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[61.220.246.151]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29650c5c72esm24199615ad.33.2025.11.06.02.45.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Nov 2025 02:45:56 -0800 (PST) From: Jeff Lin To: jdelvare@suse.com, linux@roeck-us.net Cc: Mariel.Tinaco@analog.com, andriy.shevchenko@linux.intel.com, cedricjustine.encarnacion@analog.com, chiang.brian@inventec.com, grantpeltier93@gmail.com, gregkh@linuxfoundation.org, jbrunet@baylibre.com, johnerasmusmari.geronimo@analog.com, kimseer.paller@analog.com, krzysztof.kozlowski@linaro.org, leo.yang.sy0@gmail.com, linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, ninad@linux.ibm.com, nuno.sa@analog.com, peterz@infradead.org, thorsten.blum@linux.dev, tzungbi@kernel.org, william@wkennington.com, Jeff Lin Subject: [PATCH v2] drivers/hwmon/pmbus: Add support for raa229141 in isl68137 Date: Thu, 6 Nov 2025 18:45:19 +0800 Message-Id: <20251106104519.2014853-1-jefflin994697@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-hwmon@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The RAA229141A is a digital dual output multiphase (X+Y ≤ 12) PWM controller designed to be compliant with Intel VR13, VR13.HC, VR14 and VR14.Cloud specifications, targeting VCORE and auxiliary rails. The RAA229141A supports the Intel SVID interface along with PMBus V1.3 specifications, making it ideal for controlling the microprocessor core and system rails in Intel VR13, VR13.HC, VR14 and VR14.Cloud platforms. Signed-off-by: Jeff Lin --- v1 -> v2: - Modify subject and description for the requirements - Remove CONFIG_SENSORS_RAA229141 in Kconfig - Remove the part for multifunction pin in v1 patchset - Rename function raa_dmpvr2_2rail_isys to raa_dmpvr2_2rail_pmbus - Link to v1: https://lore.kernel.org/all/20250926014552.1625950-1-jefflin994697@gmail.com/ --- Documentation/hwmon/isl68137.rst | 10 ++++++++++ drivers/hwmon/pmbus/isl68137.c | 14 ++++++++++++++ 2 files changed, 24 insertions(+) diff --git a/Documentation/hwmon/isl68137.rst b/Documentation/hwmon/isl68137.rst index 5bc029c98383..e77f582c2850 100644 --- a/Documentation/hwmon/isl68137.rst +++ b/Documentation/hwmon/isl68137.rst @@ -414,6 +414,16 @@ Supported chips: Publicly available (after August 2020 launch) at the Renesas website + * Renesas RAA229141 + + Prefix: 'raa229141' + + Addresses scanned: - + + Datasheet: + + Provided by Renesas upon request and NDA + Authors: - Maxim Sloyko - Robert Lippert diff --git a/drivers/hwmon/pmbus/isl68137.c b/drivers/hwmon/pmbus/isl68137.c index 6bba9b50c51b..97b61836f53a 100644 --- a/drivers/hwmon/pmbus/isl68137.c +++ b/drivers/hwmon/pmbus/isl68137.c @@ -65,6 +65,7 @@ enum chips { raa228246, raa229001, raa229004, + raa229141, raa229621, }; @@ -73,6 +74,7 @@ enum variants { raa_dmpvr2_1rail, raa_dmpvr2_2rail, raa_dmpvr2_2rail_nontc, + raa_dmpvr2_2rail_pmbus, raa_dmpvr2_3rail, raa_dmpvr2_hv, }; @@ -399,6 +401,17 @@ static int isl68137_probe(struct i2c_client *client) info->read_word_data = raa_dmpvr2_read_word_data; info->write_word_data = raa_dmpvr2_write_word_data; break; + case raa_dmpvr2_2rail_pmbus: + info->format[PSC_VOLTAGE_IN] = linear, + info->format[PSC_VOLTAGE_OUT] = linear, + info->format[PSC_CURRENT_IN] = linear; + info->format[PSC_CURRENT_OUT] = linear; + info->format[PSC_POWER] = linear; + info->format[PSC_TEMPERATURE] = linear; + info->pages = 2; + info->read_word_data = raa_dmpvr2_read_word_data; + info->write_word_data = raa_dmpvr2_write_word_data; + break; case raa_dmpvr2_3rail: info->read_word_data = raa_dmpvr2_read_word_data; info->write_word_data = raa_dmpvr2_write_word_data; @@ -469,6 +482,7 @@ static const struct i2c_device_id raa_dmpvr_id[] = { {"raa228246", raa_dmpvr2_2rail_nontc}, {"raa229001", raa_dmpvr2_2rail}, {"raa229004", raa_dmpvr2_2rail}, + {"raa229141", raa_dmpvr2_2rail_pmbus}, {"raa229621", raa_dmpvr2_2rail}, {} }; -- 2.34.1