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From: Jonathan Cameron <jic23@kernel.org>
To: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>,
	<linux-stm32@st-md-mailman.stormreply.com>,
	<kernel@pengutronix.de>, <a.fatoum@pengutronix.de>,
	<kamel.bouhara@bootlin.com>, <gwendal@chromium.org>,
	<alexandre.belloni@bootlin.com>, <david@lechnology.com>,
	<linux-iio@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>, <syednwaris@gmail.com>,
	<patrick.havelange@essensium.com>, <fabrice.gasnier@st.com>,
	<mcoquelin.stm32@gmail.com>, <alexandre.torgue@st.com>,
	<o.rempel@pengutronix.de>, <jarkko.nikula@linux.intel.com>
Subject: Re: [PATCH v16 02/14] counter: stm32-timer-cnt: Provide defines for slave mode selection
Date: Wed, 8 Sep 2021 18:31:49 +0100	[thread overview]
Message-ID: <20210908183149.468e60ac@jic23-huawei> (raw)
In-Reply-To: <ad245fd3-5751-08e6-3f3a-30522822f0af@foss.st.com>

On Tue, 31 Aug 2021 15:40:37 +0200
Fabrice Gasnier <fabrice.gasnier@foss.st.com> wrote:

> On 8/27/21 5:47 AM, William Breathitt Gray wrote:
> > The STM32 timer permits configuration of the counter encoder mode via
> > the slave mode control register (SMCR) slave mode selection (SMS) bits.
> > This patch provides preprocessor defines for the supported encoder
> > modes.
> > 
> > Cc: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
> > Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
> > ---
> >  drivers/counter/stm32-timer-cnt.c | 16 ++++++++--------
> >  include/linux/mfd/stm32-timers.h  |  4 ++++
> >  2 files changed, 12 insertions(+), 8 deletions(-)  
> 
> Hi William,
> 
> You can add my:
> Reviewed-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Applied.

Thanks,

J
> 
> Thanks,
> Fabrice
> 
> > 
> > diff --git a/drivers/counter/stm32-timer-cnt.c b/drivers/counter/stm32-timer-cnt.c
> > index 3fb0debd7425..1fbc46f4ee66 100644
> > --- a/drivers/counter/stm32-timer-cnt.c
> > +++ b/drivers/counter/stm32-timer-cnt.c
> > @@ -93,16 +93,16 @@ static int stm32_count_function_get(struct counter_device *counter,
> >  	regmap_read(priv->regmap, TIM_SMCR, &smcr);
> >  
> >  	switch (smcr & TIM_SMCR_SMS) {
> > -	case 0:
> > +	case TIM_SMCR_SMS_SLAVE_MODE_DISABLED:
> >  		*function = STM32_COUNT_SLAVE_MODE_DISABLED;
> >  		return 0;
> > -	case 1:
> > +	case TIM_SMCR_SMS_ENCODER_MODE_1:
> >  		*function = STM32_COUNT_ENCODER_MODE_1;
> >  		return 0;
> > -	case 2:
> > +	case TIM_SMCR_SMS_ENCODER_MODE_2:
> >  		*function = STM32_COUNT_ENCODER_MODE_2;
> >  		return 0;
> > -	case 3:
> > +	case TIM_SMCR_SMS_ENCODER_MODE_3:
> >  		*function = STM32_COUNT_ENCODER_MODE_3;
> >  		return 0;
> >  	default:
> > @@ -119,16 +119,16 @@ static int stm32_count_function_set(struct counter_device *counter,
> >  
> >  	switch (function) {
> >  	case STM32_COUNT_SLAVE_MODE_DISABLED:
> > -		sms = 0;
> > +		sms = TIM_SMCR_SMS_SLAVE_MODE_DISABLED;
> >  		break;
> >  	case STM32_COUNT_ENCODER_MODE_1:
> > -		sms = 1;
> > +		sms = TIM_SMCR_SMS_ENCODER_MODE_1;
> >  		break;
> >  	case STM32_COUNT_ENCODER_MODE_2:
> > -		sms = 2;
> > +		sms = TIM_SMCR_SMS_ENCODER_MODE_2;
> >  		break;
> >  	case STM32_COUNT_ENCODER_MODE_3:
> > -		sms = 3;
> > +		sms = TIM_SMCR_SMS_ENCODER_MODE_3;
> >  		break;
> >  	default:
> >  		return -EINVAL;
> > diff --git a/include/linux/mfd/stm32-timers.h b/include/linux/mfd/stm32-timers.h
> > index f8db83aedb2b..5f5c43fd69dd 100644
> > --- a/include/linux/mfd/stm32-timers.h
> > +++ b/include/linux/mfd/stm32-timers.h
> > @@ -82,6 +82,10 @@
> >  #define MAX_TIM_ICPSC		0x3
> >  #define TIM_CR2_MMS_SHIFT	4
> >  #define TIM_CR2_MMS2_SHIFT	20
> > +#define TIM_SMCR_SMS_SLAVE_MODE_DISABLED	0 /* counts on internal clock when CEN=1 */
> > +#define TIM_SMCR_SMS_ENCODER_MODE_1		1 /* counts TI1FP1 edges, depending on TI2FP2 level */
> > +#define TIM_SMCR_SMS_ENCODER_MODE_2		2 /* counts TI2FP2 edges, depending on TI1FP1 level */
> > +#define TIM_SMCR_SMS_ENCODER_MODE_3		3 /* counts on both TI1FP1 and TI2FP2 edges */
> >  #define TIM_SMCR_TS_SHIFT	4
> >  #define TIM_BDTR_BKF_MASK	0xF
> >  #define TIM_BDTR_BKF_SHIFT(x)	(16 + (x) * 4)
> >   


