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H:AM0PR04MB6434.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: gN2oYHLkf37KAcdh14g8gP4EzbCxF7hyWR4jmtg42lS5mBttH62C26wMF0C6QqIAuHFB/jkUS94AgBIC4hBmvWpWgUwvWPeBmy0vjg5S25qdEVik9iIF1vQsICnShw4wajtazY2QU8zkuylr4wFKGgUgci3dy+2stIqUIp7GWjVjdInSUhN7hqKsAMD5HNxutUGeF/wZYsORcoZS4j4dvTRQF+uBQ2tAxB1jWX2Q1bXPZuowhYdKW+rrS9BKqFntrOsUVJHx4u6y3jr4XUYrc/9UX3KcwO+pFC0zomnKFwrvOILX399Tox8eYsEZP+ntyMaHvxLA9TUFQfUSc4MwLUYS3vAQhrp1rXH3zjwh+TNDPJfMouAfMdmi/iCUIdCnokhUDi4Wxer6NJW7ma2mWhC8h9I0IynGr/sZmka9CS4= Content-ID: <13C41D9609273F49A77AE0DA0AB8AA6B@eurprd04.prod.outlook.com> MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: c118f5d9-fc81-42ec-7f23-08d6d7925e81 X-MS-Exchange-CrossTenant-originalarrivaltime: 13 May 2019 11:01:37.2824 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB5138 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190513_040143_343050_A5CC43D5 X-CRM114-Status: GOOD ( 12.17 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Aisheng Dong , Jacky Bai , Anson Huang , "linux-pm@vger.kernel.org" , "Rafael J. Wysocki" , "devicetree@vger.kernel.org" , dl-linux-imx , "kernel@pengutronix.de" , Fabio Estevam , Lucas Stach , "linux-arm-kernel@lists.infradead.org" , Abel Vesa Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Right now in upstream imx8m cpufreq support just lists a common subset of OPPs because the higher ones should only be attempted after checking speed grading in fuses. Driver reads from nvmem and calls dev_pm_opp_set_supported_hw before registering cpufreq-dt. Changes since v3: * Drop default m entirely (Viresh) Link to v3: https://patchwork.kernel.org/project/linux-arm-kernel/list/?series=114685 Changes since v2: * Minor reformatting in Kconfig (Viresh) * Open-code imx_cpufreq_dt_match_node (Viresh) * Add mkt_segment bits to supported_hw and update .dtsi to match after reviewing latest datasheets. * Add devicetree list (keep forgetting dts needs to be reviewed) Link to v2: https://patchwork.kernel.org/project/linux-arm-kernel/list/?series=113163 Link to v1 (RFC): https://patchwork.kernel.org/patch/10916769/ Driver is built as a module. It depends on nvmem-imx which can also be a module. I never noticed anything wrong with going above the fused speed grading however it's technically unsafe so the cpufreq code changes should go in before DT changes. Leonard Crestez (5): cpufreq: Add imx-cpufreq-dt driver dt-bindings: imx-cpufreq-dt: Document opp-supported-hw usage arm64: dts: imx8mm: Add cpu speed grading and all OPPs arm64: dts: imx8mq: Add cpu speed grading and all OPPs arm64: defconfig: ARM_IMX_CPUFREQ_DT=m .../bindings/cpufreq/imx-cpufreq-dt.txt | 37 +++++++ arch/arm64/boot/dts/freescale/imx8mm.dtsi | 17 +++- arch/arm64/boot/dts/freescale/imx8mq.dtsi | 26 ++++- arch/arm64/configs/defconfig | 1 + drivers/cpufreq/Kconfig.arm | 9 ++ drivers/cpufreq/Makefile | 1 + drivers/cpufreq/cpufreq-dt-platdev.c | 3 + drivers/cpufreq/imx-cpufreq-dt.c | 96 +++++++++++++++++++ drivers/soc/imx/soc-imx8.c | 3 + 9 files changed, 191 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/cpufreq/imx-cpufreq-dt.txt create mode 100644 drivers/cpufreq/imx-cpufreq-dt.c -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel