};
/*
+ * Generic message IDs
+ */
+enum scmi_discovery_id {
+ SCMI_PROTOCOL_VERSION = 0x0,
+ SCMI_PROTOCOL_ATTRIBUTES = 0x1,
+ SCMI_PROTOCOL_MESSAGE_ATTRIBUTES = 0x2,
+};
+
+/*
* SCMI Clock Protocol
*/
enum scmi_clock_message_id {
+ SCMI_CLOCK_ATTRIBUTES = 0x3,
SCMI_CLOCK_RATE_SET = 0x5,
SCMI_CLOCK_RATE_GET = 0x6,
SCMI_CLOCK_CONFIG_SET = 0x7,
};
+#define SCMI_CLK_PROTO_ATTR_COUNT_MASK GENMASK(15, 0)
#define SCMI_CLK_RATE_ASYNC_NOTIFY BIT(0)
#define SCMI_CLK_RATE_ASYNC_NORESP (BIT(0) | BIT(1))
#define SCMI_CLK_RATE_ROUND_DOWN 0
#define SCMI_CLK_RATE_ROUND_UP BIT(2)
#define SCMI_CLK_RATE_ROUND_CLOSEST BIT(3)
+#define SCMI_CLOCK_NAME_LENGTH_MAX 16
+
+/**
+ * struct scmi_clk_get_nb_out - Response for SCMI_PROTOCOL_ATTRIBUTES command
+ * @status: SCMI command status
+ * @attributes: Attributes of the clock protocol, mainly number of clocks exposed
+ */
+struct scmi_clk_protocol_attr_out {
+ s32 status;
+ u32 attributes;
+};
+
+/**
+ * struct scmi_clk_attribute_in - Message payload for SCMI_CLOCK_ATTRIBUTES command
+ * @clock_id: SCMI clock ID
+ */
+struct scmi_clk_attribute_in {
+ u32 clock_id;
+};
+
+/**
+ * struct scmi_clk_get_nb_out - Response payload for SCMI_CLOCK_ATTRIBUTES command
+ * @status: SCMI command status
+ * @attributes: clock attributes
+ * @clock_name: name of the clock
+ */
+struct scmi_clk_attribute_out {
+ s32 status;
+ u32 attributes;
+ char clock_name[SCMI_CLOCK_NAME_LENGTH_MAX];
+};
+
/**
* struct scmi_clk_state_in - Message payload for CLOCK_CONFIG_SET command
* @clock_id: SCMI clock ID
/**
* struct scmi_clk_state_in - Message payload for CLOCK_RATE_SET command
- * @clock_id: SCMI clock ID
* @flags: Flags for the clock rate set request
+ * @clock_id: SCMI clock ID
* @rate_lsb: 32bit LSB of the clock rate in Hertz
* @rate_msb: 32bit MSB of the clock rate in Hertz
*/
struct scmi_clk_rate_set_in {
- u32 clock_id;
u32 flags;
+ u32 clock_id;
u32 rate_lsb;
u32 rate_msb;
};