On 15 May 2013 14:03, Fabio Baltieri <fabio.baltieri@xxxxxxxxxx> wrote:
> From: Mian Yousaf Kaukab <mian.yousaf.kaukab@xxxxxxxxxxxxxx>
>
> Add common clock support code for the ab8500-usb phy driver.
>
> Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> Acked-by: Maxime Coquelin <maxime.coquelin@xxxxxx>
> Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@xxxxxxxxxxxxxx>
> Signed-off-by: Fabio Baltieri <fabio.baltieri@xxxxxxxxxx>
> ---
> drivers/usb/phy/phy-ab8500-usb.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/drivers/usb/phy/phy-ab8500-usb.c b/drivers/usb/phy/phy-ab8500-usb.c
> index b043faa..cc0d7e5 100644
> --- a/drivers/usb/phy/phy-ab8500-usb.c
> +++ b/drivers/usb/phy/phy-ab8500-usb.c
> @@ -29,6 +29,8 @@
> #include <linux/notifier.h>
> #include <linux/interrupt.h>
> #include <linux/delay.h>
> +#include <linux/clk.h>
> +#include <linux/err.h>
> #include <linux/mfd/abx500.h>
> #include <linux/mfd/abx500/ab8500.h>
> #include <linux/usb/musb-ux500.h>
> @@ -126,6 +128,7 @@ struct ab8500_usb {
> unsigned vbus_draw;
> struct work_struct phy_dis_work;
> enum ab8500_usb_mode mode;
> + struct clk *sysclk;
> struct regulator *v_ape;
> struct regulator *v_musb;
> struct regulator *v_ulpi;
> @@ -252,6 +255,9 @@ static void ab8500_usb_phy_enable(struct ab8500_usb *ab, bool sel_host)
> if (IS_ERR(ab->pinctrl))
> dev_err(ab->dev, "could not get/set default pinstate\n");
>
> + if (clk_prepare_enable(ab->sysclk))
> + dev_err(ab->dev, "can't prepare/enable clock\n");
> +
> ab8500_usb_regulator_enable(ab);
>
> abx500_mask_and_set_register_interruptible(ab->dev,
> @@ -274,6 +280,8 @@ static void ab8500_usb_phy_disable(struct ab8500_usb *ab, bool sel_host)
> /* Needed to disable the phy.*/
> ab8500_usb_wd_workaround(ab);
>
> + clk_disable_unprepare(ab->sysclk);
> +
> ab8500_usb_regulator_disable(ab);
>
> if (!IS_ERR(ab->pinctrl)) {
> @@ -784,6 +792,12 @@ static int ab8500_usb_probe(struct platform_device *pdev)
> if (err)
> return err;
>
> + ab->sysclk = devm_clk_get(ab->dev, "sysclk");
> + if (IS_ERR(ab->sysclk)) {
> + dev_err(ab->dev, "Could not get sysclk.\n");
> + return PTR_ERR(ab->sysclk);
> + }
> +
> err = ab8500_usb_irq_setup(pdev, ab);
> if (err < 0)
> return err;
> --
> 1.8.2
>
> --
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Acked-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
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