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Diffstat (limited to 'Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml')
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1 files changed, 93 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml new file mode 100644 index 000000000000..28fb9a7dd70f --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml @@ -0,0 +1,93 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/amlogic,meson-nand.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic NAND Flash Controller (NFC) for GXBB/GXL/AXG family SoCs + +allOf: + - $ref: nand-controller.yaml + +maintainers: + - liang.yang@amlogic.com + +properties: + compatible: + enum: + - amlogic,meson-gxl-nfc + - amlogic,meson-axg-nfc + + reg: + maxItems: 2 + + reg-names: + items: + - const: nfc + - const: emmc + + interrupts: + maxItems: 1 + + clocks: + minItems: 2 + + clock-names: + items: + - const: core + - const: device + +patternProperties: + "^nand@[0-7]$": + type: object + properties: + reg: + minimum: 0 + maximum: 1 + + nand-ecc-mode: + const: hw + + nand-ecc-step-size: + const: 1024 + + nand-ecc-strength: + enum: [8, 16, 24, 30, 40, 50, 60] + description: | + The ECC configurations that can be supported are as follows. + meson-gxl-nfc 8, 16, 24, 30, 40, 50, 60 + meson-axg-nfc 8 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/axg-clkc.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + nand-controller@ffe07800 { + compatible = "amlogic,meson-axg-nfc"; + reg = <0xffe07800 0x100>, <0xffe07000 0x800>; + reg-names = "nfc", "emmc"; + interrupts = <GIC_SPI 34 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkc CLKID_SD_EMMC_C>, <&clkc CLKID_FCLK_DIV2>; + clock-names = "core", "device"; + + pinctrl-0 = <&nand_pins>; + pinctrl-names = "default"; + + #address-cells = <1>; + #size-cells = <0>; + + nand@0 { + reg = <0>; + }; + }; + +... |