zynqmp: pm: Add wrappers for Pin control APIs
Add wrappers for pin control APIs. Actual implementation of
these APIs would be done in subsequent changes.
Signed-off-by: Rajan Vaja <rajanv@xilinx.com>
Signed-off-by: Jolly Shah <jollys@xilinx.com>
diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_sys.c b/plat/xilinx/zynqmp/pm_service/pm_api_sys.c
index 9e21067..5bc3442 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_sys.c
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_sys.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -545,3 +545,93 @@
pm_ipi_buff_read_callb(data, count);
pm_ipi_irq_clear(primary_proc);
}
+
+/**
+ * pm_pinctrl_request() - Request Pin from firmware
+ * @pin Pin number to request
+ *
+ * This function requests pin from firmware.
+ *
+ * @return Returns status, either success or error+reason.
+ */
+enum pm_ret_status pm_pinctrl_request(unsigned int pin)
+{
+ return PM_RET_SUCCESS;
+}
+
+/**
+ * pm_pinctrl_release() - Release Pin from firmware
+ * @pin Pin number to release
+ *
+ * This function releases pin from firmware.
+ *
+ * @return Returns status, either success or error+reason.
+ */
+enum pm_ret_status pm_pinctrl_release(unsigned int pin)
+{
+ return PM_RET_SUCCESS;
+}
+
+/**
+ * pm_pinctrl_get_function() - Read function id set for the given pin
+ * @pin Pin number
+ * @nid Node ID of function currently set for given pin
+ *
+ * This function provides the function currently set for the given pin.
+ *
+ * @return Returns status, either success or error+reason
+ */
+enum pm_ret_status pm_pinctrl_get_function(unsigned int pin,
+ enum pm_node_id *nid)
+{
+ return PM_RET_SUCCESS;
+}
+
+/**
+ * pm_pinctrl_set_function() - Set function id set for the given pin
+ * @pin Pin number
+ * @nid Node ID of function to set for given pin
+ *
+ * This function provides the function currently set for the given pin.
+ *
+ * @return Returns status, either success or error+reason
+ */
+enum pm_ret_status pm_pinctrl_set_function(unsigned int pin,
+ enum pm_node_id nid)
+{
+ return PM_RET_SUCCESS;
+}
+
+/**
+ * pm_pinctrl_get_config() - Read value of requested config param for given pin
+ * @pin Pin number
+ * @param Parameter values to be read
+ * @value Buffer for configuration Parameter value
+ *
+ * This function provides the configuration parameter value for the given pin.
+ *
+ * @return Returns status, either success or error+reason
+ */
+enum pm_ret_status pm_pinctrl_get_config(unsigned int pin,
+ unsigned int param,
+ unsigned int *value)
+{
+ return PM_RET_SUCCESS;
+}
+
+/**
+ * pm_pinctrl_set_config() - Read value of requested config param for given pin
+ * @pin Pin number
+ * @param Parameter to set
+ * @value Parameter value to set
+ *
+ * This function provides the configuration parameter value for the given pin.
+ *
+ * @return Returns status, either success or error+reason
+ */
+enum pm_ret_status pm_pinctrl_set_config(unsigned int pin,
+ unsigned int param,
+ unsigned int value)
+{
+ return PM_RET_SUCCESS;
+}
diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_sys.h b/plat/xilinx/zynqmp/pm_service/pm_api_sys.h
index af7b252..f240d49 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_sys.h
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_sys.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -93,5 +93,17 @@
enum pm_ret_status pm_get_chipid(uint32_t *value);
void pm_get_callbackdata(uint32_t *data, size_t count);
+enum pm_ret_status pm_pinctrl_request(unsigned int pin);
+enum pm_ret_status pm_pinctrl_release(unsigned int pin);
+enum pm_ret_status pm_pinctrl_get_function(unsigned int pin,
+ unsigned int *value);
+enum pm_ret_status pm_pinctrl_set_function(unsigned int pin,
+ unsigned int value);
+enum pm_ret_status pm_pinctrl_get_config(unsigned int pin,
+ unsigned int param,
+ unsigned int *value);
+enum pm_ret_status pm_pinctrl_set_config(unsigned int pin,
+ unsigned int param,
+ unsigned int value);
#endif /* _PM_API_SYS_H_ */
diff --git a/plat/xilinx/zynqmp/pm_service/pm_defs.h b/plat/xilinx/zynqmp/pm_service/pm_defs.h
index 8f455d4..7b26c15 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_defs.h
+++ b/plat/xilinx/zynqmp/pm_service/pm_defs.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -69,6 +69,12 @@
PM_SECURE_RSA_AES,
PM_SECURE_SHA,
PM_SECURE_RSA,
+ PM_PINCTRL_REQUEST,
+ PM_PINCTRL_RELEASE,
+ PM_PINCTRL_GET_FUNCTION,
+ PM_PINCTRL_SET_FUNCTION,
+ PM_PINCTRL_CONFIG_PARAM_GET,
+ PM_PINCTRL_CONFIG_PARAM_SET,
PM_API_MAX
};
diff --git a/plat/xilinx/zynqmp/pm_service/pm_svc_main.c b/plat/xilinx/zynqmp/pm_service/pm_svc_main.c
index fb64bc5..22b6bc3 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_svc_main.c
+++ b/plat/xilinx/zynqmp/pm_service/pm_svc_main.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -248,6 +248,38 @@
(uint64_t)result[2] | ((uint64_t)result[3] << 32));
}
+ case PM_PINCTRL_REQUEST:
+ ret = pm_pinctrl_request(pm_arg[0]);
+ SMC_RET1(handle, (uint64_t)ret);
+
+ case PM_PINCTRL_RELEASE:
+ ret = pm_pinctrl_release(pm_arg[0]);
+ SMC_RET1(handle, (uint64_t)ret);
+
+ case PM_PINCTRL_GET_FUNCTION:
+ {
+ uint32_t value;
+
+ ret = pm_pinctrl_get_function(pm_arg[0], &value);
+ SMC_RET1(handle, (uint64_t)ret | ((uint64_t)value) << 32);
+ }
+
+ case PM_PINCTRL_SET_FUNCTION:
+ ret = pm_pinctrl_set_function(pm_arg[0], pm_arg[1]);
+ SMC_RET1(handle, (uint64_t)ret);
+
+ case PM_PINCTRL_CONFIG_PARAM_GET:
+ {
+ uint32_t value;
+
+ ret = pm_pinctrl_get_config(pm_arg[0], pm_arg[1], &value);
+ SMC_RET1(handle, (uint64_t)ret | ((uint64_t)value) << 32);
+ }
+
+ case PM_PINCTRL_CONFIG_PARAM_SET:
+ ret = pm_pinctrl_set_config(pm_arg[0], pm_arg[1], pm_arg[2]);
+ SMC_RET1(handle, (uint64_t)ret);
+
default:
WARN("Unimplemented PM Service Call: 0x%x\n", smc_fid);
SMC_RET1(handle, SMC_UNK);