[PATCH 3/3] ARM: AMx3xx: hwmod: RTC: Add lock and unlock functions

[Paul Walmsley]

Hi

On Wed, 10 Jun 2015, Lokesh Vutla wrote:

> RTC IP have kicker feature which prevents spurious writes to its registers.
> In order to write into any of the RTC registers, KICK values has to be
> written to KICK registers.
> 
> omap_hwmod_rtc_unlock/lock functions writes into these KICK registers
> inorder to lock and unlock RTC registers.
> This patch hooks omap_hwmod_rtc_unlock/lock functions into RTC hwmod,
> so that SYSCONFIG register is updated properly.
> 
> Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
> ---
>  arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c
> index cabc569..2d92958 100644
> --- a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c
> +++ b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c
> @@ -904,6 +904,8 @@ static struct omap_hwmod_class_sysconfig am33xx_rtc_sysc = {
>  static struct omap_hwmod_class am33xx_rtc_hwmod_class = {
>  	.name		= "rtc",
>  	.sysc		= &am33xx_rtc_sysc,
> +	.unlock		= &omap_hwmod_rtc_unlock,
> +	.lock		= &omap_hwmod_rtc_lock,
>  };
>  
>  struct omap_hwmod am33xx_rtc_hwmod = {

The DRA7xx integration from the previous patch should either be combined 
with this patch, or moved into a separate patch like this one (your 
preference).


- Paul