diff options
Diffstat (limited to 'drivers/pwm/pwm-imx.c')
| -rw-r--r-- | drivers/pwm/pwm-imx.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c index c405cb777808..5c712104066a 100644 --- a/drivers/pwm/pwm-imx.c +++ b/drivers/pwm/pwm-imx.c @@ -90,19 +90,33 @@ static int imx_pwm_config_v1(struct pwm_chip *chip, return 0; } -static void imx_pwm_set_enable_v1(struct pwm_chip *chip, bool enable) +static int imx_pwm_enable_v1(struct pwm_chip *chip, struct pwm_device *pwm) { struct imx_chip *imx = to_imx_chip(chip); u32 val; + int ret; + + ret = clk_prepare_enable(imx->clk_per); + if (ret < 0) + return ret; val = readl(imx->mmio_base + MX1_PWMC); + val |= MX1_PWMC_EN; + writel(val, imx->mmio_base + MX1_PWMC); - if (enable) - val |= MX1_PWMC_EN; - else - val &= ~MX1_PWMC_EN; + return 0; +} + +static void imx_pwm_disable_v1(struct pwm_chip *chip, struct pwm_device *pwm) +{ + struct imx_chip *imx = to_imx_chip(chip); + u32 val; + val = readl(imx->mmio_base + MX1_PWMC); + val &= ~MX1_PWMC_EN; writel(val, imx->mmio_base + MX1_PWMC); + + clk_disable_unprepare(imx->clk_per); } static int imx_pwm_config_v2(struct pwm_chip *chip, @@ -240,9 +254,9 @@ static void imx_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) } static const struct pwm_ops imx_pwm_ops_v1 = { - .enable = imx_pwm_enable, - .disable = imx_pwm_disable, - .config = imx_pwm_config, + .enable = imx_pwm_enable_v1, + .disable = imx_pwm_disable_v1, + .config = imx_pwm_config_v1, .owner = THIS_MODULE, }; @@ -261,8 +275,6 @@ struct imx_pwm_data { }; 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, }; |