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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Hi Diederik, On 10/8/24 13:15, Diederik de Haas wrote: > The "rockchip-inno-csi-dphy.yaml" binding requires the power-domains > property. According to RK3568 TRM Part 1 section 7.3 (page 475) the > CSIHOST is placed in the PD_VI power domain. > So set the csi_dphy node power-domains property accordingly. Thanks for the patch. However, I am not sure about this one. The CSI host sure is in this power domain, but we are talking about the CSI PHY here, right? According to the table CSIPHY is part of the power domain "ALIVE", which leads me to believe that the power domain is not necessary here. However, I guess you could put "RK3568_PD_LOGIC_ALIVE" here. It should be noted, though, that I still haven't figured out what the role of this CSI host actually is. I know that the RK3568 ISP has its own MIPI CSI host controller within its register space. But I can only guess right now that this CSI host is somehow linked to the RK3568 VICAP, which is also capable of receiving MIPI CSI. Maybe we can leave this up to however brings up the RK3568 VICAP MIPI CSI feature :-) Best regards, Michael > > Fixes: b6c228401b25 ("arm64: dts: rockchip: add csi dphy node to rk356x") > Signed-off-by: Diederik de Haas > --- > changes in v2: > - No change > > arch/arm64/boot/dts/rockchip/rk356x.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi > index 0ee0ada6f0ab..d581170914f9 100644 > --- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi > +++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi > @@ -1790,6 +1790,7 @@ csi_dphy: phy@fe870000 { > clocks = <&cru PCLK_MIPICSIPHY>; > clock-names = "pclk"; > #phy-cells = <0>; > + power-domains = <&power RK3568_PD_VI>; > resets = <&cru SRST_P_MIPICSIPHY>; > reset-names = "apb"; > rockchip,grf = <&grf>; _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip