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GET /api/patches/2195104/?format=api
{ "id": 2195104, "url": "http://patchwork.ozlabs.org/api/patches/2195104/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260210-s2mpg1x-regulators-v8-1-c429d709c0e0@linaro.org/", "project": { "id": 42, "url": "http://patchwork.ozlabs.org/api/projects/42/?format=api", "name": "Linux GPIO development", "link_name": "linux-gpio", "list_id": "linux-gpio.vger.kernel.org", "list_email": "linux-gpio@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260210-s2mpg1x-regulators-v8-1-c429d709c0e0@linaro.org>", "list_archive_url": null, "date": "2026-02-10T12:42:32", "name": "[v8] dt-bindings: firmware: google,gs101-acpm-ipc: add S2MPG11 secondary PMIC", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "3b35ca6f48d7f52cc3a49a5e6d0ad1b76c97125c", "submitter": { "id": 87400, "url": "http://patchwork.ozlabs.org/api/people/87400/?format=api", "name": "André Draszik", "email": "andre.draszik@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260210-s2mpg1x-regulators-v8-1-c429d709c0e0@linaro.org/mbox/", "series": [ { "id": 491669, "url": "http://patchwork.ozlabs.org/api/series/491669/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/list/?series=491669", "date": "2026-02-10T12:42:32", "name": "[v8] dt-bindings: firmware: google,gs101-acpm-ipc: add S2MPG11 secondary PMIC", "version": 8, "mbox": "http://patchwork.ozlabs.org/series/491669/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2195104/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2195104/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-gpio+bounces-31553-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-gpio@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=mRaTPEp+;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; helo=sea.lore.kernel.org;\n envelope-from=linux-gpio+bounces-31553-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)", "smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org\n header.b=\"mRaTPEp+\"", "smtp.subspace.kernel.org;\n arc=none smtp.client-ip=209.85.218.65", "smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=linaro.org", "smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=linaro.org" ], "Received": [ "from sea.lore.kernel.org (sea.lore.kernel.org\n [IPv6:2600:3c0a:e001:db::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4f9Lnv5nJRz1xtV\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 10 Feb 2026 23:43:15 +1100 (AEDT)", "from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sea.lore.kernel.org (Postfix) with ESMTP id D21FB3051C85\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 10 Feb 2026 12:42:42 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 5CF60F4FA;\n\tTue, 10 Feb 2026 12:42:42 +0000 (UTC)", "from mail-ej1-f65.google.com (mail-ej1-f65.google.com\n [209.85.218.65])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 7F5E91CEADB\n\tfor <linux-gpio@vger.kernel.org>; Tue, 10 Feb 2026 12:42:39 +0000 (UTC)", "by mail-ej1-f65.google.com with SMTP id\n a640c23a62f3a-b8845cb5862so119251666b.3\n for <linux-gpio@vger.kernel.org>;\n Tue, 10 Feb 2026 04:42:39 -0800 (PST)", "from puffmais2.c.googlers.com\n (244.175.141.34.bc.googleusercontent.com. 