diff options
| author | Lukasz Majewski <l.majewski@majess.pl> | 2017-01-29 22:54:07 +0100 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2017-01-30 09:12:39 +0100 |
| commit | 0038922954236a6af424e2604ece88404dfbc41c (patch) | |
| tree | 5bf1151ff4182748bad0cb8beda795c3904b94c6 /drivers/pwm | |
| parent | pwm: imx: Remove ipg clock and enable per clock when required (diff) | |
| download | linux-0038922954236a6af424e2604ece88404dfbc41c.tar.xz linux-0038922954236a6af424e2604ece88404dfbc41c.zip | |
pwm: imx: Add separate set of PWM ops for v1 and v2
This patch provides separate set of PWM operations utilized by i.MX's
v1 and v2 of the PWM hardware.
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>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-imx.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c index bb64122a74be..c405cb777808 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 const struct pwm_ops imx_pwm_ops = { +static const struct pwm_ops imx_pwm_ops_v1 = { + .enable = imx_pwm_enable, + .disable = imx_pwm_disable, + .config = imx_pwm_config, + .owner = THIS_MODULE, +}; + +static const 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); + const struct pwm_ops *ops; }; static struct imx_pwm_data imx_pwm_data_v1 = { .config = imx_pwm_config_v1, .set_enable = imx_pwm_set_enable_v1, + .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, + .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->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; |