diff options
Diffstat (limited to 'dts/Bindings/mtd/qcom,nandc.yaml')
| -rw-r--r-- | dts/Bindings/mtd/qcom,nandc.yaml | 171 |
1 files changed, 104 insertions, 67 deletions
diff --git a/dts/Bindings/mtd/qcom,nandc.yaml b/dts/Bindings/mtd/qcom,nandc.yaml index 84ad7ff301..4ada60fbf8 100644 --- a/dts/Bindings/mtd/qcom,nandc.yaml +++ b/dts/Bindings/mtd/qcom,nandc.yaml @@ -31,13 +31,12 @@ properties: - const: core - const: aon - "#address-cells": true - "#size-cells": true - patternProperties: "^nand@[a-f0-9]$": type: object + $ref: raw-nand-chip.yaml properties: + nand-bus-width: const: 8 @@ -48,8 +47,26 @@ patternProperties: enum: - 512 + qcom,boot-partitions: + $ref: /schemas/types.yaml#/definitions/uint32-matrix + items: + items: + - description: offset + - description: size + description: + Boot partition use a different layout where the 4 bytes of spare + data are not protected by ECC. Use this to declare these special + partitions by defining first the offset and then the size. + + It's in the form of <offset1 size1 offset2 size2 offset3 ...> + and should be declared in ascending order. + + Refer to the ipq8064 example on how to use this special binding. + + unevaluatedProperties: false + allOf: - - $ref: "nand-controller.yaml#" + - $ref: nand-controller.yaml# - if: properties: @@ -102,6 +119,24 @@ allOf: - const: rx - const: cmd + - if: + properties: + compatible: + contains: + enum: + - qcom,ipq806x-nand + + then: + patternProperties: + "^nand@[a-f0-9]$": + properties: + qcom,boot-partitions: true + else: + patternProperties: + "^nand@[a-f0-9]$": + properties: + qcom,boot-partitions: false + required: - compatible - reg @@ -114,83 +149,85 @@ examples: - | #include <dt-bindings/clock/qcom,gcc-ipq806x.h> nand-controller@1ac00000 { - compatible = "qcom,ipq806x-nand"; - reg = <0x1ac00000 0x800>; + compatible = "qcom,ipq806x-nand"; + reg = <0x1ac00000 0x800>; + + clocks = <&gcc EBI2_CLK>, + <&gcc EBI2_AON_CLK>; + clock-names = "core", "aon"; - clocks = <&gcc EBI2_CLK>, - <&gcc EBI2_AON_CLK>; - clock-names = "core", "aon"; + dmas = <&adm_dma 3>; + dma-names = "rxtx"; + qcom,cmd-crci = <15>; + qcom,data-crci = <3>; - dmas = <&adm_dma 3>; - dma-names = "rxtx"; - qcom,cmd-crci = <15>; - qcom,data-crci = <3>; + #address-cells = <1>; + #size-cells = <0>; - #address-cells = <1>; - #size-cells = <0>; + nand@0 { + reg = <0>; - nand@0 { - reg = <0>; + nand-ecc-strength = <4>; + nand-bus-width = <8>; - nand-ecc-strength = <4>; - nand-bus-width = <8>; + qcom,boot-partitions = <0x0 0x58a0000>; - partitions { - compatible = "fixed-partitions"; - #address-cells = <1>; - #size-cells = <1>; + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; - partition@0 { - label = "boot-nand"; - reg = <0 0x58a0000>; - }; + partition@0 { + label = "boot-nand"; + reg = <0 0x58a0000>; + }; - partition@58a0000 { - label = "fs-nand"; - reg = <0x58a0000 0x4000000>; - }; + partition@58a0000 { + label = "fs-nand"; + reg = <0x58a0000 0x4000000>; + }; + }; }; - }; }; #include <dt-bindings/clock/qcom,gcc-ipq4019.h> nand-controller@79b0000 { - compatible = "qcom,ipq4019-nand"; - reg = <0x79b0000 0x1000>; - - clocks = <&gcc GCC_QPIC_CLK>, - <&gcc GCC_QPIC_AHB_CLK>; - clock-names = "core", "aon"; - - dmas = <&qpicbam 0>, - <&qpicbam 1>, - <&qpicbam 2>; - dma-names = "tx", "rx", "cmd"; - - #address-cells = <1>; - #size-cells = <0>; - - nand@0 { - reg = <0>; - nand-ecc-strength = <4>; - nand-bus-width = <8>; - - partitions { - compatible = "fixed-partitions"; - #address-cells = <1>; - #size-cells = <1>; - - partition@0 { - label = "boot-nand"; - reg = <0 0x58a0000>; - }; - - partition@58a0000 { - label = "fs-nand"; - reg = <0x58a0000 0x4000000>; - }; + compatible = "qcom,ipq4019-nand"; + reg = <0x79b0000 0x1000>; + + clocks = <&gcc GCC_QPIC_CLK>, + <&gcc GCC_QPIC_AHB_CLK>; + clock-names = "core", "aon"; + + dmas = <&qpicbam 0>, + <&qpicbam 1>, + <&qpicbam 2>; + dma-names = "tx", "rx", "cmd"; + + #address-cells = <1>; + #size-cells = <0>; + + nand@0 { + reg = <0>; + nand-ecc-strength = <4>; + nand-bus-width = <8>; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "boot-nand"; + reg = <0 0x58a0000>; + }; + + partition@58a0000 { + label = "fs-nand"; + reg = <0x58a0000 0x4000000>; + }; + }; }; - }; }; ... |