From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartosz Golaszewski Subject: =?UTF-8?Q?Re=3A_=5BPATCH_v6_00=2F41=5D_ARM=3A_davinci=3A_convert_to_common?= =?UTF-8?Q?_clock_framework=E2=80=8B?= Date: Mon, 22 Jan 2018 14:29:17 +0100 Message-ID: References: <1516468460-4908-1-git-send-email-david@lechnology.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: <1516468460-4908-1-git-send-email-david@lechnology.com> Sender: linux-kernel-owner@vger.kernel.org To: David Lechner Cc: linux-clk@vger.kernel.org, devicetree , linux-arm-kernel@lists.infradead.org, Michael Turquette , Stephen Boyd , Rob Herring , Mark Rutland , Sekhar Nori , Kevin Hilman , Bartosz Golaszewski , Adam Ford , Linux Kernel Mailing List List-Id: devicetree@vger.kernel.org 2018-01-20 18:13 GMT+01:00 David Lechner : > This series converts mach-davinci to use the common clock framework. > > The series works like this, the first 19 patches create new clock drivers > using the common clock framework. There are basically 3 groups of clocks - > PLL, PSC and CFGCHIP (syscon). There are six different SoCs that each have > unique init data, which is the reason for so many patches. > > Then, starting with "ARM: da830: add new clock init using common clock", > we get the mach code ready for the switch by adding the code needed for > the new clock drivers and adding #ifndef CONFIG_COMMON_CLK around the > legacy clocks so that we can switch easily between the old and the new. > > "ARM: davinci: switch to common clock framework" actually flips the switch > to start using the new clock drivers. Then the next 8 patches remove all > of the old clock code. > > The final three patches add device tree clock support to the one SoC that > supports it. > > v6 changes (also see individual patches for details): > - All of the device tree bindings are changed > - All of the clock drivers are changed significantly > - Fixed issues brought up during review of v5 > - "ARM: davinci: move davinci_clk_init() to init_time" is removed from this > series and submitted separately > > v5 changes: > - Basically, this is an entirely new series > - Patches are broken up into bite-sized pieces > - Converted PSC clock driver to use regmap > - Restored "force" flag for certain DA850 clocks > - Added device tree bindings > - Moved more of the clock init to drivers/clk > - Fixed frequency scaling (maybe*) > > * I have frequency scaling using cpufreq-dt, so I know the clocks are doing > what they need to do to make this work, but I haven't figured out how to > test davinci-cpufreq driver yet. (Patches to make cpufreq-dt work will be > sent separately after this series has landed.) > This driver doesn't have DT support - I suppose it would be useful to add it and also add the corresponding DT node to da850.dtsi. If you're ok with it, I can start working on it. I also have a patch for the i2c cpufreq issue and it would be nice to test it with it. Thanks, Bartosz