Convert Qcom NANDc devicetree binding to YAML. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasi...@linaro.org> Reviewed-by: Rob Herring <r...@kernel.org> --- .../devicetree/bindings/mtd/qcom,nandc.yaml | 196 ++++++++++++++++++ .../devicetree/bindings/mtd/qcom_nandc.txt | 142 ------------- 2 files changed, 196 insertions(+), 142 deletions(-) create mode 100644 Documentation/devicetree/bindings/mtd/qcom,nandc.yaml delete mode 100644 Documentation/devicetree/bindings/mtd/qcom_nandc.txt
diff --git a/Documentation/devicetree/bindings/mtd/qcom,nandc.yaml b/Documentation/devicetree/bindings/mtd/qcom,nandc.yaml new file mode 100644 index 000000000000..84ad7ff30121 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/qcom,nandc.yaml @@ -0,0 +1,196 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/qcom,nandc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm NAND controller + +maintainers: + - Manivannan Sadhasivam <manivannan.sadhasi...@linaro.org> + +properties: + compatible: + enum: + - qcom,ipq806x-nand + - qcom,ipq4019-nand + - qcom,ipq6018-nand + - qcom,ipq8074-nand + - qcom,sdx55-nand + + reg: + maxItems: 1 + + clocks: + items: + - description: Core Clock + - description: Always ON Clock + + clock-names: + items: + - const: core + - const: aon + + "#address-cells": true + "#size-cells": true + +patternProperties: + "^nand@[a-f0-9]$": + type: object + properties: + nand-bus-width: + const: 8 + + nand-ecc-strength: + enum: [1, 4, 8] + + nand-ecc-step-size: + enum: + - 512 + +allOf: + - $ref: "nand-controller.yaml#" + + - if: + properties: + compatible: + contains: + const: qcom,ipq806x-nand + then: + properties: + dmas: + items: + - description: rxtx DMA channel + + dma-names: + items: + - const: rxtx + + qcom,cmd-crci: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Must contain the ADM command type CRCI block instance number + specified for the NAND controller on the given platform + + qcom,data-crci: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Must contain the ADM data type CRCI block instance number + specified for the NAND controller on the given platform + + - if: + properties: + compatible: + contains: + enum: + - qcom,ipq4019-nand + - qcom,ipq6018-nand + - qcom,ipq8074-nand + - qcom,sdx55-nand + + then: + properties: + dmas: + items: + - description: tx DMA channel + - description: rx DMA channel + - description: cmd DMA channel + + dma-names: + items: + - const: tx + - const: rx + - const: cmd + +required: + - compatible + - reg + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,gcc-ipq806x.h> + nand-controller@1ac00000 { + compatible = "qcom,ipq806x-nand"; + reg = <0x1ac00000 0x800>; + + 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>; + + #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>; + }; + }; + }; + }; + + #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>; + }; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/mtd/qcom_nandc.txt b/Documentation/devicetree/bindings/mtd/qcom_nandc.txt deleted file mode 100644 index 5647913d8837..000000000000 --- a/Documentation/devicetree/bindings/mtd/qcom_nandc.txt +++ /dev/null @@ -1,142 +0,0 @@ -* Qualcomm NAND controller - -Required properties: -- compatible: must be one of the following: - * "qcom,ipq806x-nand" - for EBI2 NAND controller being used in IPQ806x - SoC and it uses ADM DMA - * "qcom,ipq4019-nand" - for QPIC NAND controller v1.4.0 being used in - IPQ4019 SoC and it uses BAM DMA - * "qcom,ipq6018-nand" - for QPIC NAND controller v1.5.0 being used in - IPQ6018 SoC and it uses BAM DMA - * "qcom,ipq8074-nand" - for QPIC NAND controller v1.5.0 being used in - IPQ8074 SoC and it uses BAM DMA - * "qcom,sdx55-nand" - for QPIC NAND controller v2.0.0 being used in - SDX55 SoC and it uses BAM DMA - -- reg: MMIO address range -- clocks: must contain core clock and always on clock -- clock-names: must contain "core" for the core clock and "aon" for the - always on clock - -EBI2 specific properties: -- dmas: DMA specifier, consisting of a phandle to the ADM DMA - controller node and the channel number to be used for - NAND. Refer to dma.txt and qcom_adm.txt for more details -- dma-names: must be "rxtx" -- qcom,cmd-crci: must contain the ADM command type CRCI block instance - number specified for the NAND controller on the given - platform -- qcom,data-crci: must contain the ADM data type CRCI block instance - number specified for the NAND controller on the given - platform - -QPIC specific properties: -- dmas: DMA specifier, consisting of a phandle to the BAM DMA - and the channel number to be used for NAND. Refer to - dma.txt, qcom_bam_dma.txt for more details -- dma-names: must contain all 3 channel names : "tx", "rx", "cmd" -- #address-cells: <1> - subnodes give the chip-select number -- #size-cells: <0> - -* NAND chip-select - -Each controller may contain one or more subnodes to represent enabled -chip-selects which (may) contain NAND flash chips. Their properties are as -follows. - -Required properties: -- reg: a single integer representing the chip-select - number (e.g., 0, 1, 2, etc.) -- #address-cells: see partition.txt -- #size-cells: see partition.txt - -Optional properties: -- nand-bus-width: see nand-controller.yaml -- nand-ecc-strength: see nand-controller.yaml. If not specified, then ECC strength will - be used according to chip requirement and available - OOB size. - -Each nandcs device node may optionally contain a 'partitions' sub-node, which -further contains sub-nodes describing the flash partition mapping. See -partition.txt for more detail. - -Example: - -nand-controller@1ac00000 { - compatible = "qcom,ipq806x-nand"; - reg = <0x1ac00000 0x800>; - - 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>; - - #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>; - }; - }; - }; -}; - -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>; - }; - }; - }; -}; -- 2.25.1
