linux-kernel - Re: [PATCH 3/3] arm: plat-omap: Add PWM dmtimer platform data quirks

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Date:	Mon, 30 Nov 2015 10:37:07 -0800
From:	Tony Lindgren <tony@...mide.com>
To:	Neil Armstrong <narmstrong@...libre.com>
Cc:	Thierry Reding <thierry.reding@...il.com>,
	linux-pwm@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org,
	Grant Erickson <marathon96@...il.com>,
	NeilBrown <neilb@...e.de>, Joachim Eastwood <manabian@...il.com>
Subject: Re: [PATCH 3/3] arm: plat-omap: Add PWM dmtimer platform data quirks

* Neil Armstrong <narmstrong@...libre.com> [151102 03:14]:
> In order to set the currently platform dependent dmtimer
> functions pointers as platform data for the pwm-omap-dmtimer
> platform driver, add it to plat-omap auxdata_lookup table.
> 
> Suggested-by: Tony Lindgren <tony@...mide.com>
> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>

Actually this one will need to wait for Thierry to merge the driver
first because of the dependency to the platform_data. Please resend
this one separately once the driver hits the mainline tree.

Regards,

Tony

> ---
>  arch/arm/mach-omap2/pdata-quirks.c | 23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 
> diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
> index ea56397..647dec5 100644
> --- a/arch/arm/mach-omap2/pdata-quirks.c
> +++ b/arch/arm/mach-omap2/pdata-quirks.c
> @@ -23,6 +23,8 @@
>  #include <linux/platform_data/pinctrl-single.h>
>  #include <linux/platform_data/iommu-omap.h>
>  #include <linux/platform_data/wkup_m3.h>
> +#include <linux/platform_data/pwm_omap_dmtimer.h>
> +#include <plat/dmtimer.h>
> 
>  #include <asm/siginfo.h>
>  #include <asm/signal.h>
> @@ -453,6 +455,24 @@ void omap_auxdata_legacy_init(struct device *dev)
>  	dev->platform_data = &twl_gpio_auxdata;
>  }
> 
> +/* Dual mode timer PWM callbacks platdata */
> +#if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
> +struct pwm_omap_dmtimer_pdata pwm_dmtimer_pdata = {
> +	.request_by_node = omap_dm_timer_request_by_node,
> +	.free = omap_dm_timer_free,
> +	.enable = omap_dm_timer_enable,
> +	.disable = omap_dm_timer_disable,
> +	.get_fclk = omap_dm_timer_get_fclk,
> +	.start = omap_dm_timer_start,
> +	.stop = omap_dm_timer_stop,
> +	.set_load = omap_dm_timer_set_load,
> +	.set_match = omap_dm_timer_set_match,
> +	.set_pwm = omap_dm_timer_set_pwm,
> +	.set_prescaler = omap_dm_timer_set_prescaler,
> +	.write_counter = omap_dm_timer_write_counter,
> +};
> +#endif
> +
>  /*
>   * Few boards still need auxdata populated before we populate
>   * the dev entries in of_platform_populate().
> @@ -506,6 +526,9 @@ static struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
>  	OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
>  		       &wkup_m3_data),
>  #endif
> +#if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
> +	OF_DEV_AUXDATA("ti,omap-dmtimer-pwm", 0, NULL, &pwm_dmtimer_pdata),
> +#endif
>  #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
>  	OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
>  		       &omap4_iommu_pdata),
> -- 
> 1.9.1
> 
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