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Mon, 06 Oct 2025 14:54:24 -0700 (PDT) From: Ivan Mikhaylov To: Iwona Winiarska , Guenter Roeck Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, openbmc@lists.ozlabs.org, Ivan Mikhaylov Subject: [PATCH 3/3] hwmon: (peci/cputemp) add Intel Emerald Rapids support Date: Tue, 7 Oct 2025 00:53:21 +0300 Message-ID: <20251006215321.5036-4-fr0st61te@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20251006215321.5036-1-fr0st61te@gmail.com> References: <20251006215321.5036-1-fr0st61te@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add support to read DTS for reading Intel Emerald Rapids platform. Signed-off-by: Ivan Mikhaylov Reviewed-by: Paul Menzel --- drivers/hwmon/peci/cputemp.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/hwmon/peci/cputemp.c b/drivers/hwmon/peci/cputemp.c index c7112dbf008b..b350c9a76894 100644 --- a/drivers/hwmon/peci/cputemp.c +++ b/drivers/hwmon/peci/cputemp.c @@ -364,6 +364,7 @@ static int init_core_mask(struct peci_cputemp *priv) case INTEL_ICELAKE_X: case INTEL_ICELAKE_D: case INTEL_SAPPHIRERAPIDS_X: + case INTEL_EMERALDRAPIDS_X: ret =3D peci_ep_pci_local_read(peci_dev, 0, reg->bus, reg->dev, reg->func, reg->offset + 4, &data); if (ret) @@ -539,6 +540,13 @@ static struct resolved_cores_reg resolved_cores_reg_sp= r =3D { .offset =3D 0x80, }; =20 +static struct resolved_cores_reg resolved_cores_reg_emr =3D { + .bus =3D 31, + .dev =3D 30, + .func =3D 6, + .offset =3D 0x80, +}; + static const struct cpu_info cpu_hsx =3D { .reg =3D &resolved_cores_reg_hsx, .min_peci_revision =3D 0x33, @@ -563,6 +571,12 @@ static const struct cpu_info cpu_spr =3D { .thermal_margin_to_millidegree =3D &dts_ten_dot_six_to_millidegree, }; =20 +static const struct cpu_info cpu_emr =3D { + .reg =3D &resolved_cores_reg_emr, + .min_peci_revision =3D 0x40, + .thermal_margin_to_millidegree =3D &dts_ten_dot_six_to_millidegree, +}; + static const struct auxiliary_device_id peci_cputemp_ids[] =3D { { .name =3D "peci_cpu.cputemp.hsx", @@ -592,6 +606,10 @@ static const struct auxiliary_device_id peci_cputemp_i= ds[] =3D { .name =3D "peci_cpu.cputemp.spr", .driver_data =3D (kernel_ulong_t)&cpu_spr, }, + { + .name =3D "peci_cpu.cputemp.emr", + .driver_data =3D (kernel_ulong_t)&cpu_emr, + }, { } }; MODULE_DEVICE_TABLE(auxiliary, peci_cputemp_ids); --=20 2.49.0