linux-kernel - [PATCH 0/2] clk: samsung: exynos850: Implement CMU

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Date:   Tue,  9 Nov 2021 18:44:34 +0200
From:   Sam Protsenko <semen.protsenko@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Tomasz Figa <tomasz.figa@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>
Cc:     Sumit Semwal <sumit.semwal@...aro.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Subject: [PATCH 0/2] clk: samsung: exynos850: Implement CMU_CMGP

This series adds CMU_CMGP clock domain to Exynos850 clock driver. In
particular it needs to enable HSI2C (High-Speed I2C) nodes. This series
depends on CMU_APM series [1].

Tested via /sys/kernel/debug/clk/clk_summary:

<<<<<<<<<<<<<<<<<<<<<<<<<<<< cut here >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
                                 enable  prepare  protect
   clock                          count    count    count        rate
---------------------------------------------------------------------

clk_rco_cmgp                         0        0        0    49152000
oscclk                               1        1        0    26000000
    mout_cmgp_adc                    0        0        0    26000000
...
    gout_clkcmu_cmgp_bus             1        1        0   399750000
       gout_cmgp_usi1_pclk           0        0        0   399750000
       gout_cmgp_usi0_pclk           0        0        0   399750000
       gout_gpio_cmgp_pclk           0        0        0   399750000
       dout_cmgp_adc                 0        0        0    28553572
       mout_cmgp_usi1                0        0        0   399750000
          dout_cmgp_usi1             0        0        0   199875000
             gout_cmgp_usi1_ipclk    0        0        0   199875000
       mout_cmgp_usi0                0        0        0   399750000
          dout_cmgp_usi0             0        0        0   199875000
             gout_cmgp_usi0_ipclk    0        0        0   199875000
<<<<<<<<<<<<<<<<<<<<<<<<<<<< cut here >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

[1] https://lkml.org/lkml/2021/10/22/979

Sam Protsenko (2):
  dt-bindings: clock: samsung: Document Exynos850 CMU_CMGP
  clk: samsung: exynos850: Implement CMU_CMGP domain

 .../clock/samsung,exynos850-clock.yaml        |  19 ++++
 drivers/clk/samsung/clk-exynos850.c           | 100 ++++++++++++++++++
 include/dt-bindings/clock/exynos850.h         |  17 +++
 3 files changed, 136 insertions(+)

-- 
2.30.2