From: Claudiu Beznea <claudiu.beznea@microchip.com>
To: thierry.reding@gmail.com, robh+dt@kernel.org,
mark.rutland@arm.com, linux@armlinux.org.uk, daniel@zonque.org,
haojian.zhuang@gmail.com, robert.jarzmik@free.fr, corbet@lwn.net,
nicolas.ferre@microchip.com,
alexandre.belloni@free-electrons.com
Cc: linux-pwm@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org,
linux-rockchip@lists.infradead.org,
linux-rpi-kernel@lists.infradead.org, devicetree@vger.kernel.org,
Claudiu Beznea <claudiu.beznea@microchip.com>
Subject: [PATCH v2 12/16] pwm: atmel: add pwm capabilities
Date: Fri, 12 Jan 2018 16:22:59 +0200 [thread overview]
Message-ID: <1515766983-15151-13-git-send-email-claudiu.beznea@microchip.com> (raw)
In-Reply-To: <1515766983-15151-1-git-send-email-claudiu.beznea@microchip.com>
Add pwm capabilities to Atmel PWM controllers.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
drivers/pwm/pwm-atmel.c | 58 +++++++++++++++++++++++++++++++------------------
1 file changed, 37 insertions(+), 21 deletions(-)
diff --git a/drivers/pwm/pwm-atmel.c b/drivers/pwm/pwm-atmel.c
index 32427d2b7877..e879d5459b55 100644
--- a/drivers/pwm/pwm-atmel.c
+++ b/drivers/pwm/pwm-atmel.c
@@ -65,6 +65,11 @@ struct atmel_pwm_registers {
u8 duty_upd;
};
+struct atmel_pwm_data {
+ struct atmel_pwm_registers regs;
+ struct pwm_caps caps;
+};
+
struct atmel_pwm_chip {
struct pwm_chip chip;
struct clk *clk;
@@ -277,27 +282,37 @@ static const struct pwm_ops atmel_pwm_ops = {
.owner = THIS_MODULE,
};
-static const struct atmel_pwm_registers atmel_pwm_regs_v1 = {
- .period = PWMV1_CPRD,
- .period_upd = PWMV1_CUPD,
- .duty = PWMV1_CDTY,
- .duty_upd = PWMV1_CUPD,
+static const struct atmel_pwm_data atmel_pwm_data_v1 = {
+ .regs = {
+ .period = PWMV1_CPRD,
+ .period_upd = PWMV1_CUPD,
+ .duty = PWMV1_CDTY,
+ .duty_upd = PWMV1_CUPD,
+ },
+ .caps = {
+ .modes = PWM_MODE_NORMAL,
+ },
};
-static const struct atmel_pwm_registers atmel_pwm_regs_v2 = {
- .period = PWMV2_CPRD,
- .period_upd = PWMV2_CPRDUPD,
- .duty = PWMV2_CDTY,
- .duty_upd = PWMV2_CDTYUPD,
+static const struct atmel_pwm_data atmel_pwm_data_v2 = {
+ .regs = {
+ .period = PWMV2_CPRD,
+ .period_upd = PWMV2_CPRDUPD,
+ .duty = PWMV2_CDTY,
+ .duty_upd = PWMV2_CDTYUPD,
+ },
+ .caps = {
+ .modes = PWM_MODE_NORMAL | PWM_MODE_COMPLEMENTARY,
+ },
};
static const struct platform_device_id atmel_pwm_devtypes[] = {
{
.name = "at91sam9rl-pwm",
- .driver_data = (kernel_ulong_t)&atmel_pwm_regs_v1,
+ .driver_data = (kernel_ulong_t)&atmel_pwm_data_v1,
}, {
.name = "sama5d3-pwm",
- .driver_data = (kernel_ulong_t)&atmel_pwm_regs_v2,
+ .driver_data = (kernel_ulong_t)&atmel_pwm_data_v2,
}, {
/* sentinel */
},
@@ -307,20 +322,20 @@ MODULE_DEVICE_TABLE(platform, atmel_pwm_devtypes);
