On 05-08-25, 17:22, Pritam Manohar Sutar wrote:
> Enable UTMI+ phy support for this SoC which is very similar to what
> the existing Exynos850 supports.
>
> Add required change in phy driver to support HS phy for this SoC.
>
> Signed-off-by: Pritam Manohar Sutar <pritam.sutar@xxxxxxxxxxx>
> ---
> drivers/phy/samsung/phy-exynos5-usbdrd.c | 123 ++++++++++++++++++++
> include/linux/soc/samsung/exynos-regs-pmu.h | 2 +
> 2 files changed, 125 insertions(+)
>
> diff --git a/drivers/phy/samsung/phy-exynos5-usbdrd.c b/drivers/phy/samsung/phy-exynos5-usbdrd.c
> index dd660ebe8045..5400dd23e500 100644
> --- a/drivers/phy/samsung/phy-exynos5-usbdrd.c
> +++ b/drivers/phy/samsung/phy-exynos5-usbdrd.c
> @@ -2054,6 +2054,126 @@ static const struct exynos5_usbdrd_phy_drvdata exynos990_usbdrd_phy = {
> .n_regulators = ARRAY_SIZE(exynos5_regulator_names),
> };
>
> +static int exynosautov920_usbdrd_phy_init(struct phy *phy)
> +{
> + struct phy_usb_instance *inst = phy_get_drvdata(phy);
> + struct exynos5_usbdrd_phy *phy_drd = to_usbdrd_phy(inst);
> + int ret;
> +
> + ret = clk_bulk_prepare_enable(phy_drd->drv_data->n_clks, phy_drd->clks);
> + if (ret)
> + return ret;
> +
> + /* Bypass PHY isol */
> + inst->phy_cfg->phy_isol(inst, false);
> +
> + /* UTMI or PIPE3 specific init */
> + inst->phy_cfg->phy_init(phy_drd);
> +
> + clk_bulk_disable_unprepare(phy_drd->drv_data->n_clks, phy_drd->clks);
> +
> + return 0;
> +}
> +
> +static int exynosautov920_usbdrd_phy_exit(struct phy *phy)
> +{
> + struct phy_usb_instance *inst = phy_get_drvdata(phy);
> + struct exynos5_usbdrd_phy *phy_drd = to_usbdrd_phy(inst);
> + int ret = 0;
Superfluous init..
> +
> + ret = clk_bulk_prepare_enable(phy_drd->drv_data->n_clks, phy_drd->clks);
> + if (ret)
> + return ret;
> +
> + exynos850_usbdrd_phy_exit(phy);
> +
> + /* enable PHY isol */
> + inst->phy_cfg->phy_isol(inst, true);
> +
> + clk_bulk_disable_unprepare(phy_drd->drv_data->n_clks, phy_drd->clks);
> +
> + return 0;
> +}
> +
> +static int exynosautov920_usbdrd_phy_power_on(struct phy *phy)
> +{
> + int ret;
> + struct phy_usb_instance *inst = phy_get_drvdata(phy);
> + struct exynos5_usbdrd_phy *phy_drd = to_usbdrd_phy(inst);
Reverse chrsitmas tree pls
--
~Vinod
