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Message-ID: <20241201174639.742000-1-dario.binacchi@amarulasolutions.com> Date: Sun, 1 Dec 2024 18:46:00 +0100 From: Dario Binacchi <dario.binacchi@...rulasolutions.com> To: linux-kernel@...r.kernel.org Cc: linux-amarula@...rulasolutions.com, Dario Binacchi <dario.binacchi@...rulasolutions.com>, Abel Vesa <abelvesa@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Fabio Estevam <festevam@...il.com>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Michael Turquette <mturquette@...libre.com>, Peng Fan <peng.fan@....com>, Pengutronix Kernel Team <kernel@...gutronix.de>, Rob Herring <robh@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, Shawn Guo <shawnguo@...nel.org>, Stephen Boyd <sboyd@...nel.org>, devicetree@...r.kernel.org, imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org Subject: [PATCH v4 00/18] Support spread spectrum clocking for i.MX8N PLLs The series adds support for spread spectrum clocking for i.MX8MN PLLs (audio, video and DRAM). It has been tested for the video PLL on a board using i.MX8MN. The patches added in version 4, such as the dt-bindings and the driver for anatop, were inspired by the extensive email exchange from version 3: https://lore.kernel.org/imx/20241106090549.3684963-1-dario.binacchi@amarulasolutions.com/ The series added spectrum spread support for the imx8mn platform only, but in case it was merged, confirming that the directives and suggestions made by the maintainers were correctly understood and implemented, I will extend this support to the imx8mm and imx8mp platforms as well. (no changes since v1) Dario Binacchi (18): clk: imx8mm: rename video_pll1 to video_pll clk: imx8mp: rename video_pll1 to video_pll dt-bindings: clock: imx8m-anatop: define clocks/clock-names arm64: dts: imx8mm: add anatop clocks arm64: dts: imx8mn: add anatop clocks arm64: dts: imx8mp: add anatop clocks arm64: dts: imx8mq: add anatop clocks dt-bindings: clock: imx8mm: add binding definitions for anatop dt-bindings: clock: imx8mn: add binding definitions for anatop dt-bindings: clock: imx8mp: add binding definitions for anatop clk: imx: add hw API imx8m_anatop_get_clk_hw clk: imx: add support for i.MX8MN anatop clock driver dt-bindings: clock: imx8m-clock: support spread spectrum clocking arm64: dts: imx8mm: add PLLs to clock controller module (ccm) arm64: dts: imx8mn: add PLLs to clock controller module (ccm) arm64: dts: imx8mp: add PLLs to clock controller module (ccm) clk: imx: pll14xx: support spread spectrum clock generation clk: imx8mn: support spread spectrum clock generation .../bindings/clock/fsl,imx8m-anatop.yaml | 53 +++- .../bindings/clock/imx8m-clock.yaml | 77 ++++- arch/arm64/boot/dts/freescale/imx8mm.dtsi | 11 +- arch/arm64/boot/dts/freescale/imx8mn.dtsi | 11 +- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 11 +- arch/arm64/boot/dts/freescale/imx8mq.dtsi | 2 + drivers/clk/imx/Makefile | 2 +- drivers/clk/imx/clk-imx8mm.c | 102 +++---- drivers/clk/imx/clk-imx8mn-anatop.c | 281 ++++++++++++++++++ drivers/clk/imx/clk-imx8mn.c | 188 ++++++------ drivers/clk/imx/clk-imx8mp.c | 118 ++++---- drivers/clk/imx/clk-pll14xx.c | 127 ++++++++ drivers/clk/imx/clk.c | 26 ++ drivers/clk/imx/clk.h | 22 ++ include/dt-bindings/clock/imx8mm-clock.h | 78 ++++- include/dt-bindings/clock/imx8mn-clock.h | 67 +++++ include/dt-bindings/clock/imx8mp-clock.h | 79 ++++- 17 files changed, 1022 insertions(+), 233 deletions(-) create mode 100644 drivers/clk/imx/clk-imx8mn-anatop.c -- 2.43.0
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