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| author |   Miquel Raynal <miquel.raynal@bootlin.com> | 2021-12-16 12:16:36 +0100 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2022-01-23 12:36:22 +0100 |
| commit | 3e2bcda631d4e612a8cd69613a15fae2f9941857 (patch) | |
| tree | 1db291cd03b4513918e96c260e5efeb4bf6efa34 | |
| parent | dt-bindings: spi: mxic: Document the nand-ecc-engine property (diff) | |
| download | linux-dev-3e2bcda631d4e612a8cd69613a15fae2f9941857.tar.xz linux-dev-3e2bcda631d4e612a8cd69613a15fae2f9941857.zip | |
dt-bindings: mtd: Describe Macronix NAND ECC engine
Describe Macronix NAND ECC engine. This engine may be used as an
external engine or can be pipelined with either a raw NAND controller or
a SPI controller. Both hardware designs with a SPI controller are shown
in the examples.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20211216111654.238086-11-miquel.raynal@bootlin.com
| -rw-r--r-- | Documentation/devicetree/bindings/mtd/mxicy,nand-ecc-engine.yaml | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/mxicy,nand-ecc-engine.yaml b/Documentation/devicetree/bindings/mtd/mxicy,nand-ecc-engine.yaml new file mode 100644 index 000000000000..804479999ccb --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/mxicy,nand-ecc-engine.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/mxicy,nand-ecc-engine.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Macronix NAND ECC engine device tree bindings + +maintainers: + - Miquel Raynal <miquel.raynal@bootlin.com> + +properties: + compatible: + const: mxicy,nand-ecc-engine-rev3 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + /* External configuration */ + spi_controller0: spi@43c30000 { + compatible = "mxicy,mx25f0a-spi"; + reg = <0x43c30000 0x10000>, <0xa0000000 0x4000000>; + reg-names = "regs", "dirmap"; + clocks = <&clkwizard 0>, <&clkwizard 1>, <&clkc 15>; + clock-names = "send_clk", "send_dly_clk", "ps_clk"; + #address-cells = <1>; + #size-cells = <0>; + + flash@0 { + compatible = "spi-nand"; + reg = <0>; + nand-ecc-engine = <&ecc_engine0>; + }; + }; + + ecc_engine0: ecc@43c40000 { + compatible = "mxicy,nand-ecc-engine-rev3"; + reg = <0x43c40000 0x10000>; + }; + + - | + /* Pipelined configuration */ + spi_controller1: spi@43c30000 { + compatible = "mxicy,mx25f0a-spi"; + reg = <0x43c30000 0x10000>, <0xa0000000 0x4000000>; + reg-names = "regs", "dirmap"; + clocks = <&clkwizard 0>, <&clkwizard 1>, <&clkc 15>; + clock-names = "send_clk", "send_dly_clk", "ps_clk"; + #address-cells = <1>; + #size-cells = <0>; + nand-ecc-engine = <&ecc_engine1>; + + flash@0 { + compatible = "spi-nand"; + reg = <0>; + nand-ecc-engine = <&spi_controller1>; + }; + }; + + ecc_engine1: ecc@43c40000 { + compatible = "mxicy,nand-ecc-engine-rev3"; + reg = <0x43c40000 0x10000>; + }; |