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List:       linux-omap
Subject:    Re: [PATCH v2 4/4] ARM: DRA7: hwmod: Add data for GPTimer 12
From:       Tony Lindgren <tony () atomide ! com>
Date:       2015-11-30 18:59:53
Message-ID: 20151130185953.GM2517 () atomide ! com
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* Suman Anna <s-anna@ti.com> [151005 16:35]:
> Add the hwmod data for GPTimer 12. GPTimer 12 is present in
> WKUPAON power domain and is clocked from a secure 32K clock.
> GPTimer 12 serves as a secure timer on HS devices, but is
> available for kernel on regular GP devices.
> 
> The hwmod link is registered only on GP devices. The hwmod data
> also reused the existing timer class instead of reintroducing
> the identical dra7xx_timer_secure_sysc class which was dropped
> in commit edec17863362 ("ARM: DRA7: hwmod: Fix the hwmod class
> for GPTimer4").
> 
> Signed-off-by: Suman Anna <s-anna@ti.com>

Paul should take a look at this one.

Regards,

Tony

> ---
>  arch/arm/mach-omap2/omap_hwmod_7xx_data.c | 36 +++++++++++++++++++++++++++++--
>  1 file changed, 34 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
> index 562247bced49..37a10f87fbcd 100644
> --- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
> +++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
> @@ -1929,6 +1929,20 @@ static struct omap_hwmod dra7xx_timer11_hwmod = {
>  	},
>  };
>  
> +/* timer12 */
> +static struct omap_hwmod dra7xx_timer12_hwmod = {
> +	.name		= "timer12",
> +	.class		= &dra7xx_timer_hwmod_class,
> +	.clkdm_name	= "wkupaon_clkdm",
> +	.main_clk	= "secure_32k_clk_src_ck",
> +	.prcm = {
> +		.omap4 = {
> +			.clkctrl_offs = DRA7XX_CM_WKUPAON_TIMER12_CLKCTRL_OFFSET,
> +			.context_offs = DRA7XX_RM_WKUPAON_TIMER12_CONTEXT_OFFSET,
> +		},
> +	},
> +};
> +
>  /* timer13 */
>  static struct omap_hwmod dra7xx_timer13_hwmod = {
>  	.name		= "timer13",
> @@ -3135,6 +3149,14 @@ static struct omap_hwmod_ocp_if dra7xx_l4_per1__timer11 = {
>  	.user		= OCP_USER_MPU | OCP_USER_SDMA,
>  };
>  
> +/* l4_wkup -> timer12 */
> +static struct omap_hwmod_ocp_if dra7xx_l4_wkup__timer12 = {
> +	.master		= &dra7xx_l4_wkup_hwmod,
> +	.slave		= &dra7xx_timer12_hwmod,
> +	.clk		= "wkupaon_iclk_mux",
> +	.user		= OCP_USER_MPU | OCP_USER_SDMA,
> +};
> +
>  /* l4_per3 -> timer13 */
>  static struct omap_hwmod_ocp_if dra7xx_l4_per3__timer13 = {
>  	.master		= &dra7xx_l4_per3_hwmod,
> @@ -3429,6 +3451,13 @@ static struct omap_hwmod_ocp_if *dra7xx_hwmod_ocp_ifs[] __initdata = {
>  	NULL,
>  };
>  
> +/* GP-only hwmod links */
> +static struct omap_hwmod_ocp_if *dra7xx_gp_hwmod_ocp_ifs[] __initdata = {
> +	&dra7xx_l4_wkup__timer12,
> +	NULL,
> +};
> +
> +/* SoC variant specific hwmod links */
>  static struct omap_hwmod_ocp_if *dra74x_hwmod_ocp_ifs[] __initdata = {
>  	&dra7xx_l4_per3__usb_otg_ss4,
>  	NULL,
> @@ -3446,9 +3475,12 @@ int __init dra7xx_hwmod_init(void)
>  	ret = omap_hwmod_register_links(dra7xx_hwmod_ocp_ifs);
>  
>  	if (!ret && soc_is_dra74x())
> -		return omap_hwmod_register_links(dra74x_hwmod_ocp_ifs);
> +		ret = omap_hwmod_register_links(dra74x_hwmod_ocp_ifs);
>  	else if (!ret && soc_is_dra72x())
> -		return omap_hwmod_register_links(dra72x_hwmod_ocp_ifs);
> +		ret = omap_hwmod_register_links(dra72x_hwmod_ocp_ifs);
> +
> +	if (!ret && omap_type() == OMAP2_DEVICE_TYPE_GP)
> +		ret = omap_hwmod_register_links(dra7xx_gp_hwmod_ocp_ifs);
>  
>  	return ret;
>  }
> -- 
> 2.6.0
> 
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