linux-kernel - [PATCH v3 0/3] HSI2 support for Google Tensor gs101

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Date: Mon, 29 Apr 2024 14:02:16 +0100
From: André Draszik <andre.draszik@...aro.org>
To: Peter Griffin <peter.griffin@...aro.org>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>, 
 Krzysztof Kozlowski <krzk@...nel.org>, 
 Sylwester Nawrocki <s.nawrocki@...sung.com>, 
 Chanwoo Choi <cw00.choi@...sung.com>
Cc: Tudor Ambarus <tudor.ambarus@...aro.org>, 
 Will McVicker <willmcvicker@...gle.com>, kernel-team@...roid.com, 
 linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, 
 linux-clk@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 André Draszik <andre.draszik@...aro.org>
Subject: [PATCH v3 0/3] HSI2 support for Google Tensor gs101

This patch series enables the HSI2 (high speed interfaces) for gs101:

- HSI2 feeds PCIe and UFS

The parts added here have been verified to work OK without the
clk_ignore_unused kernel command line option.

Signed-off-by: André Draszik <andre.draszik@...aro.org>
---
Changes in v3:
- Drop HSI0-related changes as already applied
- s/ufs_embd/ufs and s/mmc_card/mmc (Tudor, Krzysztof)
- collect tags
- drop my own R-b tag, due to SoB
- Link to v2: https://lore.kernel.org/r/20240426-hsi0-gs101-v2-0-2157da8b63e3@linaro.org

Changes in v2:
- My v1 just contained HSI0, but due due to changing similar areas in the
  code, I've also added Peter's HSI2 clock patches from
  https://lore.kernel.org/all/20240423205006.1785138-1-peter.griffin@linaro.org
  to this series so as to preempt any merge conflicts. Namely:
  * hsi2 bindings
  * hsi2 DT
  * hsi2 cmu clock driver
- drop patch 'dt-bindings: clock: google,gs101-clock: add HSI0 clock
  management unit' as already applied
- cometic updates to patch 4: 'clk: samsung: gs101: add support for
  cmu_hsi0' (macro name, a whitespace, subject line)
- Link to v1: https://lore.kernel.org/r/20240423-hsi0-gs101-v1-0-2c3ddb50c720@linaro.org

---
Peter Griffin (3):
      dt-bindings: clock: google,gs101-clock: add HSI2 clock management unit
      arm64: dts: exynos: gs101: enable cmu-hsi2 clock controller
      clk: samsung: gs101: add support for cmu_hsi2

 .../bindings/clock/google,gs101-clock.yaml         |  26 ++
 arch/arm64/boot/dts/exynos/google/gs101.dtsi       |  12 +
 drivers/clk/samsung/clk-gs101.c                    | 507 +++++++++++++++++++++
 include/dt-bindings/clock/google,gs101.h           |  62 +++
 4 files changed, 607 insertions(+)
---
base-commit: b0a2c79c6f3590b74742cbbc76687014d47972d8
change-id: 20240423-hsi0-gs101-aa778361bfaa

Best regards,
-- 
André Draszik <andre.draszik@...aro.org>