summaryrefslogtreecommitdiffstats
path: root/drivers/firmware/ti_sci.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/firmware/ti_sci.h')
-rw-r--r--drivers/firmware/ti_sci.h63
1 files changed, 52 insertions, 11 deletions
diff --git a/drivers/firmware/ti_sci.h b/drivers/firmware/ti_sci.h
index 4983827151bf..ad0b47981b87 100644
--- a/drivers/firmware/ti_sci.h
+++ b/drivers/firmware/ti_sci.h
@@ -202,7 +202,8 @@ struct ti_sci_msg_req_set_device_resets {
* @dev_id: Device identifier this request is for
* @clk_id: Clock identifier for the device for this request.
* Each device has it's own set of clock inputs. This indexes
- * which clock input to modify.
+ * which clock input to modify. Set to 255 if clock ID is
+ * greater than or equal to 255.
* @request_state: Request the state for the clock to be set to.
* MSG_CLOCK_SW_STATE_UNREQ: The IP does not require this clock,
* it can be disabled, regardless of the state of the device
@@ -213,6 +214,9 @@ struct ti_sci_msg_req_set_device_resets {
* being required by the device.(default)
* MSG_CLOCK_SW_STATE_REQ: Configure the clock to be enabled,
* regardless of the state of the device.
+ * @clk_id_32: Clock identifier for the device for this request.
+ * Only to be used if the clock ID is greater than or equal to
+ * 255.
*
* Normally, all required clocks are managed by TISCI entity, this is used
* only for specific control *IF* required. Auto managed state is
@@ -234,6 +238,7 @@ struct ti_sci_msg_req_set_clock_state {
#define MSG_CLOCK_SW_STATE_AUTO 1
#define MSG_CLOCK_SW_STATE_REQ 2
u8 request_state;
+ u32 clk_id_32;
} __packed;
/**
@@ -242,7 +247,11 @@ struct ti_sci_msg_req_set_clock_state {
* @dev_id: Device identifier this request is for
* @clk_id: Clock identifier for the device for this request.
* Each device has it's own set of clock inputs. This indexes
- * which clock input to get state of.
+ * which clock input to get state of. Set to 255 if the clock
+ * ID is greater than or equal to 255.
+ * @clk_id_32: Clock identifier for the device for the request.
+ * Only to be used if the clock ID is greater than or equal to
+ * 255.
*
* Request type is TI_SCI_MSG_GET_CLOCK_STATE, response is state
* of the clock
@@ -251,6 +260,7 @@ struct ti_sci_msg_req_get_clock_state {
struct ti_sci_msg_hdr hdr;
u32 dev_id;
u8 clk_id;
+ u32 clk_id_32;
} __packed;
/**
@@ -278,9 +288,13 @@ struct ti_sci_msg_resp_get_clock_state {
* @dev_id: Device identifier this request is for
* @clk_id: Clock identifier for the device for this request.
* Each device has it's own set of clock inputs. This indexes
- * which clock input to modify.
+ * which clock input to modify. Set to 255 if clock ID is
+ * greater than or equal to 255.
* @parent_id: The new clock parent is selectable by an index via this
- * parameter.
+ * parameter. Set to 255 if clock ID is greater than or
+ * equal to 255.
+ * @clk_id_32: Clock identifier if @clk_id field is 255.
+ * @parent_id_32: Parent identifier if @parent_id is 255.
*
* Request type is TI_SCI_MSG_SET_CLOCK_PARENT, response is generic
* ACK / NACK message.
@@ -290,6 +304,8 @@ struct ti_sci_msg_req_set_clock_parent {
u32 dev_id;
u8 clk_id;
u8 parent_id;
+ u32 clk_id_32;
+ u32 parent_id_32;
} __packed;
/**
@@ -298,7 +314,10 @@ struct ti_sci_msg_req_set_clock_parent {
* @dev_id: Device identifier this request is for
* @clk_id: Clock identifier for the device for this request.
* Each device has it's own set of clock inputs. This indexes
- * which clock input to get the parent for.
+ * which clock input to get the parent for. If this field
+ * contains 255, the actual clock identifier is stored in
+ * @clk_id_32.
+ * @clk_id_32: Clock identifier if the @clk_id field contains 255.
*
* Request type is TI_SCI_MSG_GET_CLOCK_PARENT, response is parent information
*/
@@ -306,25 +325,32 @@ struct ti_sci_msg_req_get_clock_parent {
struct ti_sci_msg_hdr hdr;
u32 dev_id;
u8 clk_id;
+ u32 clk_id_32;
} __packed;
/**
* struct ti_sci_msg_resp_get_clock_parent - Response with clock parent
* @hdr: Generic Header
- * @parent_id: The current clock parent
+ * @parent_id: The current clock parent. If set to 255, the current parent
+ * ID can be found from the @parent_id_32 field.
