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Groups > linux.kernel > #1569296
| From | Lukasz Majewski <lukma@denx.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v5 03/11] pwm: imx: Add separate set of pwm ops for PWMv1 and PWMv2 |
| Date | 2017-01-29 23:00 +0100 |
| Message-ID | <t55FU-3Wy-31@gated-at.bofh.it> (permalink) |
| References | <t55FT-3Wy-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Lukasz Majewski <l.majewski@majess.pl>
This patch provides separate set of pwm ops utilized by
i.MX's PWMv1 and PWMv2.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
Signed-off-by: Lukasz Majewski <l.majewski@majess.pl>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
---
Changes for v5:
- None
Changes for v4:
- None
Changes for v3:
- Adjust the code to work with ipg clock removed
Changes for v2:
- New patch
---
drivers/pwm/pwm-imx.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c
index b1d1e50..0fa480d 100644
--- a/drivers/pwm/pwm-imx.c
+++ b/drivers/pwm/pwm-imx.c
@@ -239,7 +239,14 @@ static void imx_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
clk_disable_unprepare(imx->clk_per);
}
-static struct pwm_ops imx_pwm_ops = {
+static struct pwm_ops imx_pwm_ops_v1 = {
+ .enable = imx_pwm_enable,
+ .disable = imx_pwm_disable,
+ .config = imx_pwm_config,
+ .owner = THIS_MODULE,
+};
+
+static struct pwm_ops imx_pwm_ops_v2 = {
.enable = imx_pwm_enable,
.disable = imx_pwm_disable,
.config = imx_pwm_config,
@@ -250,16 +257,19 @@ struct imx_pwm_data {
int (*config)(struct pwm_chip *chip,
struct pwm_device *pwm, int duty_ns, int period_ns);
void (*set_enable)(struct pwm_chip *chip, bool enable);
+ struct pwm_ops *pwm_ops;
};
static struct imx_pwm_data imx_pwm_data_v1 = {
.config = imx_pwm_config_v1,
.set_enable = imx_pwm_set_enable_v1,
+ .pwm_ops = &imx_pwm_ops_v1,
};
static struct imx_pwm_data imx_pwm_data_v2 = {
.config = imx_pwm_config_v2,
.set_enable = imx_pwm_set_enable_v2,
+ .pwm_ops = &imx_pwm_ops_v2,
};
static const struct of_device_id imx_pwm_dt_ids[] = {
@@ -281,6 +291,8 @@ static int imx_pwm_probe(struct platform_device *pdev)
if (!of_id)
return -ENODEV;
+ data = of_id->data;
+
imx = devm_kzalloc(&pdev->dev, sizeof(*imx), GFP_KERNEL);
if (imx == NULL)
return -ENOMEM;
@@ -292,7 +304,7 @@ static int imx_pwm_probe(struct platform_device *pdev)
return PTR_ERR(imx->clk_per);
}
- imx->chip.ops = &imx_pwm_ops;
+ imx->chip.ops = data->pwm_ops;
imx->chip.dev = &pdev->dev;
imx->chip.base = -1;
imx->chip.npwm = 1;
@@ -303,7 +315,6 @@ static int imx_pwm_probe(struct platform_device *pdev)
if (IS_ERR(imx->mmio_base))
return PTR_ERR(imx->mmio_base);
- data = of_id->data;
imx->config = data->config;
imx->set_enable = data->set_enable;
--
2.1.4
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[PATCH v5 00/11] pwm: imx: Provide atomic operation for IMX PWM driver Lukasz Majewski <lukma@denx.de> - 2017-01-29 23:00 +0100
[PATCH v5 05/11] pwm: imx: Move PWMv2 software reset code to a separate function Lukasz Majewski <lukma@denx.de> - 2017-01-29 23:00 +0100
Re: [PATCH v5 05/11] pwm: imx: Move PWMv2 software reset code to a separate function Thierry Reding <thierry.reding@gmail.com> - 2017-01-30 08:30 +0100
[PATCH v5 02/11] pwm: imx: remove ipg clock and enable per clock when required Lukasz Majewski <lukma@denx.de> - 2017-01-29 23:00 +0100
[PATCH v5 11/11] pwm: imx: Add polarity inversion support to i.MX's PWMv2 Lukasz Majewski <lukma@denx.de> - 2017-01-29 23:00 +0100
[PATCH v5 10/11] pwm: imx: doc: Update imx-pwm.txt documentation entry Lukasz Majewski <lukma@denx.de> - 2017-01-29 23:00 +0100
[PATCH v5 03/11] pwm: imx: Add separate set of pwm ops for PWMv1 and PWMv2 Lukasz Majewski <lukma@denx.de> - 2017-01-29 23:00 +0100
Re: [PATCH v5 03/11] pwm: imx: Add separate set of pwm ops for PWMv1 and PWMv2 Thierry Reding <thierry.reding@gmail.com> - 2017-01-30 08:30 +0100
Re: [PATCH v5 03/11] pwm: imx: Add separate set of pwm ops for PWMv1 and PWMv2 Thierry Reding <thierry.reding@gmail.com> - 2017-01-30 08:50 +0100
Re: [PATCH v5 03/11] pwm: imx: Add separate set of pwm ops for PWMv1 and PWMv2 Lukasz Majewski <lukma@denx.de> - 2017-01-30 09:40 +0100
Re: [PATCH v5 03/11] pwm: imx: Add separate set of pwm ops for PWMv1 and PWMv2 Thierry Reding <thierry.reding@gmail.com> - 2017-01-30 10:00 +0100
Re: [PATCH v5 03/11] pwm: imx: Add separate set of pwm ops for PWMv1 and PWMv2 Lukasz Majewski <lukma@denx.de> - 2017-01-30 10:00 +0100
Re: [PATCH v5 03/11] pwm: imx: Add separate set of pwm ops for PWMv1 and PWMv2 Thierry Reding <thierry.reding@gmail.com> - 2017-01-30 10:10 +0100
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