| Message ID | 1579602095-30060-3-git-send-email-manish.narani@xilinx.com (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | 0dc64c2b9496ae720809554070ff1ef5b38cbb91 |
| Headers | show |
| Series | Enhancements and Bug Fixes in ZynqMP SDHCI | expand |
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@xilinx.com> > --- > 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@xilinx.com> Thanks, Michal
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
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@xilinx.com> --- drivers/firmware/xilinx/zynqmp.c | 1 + include/linux/firmware/xlnx-zynqmp.h | 9 ++++++++- 2 files changed, 9 insertions(+), 1 deletion(-)