[PATCH v3 2/2] clk: scmi: add compatibility for clock version 3.0 and onwards

[Maxim Kochetkov]

19.08.2025 10:33, Kamlesh Gurudasani wrote:
> Clock version 3.0 specified in ARM SCMI Platform design document
> v3.2, adds extended_config_val parameter in CLOCK_CONFIG_SET.
> 
> The SCMI server with clock version 3.0 rejects the message if
> they don't have this field.
> 
> Add support so that both SCMI server with clock version 2.0 and 3.0
> can be handled.
> 
> Signed-off-by: Kamlesh Gurudasani <kamlesh at ti.com>
> ---
>   drivers/clk/clk_scmi.c   | 43 ++++++++++++++++++++++++++++++-------------
>   include/scmi_protocols.h |  6 ++++++
>   2 files changed, 36 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/clk/clk_scmi.c b/drivers/clk/clk_scmi.c
> index 83ea7bb4286..b33cc05685d 100644
> --- a/drivers/clk/clk_scmi.c
> +++ b/drivers/clk/clk_scmi.c
> @@ -131,19 +131,36 @@ static int scmi_clk_get_attibute(struct udevice *dev, int clkid, char **name,
>   
>   static int scmi_clk_gate(struct clk *clk, int enable)
>   {
> -	struct scmi_clk_state_in in = {
> -		.clock_id = clk_get_id(clk),
> -		.attributes = enable,
> -	};
> +	struct scmi_clock_priv *priv = dev_get_priv(clk->dev);

struct scmi_clock_priv *priv = dev_get_priv(clk->dev->parent);

>   	struct scmi_clk_state_out out;
> -	struct scmi_msg msg = SCMI_MSG_IN(SCMI_PROTOCOL_ID_CLOCK,
> -					  SCMI_CLOCK_CONFIG_SET,
> -					  in, out);