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Groups > linux.kernel > #1198664
| From | Stefan Agner <stefan@agner.ch> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v10 4/5] ARM: dts: vf610twr: add NAND flash controller peripherial |
| Date | 2015-08-03 11:30 +0200 |
| Message-ID | <pTkee-7lf-19@gated-at.bofh.it> (permalink) |
| References | <pTked-7lf-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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@nbsps.com>
Reviewed-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
---
arch/arm/boot/dts/vf610-twr.dts | 40 ++++++++++++++++++++++++++++++++++++++++
arch/arm/boot/dts/vfxxx.dtsi | 8 ++++++++
2 files changed, 48 insertions(+)
diff --git a/arch/arm/boot/dts/vf610-twr.dts b/arch/arm/boot/dts/vf610-twr.dts
index 375ab23..2a278a2 100644
--- a/arch/arm/boot/dts/vf610-twr.dts
+++ b/arch/arm/boot/dts/vf610-twr.dts
@@ -237,6 +237,33 @@
>;
};
+ pinctrl_nfc: nfcgrp {
+ 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
+ >;
+ };
+
pinctrl_pwm0: pwm0grp {
fsl,pins = <
VF610_PAD_PTB0__FTM0_CH0 0x1582
@@ -274,6 +301,19 @@
};
};
+&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>;
+ status = "okay";
+};
+
&pwm0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pwm0>;
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";
+ };
};
};
};
--
2.5.0
--
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[PATCH v10 0/5] mtd: nand: vf610_nfc: Freescale NFC for VF610 Stefan Agner <stefan@agner.ch> - 2015-08-03 11:30 +0200
[PATCH v10 5/5] ARM: dts: vf-colibri: enable NAND flash controller Stefan Agner <stefan@agner.ch> - 2015-08-03 11:30 +0200
[PATCH v10 3/5] mtd: nand: vf610_nfc: add device tree bindings Stefan Agner <stefan@agner.ch> - 2015-08-03 11:30 +0200
[PATCH v10 2/5] mtd: nand: vf610_nfc: add hardware BCH-ECC support Stefan Agner <stefan@agner.ch> - 2015-08-03 11:30 +0200
Re: [PATCH v10 2/5] mtd: nand: vf610_nfc: add hardware BCH-ECC support Stefan Agner <stefan@agner.ch> - 2015-08-03 11:40 +0200
[PATCH v10 4/5] ARM: dts: vf610twr: add NAND flash controller peripherial Stefan Agner <stefan@agner.ch> - 2015-08-03 11:30 +0200
[PATCH v10 1/5] mtd: nand: vf610_nfc: Freescale NFC for VF610, MPC5125 and others Stefan Agner <stefan@agner.ch> - 2015-08-03 11:30 +0200
Re: [PATCH v10 0/5] mtd: nand: vf610_nfc: Freescale NFC for VF610 Albert ARIBAUD <albert.aribaud@3adev.fr> - 2015-08-03 12:40 +0200
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