Re: [PATCH 2/2] arm64: dts: ls2080a: fsl-mc dt node updates

From: Shawn Guo
Date: Wed Apr 13 2016 - 01:51:01 EST


On Fri, Apr 01, 2016 at 03:54:40PM -0500, Stuart Yoder wrote:
> From: Stuart Yoder <stuart.yoder@xxxxxxx>
>
> updates to the fsl-mc node for full functionality:
> -msi-parent is needed for interrupt support
> -ranges is needed to enable the bus driver to translate bus addresses
> -dpmac nodes provide a basis for relating dpmac objects to PHYs
>
> Signed-off-by: Stuart Yoder <stuart.yoder@xxxxxxx>
> ---
> arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi | 87 ++++++++++++++++++++++++
> 1 file changed, 87 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
> index 9d746c6..449c635 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
> @@ -265,6 +265,93 @@
> compatible = "fsl,qoriq-mc";
> reg = <0x00000008 0x0c000000 0 0x40>, /* MC portal base */
> <0x00000000 0x08340000 0 0x40000>; /* MC control reg */
> + msi-parent = <&its>;
> + #address-cells = <3>;
> + #size-cells = <1>;
> +
> + /*
> + * Region type 0x0 - MC portals
> + * Region type 0x1 - QBMAN portals
> + */
> + ranges = <0x0 0x0 0x0 0x8 0x0c000000 0x4000000
> + 0x1 0x0 0x0 0x8 0x18000000 0x8000000>;
> +
> + /*
> + * Define the maximum number of MACs present on the SoC.
> + * They won't necessarily be all probed, since the
> + * Data Path Layout file and the MC firmware can put
> + * fewer actual DPMAC objects on the MC bus.
> + */
> + dpmacs {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + dpmac1: dpmac@1 {
> + compatible = "fsl,qoriq-mc-dpmac";

I did not see how this compatible is used by kernel driver.

> + reg = <1>;
> + };

Please have a newline between nodes.

Shawn

> + dpmac2: dpmac@2 {
> + compatible = "fsl,qoriq-mc-dpmac";
> + reg = <2>;
> + };
> + dpmac3: dpmac@3 {
> + compatible = "fsl,qoriq-mc-dpmac";
> + reg = <3>;
> + };
> + dpmac4: dpmac@4 {
> + compatible = "fsl,qoriq-mc-dpmac";
> + reg = <4>;
> + };
> + dpmac5: dpmac@5 {
> + compatible = "fsl,qoriq-mc-dpmac";
> + reg = <5>;
> + };
> + dpmac6: dpmac@6 {
> + compatible = "fsl,qoriq-mc-dpmac";
> + reg = <6>;
> + };
> + dpmac7: dpmac@7 {
> + compatible = "fsl,qoriq-mc-dpmac";
> + reg = <7>;
> + };
> + dpmac8: dpmac@8 {
> + compatible = "fsl,qoriq-mc-dpmac";
> + reg = <8>;
> + };
> + dpmac9: dpmac@9 {
> + compatible = "fsl,qoriq-mc-dpmac";
> + reg = <9>;
> + };
> + dpmac10: dpmac@10 {
> + compatible = "fsl,qoriq-mc-dpmac";
> + reg = <0xa>;
> + };
> + dpmac11: dpmac@11 {
> + compatible = "fsl,qoriq-mc-dpmac";
> + reg = <0xb>;
> + };
> + dpmac12: dpmac@12 {
> + compatible = "fsl,qoriq-mc-dpmac";
> + reg = <0xc>;
> + };
> + dpmac13: dpmac@13 {
> + compatible = "fsl,qoriq-mc-dpmac";
> + reg = <0xd>;
> + };
> + dpmac14: dpmac@14 {
> + compatible = "fsl,qoriq-mc-dpmac";
> + reg = <0xe>;
> + };
> + dpmac15: dpmac@15 {
> + compatible = "fsl,qoriq-mc-dpmac";
> + reg = <0xf>;
> + };
> + dpmac16: dpmac@16 {
> + compatible = "fsl,qoriq-mc-dpmac";
> + reg = <0x10>;
> + };
> + };
> +
> };
>
> smmu: iommu@5000000 {
> --
> 1.7.9.5
>
>
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