linux-kernel - [PATCH v2 0/7] phy: rockchip: phy-rockchip-inno-csidphy: add support for rk3588 variant

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Message-Id: <20250616-rk3588-csi-dphy-v2-0-7a94f079b712@collabora.com>
Date: Tue, 19 Aug 2025 01:00:34 +0200
From: Michael Riesch via B4 Relay <devnull+michael.riesch.collabora.com@...nel.org>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>, 
 Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>, 
 Philipp Zabel <p.zabel@...gutronix.de>, 
 Kever Yang <kever.yang@...k-chips.com>, 
 Jagan Teki <jagan@...rulasolutions.com>, 
 Sebastian Reichel <sebastian.reichel@...labora.com>, 
 Diederik de Haas <didi.debian@...ow.org>, 
 Neil Armstrong <neil.armstrong@...aro.org>, 
 Heiko Stuebner <heiko@...ech.de>, 
 Collabora Kernel Team <kernel@...labora.com>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 linux-phy@...ts.infradead.org, 
 Michael Riesch <michael.riesch@...labora.com>, stable@...nel.org
Subject: [PATCH v2 0/7] phy: rockchip: phy-rockchip-inno-csidphy: add
 support for rk3588 variant

Habidere,

The Rockchip RK3588 features two MIPI CSI-2 DPHYs (not to be confused with
the two combo MIPI DSI/CSI CPHY/DPHY blocks). The CSI-2 DPHYs can be
supported using the existing phy-rockchip-inno-csidphy driver, the notable
differences being
 - the control bits in the GRF
 - the additional reset line
This patch series adds support for this variant.

As you may have guessed, this is part of the efforts to bring the support
for the RK3588 Video Capture (VICAP) unit mainline.

Looking forward to your comments!

Signed-off-by: Michael Riesch <michael.riesch@...labora.com>
---
Changes in v2:
- rebased onto v6.17-rc1
- added patch that makes 'power-domains' non-required (Diederik)
- added patch that allows for different sets of resets (Neil)
- introduced name for additional reset line (Neil)
- fixed example in bindings (Rob, Diederik)
- Link to v1: https://lore.kernel.org/r/20250616-rk3588-csi-dphy-v1-0-84eb3b2a736c@collabora.com

---
Michael Riesch (7):
      dt-bindings: soc: rockchip: add rk3588 csidphy grf syscon
      dt-bindings: phy: rockchip-inno-csi-dphy: make power-domains non-required
      dt-bindings: phy: rockchip-inno-csi-dphy: add rk3588 variant
      phy: rockchip: phy-rockchip-inno-csidphy: allow writes to grf register 0
      phy: rockchip: phy-rockchip-inno-csidphy: allow for different reset lines
      phy: rockchip: phy-rockchip-inno-csidphy: add support for rk3588 variant
      arm64: dts: rockchip: add mipi csi-2 dphy nodes to rk3588

 .../bindings/phy/rockchip-inno-csi-dphy.yaml       | 61 ++++++++++++++++++--
 .../devicetree/bindings/soc/rockchip/grf.yaml      |  1 +
 arch/arm64/boot/dts/rockchip/rk3588-base.dtsi      | 33 +++++++++++
 drivers/phy/rockchip/phy-rockchip-inno-csidphy.c   | 67 ++++++++++++++++++++--
 4 files changed, 151 insertions(+), 11 deletions(-)
---
base-commit: 8f5ae30d69d7543eee0d70083daf4de8fe15d585
change-id: 20250616-rk3588-csi-dphy-c9ed2ad4cd9f

Best regards,
-- 
Michael Riesch <michael.riesch@...labora.com>