[PATCH 1/4] ARM: davinci: da8xx: VPIF: enable DT init

[David Lechner]

On 11/22/2016 01:45 PM, Kevin Hilman wrote:
> Add basic support for DT initializaion of VPIF (capture) via DT.  Clocks
> and mux still need to happen in this file until there are real clock and
> pinctrl drivers, but the video nodes and subdevs can all come from DT.
>
> Signed-off-by: Kevin Hilman <khilman at baylibre.com>
> ---
>  arch/arm/mach-davinci/da8xx-dt.c | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
>
> diff --git a/arch/arm/mach-davinci/da8xx-dt.c b/arch/arm/mach-davinci/da8xx-dt.c
> index c9f7e9274aa8..7b41611f2665 100644
> --- a/arch/arm/mach-davinci/da8xx-dt.c
> +++ b/arch/arm/mach-davinci/da8xx-dt.c
> @@ -17,6 +17,7 @@
>  #include <mach/common.h>
>  #include "cp_intc.h"
>  #include <mach/da8xx.h>
> +#include <mach/mux.h>
>
>  static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
>  	OF_DEV_AUXDATA("ti,davinci-i2c", 0x01c22000, "i2c_davinci.1", NULL),
> @@ -38,14 +39,30 @@ static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
>  		       NULL),
>  	OF_DEV_AUXDATA("ti,da830-mcasp-audio", 0x01d00000, "davinci-mcasp.0", NULL),
>  	OF_DEV_AUXDATA("ti,da850-aemif", 0x68000000, "ti-aemif", NULL),
> +	OF_DEV_AUXDATA("ti,da850-vpif", 0x01e17000, "vpif", NULL),
>  	{}
>  };
>
>  #ifdef CONFIG_ARCH_DAVINCI_DA850
>
> +#if IS_ENABLED(CONFIG_VIDEO_DAVINCI_VPIF_CAPTURE)
> +static __init void da850_vpif_capture_init(void)
> +{
> +	int ret;
> +
> +	ret = davinci_cfg_reg_list(da850_vpif_capture_pins);

Why can't we use the existing pinctrl-single node in device tree for 
muxing the pins?

> +	if (ret)
> +		pr_warn("da850_evm_init: VPIF capture mux setup failed: %d\n",
> +			ret);
> +}
> +#else
> +#define da850_vpif_capture_init()
> +#endif
> +
>  static void __init da850_init_machine(void)
>  {
>  	of_platform_default_populate(NULL, da850_auxdata_lookup, NULL);
> +	da850_vpif_capture_init();
>  }
>
>  static const char *const da850_boards_compat[] __initconst = {
>