andrius
/
arm-trusted-firmware
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

xilinx: versal: Implement pin control related PM APIs 

Implement below pin control related APIs:
  - Request pin
  - Release pin
  - Set pin function
  - Get pin function
  - Set pin parameter value
  - Get pin parameter value

Signed-off-by: Tejas Patel <tejas.patel@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Change-Id: Ib805cc8c936b63206d44bf1f7bebd0f03f7b3c01
This commit is contained in:
Tejas Patel 2019-01-08 01:46:39 -08:00 committed by Jolly Shah
parent 9c3c5e0737
commit 0ed83c621c
3 changed files with 122 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

108
plat/xilinx/versal/pm_service/pm_api_sys.c
View File

@ -270,3 +270,111 @@ enum pm_ret_status pm_reset_get_status(uint32_t reset, uint32_t *status)
return pm_ipi_send_sync(primary_proc, payload, status, 1);
}
/**
* pm_pinctrl_request() - Request a pin
* @pin Pin ID
*
* @return Returns status, either success or error+reason
*/
enum pm_ret_status pm_pinctrl_request(uint32_t pin)
{
uint32_t payload[PAYLOAD_ARG_CNT];
/* Send request to the PMC */
PM_PACK_PAYLOAD2(payload, LIBPM_MODULE_ID, PM_PINCTRL_REQUEST, pin);
return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
}
/**
* pm_pinctrl_release() - Release a pin
* @pin Pin ID
*
* @return Returns status, either success or error+reason
*/
enum pm_ret_status pm_pinctrl_release(uint32_t pin)
{
uint32_t payload[PAYLOAD_ARG_CNT];
/* Send request to the PMC */
PM_PACK_PAYLOAD2(payload, LIBPM_MODULE_ID, PM_PINCTRL_RELEASE, pin);
return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
}
/**
* pm_pinctrl_set_function() - Set pin function
* @pin Pin ID
* @function Function ID
*
* @return Returns status, either success or error+reason
*/
enum pm_ret_status pm_pinctrl_set_function(uint32_t pin, uint32_t function)
{
uint32_t payload[PAYLOAD_ARG_CNT];
/* Send request to the PMC */
PM_PACK_PAYLOAD3(payload, LIBPM_MODULE_ID, PM_PINCTRL_SET_FUNCTION, pin,
function)
return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
}
/**
* pm_pinctrl_get_function() - Get function set on the pin
* @pin Pin ID
* @function Function set on the pin
*
* @return Returns status, either success or error+reason
*/
enum pm_ret_status pm_pinctrl_get_function(uint32_t pin, uint32_t *function)
{
uint32_t payload[PAYLOAD_ARG_CNT];
/* Send request to the PMC */
PM_PACK_PAYLOAD2(payload, LIBPM_MODULE_ID, PM_PINCTRL_SET_FUNCTION,
pin);
return pm_ipi_send_sync(primary_proc, payload, function, 1);
}
/**
* pm_pinctrl_set_pin_param() - Set configuration parameter for the pin
* @pin Pin ID
* @param Parameter ID
* @value Parameter value
*
* @return Returns status, either success or error+reason
*/
enum pm_ret_status pm_pinctrl_set_pin_param(uint32_t pin, 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_PINCTRL_CONFIG_PARAM_SET,
pin, param, value);
return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
}
/**
* pm_pinctrl_get_pin_param() - Get configuration parameter value for the pin
* @pin Pin ID
* @param Parameter ID
* @value Buffer to store parameter value
*
* @return Returns status, either success or error+reason
*/
enum pm_ret_status pm_pinctrl_get_pin_param(uint32_t pin, 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_PINCTRL_CONFIG_PARAM_GET,
pin, param);
return pm_ipi_send_sync(primary_proc, payload, value, 1);
}

8
plat/xilinx/versal/pm_service/pm_api_sys.h
View File

@ -32,5 +32,13 @@ enum pm_ret_status pm_set_requirement(uint32_t device_id, uint32_t capabilities,
enum pm_ret_status pm_get_device_status(uint32_t device_id, uint32_t *response);
enum pm_ret_status pm_reset_assert(uint32_t reset, bool assert);
enum pm_ret_status pm_reset_get_status(uint32_t reset, uint32_t *status);
enum pm_ret_status pm_pinctrl_request(uint32_t pin);
enum pm_ret_status pm_pinctrl_release(uint32_t pin);
enum pm_ret_status pm_pinctrl_set_function(uint32_t pin, uint32_t function);
enum pm_ret_status pm_pinctrl_get_function(uint32_t pin, uint32_t *function);
enum pm_ret_status pm_pinctrl_set_pin_param(uint32_t pin, uint32_t param,
uint32_t value);
enum pm_ret_status pm_pinctrl_get_pin_param(uint32_t pin, uint32_t param,
uint32_t *value);
#endif /* PM_API_SYS_H */

6
plat/xilinx/versal/pm_service/pm_defs.h
View File

@ -33,6 +33,12 @@
#define PM_SET_REQUIREMENT 15U
#define PM_RESET_ASSERT 17U
#define PM_RESET_GET_STATUS 18U
#define PM_PINCTRL_REQUEST 28U
#define PM_PINCTRL_RELEASE 29U
#define PM_PINCTRL_GET_FUNCTION 30U
#define PM_PINCTRL_SET_FUNCTION 31U
#define PM_PINCTRL_CONFIG_PARAM_GET 32U
#define PM_PINCTRL_CONFIG_PARAM_SET 33U
/*********************************************************************
* Enum definitions