From: shawnguo@kernel.org (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] arm64: dts: ls1088a: Add qspi device node for ls1088a-rdb
Date: Mon, 5 Feb 2018 16:17:23 +0800 [thread overview]
Message-ID: <20180205081722.GS31354@dragon> (raw)
In-Reply-To: <1517334262-17969-1-git-send-email-yogeshnarayan.gaur@nxp.com>
On Tue, Jan 30, 2018 at 11:14:22PM +0530, Yogesh Gaur wrote:
> Add nodes and properties for QSPI controller.
> Add support for spansion flash, s25fs512s, as slave device for
> QSPI controller.
>
> Added entry of "fsl,ls1088a-qspi" in fsl-quadspi.txt binding file.
>
> Signed-off-by: Suresh Gupta <suresh.gupta@nxp.com>
> Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur@nxp.com>
> ---
> Depends on
> https://patchwork.ozlabs.org/project/linux-mtd/list/?series=26084
Send me dts patch only after driver and bindings doc get merged.
>
> Changes for v2:
> - Move property spi-rx-bus-width and spi-tx-bus-width from controller
> to connected slave device node.
>
> .../devicetree/bindings/mtd/fsl-quadspi.txt | 1 +
The bindings doc shouldn't be part of dts patch.
Shawn
> arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts | 23 ++++++++++++++++++++++
> arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 12 +++++++++++
> 3 files changed, 36 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt b/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
> index 811da0e..956c23c 100644
> --- a/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
> +++ b/Documentation/devicetree/bindings/mtd/fsl-quadspi.txt
> @@ -7,6 +7,7 @@ Required properties:
> or
> "fsl,ls2080a-qspi" followed by "fsl,ls1021a-qspi",
> "fsl,ls1043a-qspi" followed by "fsl,ls1021a-qspi"
> + "fsl,ls2080a-qspi" followed by "fsl,ls1088a-qspi",
> - reg : the first contains the register location and length,
> the second contains the memory mapping address and length
> - reg-names: Should contain the reg names "QuadSPI" and "QuadSPI-memory"
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
> index 0f6fcda..8afe536 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
> @@ -94,6 +94,29 @@
> };
> };
>
> +&qspi {
> + status = "okay";
> + fsl,qspi-has-second-chip;
> + qflash0: s25fs512s at 0 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + spi-max-frequency = <20000000>;
> + reg = <0>;
> + spi-rx-bus-width = <4>;
> + spi-tx-bus-width = <4>;
> + };
> +
> + qflash1: s25fs512s at 1 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + spi-max-frequency = <20000000>;
> + reg = <1>;
> + spi-rx-bus-width = <4>;
> + spi-tx-bus-width = <4>;
> + };
> +
> +};
> +
> &ifc {
> ranges = <0 0 0x5 0x30000000 0x00010000
> 2 0 0x5 0x20000000 0x00010000>;
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> index bd80e9a..b45a522 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> @@ -394,6 +394,18 @@
> status = "disabled";
> };
>
> + qspi: quadspi at 20c0000 {
> + compatible = "fsl,ls2080a-qspi", "fsl,ls1088a-qspi";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x0 0x20c0000 0x0 0x10000>,
> + <0x0 0x20000000 0x0 0x10000000>;
> + reg-names = "QuadSPI", "QuadSPI-memory";
> + interrupts = <0 25 0x4>; /* Level high type */
> + clocks = <&clockgen 4 3>, <&clockgen 4 3>;
> + clock-names = "qspi_en", "qspi";
> + };
> +
> sata: sata at 3200000 {
> compatible = "fsl,ls1088a-ahci";
> reg = <0x0 0x3200000 0x0 0x10000>,
> --
> 1.9.1
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
prev parent reply other threads:[~2018-02-05 8:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-30 17:44 [PATCH v2] arm64: dts: ls1088a: Add qspi device node for ls1088a-rdb Yogesh Gaur
2018-02-05 8:17 ` Shawn Guo [this message]
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