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charset=\"utf-8\"", "Content-Transfer-Encoding": "8bit", "Message-Id": "<20260210-s2mpg1x-regulators-v8-1-c429d709c0e0@linaro.org>", "X-B4-Tracking": "v=1; b=H4sIALgni2kC/23SS27DIBAG4KtErEs1PMwjq96j6gJscJBSO4XES\n hX57h2nTevKLH/EfCNmuJEScgqF7Hc3ksOUShoHDOZpR9qDG/pAU4eZcOANKBC08PdTz640h/5\n ydOcxF6qdZK0R1jofCRaecojpekdf3zAfUsF7n/ceE1tOH5yscROjQLGV0RKitC68HNPg8vg85\n p4s3sTXhqoaHA0PIoYYO6442xji12Cs/qxJLIbxVnltAzRmY8iVwaBqSDSsbG3QXHXSu43R/Bm\n c66rRoAEtSC8UeLQ2hnoYChg0VUOhYXCcXnXMR9ttDL0yOK8aGg3hWbRGsIhz/WfM34vP4eOCn\n +j8s/15/gJQ0lR2YgIAAA==", "X-Change-ID": "20250603-s2mpg1x-regulators-7a41c8399abf", "To": "Tudor Ambarus <tudor.ambarus@linaro.org>, Rob Herring <robh@kernel.org>,\n Conor Dooley <conor+dt@kernel.org>, Krzysztof Kozlowski <krzk@kernel.org>,\n Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>,\n Lee Jones <lee@kernel.org>, Bartosz Golaszewski <brgl@bgdev.pl>,\n Krzysztof Kozlowski <krzk+dt@kernel.org>, Linus Walleij <linusw@kernel.org>,\n Bartosz Golaszewski <brgl@kernel.org>", "Cc": "Peter Griffin <peter.griffin@linaro.org>,\n Will McVicker <willmcvicker@google.com>, Juan Yescas <jyescas@google.com>,\n kernel-team@android.com, linux-kernel@vger.kernel.org,\n linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org,\n linux-gpio@vger.kernel.org,\n =?utf-8?q?Andr=C3=A9_Draszik?= <andre.draszik@linaro.org>,\n Krzysztof Kozlowski <krzk@kernel.org>", "X-Mailer": "b4 0.14.2" }, "content": "In a typical system using the Samsung S2MPG10 PMIC, an S2MPG11 is used\nas a sub-PMIC.\n\nThe interface for both is the ACPM firmware protocol, so update the\nbinding to allow the relevant node and update the example here to\ndescribe the connection for both PMICs.\n\nSince we have two PMICs here, but can not use the 'reg' property (as\nthe addressing is based on software, i.e. the ACPM firmware), the node\nnames reflect that with their respective suffix. The existing 'pmic'\ntherefore becomes deprecated in favour of 'pmic-1'.\n\nWhile at it, update the example.\n\nReviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>\nSigned-off-by: André Draszik <andre.draszik@linaro.org>\n---\nThis is the last patch to be applied from the original series. Ideally\nit should be applied on top of commit 914809c666d6 (\"Samsung S2MPG10\nregulator and S2MPG11 PMIC drivers\") from\nhttps://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git/\nor any child thereof due to patch context. That commit exists in\nlinux-next.\n\nOriginal cover letter below:\n\nThis series extends the existing S2MPG10 PMIC driver to add support for\nthe regulators, and adds new S2MPG11 core and regulator drivers.\n\n--- dependency note ---\nThis series must be applied in-order, due to the regulator drivers\ndepending on headers & definitions added by the bindings and core\ndrivers.\n\nDue to patch context, there are dependencies on previous Samsung MFD\npatches, hence this series is against current for-mfd-next.\n\nWhile these patches compile, regulator probe will only be successful\nwith my deferrable regulators patches from\nhttps://lore.kernel.org/r/20251227-regulators-defer-v1-0-3104b22d84cb@linaro.org\n(already in linux-next).\n\nI think patches up to and including mfd changes could go via the MFD\ntree, and regulator patches using an immutable branch via the regulator\ntree on top.