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SubjectRe: [v5 2/2] arm64: dts: lx2160a: add sata node support
On Fri, Jan 25, 2019 at 08:10:13AM +0000, Peng Ma wrote:
> Add SATA device nodes for fsl-lx2160a and enable support
> for QDS and RDB boards.
>
> Signed-off-by: Peng Ma <peng.ma@nxp.com>
> ---
> changed for V5:
> - no change
>
> arch/arm64/boot/dts/freescale/fsl-lx2160a-qds.dts | 16 +++++++
> arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts | 16 +++++++
> arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 44 +++++++++++++++++++++
> 3 files changed, 76 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-lx2160a-qds.dts
> index 99a22ab..1a5acf6 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a-qds.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a-qds.dts
> @@ -95,6 +95,22 @@
> };
> };
>
> +&sata0 {
> + status = "okay";
> +};
> +
> +&sata1 {
> + status = "okay";
> +};
> +
> +&sata2 {
> + status = "okay";
> +};
> +
> +&sata3 {
> + status = "okay";
> +};
> +
> &uart0 {
> status = "okay";
> };
> diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts
> index 6481e5f..5b6799e 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts
> @@ -102,6 +102,22 @@
> };
> };
>
> +&sata0 {
> + status = "okay";
> +};
> +
> +&sata1 {
> + status = "okay";
> +};
> +
> +&sata2 {
> + status = "okay";
> +};
> +
> +&sata3 {
> + status = "okay";
> +};
> +
> &uart0 {
> status = "okay";
> };
> diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> index a79f5c1..592034b 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> @@ -671,6 +671,50 @@
> status = "disabled";
> };
>
> + sata0: sata@3200000 {
> + compatible = "fsl,lx2160a-ahci";
> + reg = <0x0 0x3200000 0x0 0x10000>,
> + <0x7 0x100520 0x0 0x4>;
> + reg-names = "ahci", "sata-ecc";
> + interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&clockgen 4 3>;
> + dma-coherent;
> + status = "disabled";
> + };
> +
> + sata1: sata@3210000 {
> + compatible = "fsl,lx2160a-ahci";
> + reg = <0x0 0x3210000 0x0 0x10000>,
> + <0x7 0x100520 0x0 0x4>;
> + reg-names = "ahci", "sata-ecc";
> + interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&clockgen 4 3>;
> + dma-coherent;
> + status = "disabled";
> + };
> +
> + sata2: sata@3220000 {
> + compatible = "fsl,lx2160a-ahci";
> + reg = <0x0 0x3220000 0x0 0x10000>,
> + <0x7 0x100520 0x0 0x4>;
> + reg-names = "ahci", "sata-ecc";
> + interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&clockgen 4 3>;
> + dma-coherent;
> + status = "disabled";
> + };
> +
> + sata3: sata@3230000 {
> + compatible = "fsl,lx2160a-ahci";
> + reg = <0x0 0x3230000 0x0 0x10000>,
> + <0x7 0x100520 0x0 0x4>;
You are using same reg values for sata-ecc in all sata instances. Does this
actually work? No errors when the ahci_qoriq driver do ioremap on it while
probing second instance and onward?

fsl-ls208xa.dtsi is the only other file here with multiple sata instances and
it doesn’t care about sata-ecc.

> + reg-names = "ahci", "sata-ecc";
> + interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&clockgen 4 3>;
> + dma-coherent;
> + status = "disabled";
> + };
> +
> smmu: iommu@5000000 {
> compatible = "arm,mmu-500";
> reg = <0 0x5000000 0 0x800000>;

BR,
Yousaf

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