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gs101: Add support for Display Process Unit (DPU) clocks

From:  Peter Griffin <peter.griffin-AT-linaro.org>
To:  AndrĂ© Draszik <andre.draszik-AT-linaro.org>, Tudor Ambarus <tudor.ambarus-AT-linaro.org>, Michael Turquette <mturquette-AT-baylibre.com>, Stephen Boyd <sboyd-AT-kernel.org>, Rob Herring <robh-AT-kernel.org>, Krzysztof Kozlowski <krzk+dt-AT-kernel.org>, Conor Dooley <conor+dt-AT-kernel.org>, Alim Akhtar <alim.akhtar-AT-samsung.com>, Sylwester Nawrocki <s.nawrocki-AT-samsung.com>, Chanwoo Choi <cw00.choi-AT-samsung.com>
Subject:  [PATCH v2 0/5] gs101: Add support for Display Process Unit (DPU) clocks
Date:  Mon, 12 Jan 2026 14:16:47 +0000
Message-ID:  <20260112-dpu-clocks-v2-0-bd00903fdeb9@linaro.org>
Cc:  linux-arm-kernel-AT-lists.infradead.org, linux-samsung-soc-AT-vger.kernel.org, linux-clk-AT-vger.kernel.org, devicetree-AT-vger.kernel.org, linux-kernel-AT-vger.kernel.org, Krzysztof Kozlowski <krzk-AT-kernel.org>, kernel-team-AT-android.com, Will McVicker <willmcvicker-AT-google.com>, Juan Yescas <jyescas-AT-google.com>, Doug Anderson <dianders-AT-google.com>, Peter Griffin <peter.griffin-AT-linaro.org>
Archive-link:  Article

Hi folks,

This series adds support for the Display Process Unit (DPU) Clock
Management Unit (CMU) aka CMU_DPU found on gs101. These will be used for
the IOMMU and display enablement.

As all the patches will go via Krzysztof tree it has been sent as one
series.

regards,

Peter.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
---
Changes in v2:
- Fix alphanumeric ordering (Krzysztof)
- Update gout_dpu_dpu_pclk to gout_dpu_gpc_dpu_pclk (Peter)
- Fix dout_dpu_busp parent (Peter)
- Rebased onto next-20260109
- Link to v1: https://lore.kernel.org/r/20251120-dpu-clocks-v1-0-115080...

---
Peter Griffin (5):
      dt-bindings: clock: google,gs101-clock: fix alphanumeric ordering
      dt-bindings: clock: google,gs101-clock: Add DPU clock management unit
      dt-bindings: samsung: exynos-sysreg: add gs101 dpu compatible
      clk: samsung: gs101: add support for Display Process Unit (DPU) clocks
      arm64: dts: exynos: gs101: add cmu_dpu and sysreg_dpu dt nodes

 .../bindings/clock/google,gs101-clock.yaml         |  25 +-
 .../soc/samsung/samsung,exynos-sysreg.yaml         |   2 +
 arch/arm64/boot/dts/exynos/google/gs101.dtsi       |  17 ++
 drivers/clk/samsung/clk-gs101.c                    | 283 +++++++++++++++++++++
 include/dt-bindings/clock/google,gs101.h           |  36 +++
 5 files changed, 360 insertions(+), 3 deletions(-)
---
base-commit: f417b7ffcbef7d76b0d8860518f50dae0e7e5eda
change-id: 20251120-dpu-clocks-7b825d05807a

Best regards,
-- 
Peter Griffin <peter.griffin@linaro.org>




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