diff options
| author |   Peng Fan <peng.fan@nxp.com> | 2023-10-04 07:42:23 +0800 |
|---|---|---|
| committer |   Sudeep Holla <sudeep.holla@arm.com> | 2023-10-08 21:16:30 +0100 |
| commit | 77bbfe607b1d306c88bf96fed00c030f6bf462f1 (patch) | |
| tree | 1165e67a02f3c393f3217e6467404032d6f2cc72 /include/linux/scmi_protocol.h | |
| parent | clk: scmi: Free scmi_clk allocated when the clocks with invalid info are skipped (diff) | |
| download | wireguard-linux-77bbfe607b1d306c88bf96fed00c030f6bf462f1.tar.xz wireguard-linux-77bbfe607b1d306c88bf96fed00c030f6bf462f1.zip | |
firmware: arm_scmi: Add support for clock parents
SCMI v3.2 spec introduces CLOCK_POSSIBLE_PARENTS_GET, CLOCK_PARENT_SET
and CLOCK_PARENT_GET. Add support for these to enable clock parents
and use them in the clock driver.
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20231004-scmi-clock-v3-v5-1-1b8a1435673e@nxp.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'include/linux/scmi_protocol.h')
| -rw-r--r-- | include/linux/scmi_protocol.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h index 27bfa5a65b45..f2f05fb42d28 100644 --- a/include/linux/scmi_protocol.h +++ b/include/linux/scmi_protocol.h @@ -58,6 +58,8 @@ struct scmi_clock_info { u64 step_size; } range; }; + int num_parents; + u32 *parents; }; enum scmi_power_scale { @@ -83,6 +85,8 @@ struct scmi_protocol_handle; * @state_get: get the status of the specified clock * @config_oem_get: get the value of an OEM specific clock config * @config_oem_set: set the value of an OEM specific clock config + * @parent_get: get the parent id of a clk + * @parent_set: set the parent of a clock */ struct scmi_clk_proto_ops { int (*count_get)(const struct scmi_protocol_handle *ph); @@ -104,6 +108,8 @@ struct scmi_clk_proto_ops { bool atomic); int (*config_oem_set)(const struct scmi_protocol_handle *ph, u32 clk_id, u8 oem_type, u32 oem_val, bool atomic); + int (*parent_get)(const struct scmi_protocol_handle *ph, u32 clk_id, u32 *parent_id); + int (*parent_set)(const struct scmi_protocol_handle *ph, u32 clk_id, u32 parent_id); }; struct scmi_perf_domain_info { |