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firmware: xilinx: Add clock APIs

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Add clock APIs to control clocks through firmware
interface.

Signed-off-by: Rajan Vaja <rajanv@xilinx.com>
Signed-off-by: Jolly Shah <jollys@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Rajan Vaja
2018-09-12 12:38:38 -07:00
committed by Michal Simek
parent 59ecdd7788
commit f9627312e2
2 changed files with 214 additions and 2 deletions
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30
include/linux/firmware/xlnx-zynqmp.h
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@@ -35,6 +35,15 @@
enum pm_api_id {
PM_GET_API_VERSION = 1,
PM_QUERY_DATA = 35,
PM_CLOCK_ENABLE,
PM_CLOCK_DISABLE,
PM_CLOCK_GETSTATE,
PM_CLOCK_SETDIVIDER,
PM_CLOCK_GETDIVIDER,
PM_CLOCK_SETRATE,
PM_CLOCK_GETRATE,
PM_CLOCK_SETPARENT,
PM_CLOCK_GETPARENT,
};
/* PMU-FW return status codes */
@@ -48,8 +57,20 @@ enum pm_ret_status {
XST_PM_ABORT_SUSPEND,
};
enum pm_ioctl_id {
IOCTL_SET_PLL_FRAC_MODE = 8,
IOCTL_GET_PLL_FRAC_MODE,
IOCTL_SET_PLL_FRAC_DATA,
IOCTL_GET_PLL_FRAC_DATA,
};
enum pm_query_id {
PM_QID_INVALID,
PM_QID_CLOCK_GET_NAME,
PM_QID_CLOCK_GET_TOPOLOGY,
PM_QID_CLOCK_GET_FIXEDFACTOR_PARAMS,
PM_QID_CLOCK_GET_PARENTS,
PM_QID_CLOCK_GET_ATTRIBUTES,
};
/**
@@ -69,6 +90,15 @@ struct zynqmp_pm_query_data {
struct zynqmp_eemi_ops {
int (*get_api_version)(u32 *version);
int (*query_data)(struct zynqmp_pm_query_data qdata, u32 *out);
int (*clock_enable)(u32 clock_id);
int (*clock_disable)(u32 clock_id);
int (*clock_getstate)(u32 clock_id, u32 *state);
int (*clock_setdivider)(u32 clock_id, u32 divider);
int (*clock_getdivider)(u32 clock_id, u32 *divider);
int (*clock_setrate)(u32 clock_id, u64 rate);
int (*clock_getrate)(u32 clock_id, u64 *rate);
int (*clock_setparent)(u32 clock_id, u32 parent_id);
int (*clock_getparent)(u32 clock_id, u32 *parent_id);
};
#if IS_REACHABLE(CONFIG_ARCH_ZYNQMP)