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Date: Thu, 27 Jun 2024 12:24:31 +0200 From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> To: Lee Jones <lee@...nel.org> Cc: Orson Zhai <orsonzhai@...il.com>, Baolin Wang <baolin.wang@...ux.alibaba.com>, Chunyan Zhang <zhang.lyra@...il.com>, Jacky Huang <ychuang3@...oton.com>, Shan-Chun Hung <schung@...oton.com>, Khuong Dinh <khuong@...amperecomputing.com>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Chuanhua Lei <lchuanhua@...linear.com>, Rahul Tanwar <rtanwar@...linear.com>, Lars Povlsen <lars.povlsen@...rochip.com>, Steen Hegelund <Steen.Hegelund@...rochip.com>, Daniel Machon <daniel.machon@...rochip.com>, UNGLinuxDriver@...rochip.com, Nishanth Menon <nm@...com>, Matthias Brugger <matthias.bgg@...il.com>, AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, Jiaxun Yang <jiaxun.yang@...goat.com>, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, Conor Dooley <conor.dooley@...rochip.com>, Rahul Tanwar <rahul.tanwar@...ux.intel.com>, Amireddy Mallikarjuna reddy <mallikarjunax.reddy@...el.com>, "Zhu, Yi Xin" <Yixin.zhu@...el.com>, Maxime Ripard <mripard@...nel.org> Subject: Re: [PATCH v3 0/7] dt-bindings: mfd: syscon: Document more compatibles and require simpe-mfd description On 27/06/2024 10:18, Lee Jones wrote: > On Wed, 26 Jun 2024, Krzysztof Kozlowski wrote: > >> Hi, >> >> Dependency >> ========== >> Rebased on Lee's MFD tree, because dependency is there already: >> https://lore.kernel.org/all/171828959006.2643902.8308227314531523435.b4-ty@kernel.org/ >> >> Merging >> ======= >> Preferrably everything via MFD tree (file/context dependencies). >> >> Changes in v3 >> ============= >> - Add tags >> - intel,lgm-syscon: change maintainers (email bounce) >> - syscon/Split: drop unneeded |, use const instead of enum in select: >> - Link to v2: https://lore.kernel.org/r/20240616-dt-bindings-mfd-syscon-split-v2-0-571b5850174a@linaro.org >> >> Changes in v2 >> ============= >> - Add acks >> - lgm-syscon: add ranges to binding and example >> - syscon.yaml: add big select with all compatibles for older dtschema >> - Link to v1: https://lore.kernel.org/r/20240519-dt-bindings-mfd-syscon-split-v1-0-aaf996e2313a@linaro.org >> >> Description/problem >> =================== >> Simple syscon nodes can be documented in common syscon.yaml, however >> devices with simple-mfd compatible, thus some children, should have >> their own schema listing these children. Such listing makes the binding >> specific, allows better validation (so the incorrect child would not >> appear in the simple-mfd node) and actually enforces repeated rule for >> simple-mfd devices: >> >> "simple-mfd" is only for simple devices, where the children do not >> depend on the parent. >> >> Currently the syscon+simple-mfd binding is quite broad and allows >> any child or property, thus above rule cannot be enforced. >> >> Solution >> ======== >> 1. Split the syscon.yaml binding into common syscon properties, used >> potentially by many bindings, and only simple syscon devices (NO >> simple-mfd!). >> 2. Move some known simple-mfd bindings from syscon.yaml to dedicated >> files. >> >> This patchset might introduce new dtbs_check warnings for devices having >> simple-mfd and being part of syscon.yaml previously. I fixed some of >> them, but probably not all. >> >> Best regards, >> Krzysztof >> >> To: Lee Jones <lee@...nel.org> >> To: Rob Herring <robh@...nel.org> >> To: Krzysztof Kozlowski <krzk+dt@...nel.org> >> To: Conor Dooley <conor+dt@...nel.org> >> To: Lars Povlsen <lars.povlsen@...rochip.com> >> To: Steen Hegelund <Steen.Hegelund@...rochip.com> >> To: Daniel Machon <daniel.machon@...rochip.com> >> To: UNGLinuxDriver@...rochip.com >> To: Nishanth Menon <nm@...com> >> To: Matthias Brugger <matthias.bgg@...il.com> >> To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com> >> Cc: devicetree@...r.kernel.org >> Cc: linux-kernel@...r.kernel.org >> Cc: linux-arm-kernel@...ts.infradead.org >> Cc: linux-mediatek@...ts.infradead.org >> >> --- >> Krzysztof Kozlowski (7): >> dt-bindings: mfd: syscon: Drop hwlocks >> dt-bindings: soc: sprd: sc9863a-glbregs: Document SC9863A syscon >> dt-bindings: soc: intel: lgm-syscon: Move to dedicated schema >> dt-bindings: soc: microchip: sparx5-cpu-syscon: Move to dedicated schema >> dt-bindings: soc: ti: am654-serdes-ctrl: Move to dedicated schema >> dt-bindings: mfd: syscon: Split and enforce documenting MFD children >> dt-bindings: mfd: syscon: Add APM poweroff mailbox >> >> .../devicetree/bindings/mfd/syscon-common.yaml | 71 +++++ >> Documentation/devicetree/bindings/mfd/syscon.yaml | 306 ++++++++++++--------- >> .../bindings/soc/intel/intel,lgm-syscon.yaml | 57 ++++ >> .../soc/microchip/microchip,sparx5-cpu-syscon.yaml | 49 ++++ >> .../bindings/soc/sprd/sprd,sc9863a-glbregs.yaml | 55 ++++ >> .../bindings/soc/ti/ti,am654-serdes-ctrl.yaml | 42 +++ >> 6 files changed, 457 insertions(+), 123 deletions(-) >> --- >> base-commit: 8dc7c29f608649f3d9eca826e9d4fe4b8a32c472 >> change-id: 20240517-dt-bindings-mfd-syscon-split-37e23996523d > > Okay, I tried to apply these whilst fixing up all the conflicts, but > lost the will to live. Please rebase and [RESEND]. This was based on your for-next 8dc7c29f608649f3d9ec "mfd: lm3533: Move to new GPIO descriptor-based APIs". I'll rebase. > Best regards, Krzysztof
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