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clk: scmi: add the command CLOCK_PARENT_SET

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This patch adds the command CLOCK_PARENT_SET that can be used to set the
parent of a clock. ARM SCMI Version 3.2 supports to change the parent of
a clock device.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Alice Guo <alice.guo@nxp.com>
Reviewed-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Peng Fan
2025-04-28 18:37:30 +08:00
committed by Fabio Estevam
parent ba0f560432
commit af2a671f78
2 changed files with 39 additions and 0 deletions
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19
include/scmi_protocols.h
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@@ -737,6 +737,7 @@ enum scmi_clock_message_id {
SCMI_CLOCK_RATE_SET = 0x5,
SCMI_CLOCK_RATE_GET = 0x6,
SCMI_CLOCK_CONFIG_SET = 0x7,
SCMI_CLOCK_PARENT_SET = 0xD,
};
#define SCMI_CLK_PROTO_ATTR_COUNT_MASK GENMASK(15, 0)
@@ -839,6 +840,24 @@ struct scmi_clk_rate_set_out {
s32 status;
};
/**
* struct scmi_clk_parent_state_in - Message payload for CLOCK_PARENT_SET command
* @clock_id: SCMI clock ID
* @parent_clk: SCMI clock ID
*/
struct scmi_clk_parent_set_in {
u32 clock_id;
u32 parent_clk;
};
/**
* struct scmi_clk_parent_set_out - Response payload for CLOCK_PARENT_SET command
* @status: SCMI command status
*/
struct scmi_clk_parent_set_out {
s32 status;
};
/*
* SCMI Reset Domain Protocol
*/