
> How can I check or dump the SGTL5000 registers?
cat /sys/kernel/debug/regmap/xxx
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