static const struct of_device_id atmel_pwm_dt_ids[] = {
{
.compatible = "atmel,at91sam9rl-pwm",
- .data = &atmel_pwm_regs_v1,
+ .data = &atmel_pwm_data_v1,
}, {
.compatible = "atmel,sama5d3-pwm",
- .data = &atmel_pwm_regs_v2,
+ .data = &atmel_pwm_data_v2,
}, {
.compatible = "atmel,sama5d2-pwm",
- .data = &atmel_pwm_regs_v2,
+ .data = &atmel_pwm_data_v2,
}, {
/* sentinel */
},
};
MODULE_DEVICE_TABLE(of, atmel_pwm_dt_ids);
-static inline const struct atmel_pwm_registers *
+static inline const struct atmel_pwm_data *
atmel_pwm_get_driver_data(struct platform_device *pdev)
{
const struct platform_device_id *id;
@@ -330,18 +345,18 @@ atmel_pwm_get_driver_data(struct platform_device *pdev)
id = platform_get_device_id(pdev);
- return (struct atmel_pwm_registers *)id->driver_data;
+ return (struct atmel_pwm_data *)id->driver_data;
}
static int atmel_pwm_probe(struct platform_device *pdev)
{
- const struct atmel_pwm_registers *regs;
+ const struct atmel_pwm_data *data;
struct atmel_pwm_chip *atmel_pwm;
struct resource *res;
int ret;
- regs = atmel_pwm_get_driver_data(pdev);
- if (!regs)
+ data = atmel_pwm_get_driver_data(pdev);
+ if (!data)
return -ENODEV;
atmel_pwm = devm_kzalloc(&pdev->dev, sizeof(*atmel_pwm), GFP_KERNEL);
@@ -365,9 +380,10 @@ static int atmel_pwm_probe(struct platform_device *pdev)
atmel_pwm->chip.dev = &pdev->dev;
atmel_pwm->chip.ops = &atmel_pwm_ops;
+ atmel_pwm->chip.caps = &data->caps;
atmel_pwm->chip.base = -1;
atmel_pwm->chip.npwm = 4;
- atmel_pwm->regs = regs;
+ atmel_pwm->regs = &data->regs;
atmel_pwm->updated_pwms = 0;
mutex_init(&atmel_pwm->isr_lock);
--
2.7.4
next prev parent reply other threads:[~2018-01-12 14:22 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-12 14:22 [PATCH v2 00/16] extend PWM framework to support PWM modes Claudiu Beznea
2018-01-12 14:22 ` [PATCH v2 01/16] drivers: pwm: core: use a single of xlate function Claudiu Beznea
[not found] ` <1515766983-15151-2-git-send-email-claudiu.beznea-UWL1GkI3JZL3oGB3hsPCZA@public.gmane.org>
2018-01-12 18:35 ` Brian Norris
[not found] ` <20180112183512.GB102880-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2018-01-15 8:41 ` Claudiu Beznea
2018-01-15 12:43 ` Claudiu Beznea
2018-01-15 20:27 ` Andy Shevchenko
[not found] ` <CAHp75VcaFDEQ1cBzeU2eBj_vf19ok6EWLC07SOTQLRH8BQSbzA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-01-16 8:24 ` Claudiu Beznea
2018-01-17 23:14 ` Brian Norris
2018-01-18 9:11 ` Claudiu Beznea
2018-01-16 9:07 ` Neil Armstrong
2018-01-16 9:33 ` Claudiu Beznea
2018-01-12 14:22 ` [PATCH v2 02/16] pwm: pxa: update documentation regarding pwm-cells Claudiu Beznea
2018-01-19 22:30 ` Rob Herring
2018-01-22 8:47 ` Claudiu Beznea
2018-01-12 14:22 ` [PATCH v2 04/16] pwm: clps711x: " Claudiu Beznea
