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| author |   Ronak Jain <ronak.jain@xilinx.com> | 2022-09-14 18:03:15 +0530 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2022-09-20 08:33:04 -0700 |
| commit | 256dea9134c38fcc409ec7ea6a1eb67829b563bc (patch) | |
| tree | cf2ad6b7de7f3ae73dea3d63cc68206757a8f7cf /drivers/firmware | |
| parent | xen-netfront: make bounce_skb static (diff) | |
| download | linux-dev-256dea9134c38fcc409ec7ea6a1eb67829b563bc.tar.xz linux-dev-256dea9134c38fcc409ec7ea6a1eb67829b563bc.zip | |
firmware: xilinx: add support for sd/gem config
Add new APIs in firmware to configure SD/GEM registers. Internally
it calls PM IOCTL for below SD/GEM register configuration:
- SD/EMMC select
- SD slot type
- SD base clock
- SD 8 bit support
- SD fixed config
- GEM SGMII Mode
- GEM fixed config
Signed-off-by: Ronak Jain <ronak.jain@xilinx.com>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/xilinx/zynqmp.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index d1f652802181..ff5cabe70a2b 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -1312,6 +1312,37 @@ int zynqmp_pm_get_feature_config(enum pm_feature_config_id id, } /** + * zynqmp_pm_set_sd_config - PM call to set value of SD config registers + * @node: SD node ID + * @config: The config type of SD registers + * @value: Value to be set + * + * Return: Returns 0 on success or error value on failure. + */ +int zynqmp_pm_set_sd_config(u32 node, enum pm_sd_config_type config, u32 value) +{ + return zynqmp_pm_invoke_fn(PM_IOCTL, node, IOCTL_SET_SD_CONFIG, + config, value, NULL); +} +EXPORT_SYMBOL_GPL(zynqmp_pm_set_sd_config); + +/** + * zynqmp_pm_set_gem_config - PM call to set value of GEM config registers + * @node: GEM node ID + * @config: The config type of GEM registers + * @value: Value to be set + * + * Return: Returns 0 on success or error value on failure. + */ +int zynqmp_pm_set_gem_config(u32 node, enum pm_gem_config_type config, + u32 value) +{ + return zynqmp_pm_invoke_fn(PM_IOCTL, node, IOCTL_SET_GEM_CONFIG, + config, value, NULL); +} +EXPORT_SYMBOL_GPL(zynqmp_pm_set_gem_config); + +/** * struct zynqmp_pm_shutdown_scope - Struct for shutdown scope * @subtype: Shutdown subtype * @name: Matching string for scope argument |