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Subject[PATCH 9/9] pwm i.MX: add devicetree support
Date
From: Philipp Zabel <p.zabel@pengutronix.de>

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
drivers/pwm/pwm-imx.c | 25 ++++++++++++++++++++++---
1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c
index 308ab51..dce2acb 100644
--- a/drivers/pwm/pwm-imx.c
+++ b/drivers/pwm/pwm-imx.c
@@ -206,9 +206,25 @@ static struct pwm_ops imx_pwm_ops = {
.owner = THIS_MODULE,
};

+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);
+};
+
+static struct imx_pwm_data imx_pwm_data_v1 = {
+ .config = imx_pwm_config_v1,
+ .set_enable = imx_pwm_set_enable_v1,
+};
+
+static struct imx_pwm_data imx_pwm_data_v2 = {
+ .config = imx_pwm_config_v2,
+ .set_enable = imx_pwm_set_enable_v2,
+};
+
static const struct of_device_id imx_pwm_dt_ids[] = {
- { .compatible = "fsl,imx1-pwm", .data = &imx_pwm_config_v1, },
- { .compatible = "fsl,imx27-pwm", .data = &imx_pwm_config_v2, },
+ { .compatible = "fsl,imx1-pwm", .data = &imx_pwm_data_v1, },
+ { .compatible = "fsl,imx27-pwm", .data = &imx_pwm_data_v2, },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, imx_pwm_of_match);
@@ -257,7 +273,9 @@ static int __devinit imx_pwm_probe(struct platform_device *pdev)
return -EADDRNOTAVAIL;

if (of_id) {
- imx->config = of_id->data;
+ struct imx_pwm_data *data = of_id->data;
+ imx->config = data->config;
+ imx->set_enable = data->set_enable;
} else {
if (cpu_is_mx1() || cpu_is_mx21()) {
imx->config = imx_pwm_config_v1;
@@ -290,6 +308,7 @@ static int __devexit imx_pwm_remove(struct platform_device *pdev)
static struct platform_driver imx_pwm_driver = {
.driver = {
.name = "mxc_pwm",
+ .of_match_table = of_match_ptr(imx_pwm_dt_ids),
},
.probe = imx_pwm_probe,
.remove = __devexit_p(imx_pwm_remove),
--
1.7.10.4


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