On 21. 01. 20 11:21, Manish Narani wrote: > SD DLL resets are required for some of the operations on ZynqMP platform. > Add DLL reset support in ZynqMP firmware driver for SD DLL reset. > > Signed-off-by: Manish Narani <manish.narani@xxxxxxxxxx> > --- > drivers/firmware/xilinx/zynqmp.c | 1 + > include/linux/firmware/xlnx-zynqmp.h | 9 ++++++++- > 2 files changed, 9 insertions(+), 1 deletion(-) > > diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c > index 89eb198cee5e..165ec0f1e10a 100644 > --- a/drivers/firmware/xilinx/zynqmp.c > +++ b/drivers/firmware/xilinx/zynqmp.c > @@ -469,6 +469,7 @@ static int zynqmp_pm_clock_getparent(u32 clock_id, u32 *parent_id) > static inline int zynqmp_is_valid_ioctl(u32 ioctl_id) > { > switch (ioctl_id) { > + case IOCTL_SD_DLL_RESET: > case IOCTL_SET_SD_TAPDELAY: > case IOCTL_SET_PLL_FRAC_MODE: > case IOCTL_GET_PLL_FRAC_MODE: > diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h > index e41ad9e37136..01a6d972b8a8 100644 > --- a/include/linux/firmware/xlnx-zynqmp.h > +++ b/include/linux/firmware/xlnx-zynqmp.h > @@ -92,7 +92,8 @@ enum pm_ret_status { > }; > > enum pm_ioctl_id { > - IOCTL_SET_SD_TAPDELAY = 7, > + IOCTL_SD_DLL_RESET = 6, > + IOCTL_SET_SD_TAPDELAY, > IOCTL_SET_PLL_FRAC_MODE, > IOCTL_GET_PLL_FRAC_MODE, > IOCTL_SET_PLL_FRAC_DATA, > @@ -262,6 +263,12 @@ enum tap_delay_type { > PM_TAPDELAY_OUTPUT, > }; > > +enum dll_reset_type { > + PM_DLL_RESET_ASSERT, > + PM_DLL_RESET_RELEASE, > + PM_DLL_RESET_PULSE, > +}; > + > /** > * struct zynqmp_pm_query_data - PM query data > * @qid: query ID > Acked-by: Michal Simek <michal.simek@xxxxxxxxxx> Thanks, Michal