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: Tejas Patel <tejas.patel@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Change-Id: I37749d05cdb73641d32da120d319cf36df97c73f
diff --git a/plat/xilinx/versal/pm_service/pm_api_sys.c b/plat/xilinx/versal/pm_service/pm_api_sys.c
index 8ac9a1d..1b32e4b 100644
--- a/plat/xilinx/versal/pm_service/pm_api_sys.c
+++ b/plat/xilinx/versal/pm_service/pm_api_sys.c
@@ -497,3 +497,78 @@
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);
+}