From: Stefan Agner <stefan-XLVq0VzYD2Y@public.gmane.org>
To: dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org,
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Stefan Agner <stefan-XLVq0VzYD2Y@public.gmane.org>
Subject: [PATCH v2 3/6] mtd: nand: vf610_nfc: add device tree bindings
Date: Mon, 9 Mar 2015 17:38:49 +0100 [thread overview]
Message-ID: <1425919132-13827-4-git-send-email-stefan@agner.ch> (raw)
In-Reply-To: <1425919132-13827-1-git-send-email-stefan-XLVq0VzYD2Y@public.gmane.org>
Signed-off-by: Bill Pringlemeir <bpringlemeir-ygJ1pmMJ17cAvxtiuMwx3w@public.gmane.org>
Signed-off-by: Stefan Agner <stefan-XLVq0VzYD2Y@public.gmane.org>
---
.../devicetree/bindings/mtd/vf610-nfc.txt | 39 ++++++++++++++++++++++
1 file changed, 39 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mtd/vf610-nfc.txt
diff --git a/Documentation/devicetree/bindings/mtd/vf610-nfc.txt b/Documentation/devicetree/bindings/mtd/vf610-nfc.txt
new file mode 100644
index 0000000..312c872
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/vf610-nfc.txt
@@ -0,0 +1,39 @@
+Freescale's NAND flash controller (NFC)
+
+This variant of the Freescale NAND flash controller (NFC) is on Vybrid (vf610),
+MPC5125, MCF54418 and Kinetis K70.
+
+Required properties:
+- compatible: "fsl,vf610-nfc"
+- reg: Address range of the mtd chip
+- interrupts: Should contain the STMMAC interrupts
+- nand-bus-width: see nand.txt
+- nand-ecc-mode: see nand.txt
+- nand-on-flash-bbt: see nand.txt
+- clock-frequency : Optional clock rate to NFC in Hz
+- #address-cells, #size-cells : Must be present if the device has sub-nodes
+ representing partitions.
+
+Required properties for hardware ECC:
+- nand-ecc-strength: supported strengths are 24 and 32 (see nand.txt)
+- nand-ecc-step-size: step size equals page size, currently only 2k pages are
+ supported
+
+Example:
+
+ nfc: nand@400e0000 {
+ compatible = "fsl,vf610-nfc";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0x400e0000 0x4000>;
+ interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clks VF610_CLK_NFC>;
+ clock-names = "nfc";
+ assigned-clocks = <&clks VF610_CLK_NFC>;
+ assigned-clock-rates = <33000000>;
+ nand-bus-width = <8>;
+ nand-ecc-mode = "hw";
+ nand-on-flash-bbt;
+ nand-ecc-strength = <32>;
+ nand-ecc-step-size = <2048>;
+ };
--
2.3.1
--
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next prev parent reply other threads:[~2015-03-09 16:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-09 16:38 [PATCH v2 0/6] mtd: nand: vf610_nfc: Freescale NFC for VF610 Stefan Agner
2015-03-09 16:38 ` [PATCH v2 1/6] mtd: nand: vf610_nfc: Freescale NFC for VF610, MPC5125 and others Stefan Agner
[not found] ` <1425919132-13827-1-git-send-email-stefan-XLVq0VzYD2Y@public.gmane.org>
2015-03-09 16:38 ` [PATCH v2 2/6] mtd: nand: vf610_nfc: add hardware BCH-ECC support Stefan Agner
2015-03-09 16:38 ` Stefan Agner [this message]
2015-03-09 20:11 ` [PATCH v2 3/6] mtd: nand: vf610_nfc: add device tree bindings Bill Pringlemeir
2015-03-09 16:38 ` [PATCH v2 4/6] ARM: vf610: enable NAND Flash Controller Stefan Agner
2015-03-09 16:38 ` [PATCH v2 5/6] ARM: dts: vf610: add NAND flash controller peripherial Stefan Agner
2015-03-09 16:38 ` [PATCH v2 6/6] ARM: dts: vf-colibri: enable NAND flash controller Stefan Agner
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