\n--- end ---\n\nThe patches are kept together in one series, due to S2MPG11 and its\nregulators being very similar to S2MPG10.\n\nThe Samsung S2MPG11 PMIC is a Power Management IC for mobile\napplications with buck converters, various LDOs, power meters, and\nadditional GPIO interfaces. It typically complements an S2MPG10 PMIC in\na main/sub configuration as the sub-PMIC and both are used on the\nGoogle Pixel 6 and 6 Pro (oriole / raven).\n\nA DT update for Oriole / Raven to enable these is required which I will\nsend out separately.\n\nCheers,\nAndre'\n---\nChanges in v8:\n- resend patch 7 only with updated commit message, as all others are\n merged already\n- Link to v7: https://lore.kernel.org/r/20260122-s2mpg1x-regulators-v7-0-3b1f9831fffd@linaro.org\n\nChanges in v7:\n- rebase against for-mfd-next\n- add 'domain_suffix' to s2mpg11_irq_chip_pmic (patch 9)\n- Link to v6: https://lore.kernel.org/r/20260105-s2mpg1x-regulators-v6-0-80f4b6d1bf9d@linaro.org\n\nChanges in v6:\n- merge patch 21 into 15 (Bartosz)\n- merge 'con-id' handling into patch 15\n- collect tags\n- Link to v5: https://lore.kernel.org/r/20251227-s2mpg1x-regulators-v5-0-0c04b360b4c9@linaro.org\n\nChanges in v5:\n- rebase against mfd/sec alarm IRQ rework\n https://lore.kernel.org/all/20251217-s5m-alarm-v2-0-b7bff003e94c@linaro.org/\n- switch to async probe for mfd\n- Mark: one MFD cell per PMIC, not per PMIC rail - drop or update\n related patches\n - making the series runtime depend on\n https://lore.kernel.org/r/20251227-regulators-defer-v1-0-3104b22d84cb@linaro.org\n- new patch:\n - mfd: sec: s2mpg10: reorder regulators for better probe performance\n- collect tags\n- Link to v4: https://lore.kernel.org/r/20251110-s2mpg1x-regulators-v4-0-94c9e726d4ba@linaro.org\n\nChanges in v4:\n- Krzysztof:\n - s2mpg10-regulator.yaml: move additionalProperties to after allOf\n - s2mpg10-regulator.yaml: use $defs, not definitions\n - split samsung,s2mpg10-pmic.yaml and samsung,s2mpg11-pmic.yaml\n - add full example for samsung,s2mpg10-pmic.yaml and 11\n - acpm binding: commit message update\n - acpm binding: pmic -> pmic-1, pmic2 -> pmic-2\n- ensure binding file names match bindings\n- fix typos in s2mpg11-regulator.yaml description text\n- collect tags\n- Link to v3: https://lore.kernel.org/r/20251103-s2mpg1x-regulators-v3-0-b8b96b79e058@linaro.org\n\nChanges in v3:\n- Krzysztof:\n - split s2mpg10 core binding into separate file\n - drop PCTRLSEL values that can be described using standard\n properties, and update remaining macro names (self)\n - drop maxItems:1 where not needed (Krzysztof)\n - samsung,ext-control-gpios -> enable-gpios\n- fix LDO20M_EN pin name -> VLDO20M_EN\n- move all binding patternProperties to top-level\n- one (driver) instance per actual rail, not per rail type (LDO or\n buck)\n- new macro REGULATOR_LINEAR_VRANGE() (patch 10)\n- address some (pre-existing) checkpatch warnings\n- various updates to regulator driver (patch 16 & 19).See footer there\n- more descriptive commit messages\n- Link to v2: https://lore.kernel.org/r/20250606-s2mpg1x-regulators-v2-0-b03feffd2621@linaro.org\n\nChanges in v2:\n- s2mpg11 also exposes additional GPIOs, update all relevant commit\n messages (nevertheless, GPIOs