GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-20 21:51:05 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

firmware: xilinx: Add APIs to control node status/power

Browse source 
Add Xilinx ZynqMP firmware APIs to control node status
and power. These APIs allows turning on/off power domain
and setting capabilities of devices present in power domain.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Rajan Vaja 2019-02-01 14:08:49 -08:00 • committed by Michal Simek
parent 8fd27fb4cf
commit c1986ac3d4
2 changed files with 84 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

26
include/linux/firmware/xlnx-zynqmp.h
View file

@ -40,8 +40,19 @@
/* Payload size (consists of callback API ID + arguments) */
#define CB_PAYLOAD_SIZE (CB_ARG_CNT + 1)
#define ZYNQMP_PM_MAX_QOS 100U
/* Node capabilities */
#define ZYNQMP_PM_CAPABILITY_ACCESS 0x1U
#define ZYNQMP_PM_CAPABILITY_CONTEXT 0x2U
#define ZYNQMP_PM_CAPABILITY_WAKEUP 0x4U
#define ZYNQMP_PM_CAPABILITY_POWER 0x8U
enum pm_api_id {
PM_GET_API_VERSION = 1,
PM_REQUEST_NODE = 13,
PM_RELEASE_NODE,
PM_SET_REQUIREMENT,
PM_RESET_ASSERT = 17,
PM_RESET_GET_STATUS,
PM_PM_INIT_FINALIZE = 21,
@ -224,6 +235,12 @@ enum zynqmp_pm_suspend_reason {
SUSPEND_SYSTEM_SHUTDOWN,
};
enum zynqmp_pm_request_ack {
ZYNQMP_PM_REQUEST_ACK_NO = 1,
ZYNQMP_PM_REQUEST_ACK_BLOCKING,
ZYNQMP_PM_REQUEST_ACK_NON_BLOCKING,
};
/**
* struct zynqmp_pm_query_data - PM query data
* @qid: query ID
@ -257,6 +274,15 @@ struct zynqmp_eemi_ops {
int (*reset_get_status)(const enum zynqmp_pm_reset reset, u32 *status);
int (*init_finalize)(void);
int (*set_suspend_mode)(u32 mode);
int (*request_node)(const u32 node,
const u32 capabilities,
const u32 qos,
const enum zynqmp_pm_request_ack ack);
int (*release_node)(const u32 node);
int (*set_requirement)(const u32 node,
const u32 capabilities,
const u32 qos,
const enum zynqmp_pm_request_ack ack);
};
int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 arg0, u32 arg1,