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    SubjectRe: [PATCH v2 4/5] ARM: dts: imx7: add GPMI NAND
    Date


    On 04/21/2017 08:23 PM, Stefan Agner wrote:
    > Add i.MX 7 GPMI NAND module.
    >
    > Signed-off-by: Stefan Agner <stefan@agner.ch>
    > ---
    > arch/arm/boot/dts/imx7s.dtsi | 31 +++++++++++++++++++++++++++++++
    > 1 file changed, 31 insertions(+)
    >
    > diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
    > index 843eb379e1ea..9645257638d4 100644
    > --- a/arch/arm/boot/dts/imx7s.dtsi
    > +++ b/arch/arm/boot/dts/imx7s.dtsi
    > @@ -995,5 +995,36 @@
    > status = "disabled";
    > };
    > };
    > +
    > + dma_apbh: dma-apbh@33000000 {
    > + compatible = "fsl,imx7d-dma-apbh", "fsl,imx28-dma-apbh";
    > + reg = <0x33000000 0x2000>;
    > + interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
    > + <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
    > + <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
    > + <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
    > + interrupt-names = "gpmi0", "gpmi1", "gpmi2", "gpmi3";
    > + #dma-cells = <1>;
    > + dma-channels = <4>;
    > + clocks = <&clks IMX7D_NAND_USDHC_BUS_ROOT_CLK>,
    > + <&clks IMX7D_NAND_ROOT_CLK>;
    > + clock-names = "dma_apbh_bch", "dma_apbh_io";
    > + };
    Do you need some patches to enable all clks for APBH DMA? Refer to
    https://patchwork.ozlabs.org/patch/551967/

    > +
    > + gpmi: gpmi-nand@33002000{
    > + compatible = "fsl,imx7d-gpmi-nand";
    > + #address-cells = <1>;
    > + #size-cells = <1>;
    > + reg = <0x33002000 0x2000>, <0x33004000 0x4000>;
    > + reg-names = "gpmi-nand", "bch";
    > + interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
    > + interrupt-names = "bch";
    > + clocks = <&clks IMX7D_NAND_ROOT_CLK>,
    > + <&clks IMX7D_NAND_USDHC_BUS_ROOT_CLK>;
    > + clock-names = "gpmi_io", "gpmi_bch_apb";
    > + dmas = <&dma_apbh 0>;
    > + dma-names = "rx-tx";
    > + status = "disabled";
    > + };
    > };
    > };

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