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Message-Id: <20250627-exynos7870-drm-dts-v2-0-d4a59207390d@disroot.org>
Date: Fri, 27 Jun 2025 01:43:23 +0530
From: Kaustabh Chakraborty <kauschluss@...root.org>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>
Cc: Krzysztof Kozlowski <krzk@...nel.org>, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org,
linux-kernel@...r.kernel.org, Kaustabh Chakraborty <kauschluss@...root.org>
Subject: [PATCH v2 0/6] Support for Exynos7870's display stack (DECON,
MIPIPHY, DSIM, etc.)
Exynos7870 has a IP subsystem in its architecture dedicated to display
management. Notably, this block includes the Display Enhancement
Controller (DECON), and the DSI Master (DSIM).
The following series and its sub-series implement all components for a
functioning display pipeline. All vital information which helped shaping
up the patches have been retrieved from Exynos7870 vendor kernel sources
as provided by Samsung.
Testing has been done on all three devices available upstream, i.e.
Samsung Galaxy J7 Prime (samsung-on7xelte), Samsung Galaxy A2 Core
(samsung-a2corelte), and Samsung Galaxy J6 (samsung-j6lte). Regrettably,
I've only been able to test the functionality on video mode, as none of
the devices have panels working in command mode.
This series implements changes in the SoC subsystem, which includes
devicetree additions. It depends on all sub-series listed below:
(Legend: [R]eviewed, [A]ccepted)
exynosdrm-decon - https://lore.kernel.org/r/20250627-exynosdrm-decon-v3-0-5b456f88cfea@disroot.org
exynos7870-mipi-phy A https://lore.kernel.org/r/20250612-exynos7870-mipi-phy-v1-0-3fff0b62d9d3@disroot.org
exynos7870-mipi-phy-fix - https://lore.kernel.org/r/20250627-exynos7870-mipi-phy-fix-v1-0-2eefab8b50df@disroot.org
exynos7870-dsim - https://lore.kernel.org/r/20250627-exynos7870-dsim-v2-0-1433b67378d3@disroot.org
panel-samsung-s6e8aa5x01 - https://lore.kernel.org/r/20250625-panel-samsung-s6e8aa5x01-v3-0-9a1494fe6c50@disroot.org
panel-synaptics-tddi - https://lore.kernel.org/r/20250625-panel-synaptics-tddi-v2-0-7a62ab1d13c7@disroot.org
Signed-off-by: Kaustabh Chakraborty <kauschluss@...root.org>
---
Changes in v2:
- modified compatible hierarchy to use non-deprecated syntax (krzk)
- fixed subject prefixes of [v1 2/5], [v1 3/5], [v1 4/5], [v1 5/5] (krzk)
- removed simplefb nodes instead of disabling it (krzk)
- added dt-bindings patch to allow mipi-phy node under PMU
- changed clock names of dsim node
- Link to v1: https://lore.kernel.org/r/20250612-exynos7870-drm-dts-v1-0-88c0779af6cb@disroot.org
---
Kaustabh Chakraborty (6):
dt-bindings: samsung: exynos-sysreg: add exynos7870 sysregs
dt-bindings: soc: samsung: exynos-pmu: allow mipi-phy subnode
arm64: dts: exynos7870: add DSI support
arm64: dts: exynos7870-on7xelte: enable display panel support
arm64: dts: exynos7870-a2corelte: enable display panel support
arm64: dts: exynos7870-j6lte: enable display panel support
.../bindings/soc/samsung/exynos-pmu.yaml | 1 +
.../soc/samsung/samsung,exynos-sysreg.yaml | 2 +
.../arm64/boot/dts/exynos/exynos7870-a2corelte.dts | 52 +++++++++----
arch/arm64/boot/dts/exynos/exynos7870-j6lte.dts | 49 ++++++++----
arch/arm64/boot/dts/exynos/exynos7870-on7xelte.dts | 51 ++++++++----
arch/arm64/boot/dts/exynos/exynos7870.dtsi | 90 ++++++++++++++++++++++
6 files changed, 206 insertions(+), 39 deletions(-)
---
base-commit: 1b152eeca84a02bdb648f16b82ef3394007a9dcf
change-id: 20250523-exynos7870-drm-dts-87ccab731ba9
Best regards,
--
Kaustabh Chakraborty <kauschluss@...root.org>
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