are out of scope in this series)\n- fix some commit message typos: s2mp1 -> s2mpg1\n- patch2: drop | (literal style mark) from samsung,ext-control-gpios\n- patch5: add | to vinb*-supply description for better formatting\n- patch13: update ::of_parse_cb assignment\n- patch15: drop duplicated ::of_parse_cb assignment\n- Link to v1: https://lore.kernel.org/r/20250604-s2mpg1x-regulators-v1-0-6038740f49ae@linaro.org\n---\nv4:\n- Krzysztof:\n - update commit message / subject\n - pmic -> pmic-1, pmic2 -> pmic-2\n---\n .../bindings/firmware/google,gs101-acpm-ipc.yaml | 50 +++++++++++++++++++++-\n 1 file changed, 48 insertions(+), 2 deletions(-)\n\n\n---\nbase-commit: 9845cf73f7db6094c0d8419d6adb848028f4a921\nchange-id: 20250603-s2mpg1x-regulators-7a41c8399abf\n\nBest regards,", "diff": "diff --git a/Documentation/devicetree/bindings/firmware/google,gs101-acpm-ipc.yaml b/Documentation/devicetree/bindings/firmware/google,gs101-acpm-ipc.yaml\nindex 4a1e3e3c0505aad6669cadf9b7b58aa4c7f284cb..e68f9c3ca5e2619bacc0c8d843ec4984c0947fd8 100644\n--- a/Documentation/devicetree/bindings/firmware/google,gs101-acpm-ipc.yaml\n+++ b/Documentation/devicetree/bindings/firmware/google,gs101-acpm-ipc.yaml\n@@ -37,6 +37,7 @@ properties:\n maxItems: 1\n \n pmic:\n+ deprecated: true\n description: Child node describing the main PMIC.\n type: object\n additionalProperties: true\n@@ -45,6 +46,24 @@ properties:\n compatible:\n const: samsung,s2mpg10-pmic\n \n+ pmic-1:\n+ description: Child node describing the main PMIC.\n+ type: object\n+ additionalProperties: true\n+\n+ properties:\n+ compatible:\n+ const: samsung,s2mpg10-pmic\n+\n+ pmic-2:\n+ description: Child node describing the sub PMIC.\n+ type: object\n+ additionalProperties: true\n+\n+ properties:\n+ compatible:\n+ const: samsung,s2mpg11-pmic\n+\n shmem:\n description:\n List of phandle pointing to the shared memory (SHM) area. The memory\n@@ -62,7 +81,9 @@ additionalProperties: false\n \n examples:\n - |\n+ #include <dt-bindings/gpio/gpio.h>\n #include <dt-bindings/interrupt-controller/irq.h>\n+ #include <dt-bindings/regulator/samsung,s2mpg10-regulator.h>\n \n power-management {\n compatible = \"google,gs101-acpm-ipc\";\n@@ -70,10 +91,12 @@ examples:\n mboxes = <&ap2apm_mailbox>;\n shmem = <&apm_sram>;\n \n- pmic {\n+ pmic-1 {\n compatible = \"samsung,s2mpg10-pmic\";\n interrupts-extended = <&gpa0 6 IRQ_TYPE_LEVEL_LOW>;\n \n+ vinl3m-supply = <&buck8m>;\n+\n regulators {\n ldo1m {\n regulator-name = \"vdd_ldo1\";\n@@ -82,7 +105,13 @@ examples:\n regulator-always-on;\n };\n \n- // ...\n+ ldo20m {\n+ regulator-name = \"vdd_dmics\";\n+ regulator-min-microvolt = <700000>;\n+ regulator-max-microvolt = <1300000>;\n+ regulator-always-on;\n+ samsung,ext-control = <S2MPG10_EXTCTRL_LDO20M_EN2>;\n+ };\n \n buck8m {\n regulator-name = \"vdd_mif\";\n@@ -93,4 +122,21 @@ examples:\n };\n };\n };\n+\n+ pmic-2 {\n+ compatible = \"samsung,s2mpg11-pmic\";\n+ interrupts-extended = <&gpa0 7 IRQ_TYPE_LEVEL_LOW>;\n+\n+ vinl1s-supply = <&buck8m>;\n+ vinl2s-supply = <&buck6s>;\n+\n+ regulators {\n+ buckd {\n+ regulator-name = \"vcc_ufs\";\n+ regulator-ramp-delay = <6250>;\n+ enable-gpios = <&gpp0 1 GPIO_ACTIVE_HIGH>;\n+ samsung,ext-control = <S2MPG11_EXTCTRL_UFS_EN>;\n+ };\n+ };\n+ };\n };\n", "prefixes": [ "v8" ] }