Am Dienstag, dem 30.08.2022 um 15:46 +0800 schrieb Richard Zhu: > From: Lucas Stach <l.stach@xxxxxxxxxxxxxx> > > Dessert the PHY reset when powering up the domain and put it back > into reset when the domain is powered down. > > Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> According to patch submission guidelines you need to add your own sign- off when integrating this patch into your series. Please add in the next revision. Regards, Lucas > --- > drivers/soc/imx/imx8mp-blk-ctrl.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/drivers/soc/imx/imx8mp-blk-ctrl.c b/drivers/soc/imx/imx8mp-blk-ctrl.c > index 4ca2ede6871b..6c939d68ba9a 100644 > --- a/drivers/soc/imx/imx8mp-blk-ctrl.c > +++ b/drivers/soc/imx/imx8mp-blk-ctrl.c > @@ -18,6 +18,8 @@ > #define GPR_REG0 0x0 > #define PCIE_CLOCK_MODULE_EN BIT(0) > #define USB_CLOCK_MODULE_EN BIT(1) > +#define PCIE_PHY_APB_RST BIT(4) > +#define PCIE_PHY_INIT_RST BIT(5) > > struct imx8mp_blk_ctrl_domain; > > @@ -75,6 +77,10 @@ static void imx8mp_hsio_blk_ctrl_power_on(struct imx8mp_blk_ctrl *bc, > case IMX8MP_HSIOBLK_PD_PCIE: > regmap_set_bits(bc->regmap, GPR_REG0, PCIE_CLOCK_MODULE_EN); > break; > + case IMX8MP_HSIOBLK_PD_PCIE_PHY: > + regmap_set_bits(bc->regmap, GPR_REG0, > + PCIE_PHY_APB_RST | PCIE_PHY_INIT_RST); > + break; > default: > break; > } > @@ -90,6 +96,10 @@ static void imx8mp_hsio_blk_ctrl_power_off(struct imx8mp_blk_ctrl *bc, > case IMX8MP_HSIOBLK_PD_PCIE: > regmap_clear_bits(bc->regmap, GPR_REG0, PCIE_CLOCK_MODULE_EN); > break; > + case IMX8MP_HSIOBLK_PD_PCIE_PHY: > + regmap_clear_bits(bc->regmap, GPR_REG0, > + PCIE_PHY_APB_RST | PCIE_PHY_INIT_RST); > + break; > default: > break; > }