  reply	other threads:[~2021-09-08 17:28 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-27  3:47 [PATCH v16 00/14] Introduce the Counter character device interface William Breathitt Gray
2021-08-27  3:47 ` [PATCH v16 01/14] counter: stm32-lptimer-cnt: Provide defines for clock polarities William Breathitt Gray
2021-08-31 13:38   ` Fabrice Gasnier
2021-09-08 17:31     ` Jonathan Cameron
2021-08-27  3:47 ` [PATCH v16 02/14] counter: stm32-timer-cnt: Provide defines for slave mode selection William Breathitt Gray
2021-08-31 13:40   ` Fabrice Gasnier
2021-09-08 17:31     ` Jonathan Cameron [this message]
2021-08-27  3:47 ` [PATCH v16 03/14] counter: Internalize sysfs interface code William Breathitt Gray
2021-08-31 13:44   ` [Linux-stm32] " Fabrice Gasnier
2021-08-31 14:16     ` William Breathitt Gray
2021-08-31 14:55       ` William Breathitt Gray
2021-09-08 17:44     ` Jonathan Cameron
2021-08-27  3:47 ` [PATCH v16 04/14] counter: Update counter.h comments to reflect sysfs internalization William Breathitt Gray
2021-09-08 17:46   ` Jonathan Cameron
2021-08-27  3:47 ` [PATCH v16 05/14] docs: counter: Update " William Breathitt Gray
2021-09-08 17:48   ` Jonathan Cameron
2021-08-27  3:47 ` [PATCH v16 06/14] counter: Move counter enums to uapi header William Breathitt Gray
2021-08-27  3:47 ` [PATCH v16 07/14] counter: Add character device interface William Breathitt Gray
2021-09-12 16:18   ` Jonathan Cameron
2021-09-20 10:09     ` William Breathitt Gray
2021-09-26 15:15       ` Jonathan Cameron
2021-09-27 10:21         ` William Breathitt Gray
2021-09-27 11:20           ` Jonathan Cameron
2021-09-27 11:33             ` William Breathitt Gray
2021-08-27  3:47 ` [PATCH v16 08/14] docs: counter: Document " William Breathitt Gray
2021-09-12 16:18   ` Jonathan Cameron
2021-08-27  3:47 ` [PATCH v16 09/14] tools/counter: Create Counter tools William Breathitt Gray
2021-09-12 16:26   ` Jonathan Cameron
2021-08-27  3:47 ` [PATCH v16 10/14] counter: Implement signalZ_action_component_id sysfs attribute William Breathitt Gray
2021-08-27  3:47 ` [PATCH v16 11/14] counter: Implement *_component_id sysfs attributes William Breathitt Gray
2021-08-27  3:47 ` [PATCH v16 12/14] counter: Implement events_queue_size sysfs attribute William Breathitt Gray
2021-08-27  3:47 ` [PATCH v16 13/14] counter: 104-quad-8: Replace mutex with spinlock William Breathitt Gray
2021-08-27  3:47 ` [PATCH v16 14/14] counter: 104-quad-8: Add IRQ support for the ACCES 104-QUAD-8 William Breathitt Gray
2021-08-30 17:17 ` [PATCH v16 00/14] Introduce the Counter character device interface Jonathan Cameron
2021-09-12 16:36   ` Jonathan Cameron

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