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>
diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c
index bb64122..c405cb7 100644
--- a/drivers/pwm/pwm-imx.c
+++ b/drivers/pwm/pwm-imx.c
@@ -239,7 +239,14 @@
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 @@
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 @@
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 @@
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 @@
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;