Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 00389229 authored by Lukasz Majewski's avatar Lukasz Majewski Committed by Thierry Reding
Browse files

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: default avatarLothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: default avatarBhuvanchandra DV <bhuvanchandra.dv@toradex.com>
Signed-off-by: default avatarLukasz Majewski <l.majewski@majess.pl>
Acked-by: default avatarShawn Guo <shawn.guo@linaro.org>
Reviewed-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: default avatarThierry Reding <thierry.reding@gmail.com>
parent 9fb27fac

drivers/pwm/pwm-imx.c

+14 −3
Original line number Diff line number Diff line
@@ -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;