linux-kernel - [PATCH v4 0/4] clk: samsung: exynos990: CMU

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Message-Id: <20250825-cmu-top-v4-0-71d783680529@gmail.com>
Date: Mon, 25 Aug 2025 05:51:14 +0000
From: Denzeel Oliva <wachiturroxd150@...il.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, 
 Sylwester Nawrocki <s.nawrocki@...sung.com>, 
 Chanwoo Choi <cw00.choi@...sung.com>, Alim Akhtar <alim.akhtar@...sung.com>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-samsung-soc@...r.kernel.org, linux-clk@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, Denzeel Oliva <wachiturroxd150@...il.com>
Subject: [PATCH v4 0/4] clk: samsung: exynos990: CMU_TOP fixes (mux regs,
 widths, factors)

Hi,

Two small fixes for Exynos990 CMU_TOP:

Correct PLL mux register selection (use PLL_CON0), add DPU_BUS and
CMUREF mux/div, and update clock IDs.
Fix mux/div bit widths and replace a few bogus divs with fixed-factor
clocks (HSI1/2 PCIe, USBDP debug); also fix OTP rate.

Changes in v2:

- In the first commit the divratio of
  PLL_SHARED0_DIV3 should not be changed.

Changes in v3:

- There is no ABI massive break, the new ID clocks are
  in the last define CMU_TOP block.

Changes in v4:

- Fix compilation for define CLK_DOUT_CMU_CMUREF to
  CLK_DOUT_CMU_CLK_CMUREF

Please review.

Denzeel Oliva

Signed-off-by: Denzeel Oliva <wachiturroxd150@...il.com>
---
Denzeel Oliva (4):
      clk: samsung: exynos990: Fix CMU TOP mux/div widths and add fixed-factors
      dt-bindings: clock: exynos990: Extend clocks IDs
      clk: samsung: exynos990: update CLK_NR_TOP for new IDs clocks
      clk: samsung: exynos990: Fix PLL mux regs, add DPU/CMUREF

 drivers/clk/samsung/clk-exynos990.c           | 136 ++++++++++++++++----------
 include/dt-bindings/clock/samsung,exynos990.h |   4 +
 2 files changed, 89 insertions(+), 51 deletions(-)
---
base-commit: 0f4c93f7eb861acab537dbe94441817a270537bf
change-id: 20250825-cmu-top-5c709c1d07c2

Best regards,
--  
Denzeel Oliva <wachiturroxd150@...il.com>