Merge tag 'tpm-030822' of https://source.denx.de/u-boot/custodians/u-boot-tpm

[platform/kernel/u-boot.git] / include / scmi_protocols.h

diff --git a/include/scmi_protocols.h b/include/scmi_protocols.h
index ef26e72..a220cb2 100644 (file)
--- a/include/scmi_protocols.h
+++ b/include/scmi_protocols.h
@@ -41,21 +41,64 @@ enum scmi_status_code {
 };
 
 /*
+ * 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