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[83.9.29.26]) by smtp.gmail.com with ESMTPSA id a6-20020a056512390600b004f1383d57ecsm4633034lfu.202.2023.07.03.11.15.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Jul 2023 11:15:58 -0700 (PDT) From: Konrad Dybcio Subject: [PATCH v3 0/4] Qualcomm REFGEN regulator Date: Mon, 03 Jul 2023 20:15:53 +0200 Message-Id: <20230628-topic-refgen-v3-0-9fbf0e605d23@linaro.org> MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAFkQo2QC/32Nyw7CIBREf8WwFsOjQHXlfxgXgLctSQMNVKJp+ u/edudCl2cyZ2YhBXKAQi6HhWSooYQUEeTxQPxgYw80PJCJYEIyLVo6pyl4mqHrIVLedI45owX niqDibAHqso1+QCk+xxHDCcvhtX/c7shDKHPK7/2y8i39sV45ZZQLDeqsjARw1zFEm9Mp5Z5sS 1X8swXamkvdtMab1qsve13XD8P2byn8AAAA To: Andy Gross , Bjorn Andersson , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , David Airlie , Daniel Vetter , Krishna Manikandan Cc: Marijn Suijten , Konrad Dybcio , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Konrad Dybcio , Rob Herring X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1688408157; l=1915; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=3ESCbgZ3PrD9wdJUC4E4i1ivhrr8hMCGWLtTU5VEbiE=; b=lVsR+3/ZTGKIrLGUE+kXfNb+uXPVJuPxZnKBT6Vi1scMbUIju2H2BmbC+EPLt8/QOISbRw6xR 0GP4K7edxsvAYyTe+5BUX/I6zfBEYtpiezeRluPx78MvRquvBpGgf0t X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1770425529158621656?= X-GMAIL-MSGID: =?utf-8?q?1770425529158621656?= Recent Qualcomm SoCs have a REFGEN (reference voltage generator) regulator responsible for providing a reference voltage to some on-SoC IPs (like DSI or PHYs). It can be turned off when unused to save power. This series introduces the driver for it and lets the DSI driver consume it. Signed-off-by: Konrad Dybcio --- Changes in v3: - depend on HAS_IOMEM (s390 build failure, meh) - constify regulator_ops - Link to v2: https://lore.kernel.org/r/20230628-topic-refgen-v2-0-6136487c78c5@linaro.org Changes in v2: - Remove "|" from bindings description - fix 'renegator' typo - define number of 'reg' - adjust reg= to size/address-cells = 1 - fix regmap usage - use C++ comments for the header - remove now-unused struct qcom_refgen - use common helpers for sm8250 refgen (simple bit ops) - add missing FIELD_PREPs (small brain forgot regmap_update_bits doesn't do shifting) - pick up tags - Link to v1: https://lore.kernel.org/r/20230628-topic-refgen-v1-0-126e59573eeb@linaro.org --- Konrad Dybcio (4): dt-bindings: regulator: Describe Qualcomm REFGEN regulator regulator: Introduce Qualcomm REFGEN regulator driver dt-bindings: display/msm: dsi-controller-main: Allow refgen-supply drm/msm/dsi: Hook up refgen regulator .../bindings/display/msm/dsi-controller-main.yaml | 4 + .../regulator/qcom,sdm845-refgen-regulator.yaml | 57 ++++++++ drivers/gpu/drm/msm/dsi/dsi_cfg.c | 2 + drivers/regulator/Kconfig | 11 ++ drivers/regulator/Makefile | 1 + drivers/regulator/qcom-refgen-regulator.c | 154 +++++++++++++++++++++ 6 files changed, 229 insertions(+) --- base-commit: 296d53d8f84ce50ffaee7d575487058c8d437335 change-id: 20230628-topic-refgen-14fb0b762115 Best regards,