linux-kernel - Re: [PATCH 3/4] arm64: dts: rockchip: add rx0 mipi-phy for rk3399

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Date:   Thu, 02 Apr 2020 16:49:18 +0200
From:   Heiko Stübner <heiko@...ech.de>
To:     Johan Jonker <jbx6244@...il.com>
Cc:     helen.koike@...labora.com, dafna.hirschfeld@...labora.com,
        devel@...verdev.osuosl.org, devicetree@...r.kernel.org,
        ezequiel@...labora.com, hverkuil-cisco@...all.nl,
        karthik.poduval@...il.com, kernel@...labora.com,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        linux-rockchip@...ts.infradead.org, mark.rutland@....com,
        robh+dt@...nel.org
Subject: Re: [PATCH 3/4] arm64: dts: rockchip: add rx0 mipi-phy for rk3399

Am Donnerstag, 2. April 2020, 16:37:52 CEST schrieb Johan Jonker:
> On 4/2/20 4:31 PM, Heiko Stübner wrote:
> > Am Donnerstag, 2. April 2020, 15:48:02 CEST schrieb Johan Jonker:
> >> Hi Helen,
> >>
> >>> From: Helen Koike <helen.koike@...labora.com>
> >>
> >>> diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> >>> index 33cc21fcf4c10..fc0295d2a65a1 100644
> >>> --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> >>> +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> >>> @@ -1394,6 +1394,17 @@ io_domains: io-domains {
> >>>  			status = "disabled";
> >>>  		};
> >>>  
> >>
> >>> +		mipi_dphy_rx0: mipi-dphy-rx0 {
> >>
> >> For Heiko sort syscon@...70000 subnodes alphabetical or reg value first?
> > 
> > Similar to main nodes ... so things without reg alphabetical,
> > the rest by reg address
> > 
> alphabetical first:
> 
> io-domains
> mipi-dphy-rx0
> usb2-phy@...0

like this ... aka similar to what we do in the core nodes.

For the record, pinctrl at the bottom of a soc.dtsi is ok.


Heiko

> .@..
> 
> or
> 
> with reg values first:
> 
> .@..
> emmc_phy: phy@...0
> mipi-dphy-rx0
> pcie-phy
> 
> > 
> >>
> >>> +			compatible = "rockchip,rk3399-mipi-dphy-rx0";
> >>> +			clocks = <&cru SCLK_MIPIDPHY_REF>,
> >>
> >>> +				<&cru SCLK_DPHY_RX0_CFG>,
> >>> +				<&cru PCLK_VIO_GRF>;
> >>
> >> Align                            ^
> >>
> >>> +			clock-names = "dphy-ref", "dphy-cfg", "grf";
> >>> +			power-domains = <&power RK3399_PD_VIO>;
> >>> +			#phy-cells = <0>;
> >>> +			status = "disabled";
> >>> +		};
> >>> +
> >>>  		u2phy0: usb2-phy@...0 {
> >>>  			compatible = "rockchip,rk3399-usb2phy";
> >>>  			reg = <0xe450 0x10>;
> >>
> >>
> > 
> > 
> > 
> > 
> 
>