linux-kernel - [PATCH v2 0/7] Add DSI support for RK3128

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Date: Thu,  9 May 2024 14:07:08 +0200
From: Alex Bee <knaerzche@...il.com>
To: Sandy Huang <hjc@...k-chips.com>,
	Heiko Stübner <heiko@...ech.de>,
	Andy Yan <andy.yan@...k-chips.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Daniel Vetter <daniel@...ll.ch>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>
Cc: dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-clk@...r.kernel.org,
	Alex Bee <knaerzche@...il.com>
Subject: [PATCH v2 0/7] Add DSI support for RK3128

This series aims to add support for the DesignWare MIPI DSI controller and
the Innoslicon D-PHY found in RK3128 SoCs. The code additions are rather
tiny: It only need some code in the Rockchip dw-mipi-dsi glue layer for
this SoC, add support for an additional clock and do some changes in the
SoC's clock driver. Support for the phy was already added when the
Innosilicon D-PHY driver was initially submitted. I tested it with a
800x1280 DSI panel where all 4 lanes that are supported are used.

changes in v2:
  To improve power-efficiency when the DSI controller is not in use, I
  dropped the patch which made hclk_vio_h2p a critical clock and instead
  added support for an AHB clock to the DSI controller driver and updated
  the bindings and the addition to the SoC DT accordingly.

Link to v1:
https://lore.kernel.org/linux-kernel/20240506194343.282119-1-knaerzche@gmail.com/

Please see individual patches for details about the changes.

Alex Bee (7):
  dt-bindings: display: rockchip,dw-mipi-dsi: Document RK3128 DSI
  dt-bindings: clock: rk3128: Add PCLK_MIPIPHY
  clk: rockchip: rk3128: Export PCLK_MIPIPHY
  drm/rockchip: dsi: Support optional AHB clock
  drm/rockchip: dsi: Add support for RK3128
  ARM: dts: rockchip: Add D-PHY for RK3128
  ARM: dts: rockchip: Add DSI for RK3128

 .../rockchip/rockchip,dw-mipi-dsi.yaml        | 25 +++++++++-
 arch/arm/boot/dts/rockchip/rk3128.dtsi        | 50 +++++++++++++++++++
 drivers/clk/rockchip/clk-rk3128.c             |  2 +-
 .../gpu/drm/rockchip/dw-mipi-dsi-rockchip.c   | 45 +++++++++++++++++
 include/dt-bindings/clock/rk3128-cru.h        |  1 +
 5 files changed, 121 insertions(+), 2 deletions(-)

-- 
2.43.2