From: Lukasz Luba <lukasz.luba@arm.com>
To: Daniel Lezcano <daniel.lezcano@oss.qualcomm.com>, rafael@kernel.org
Cc: Daniel Lezcano <daniel.lezcano@kernel.org>,
Heiko Stuebner <heiko@sntech.de>, Shuah Khan <shuah@kernel.org>,
Manaf Meethalavalappu Pallikunhi
<manaf.pallikunhi@oss.qualcomm.com>,
linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org,
linux-kselftest@vger.kernel.org
Subject: Re: [PATCH v4 6/6] powercap: dtpm: Add RK3588 hierarchy
Date: Fri, 30 Oct 2026 14:09:08 +0000 [thread overview]
Message-ID: <c614e414-0f9b-464f-90bb-dc1cd63b09d2@arm.com> (raw)
In-Reply-To: <50f06fc06f0e83ee59ecf9037071e02344ecd15b.1793288783.git.daniel.lezcano@oss.qualcomm.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>
next prev parent reply other threads:[~2026-10-30 14:08 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-29 16:56 [PATCH v4 0/6] powercap: Add generic hierarchy support and convert DTPM Daniel Lezcano
2026-10-29 16:56 ` [PATCH v4 1/6] powercap: Add generic zone hierarchy creation helpers Daniel Lezcano
2026-10-30 14:02 ` Lukasz Luba
2026-10-30 14:26 ` Daniel Lezcano
2026-10-29 16:56 ` [PATCH v4 2/6] selftests/powercap: Add powercap hierarchy creation API tests Daniel Lezcano
2026-10-29 16:56 ` [PATCH v4 3/6] powercap: dtpm: Remove duplicate RK3399 CPU hierarchy nodes Daniel Lezcano
2026-10-30 14:03 ` Lukasz Luba
2026-10-29 16:56 ` [PATCH v4 4/6] powercap: dtpm: Use generic powercap hierarchy helpers Daniel Lezcano
2026-10-29 16:56 ` [PATCH v4 5/6] powercap: dtpm: Rename Rockchip virtual node descriptor Daniel Lezcano
2026-10-30 14:07 ` Lukasz Luba
2026-10-29 16:56 ` [PATCH v4 6/6] powercap: dtpm: Add RK3588 hierarchy Daniel Lezcano
2026-10-30 14:09 ` Lukasz Luba [this message]
2026-10-30 9:08 ` [PATCH v4 0/6] powercap: Add generic hierarchy support and convert DTPM Daniel Lezcano
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