Re: [PATCH v2 6/8] ARM: dts: uniphier: Add ahci controller and glue layer nodes for PXs2

From: Arnd Bergmann
Date: Mon Sep 12 2022 - 04:37:48 EST


On Mon, Sep 12, 2022, at 9:15 AM, Kunihiko Hayashi wrote:
> Add ahci controller and glue layer nodes including reset and phy.
> This supports for PXs2 and the boards without PXs2 vodka board that
> doesn't implement any SATA connectors.
>
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx>
> + ahci: ahci@65600000 {
> + compatible = "socionext,uniphier-pxs2-ahci",
> + "generic-ahci";
> + status = "disabled";
> + reg = <0x65600000 0x10000>;
> + interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&sys_clk 28>;
> + resets = <&sys_rst 28>, <&ahci_rst 0>;
> + ports-implemented = <1>;
> + phys = <&ahci_phy>;
> + };
> +
> + ahci-glue@65700000 {
> + compatible = "socionext,uniphier-pxs2-ahci-glue",
> + "simple-mfd";

Here as well, the "ahci-glue" name seems rather unusual for a node
name. What does it actually do, and why is this not just part of
the sata node?

> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0 0x65700000 0x100>;
> +
> + ahci_rst: reset@0 {
> + compatible = "socionext,uniphier-pxs2-ahci-reset";

I think the node name here should be "reset-controller@0".

> +
> + ahci_phy: phy@10 {
> + compatible = "socionext,uniphier-pxs2-ahci-phy";

and "sata-phy@10" here.

Arnd