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authorStefan Agner <stefan@agner.ch>2017-04-22 03:23:36 +0200
committerBoris Brezillon <boris.brezillon@free-electrons.com>2017-06-01 10:09:26 +0200
commitd7e578c8118113789b7abd2977e208c64d6f8465 (patch)
treebda43d53028f0aa348639e2fb8d773dc5646c738 /Documentation/devicetree/bindings/mtd
parentmtd: nand: gpmi: add i.MX 7 SoC support (diff)
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mtd: gpmi: document current clock requirements
The clock requirements are completely missing, add the clocks currently required by the driver. Signed-off-by: Stefan Agner <stefan@agner.ch> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Diffstat (limited to 'Documentation/devicetree/bindings/mtd')
-rw-r--r--Documentation/devicetree/bindings/mtd/gpmi-nand.txt14
1 files changed, 13 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/mtd/gpmi-nand.txt b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt
index d02acaff3c35..b289ef3c1b7e 100644
--- a/Documentation/devicetree/bindings/mtd/gpmi-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt
@@ -4,7 +4,12 @@ The GPMI nand controller provides an interface to control the
NAND flash chips.
Required properties:
- - compatible : should be "fsl,<chip>-gpmi-nand"
+ - compatible : should be "fsl,<chip>-gpmi-nand", chip can be:
+ * imx23
+ * imx28
+ * imx6q
+ * imx6sx
+ * imx7d
- reg : should contain registers location and length for gpmi and bch.
- reg-names: Should contain the reg names "gpmi-nand" and "bch"
- interrupts : BCH interrupt number.
@@ -13,6 +18,13 @@ Required properties:
and GPMI DMA channel ID.
Refer to dma.txt and fsl-mxs-dma.txt for details.
- dma-names: Must be "rx-tx".
+ - clocks : clocks phandle and clock specifier corresponding to each clock
+ specified in clock-names.
+ - clock-names : The "gpmi_io" clock is always required. Which clocks are
+ exactly required depends on chip:
+ * imx23/imx28 : "gpmi_io"
+ * imx6q/sx : "gpmi_io", "gpmi_apb", "gpmi_bch", "gpmi_bch_apb", "per1_bch"
+ * imx7d : "gpmi_io", "gpmi_bch_apb"
Optional properties:
- nand-on-flash-bbt: boolean to enable on flash bbt option if not