[alsa-devel] [PATCH 03/10] mfd: sun6i-prcm: Add codec analog controls sub-device for Allwinner A23

[Lee Jones]

On Sat, 12 Nov 2016, Chen-Yu Tsai wrote:

> The PRCM block on the A23 contains a message box like interface to
> the registers for the analog path controls of the internal codec.
> 
> Add a sub-device for it.
> 
> Signed-off-by: Chen-Yu Tsai <wens at csie.org>
> ---
>  drivers/mfd/sun6i-prcm.c | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/drivers/mfd/sun6i-prcm.c b/drivers/mfd/sun6i-prcm.c
> index 011fcc555945..4abbf2ede944 100644
> --- a/drivers/mfd/sun6i-prcm.c
> +++ b/drivers/mfd/sun6i-prcm.c
> @@ -12,6 +12,9 @@
>  #include <linux/init.h>
>  #include <linux/of.h>
>  
> +#define SUN8I_CODEC_ANALOG_BASE	0x1c0
> +#define SUN8I_CODEC_ANALOG_END	(SUN8I_CODEC_ANALOG_BASE + 0x4 - 1)
> +
>  struct prcm_data {
>  	int nsubdevs;
>  	const struct mfd_cell *subdevs;
> @@ -57,6 +60,14 @@ static const struct resource sun6i_a31_apb0_rstc_res[] = {
>  	},
>  };
>  
> +static const struct resource sun8i_codec_analog_res[] = {
> +	{
> +		.start	= SUN8I_CODEC_ANALOG_BASE,
> +		.end	= SUN8I_CODEC_ANALOG_END,
> +		.flags	= IORESOURCE_MEM,
> +	},
> +};

Use the DEVICE_RES_* macros.

>  static const struct mfd_cell sun6i_a31_prcm_subdevs[] = {
>  	{
>  		.name = "sun6i-a31-ar100-clk",
> @@ -109,6 +120,12 @@ static const struct mfd_cell sun8i_a23_prcm_subdevs[] = {
>  		.num_resources = ARRAY_SIZE(sun6i_a31_apb0_rstc_res),
>  		.resources = sun6i_a31_apb0_rstc_res,
>  	},
> +	{
> +		.name		= "sun8i-codec-analog",
> +		.of_compatible	= "allwinner,sun8i-a23-codec-analog",
> +		.num_resources	= ARRAY_SIZE(sun8i_codec_analog_res),
> +		.resources	= sun8i_codec_analog_res,
> +	},
>  };
>  
>  static const struct prcm_data sun6i_a31_prcm_data = {

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
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