Re: [PATCH v4 6/6] powercap: dtpm: Add RK3588 hierarchy

[Lukasz Luba <lukasz.luba@arm.com>]

On 10/29/26 16:56, Daniel Lezcano wrote:
> The RK3588 has three CPU frequency domains, with CPUs grouped into
> three cpufreq policies.
> 
> Add a DTPM hierarchy for the RK3588 with one CPU node per cpufreq
> policy, represented by cpu@0, cpu@400 and cpu@600. Group the three CPU
> domains under a virtual package node attached to the RK3588 root node.
> 
> Add the RK3588 compatible to the Rockchip DTPM match table to select
> the new hierarchy.
> 
> Signed-off-by: Daniel Lezcano <daniel.lezcano@oss.qualcomm.com>
> ---
> Changes in v4 (since v3):
> - Rebase on v7.3; no code or commit-description changes.
> 
> Changes in v3 (since v2):
> - Rebase on v7.3-rc7.
> - Fix __initdata placement and the RK3588 match-entry indentation.
> - No functional changes.
> 
>   drivers/soc/rockchip/dtpm.c | 48 +++++++++++++++++++++++++++++++++++++
>   1 file changed, 48 insertions(+)
> 
> diff --git a/drivers/soc/rockchip/dtpm.c b/drivers/soc/rockchip/dtpm.c
> index 5ae00680602f..664764f4b460 100644
> --- a/drivers/soc/rockchip/dtpm.c
> +++ b/drivers/soc/rockchip/dtpm.c
> @@ -62,8 +62,56 @@ static struct powercap_hierarchy rk3399_hierarchy __initdata = {
>   	.nr_nodes = ARRAY_SIZE(rk3399_nodes),
>   };
>   
> +static struct dtpm_node rk3588_cpu0 = {
> +	.type = DTPM_NODE_DT,
> +	.path = "/cpus/cpu@0",
> +};
> +
> +static struct dtpm_node rk3588_cpu4 = {
> +	.type = DTPM_NODE_DT,
> +	.path = "/cpus/cpu@400",
> +};
> +
> +static struct dtpm_node rk3588_cpu6 = {
> +	.type = DTPM_NODE_DT,
> +	.path = "/cpus/cpu@600",
> +};
> +
> +static struct powercap_node rk3588_nodes[] __initdata = {
> +	[0] = {
> +		.name = "rk3588",
> +		.data = &rockchip_virtual,
> +	},
> +	[1] = {
> +		.name = "package",
> +		.parent = &rk3588_nodes[0],
> +		.data = &rockchip_virtual,
> +	},
> +	[2] = {
> +		.name = "cpu0-cpufreq",
> +		.parent = &rk3588_nodes[1],
> +		.data = &rk3588_cpu0,
> +	},
> +	[3] = {
> +		.name = "cpu4-cpufreq",
> +		.parent = &rk3588_nodes[1],
> +		.data = &rk3588_cpu4,
> +	},
> +	[4] = {
> +		.name = "cpu6-cpufreq",
> +		.parent = &rk3588_nodes[1],
> +		.data = &rk3588_cpu6,
> +	},
> +};
> +
> +static struct powercap_hierarchy rk3588_hierarchy __initdata = {
> +	.nodes = rk3588_nodes,
> +	.nr_nodes = ARRAY_SIZE(rk3588_nodes),
> +};
> +
>   static struct of_device_id __initdata rockchip_dtpm_match_table[] = {
>   	{ .compatible = "rockchip,rk3399", .data = &rk3399_hierarchy },
> +	{ .compatible = "rockchip,rk3588", .data = &rk3588_hierarchy },
>   	{},
>   };
>   

Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>

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