Re: [PATCH 2/3] ARM: sunxi: Add an ahci-platform compatible AHCIdriver for the Allwinner SUNXi series of SoCs

From: Mark Rutland
Date: Wed Dec 04 2013 - 07:26:25 EST


On Wed, Dec 04, 2013 at 12:10:54PM +0000, oliver@xxxxxxxxxxx wrote:
> From: Oliver Schinagl <oliver@xxxxxxxxxxx>
>
> This patch adds support for the sunxi series of SoC's by allwinner. It
> plugs into the ahci-platform framework.
>
> Note: Currently it uses a somewhat hackish approach that probably needs
> a lot more work, but does the same as the IMX SoC's.
>
> Signed-off-by: Olliver Schinagl <oliver@xxxxxxxxxxx>
> ---
> .../devicetree/bindings/ata/ahci-sunxi.txt | 24 ++
> drivers/ata/Kconfig | 9 +
> drivers/ata/Makefile | 1 +
> drivers/ata/ahci_platform.c | 12 +
> drivers/ata/ahci_sunxi.c | 305 +++++++++++++++++++++
> 5 files changed, 351 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/ata/ahci-sunxi.txt
> create mode 100644 drivers/ata/ahci_sunxi.c
>
> diff --git a/Documentation/devicetree/bindings/ata/ahci-sunxi.txt b/Documentation/devicetree/bindings/ata/ahci-sunxi.txt
> new file mode 100644
> index 0000000..0792fa5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/ata/ahci-sunxi.txt
> @@ -0,0 +1,24 @@
> +Allwinner SUNXI AHCI SATA Controller
> +
> +SATA nodes are defined to describe on-chip Serial ATA controllers.
> +Each SATA controller should have its own node.
> +
> +Required properties:
> +- compatible : compatible list, contains "allwinner,sun4i-a10-ahci"

- compatible: Should contain "allwinner,sun4i-a10-ahci"

> +- reg : <registers mapping>

- reg: The offset and length of the MMIO registers.

> +- interrupts : <interrupt mapping for AHCI IRQ>

- interrupts: An interrupt-specifier for the ACHI interrupt

> +- clocks : clocks for ACHI
> +- clock-names : clock names for AHCI

Please _define_ the set of clock-names you expect. This binding is
meaningless without it. If you require clock-names, define the clocks
property in terms of it.

Thanks,
Mark.
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