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| author | Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com> | 2021-09-24 13:07:08 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-10-01 22:50:49 +0300 |
| commit | 74e78adc6ccf6c3b53939788cf0c49f54db70731 (patch) | |
| tree | 0e833b7d48e48f370f1b5250843353517ec60bd2 /drivers/firmware | |
| parent | 5c258a8a9cf987b254c4ebdb6481a4d76bcf490b (diff) | |
| download | linux-74e78adc6ccf6c3b53939788cf0c49f54db70731.tar.xz | |
firmware: xilinx: Add OSPI Mux selection support
Add OSPI Mux selection API support to select the AXI interface to OSPI.
Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>
Link: https://lore.kernel.org/r/1632478031-12242-2-git-send-email-lakshmi.sai.krishna.potthuri@xilinx.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/xilinx/zynqmp.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index a3cadbaf3cba..1436e03ff4f7 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -648,6 +648,23 @@ int zynqmp_pm_sd_dll_reset(u32 node_id, u32 type) EXPORT_SYMBOL_GPL(zynqmp_pm_sd_dll_reset); /** + * zynqmp_pm_ospi_mux_select() - OSPI Mux selection + * + * @dev_id: Device Id of the OSPI device. + * @select: OSPI Mux select value. + * + * This function select the OSPI Mux. + * + * Return: Returns status, either success or error+reason + */ +int zynqmp_pm_ospi_mux_select(u32 dev_id, u32 select) +{ + return zynqmp_pm_invoke_fn(PM_IOCTL, dev_id, IOCTL_OSPI_MUX_SELECT, + select, 0, NULL); +} +EXPORT_SYMBOL_GPL(zynqmp_pm_ospi_mux_select); + +/** * zynqmp_pm_write_ggs() - PM API for writing global general storage (ggs) * @index: GGS register index * @value: Register value to be written |