[PATCH] ARM: dts: imx6ul-pico-hobbit: add sgtl5000 sound card support

[Winter Wang]

> -----Original Message-----
> From: Fabio Estevam [mailto:festevam at gmail.com]
> To: Wente Wang <wente.wang at nxp.com>
> Cc: Shawn Guo <shawnguo at kernel.org>; Fabio Estevam <fabio.estevam at nxp.com>;
> Sascha Hauer <kernel at pengutronix.de>; linux-arm-kernel at lists.infradead.org;
> devicetree at vger.kernel.org
> Subject: Re: [PATCH] ARM: dts: imx6ul-pico-hobbit: add sgtl5000 sound card
> support
> 
> Hi Winter,
> 
> On Mon, Sep 5, 2016 at 5:21 AM, Winter Wang <wente.wang at nxp.com> wrote:
> > use simple-audio-card to support sgtl5000 with SAI interface.
> 
> Is this really needed? Currently we get audio working via sound/soc/fsl/fsl-
> asoc-card.c driver.
> > diff --git a/arch/arm/boot/dts/imx6ul-pinfunc.h
> > b/arch/arm/boot/dts/imx6ul-pinfunc.h
> > index 0034eeb..3397b49 100644
> > --- a/arch/arm/boot/dts/imx6ul-pinfunc.h
> > +++ b/arch/arm/boot/dts/imx6ul-pinfunc.h
> > @@ -924,7 +924,7 @@
> >  #define MX6UL_PAD_CSI_DATA06__ECSPI1_MOSI              0x01fc 0x0488
> 0x053c 3 1
> >  #define MX6UL_PAD_CSI_DATA06__EIM_AD06                 0x01fc 0x0488
> 0x0000 4 0
> >  #define MX6UL_PAD_CSI_DATA06__GPIO4_IO27               0x01fc 0x0488
> 0x0000 5 0
> > -#define MX6UL_PAD_CSI_DATA06__SAI1_RX_DATA             0x01fc 0x0488
> 0x0000 6 0
> > +#define MX6UL_PAD_CSI_DATA06__SAI1_RX_DATA             0x01fc 0x0488
> 0x05E4 6 1
> 
> This should be a separate change and you need to explain it.
I'm trying to enable pico's sgtl5000 on 4.4 kernel, but recording is not working sometimes.
I think it may related with pinfunc.h, will check that.