2018-01-12 14:22 ` [PATCH v2 05/16] ARM: dts: clps711x: update pwm-cells Claudiu Beznea
2018-01-12 14:22 ` [PATCH v2 07/16] arm64: dts: rockchip: " Claudiu Beznea
2018-01-12 14:22 ` [PATCH v2 08/16] drivers: pwm: core: extend PWM framework with PWM modes Claudiu Beznea
2018-01-12 14:22 ` [PATCH v2 10/16] pwm: Add " Claudiu Beznea
2018-01-19 22:34 ` Rob Herring
2018-01-22 8:54 ` Claudiu Beznea
[not found] ` <c5aeb8df-6aa8-cde4-9305-08777cac2f45-UWL1GkI3JZL3oGB3hsPCZA@public.gmane.org>
2018-01-22 18:12 ` Rob Herring
[not found] ` <CAL_JsqJho2OrdnHwRPpYsbNB4RFTq5qSLA=36D2zy=Mi7B8XwQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-01-23 10:40 ` Claudiu Beznea
2018-01-23 15:21 ` Rob Herring
2018-01-23 16:55 ` Claudiu Beznea
[not found] ` <1515766983-15151-1-git-send-email-claudiu.beznea-UWL1GkI3JZL3oGB3hsPCZA@public.gmane.org>
2018-01-12 14:22 ` [PATCH v2 03/16] pwm: cros-ec: update documentation regarding pwm-cells Claudiu Beznea
2018-01-12 18:31 ` Brian Norris
2018-01-15 9:01 ` Claudiu Beznea
2018-01-17 8:29 ` Claudiu Beznea
[not found] ` <c2078487-8cc6-429e-6c38-092d776c33aa-UWL1GkI3JZL3oGB3hsPCZA@public.gmane.org>
2018-01-17 23:10 ` Brian Norris
2018-01-18 9:18 ` Claudiu Beznea
2018-01-12 14:22 ` [PATCH v2 06/16] ARM: dts: pxa: update pwm-cells Claudiu Beznea
2018-01-12 14:22 ` [PATCH v2 09/16] drivers: pwm: core: add PWM mode to pwm_config() Claudiu Beznea
2018-01-12 14:22 ` [PATCH v2 11/16] pwm: add documentation for PWM modes Claudiu Beznea
2018-01-19 22:39 ` Rob Herring
2018-01-22 8:55 ` Claudiu Beznea
2018-01-12 14:23 ` [PATCH v2 13/16] drivers: pwm: core: add push-pull mode support Claudiu Beznea
2018-01-12 14:22 ` Claudiu Beznea [this message]
2018-01-12 14:23 ` [PATCH v2 14/16] pwm: add push-pull mode Claudiu Beznea
2018-01-12 14:23 ` [PATCH v2 15/16] pwm: add documentation for pwm " Claudiu Beznea
[not found] ` <1515766983-15151-16-git-send-email-claudiu.beznea-UWL1GkI3JZL3oGB3hsPCZA@public.gmane.org>
2018-01-19 22:41 ` Rob Herring
2018-01-12 14:23 ` [PATCH v2 16/16] pwm: atmel: add push-pull mode support Claudiu Beznea
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1515766983-15151-13-git-send-email-claudiu.beznea@microchip.com \
--to=claudiu.beznea@microchip.com \
--cc=alexandre.belloni@free-electrons.com \
--cc=corbet@lwn.net \
--cc=daniel@zonque.org \
--cc=devicetree@vger.kernel.org \
--cc=haojian.zhuang@gmail.com \
--cc=linux-amlogic@lists.infradead.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pwm@vger.kernel.org \
--cc=linux-rockchip@lists.infradead.org \
--cc=linux-rpi-kernel@lists.infradead.org \
--cc=linux@armlinux.org.uk \
--cc=mark.rutland@arm.com \
--cc=nicolas.ferre@microchip.com \
--cc=robert.jarzmik@free.fr \
--cc=robh+dt@kernel.org \
--cc=thierry.reding@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).