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dt-bindings: phy: rockchip-inno-csi-dphy: add rk3576 variant

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The Rockchip RK3576 features two MIPI CSI-2 DPHYs compatible with this
binding. Unlike the RK3588 variant, each PHY instance only has an APB
reset line, so add the new compatible to the single-reset group as
well.

No fallback compatible is used because the RK3576 DPHYs match neither
existing variant: their control bits sit in a dedicated CSI-DPHY GRF as
on RK3588 (rather than in the shared VI GRF used on RK3568), while only
a single APB reset is wired up, as on RK3568. Falling back to
"rockchip,rk3588-csi-dphy" would make the driver request a second,
non-existent reset, and falling back to "rockchip,rk3568-csi-dphy"
would make it write to the wrong GRF offsets, so dedicated match data
is required.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Amin Gattout <amin.gattout@gmail.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Michael Riesch <michael.riesch@collabora.com>
Link: https://patch.msgid.link/20260915-rk3576-dphy-v2-2-b56e68b54b8c@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Amin Gattout 2026-09-15 12:42:47 +02:00 committed by Vinod Koul
parent e9434ed4ef
commit 40c95f0509
1 changed files with 2 additions and 0 deletions
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2
Documentation/devicetree/bindings/phy/rockchip-inno-csi-dphy.yaml
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@ -21,6 +21,7 @@ properties:
- rockchip,rk3326-csi-dphy
- rockchip,rk3368-csi-dphy
- rockchip,rk3568-csi-dphy
- rockchip,rk3576-csi-dphy
- rockchip,rk3588-csi-dphy
reg:
@ -99,6 +100,7 @@ allOf:
- rockchip,rk3326-csi-dphy
- rockchip,rk3368-csi-dphy
- rockchip,rk3568-csi-dphy
- rockchip,rk3576-csi-dphy
then:
properties:
resets: