linux-kernel - [PATCH 0/3] Add phy support for hibern8 enter & exit on gs101

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Message-ID: <20241002201555.3332138-1-peter.griffin@linaro.org>
Date: Wed,  2 Oct 2024 21:15:52 +0100
From: Peter Griffin <peter.griffin@...aro.org>
To: vkoul@...nel.org,
	kishon@...nel.org,
	krzysztof.kozlowski@...aro.org,
	alim.akhtar@...sung.com
Cc: tudor.ambarus@...aro.org,
	andre.draszik@...aro.org,
	kernel-team@...roid.com,
	willmcvicker@...gle.com,
	linux-phy@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	Peter Griffin <peter.griffin@...aro.org>
Subject: [PATCH 0/3]  Add phy support for hibern8 enter & exit on gs101

Hi Vinod,

This series adds two new phy modes to support UFS HIBERN8_ENTER and
HIBERN8_EXIT.

This is used for UFS phys that need to program specific values when entering
and exiting from ufs hibern8 state. Once such platform that needs to do this is
gs101 SoC found on Pixel 6.

phy-gs101-ufs is also updated to include these hibern8 enter/exit specific tuning
values.

Note: a separate series will be sent for ufs-exynos driver that makes use of
this new UFS phy functionality.

regards,

Peter

Peter Griffin (3):
  phy: Add UFS phy hibernate modes
  phy: samsung-ufs: add support for HIBERN8_ENTER and HIBERN8_EXIT
  phy: samsung: gs101-ufs: Add hibern8 enter and exit specific tuning
    values

 drivers/phy/samsung/phy-gs101-ufs.c   | 31 ++++++++++++++++++++++++---
 drivers/phy/samsung/phy-samsung-ufs.c | 18 ++++++++++++++--
 drivers/phy/samsung/phy-samsung-ufs.h |  2 ++
 include/linux/phy/phy.h               |  4 +++-
 4 files changed, 49 insertions(+), 6 deletions(-)

-- 
2.46.1.824.gd892dcdcdd-goog