[PATCH v4 09/13] ARM: dts: sun8i: r40: add sata node

Corentin Labbe
2018-08-31T07:56:31Z

On Fri, Aug 31, 2018 at 09:35:00AM +0200, Maxime Ripard wrote:
> On Thu, Aug 30, 2018 at 09:01:16PM +0200, Corentin Labbe wrote:
> > R40 have a sata controller which is the same as A20.
> > This patch adds a DT node for it.
> >
> > Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> > Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
> > ---
> > arch/arm/boot/dts/sun8i-r40.dtsi | 23 +++++++++++++++++++++++
> > 1 file changed, 23 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
> > index 852c2ccc3268..d6b5820da850 100644
> > --- a/arch/arm/boot/dts/sun8i-r40.dtsi
> > +++ b/arch/arm/boot/dts/sun8i-r40.dtsi
> > @@ -550,6 +550,29 @@
> > #size-cells = <0>;
> > };
> >
> > + ahci: sata at 1c18000 {
> > + compatible = "allwinner,sun8i-r40-ahci";
> > + reg = <0x01c18000 0x1000>;
> > + interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&ccu CLK_BUS_SATA>, <&ccu CLK_SATA>;
> > + resets = <&ccu RST_BUS_SATA>;
> > + resets-name = "ahci";
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + status = "disabled";
> > +
> > + sata_port: sata-port at 0 {
> > + reg = <0>;
> > + phys = <&sata_phy>;
> > + };
> > + };
> > +
> > + sata_phy: sata-phy at 1c180c0 {
> > + compatible = "allwinner,sun8i-r40-sata-phy";
> > + reg = <0x1c180c0 0x200>;
>
> Overlapping devices in the DTS is not ok.
>

I do the same than arch/arm/boot/dts/berlin2.dtsi (sata at e90000 phy at e900a0)
But since it is not a good justification, it seems that regmap is my only solution ?

Regards