[PATCH v7 4/5] ARM: dts: vf610twr: add NAND flash controller peripherial
From: shawnguo@kernel.org (Shawn Guo)
Date: 2015-07-25 03:30:55
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On Fri, Jul 24, 2015 at 03:16:23PM +0200, Stefan Agner wrote:
quoted hunk ↗ jump to hunk
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 <redacted> Signed-off-by: Stefan Agner <stefan@agner.ch> --- 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
quoted hunk ↗ jump to hunk
+ 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 at 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel at lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel