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[2a02:8440:7149:a758:f461:9bc4:1c75:ebc1]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-40fc5603356sm22122689f8f.30.2025.09.30.01.46.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Sep 2025 01:46:49 -0700 (PDT) From: =?utf-8?q?Cl=C3=A9ment_Le_Goffic?= Subject: [PATCH v8 0/7] Add DDR4 memory-controller bindings and factorise LPDDR and DDR bindings Date: Tue, 30 Sep 2025 10:46:43 +0200 Message-Id: <20250930-b4-ddr-bindings-v8-0-fe4d8c015a50@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-B4-Tracking: v=1; b=H4sIAPOY22gC/3WNQQ6CMBBFr0Jm7ZhSaFFX3sOwoMwAk0hLWkM0h Ltb2bt8L/nvb5A4Cie4FRtEXiVJ8BkupwL6qfMjo1Bm0EobddUaXY1EEZ14Ej8mbEpbcsWqG4y FvFoiD/I+io828yTpFeLnOFibn/3fWhtU6CoirdjU5Ox9nDt5nvswQ7vv+xcaQSS5rgAAAA== X-Change-ID: 20250922-b4-ddr-bindings-7161e3e0af56 To: Krzysztof Kozlowski , Rob Herring , Conor Dooley , Julius Werner , Krzysztof Kozlowski , Maxime Coquelin , Alexandre Torgue Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, =?utf-8?q?Cl=C3=A9ment_Le_Goffic?= , =?utf-8?q?Cl=C3=A9ment_Le_Goffic?= X-Mailer: b4 0.15-dev-0dae4 Introduce DDR4 bindings, which is the first DDR type to be added. As the DDR and LPDDR use the same properties, factorise them in a sdram-props bindings file and rename lpddr-channel into sdram-channel. Changes in v8: - Globally fix typo/grammar in SDRAM props bindings: - DDR4 bindings compatible description: - s/lpddrX,YY,ZZZZ/lpddrX-YY,ZZZZ/ - s/in lower case/lowercase/ - s/statis/static/ - s/~/-/ - Add an "s" where a plural form is used (e.g. registers) in the DDR4 binding revision-id description - Fix the number of chars that an SPD can contain in the part number field. - Link to v7: https://lore.kernel.org/r/20250922-b4-ddr-bindings-v7-0-b3dd20e54db6@gmail.com The v7 is a subset of the v6 and other prior versions, split to simplify the review and merging process. Changes in v7: - None - Link to v6: https://lore.kernel.org/all/20250909-b4-ddrperfm-upstream-v6-5-ce082cc801b5@gmail.com/ Signed-off-by: Clément Le Goffic --- Clément Le Goffic (7): dt-bindings: memory: factorise LPDDR props into SDRAM props dt-bindings: memory: introduce DDR4 dt-bindings: memory: factorise LPDDR channel binding into SDRAM channel dt-binding: memory: add DDR4 channel compatible dt-bindings: memory: SDRAM channel: standardise node name arm64: dts: st: add LPDDR channel to stm32mp257f-dk board arm64: dts: st: add DDR channel to stm32mp257f-ev1 board .../memory-controllers/ddr/jedec,ddr4.yaml | 34 ++++++++ .../memory-controllers/ddr/jedec,lpddr-props.yaml | 74 ----------------- .../memory-controllers/ddr/jedec,lpddr2.yaml | 2 +- .../memory-controllers/ddr/jedec,lpddr3.yaml | 2 +- .../memory-controllers/ddr/jedec,lpddr4.yaml | 2 +- .../memory-controllers/ddr/jedec,lpddr5.yaml | 2 +- ...lpddr-channel.yaml => jedec,sdram-channel.yaml} | 40 ++++++--- .../memory-controllers/ddr/jedec,sdram-props.yaml | 94 ++++++++++++++++++++++ arch/arm64/boot/dts/st/stm32mp257f-dk.dts | 7 ++ arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 7 ++ 10 files changed, 173 insertions(+), 91 deletions(-) --- base-commit: 30d4efb2f5a515a60fe6b0ca85362cbebea21e2f change-id: 20250922-b4-ddr-bindings-7161e3e0af56 Best regards, -- Clément Le Goffic