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Date: Sat, 31 Dec 2022 11:47:25 +0100
From: Dario Binacchi <dario.binacchi@...rulasolutions.com>
To: linux-kernel@...r.kernel.org
Cc: tommaso.merciai@...rulasolutions.com,
linux-amarula@...rulasolutions.com,
Chen-Yu Tsai <wenst@...omium.org>, jagan@...rulasolutions.com,
angelo@...rulasolutions.com, anthony@...rulasolutions.com,
michael@...rulasolutions.com,
Dario Binacchi <dario.binacchi@...rulasolutions.com>,
Abel Vesa <abelvesa@...nel.org>,
Adam Ford <aford173@...il.com>,
Fabio Estevam <festevam@...il.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Li Jun <jun.li@....com>, Lucas Stach <l.stach@...gutronix.de>,
Marek Vasut <marex@...x.de>,
Markus Niebel <Markus.Niebel@...tq-group.com>,
Michael Turquette <mturquette@...libre.com>,
NXP Linux Team <linux-imx@....com>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Rob Herring <robh+dt@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Shawn Guo <shawnguo@...nel.org>,
Stephen Boyd <sboyd@...nel.org>, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org
Subject: [RFC PATCH 00/11] clk: imx8mn: setup clocks from the device tree
The idea for this series was born back from Dublin (ELCE 2022) after
having attended the talk entitled "Updating and Modernizing Clock
Drivers" held by Chen-Yu Tsai and the availability of a board with
imx8mn SOC.
This series aims to setup all imx8mn's clocks from the device tree and
remove the legacy setup code with hardwired parameters.
I am well aware that the series lacks patches for the DT bindings. The
effort up to this point has been important and so I thought I'd ask for
feedback from the community before proceeding to implement them. If it
is positive I will add the DT binding patches starting from version 2.
The series has been tested on the BSH SystemMaster (SMM) S2 board:
https://www.apertis.org/reference_hardware/imx8mn_bsh_smm_s2pro_setup
Dario Binacchi (11):
clk: imx: add structure to extend register accesses
clk: imx: add clk_hw based API imx_get_clk_hw_from_dt()
clk: imx8mn: add gate driver
clk: imx8mn: add mux driver
clk: imx8mn: add divider driver
clk: imx: pll14xx: add device tree support
clk: imx: composite-8m: add device tree support
clk: imx: gate2: add device tree support
clk: imx: cpu: add device tree support
arm64: dts: imx8mn: add dumy clock
arm64: dts: imx8mn: add clocks description
.../boot/dts/freescale/imx8mn-clocks.dtsi | 1885 +++++++++++++++++
arch/arm64/boot/dts/freescale/imx8mn.dtsi | 51 +-
drivers/clk/imx/Makefile | 3 +
drivers/clk/imx/clk-composite-8m.c | 83 +
drivers/clk/imx/clk-cpu.c | 54 +
drivers/clk/imx/clk-divider.c | 235 ++
drivers/clk/imx/clk-gate.c | 156 ++
drivers/clk/imx/clk-gate2.c | 86 +
drivers/clk/imx/clk-imx8mn.c | 716 ++-----
drivers/clk/imx/clk-mux.c | 258 +++
drivers/clk/imx/clk-pll14xx.c | 220 +-
drivers/clk/imx/clk.c | 21 +
drivers/clk/imx/clk.h | 15 +
13 files changed, 3176 insertions(+), 607 deletions(-)
create mode 100644 arch/arm64/boot/dts/freescale/imx8mn-clocks.dtsi
create mode 100644 drivers/clk/imx/clk-divider.c
create mode 100644 drivers/clk/imx/clk-gate.c
create mode 100644 drivers/clk/imx/clk-mux.c
--
2.32.0
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