On Fri, Jul 24, 2015 at 03:16:23PM +0200, Stefan Agner wrote:
> This adds the NAND flash controller (NFC) peripherial. The driver
> supports the SLC NAND chips found on Freescale's Vybrid Tower System
> Module. The Micron NAND chip on the module needs 4-bit ECC per 512
> byte page. Use 24-bit ECC per 2k page, which is supported by the
> driver.
>
> Signed-off-by: Bill Pringlemeir <bpringlemeir@xxxxxxxxx>
> Signed-off-by: Stefan Agner <stefan@xxxxxxxx>
> ---
> arch/arm/boot/dts/vf610-twr.dts | 44 +++++++++++++++++++++++++++++++++++++++++
> arch/arm/boot/dts/vfxxx.dtsi | 8 ++++++++
> 2 files changed, 52 insertions(+)
>
> diff --git a/arch/arm/boot/dts/vf610-twr.dts b/arch/arm/boot/dts/vf610-twr.dts
> index 375ab23..0b2b932 100644
> --- a/arch/arm/boot/dts/vf610-twr.dts
> +++ b/arch/arm/boot/dts/vf610-twr.dts
> @@ -287,6 +287,50 @@
> status = "okay";
> };
>
> +&iomuxc {
> + vf610-twr {
> + pinctrl_nfc_1: nfcgrp_1 {
The suffix "_1" is meaningless. Please drop it here as well as patch
#5.
Shawn
> + fsl,pins = <
> + VF610_PAD_PTD31__NF_IO15 0x28df
> + VF610_PAD_PTD30__NF_IO14 0x28df
> + VF610_PAD_PTD29__NF_IO13 0x28df
> + VF610_PAD_PTD28__NF_IO12 0x28df
> + VF610_PAD_PTD27__NF_IO11 0x28df
> + VF610_PAD_PTD26__NF_IO10 0x28df
> + VF610_PAD_PTD25__NF_IO9 0x28df
> + VF610_PAD_PTD24__NF_IO8 0x28df
> + VF610_PAD_PTD23__NF_IO7 0x28df
> + VF610_PAD_PTD22__NF_IO6 0x28df
> + VF610_PAD_PTD21__NF_IO5 0x28df
> + VF610_PAD_PTD20__NF_IO4 0x28df
> + VF610_PAD_PTD19__NF_IO3 0x28df
> + VF610_PAD_PTD18__NF_IO2 0x28df
> + VF610_PAD_PTD17__NF_IO1 0x28df
> + VF610_PAD_PTD16__NF_IO0 0x28df
> + VF610_PAD_PTB24__NF_WE_B 0x28c2
> + VF610_PAD_PTB25__NF_CE0_B 0x28c2
> + VF610_PAD_PTB27__NF_RE_B 0x28c2
> + VF610_PAD_PTC26__NF_RB_B 0x283d
> + VF610_PAD_PTC27__NF_ALE 0x28c2
> + VF610_PAD_PTC28__NF_CLE 0x28c2
> + >;
> + };
> + };
> +};
> +
> +&nfc {
> + assigned-clocks = <&clks VF610_CLK_NFC>;
> + assigned-clock-rates = <33000000>;
> + nand-bus-width = <16>;
> + nand-ecc-mode = "hw";
> + nand-ecc-step-size = <2048>;
> + nand-ecc-strength = <24>;
> + nand-on-flash-bbt;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_nfc_1>;
> + status = "okay";
> +};
> +
> &uart1 {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_uart1>;
> diff --git a/arch/arm/boot/dts/vfxxx.dtsi b/arch/arm/boot/dts/vfxxx.dtsi
> index 4aa3351..2f4b04d 100644
> --- a/arch/arm/boot/dts/vfxxx.dtsi
> +++ b/arch/arm/boot/dts/vfxxx.dtsi
> @@ -520,6 +520,14 @@
> status = "disabled";
> };
>
> + nfc: nand@400e0000 {
> + compatible = "fsl,vf610-nfc";
> + reg = <0x400e0000 0x4000>;
> + interrupts = <83 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&clks VF610_CLK_NFC>;
> + clock-names = "nfc";
> + status = "disabled";
> + };
> };
> };
> };
> --
> 2.4.5
>
>
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>
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