Commit baccc60e authored by Tejas Patel's avatar Tejas Patel Committed by Jolly Shah
Browse files

xilinx: versal: Implement PLL related PM APIs



Implement below PLL related APIs:
- Set PLL parameter
- Get PLL parameter
- Set PLL mode
- Get PLL mode

Signed-off-by: default avatarTejas Patel <tejas.patel@xilinx.com>
Signed-off-by: default avatarJolly Shah <jolly.shah@xilinx.com>
Change-Id: I37749d05cdb73641d32da120d319cf36df97c73f
parent 2394b94b
......@@ -497,3 +497,78 @@ enum pm_ret_status pm_clock_get_parent(uint32_t clk_id, uint32_t *parent)
return pm_ipi_send_sync(primary_proc, payload, parent, 1);
}
/**
* pm_pll_set_param() - Set PLL parameter
* @clk_id PLL clock ID
* @param PLL parameter ID
* @value Value to set for PLL parameter
*
* @return Returns status, either success or error+reason
*/
enum pm_ret_status pm_pll_set_param(uint32_t clk_id, uint32_t param,
uint32_t value)
{
uint32_t payload[PAYLOAD_ARG_CNT];
/* Send request to the PMC */
PM_PACK_PAYLOAD4(payload, LIBPM_MODULE_ID, PM_PLL_SET_PARAMETER, clk_id,
param, value);
return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
}
/**
* pm_pll_get_param() - Get PLL parameter value
* @clk_id PLL clock ID
* @param PLL parameter ID
* @value: Buffer to store PLL parameter value
*
* @return Returns status, either success or error+reason
*/
enum pm_ret_status pm_pll_get_param(uint32_t clk_id, uint32_t param,
uint32_t *value)
{
uint32_t payload[PAYLOAD_ARG_CNT];
/* Send request to the PMC */
PM_PACK_PAYLOAD3(payload, LIBPM_MODULE_ID, PM_PLL_GET_PARAMETER, clk_id,
param);
return pm_ipi_send_sync(primary_proc, payload, value, 1);
}
/**
* pm_pll_set_mode() - Set PLL mode
* @clk_id PLL clock ID
* @mode PLL mode
*
* @return Returns status, either success or error+reason
*/
enum pm_ret_status pm_pll_set_mode(uint32_t clk_id, uint32_t mode)
{
uint32_t payload[PAYLOAD_ARG_CNT];
/* Send request to the PMC */
PM_PACK_PAYLOAD3(payload, LIBPM_MODULE_ID, PM_PLL_SET_MODE, clk_id,
mode);
return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
}
/**
* pm_pll_get_mode() - Get PLL mode
* @clk_id PLL clock ID
* @mode: Buffer to store PLL mode
*
* @return Returns status, either success or error+reason
*/
enum pm_ret_status pm_pll_get_mode(uint32_t clk_id, uint32_t *mode)
{
uint32_t payload[PAYLOAD_ARG_CNT];
/* Send request to the PMC */
PM_PACK_PAYLOAD2(payload, LIBPM_MODULE_ID, PM_PLL_GET_MODE, clk_id);
return pm_ipi_send_sync(primary_proc, payload, mode, 1);
}
......@@ -47,5 +47,11 @@ enum pm_ret_status pm_clock_set_divider(uint32_t clk_id, uint32_t divider);
enum pm_ret_status pm_clock_get_divider(uint32_t clk_id, uint32_t *divider);
enum pm_ret_status pm_clock_set_parent(uint32_t clk_id, uint32_t parent);
enum pm_ret_status pm_clock_get_parent(uint32_t clk_id, uint32_t *parent);
enum pm_ret_status pm_pll_set_param(uint32_t clk_id, uint32_t param,
uint32_t value);
enum pm_ret_status pm_pll_get_param(uint32_t clk_id, uint32_t param,
uint32_t *value);
enum pm_ret_status pm_pll_set_mode(uint32_t clk_id, uint32_t mode);
enum pm_ret_status pm_pll_get_mode(uint32_t clk_id, uint32_t *mode);
#endif /* PM_API_SYS_H */
......@@ -48,6 +48,10 @@
#define PM_CLOCK_GETRATE 42U
#define PM_CLOCK_SETPARENT 43U
#define PM_CLOCK_GETPARENT 44U
#define PM_PLL_SET_PARAMETER 48U
#define PM_PLL_GET_PARAMETER 49U
#define PM_PLL_SET_MODE 50U
#define PM_PLL_GET_MODE 51U
/*********************************************************************
* Enum definitions
......
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment