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[85.85.171.48]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47aa09608d4sm26469667f8f.25.2026.07.06.08.21.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 06 Jul 2026 08:21:33 -0700 (PDT) Message-ID: <747bb78f-5ebf-40cf-9922-98e69920a9d8@suse.com> Date: Mon, 6 Jul 2026 17:21:30 +0200 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 4/4] pmdomain: mediatek: Add support for MT8196 HFRP DirectCTL domains To: AngeloGioacchino Del Regno , ulfh@kernel.org Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, matthias.bgg@gmail.com, nfraprado@collabora.com, irving-ch.lin@mediatek.com, macpaul.lin@mediatek.com, aford173@gmail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, justin.yeh@mediatek.com, kernel@collabora.com References: <20260701121920.19347-1-angelogioacchino.delregno@collabora.com> <20260701121920.19347-5-angelogioacchino.delregno@collabora.com> Content-Language: en-US, ca-ES, es-ES From: Matthias Brugger Autocrypt: addr=mbrugger@suse.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 01/07/2026 14:19, AngeloGioacchino Del Regno wrote: > Add support for the power domains provided by the HFRPSYS Power > Controller of the MT8196 SoC. > Those control power to the eDP and DP Transmitter IPs. > > Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Matthias Brugger > --- > drivers/pmdomain/mediatek/mt8196-pm-domains.h | 27 +++++++++++++++++++ > drivers/pmdomain/mediatek/mtk-pm-domains.c | 4 +++ > 2 files changed, 31 insertions(+) > > diff --git a/drivers/pmdomain/mediatek/mt8196-pm-domains.h b/drivers/pmdomain/mediatek/mt8196-pm-domains.h > index 2e4b28720659..d704c9fa9337 100644 > --- a/drivers/pmdomain/mediatek/mt8196-pm-domains.h > +++ b/drivers/pmdomain/mediatek/mt8196-pm-domains.h > @@ -602,6 +602,27 @@ static const struct scpsys_hwv_domain_data hfrpsys_hwv_domain_data_mt8196[] = { > }, > }; > > +static const struct scpsys_domain_data hfrpsys_domain_data_mt8196[] = { > + [MT8196_POWER_DOMAIN_EDPTX] = { > + .name = "edp-tx", > + .sta_mask = MT8196_PWR_ACK, > + .sta2nd_mask = MT8196_PWR_ACK_2ND, > + .ctl_offs = 0x74, > + .pwr_sta_offs = 0x74, > + .pwr_sta2nd_offs = 0x74, > + .caps = MTK_SCPD_SIMPLE_PWRSEQ, > + }, > + [MT8196_POWER_DOMAIN_DPTX] = { > + .name = "dp-tx", > + .sta_mask = MT8196_PWR_ACK, > + .sta2nd_mask = MT8196_PWR_ACK_2ND, > + .ctl_offs = 0x78, > + .pwr_sta_offs = 0x78, > + .pwr_sta2nd_offs = 0x78, > + .caps = MTK_SCPD_SIMPLE_PWRSEQ, > + }, > +}; > + > static const struct scpsys_soc_data mt8196_scpsys_data = { > .domains_data = scpsys_domain_data_mt8196, > .num_domains = ARRAY_SIZE(scpsys_domain_data_mt8196), > @@ -616,6 +637,12 @@ static const struct scpsys_soc_data mt8196_scpsys_hwv_data = { > .type = SCPSYS_MTCMOS_TYPE_HW_VOTER, > }; > > +static const struct scpsys_soc_data mt8196_hfrpsys_data = { > + .domains_data = hfrpsys_domain_data_mt8196, > + .num_domains = ARRAY_SIZE(hfrpsys_domain_data_mt8196), > + .type = SCPSYS_MTCMOS_TYPE_DIRECT_CTL, > +}; > + > static const struct scpsys_soc_data mt8196_hfrpsys_hwv_data = { > .hwv_domains_data = hfrpsys_hwv_domain_data_mt8196, > .num_hwv_domains = ARRAY_SIZE(hfrpsys_hwv_domain_data_mt8196), > diff --git a/drivers/pmdomain/mediatek/mtk-pm-domains.c b/drivers/pmdomain/mediatek/mtk-pm-domains.c > index 5276adea1d04..f69cf69ba0f6 100644 > --- a/drivers/pmdomain/mediatek/mtk-pm-domains.c > +++ b/drivers/pmdomain/mediatek/mtk-pm-domains.c > @@ -1252,6 +1252,10 @@ static const struct of_device_id scpsys_of_match[] = { > .compatible = "mediatek,mt8196-power-controller", > .data = &mt8196_scpsys_data, > }, > + { > + .compatible = "mediatek,mt8196-hfrp-power-controller", > + .data = &mt8196_hfrpsys_data, > + }, > { > .compatible = "mediatek,mt8196-hwv-hfrp-power-controller", > .data = &mt8196_hfrpsys_hwv_data,