+ * @parent_id_32: Current clock parent if @parent_id field is set to
+ * 255.
*
* Response to TI_SCI_MSG_GET_CLOCK_PARENT.
*/
struct ti_sci_msg_resp_get_clock_parent {
struct ti_sci_msg_hdr hdr;
u8 parent_id;
+ u32 parent_id_32;
} __packed;
/**
* struct ti_sci_msg_req_get_clock_num_parents - Request to get clock parents
* @hdr: Generic header
* @dev_id: Device identifier this request is for
- * @clk_id: Clock identifier for the device for this request.
+ * @clk_id: Clock identifier for the device for this request. Set to
+ * 255 if clock ID is greater than or equal to 255.
+ * @clk_id_32: Clock identifier if the @clk_id field contains 255.
*
* This request provides information about how many clock parent options
* are available for a given clock to a device. This is typically used
@@ -337,18 +363,24 @@ struct ti_sci_msg_req_get_clock_num_parents {
struct ti_sci_msg_hdr hdr;
u32 dev_id;
u8 clk_id;
+ u32 clk_id_32;
} __packed;
/**
* struct ti_sci_msg_resp_get_clock_num_parents - Response for get clk parents
* @hdr: Generic header
- * @num_parents: Number of clock parents
+ * @num_parents: Number of clock parents. If set to 255, the actual
+ * number of parents is stored into @num_parents_32
+ * field instead.
+ * @num_parents_32: Number of clock parents if @num_parents field is
+ * set to 255.
*
* Response to TI_SCI_MSG_GET_NUM_CLOCK_PARENTS
*/
struct ti_sci_msg_resp_get_clock_num_parents {
struct ti_sci_msg_hdr hdr;
u8 num_parents;
+ u32 num_parents_32;
} __packed;
/**
@@ -363,7 +395,9 @@ struct ti_sci_msg_resp_get_clock_num_parents {
* @max_freq_hz: The maximum allowable frequency in Hz. This is the maximum
* allowable programmed frequency and does not account for clock
* tolerances and jitter.
- * @clk_id: Clock identifier for the device for this request.
+ * @clk_id: Clock identifier for the device for this request. Set to
+ * 255 if clock identifier is greater than or equal to 255.
+ * @clk_id_32: Clock identifier if @clk_id is set to 255.
*
* NOTE: Normally clock frequency management is automatically done by TISCI
* entity. In case of specific requests, TISCI evaluates capability to achieve
@@ -380,6 +414,7 @@ struct ti_sci_msg_req_query_clock_freq {
u64 target_freq_hz;
u64 max_freq_hz;
u8 clk_id;
+ u32 clk_id_32;
} __packed;
/**
@@ -407,7 +442,9 @@ struct ti_sci_msg_resp_query_clock_freq {
* @max_freq_hz: The maximum allowable frequency in Hz. This is the maximum
* allowable programmed frequency and does not account for clock
* tolerances and jitter.
- * @clk_id: Clock identifier for the device for this request.
+ * @clk_id: Clock identifier for the device for this request. Set to
+ * 255 if clock ID is greater than or equal to 255.
+ * @clk_id_32: Clock identifier if @clk_id field is set to 255.
*
* NOTE: Normally clock frequency management is automatically done by TISCI
* entity. In case of specific requests, TISCI evaluates capability to achieve
@@ -436,13 +473,16 @@ struct ti_sci_msg_req_set_clock_freq {
u64 target_freq_hz;
u64 max_freq_hz;
u8 clk_id;
+ u32 clk_id_32;
} __packed;
/**
* struct ti_sci_msg_req_get_clock_freq - Request to get the clock frequency
* @hdr: Generic Header
* @dev_id: Device identifier this request is for
- * @clk_id: Clock identifier for the device for this request.
+ * @clk_id: Clock identifier for the device for this request. Set to
+ * 255 if clock ID is greater than or equal to 255.
+ * @clk_id_32: Clock identifier if @clk_id field is set to 255.
*
* NOTE: Normally clock frequency management is automatically done by TISCI
* entity. In some cases, clock frequencies are configured by host.
@@ -454,6 +494,7 @@ struct ti_sci_msg_req_get_clock_freq {
struct ti_sci_msg_hdr hdr;
u32 dev_id;
u8 clk_id;
+ u32 clk_id_32;
} __packed;
/**