| Message ID | 20200426185856.38826-4-paul@crapouillou.net (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/8] dt-bindings: clock: Convert ingenic,cgu.txt to YAML | expand |
On Sun, Apr 26, 2020 at 08:58:52PM +0200, Paul Cercueil wrote: > Convert the ingenic,jz4780-nemc.txt doc file to ingenic,nemc.yaml. > > The ingenic,jz4725b-nemc compatible string was added in the process, > with a fallback to ingenic,jz4740-nemc. > > Signed-off-by: Paul Cercueil <paul@crapouillou.net> > --- > .../ingenic,jz4780-nemc.txt | 76 --------------- > .../ingenic,nemc-client.yaml | 45 +++++++++ > .../memory-controllers/ingenic,nemc.yaml | 95 +++++++++++++++++++ > 3 files changed, 140 insertions(+), 76 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/memory-controllers/ingenic,jz4780-nemc.txt > create mode 100644 Documentation/devicetree/bindings/memory-controllers/ingenic,nemc-client.yaml > create mode 100644 Documentation/devicetree/bindings/memory-controllers/ingenic,nemc.yaml > > diff --git a/Documentation/devicetree/bindings/memory-controllers/ingenic,jz4780-nemc.txt b/Documentation/devicetree/bindings/memory-controllers/ingenic,jz4780-nemc.txt > deleted file mode 100644 > index 59b8dcc118ee..000000000000 > --- a/Documentation/devicetree/bindings/memory-controllers/ingenic,jz4780-nemc.txt > +++ /dev/null > @@ -1,76 +0,0 @@ > -* Ingenic JZ4780 NAND/external memory controller (NEMC) > - > -This file documents the device tree bindings for the NEMC external memory > -controller in Ingenic JZ4780 > - > -Required properties: > -- compatible: Should be set to one of: > - "ingenic,jz4740-nemc" (JZ4740) > - "ingenic,jz4780-nemc" (JZ4780) > -- reg: Should specify the NEMC controller registers location and length. > -- clocks: Clock for the NEMC controller. > -- #address-cells: Must be set to 2. > -- #size-cells: Must be set to 1. > -- ranges: A set of ranges for each bank describing the physical memory layout. > - Each should specify the following 4 integer values: > - > - <cs number> 0 <physical address of mapping> <size of mapping> > - > -Each child of the NEMC node describes a device connected to the NEMC. > - > -Required child node properties: > -- reg: Should contain at least one register specifier, given in the following > - format: > - > - <cs number> <offset> <size> > - > - Multiple registers can be specified across multiple banks. This is needed, > - for example, for packaged NAND devices with multiple dies. Such devices > - should be grouped into a single node. > - > -Optional child node properties: > -- ingenic,nemc-bus-width: Specifies the bus width in bits. Defaults to 8 bits. > -- ingenic,nemc-tAS: Address setup time in nanoseconds. > -- ingenic,nemc-tAH: Address hold time in nanoseconds. > -- ingenic,nemc-tBP: Burst pitch time in nanoseconds. > -- ingenic,nemc-tAW: Access wait time in nanoseconds. > -- ingenic,nemc-tSTRV: Static memory recovery time in nanoseconds. > - > -If a child node references multiple banks in its "reg" property, the same value > -for all optional parameters will be configured for all banks. If any optional > -parameters are omitted, they will be left unchanged from whatever they are > -configured to when the NEMC device is probed (which may be the reset value as > -given in the hardware reference manual, or a value configured by the boot > -loader). > - > -Example (NEMC node with a NAND child device attached at CS1): > - > -nemc: nemc@13410000 { > - compatible = "ingenic,jz4780-nemc"; > - reg = <0x13410000 0x10000>; > - > - #address-cells = <2>; > - #size-cells = <1>; > - > - ranges = <1 0 0x1b000000 0x1000000 > - 2 0 0x1a000000 0x1000000 > - 3 0 0x19000000 0x1000000 > - 4 0 0x18000000 0x1000000 > - 5 0 0x17000000 0x1000000 > - 6 0 0x16000000 0x1000000>; > - > - clocks = <&cgu JZ4780_CLK_NEMC>; > - > - nand: nand@1 { > - compatible = "ingenic,jz4780-nand"; > - reg = <1 0 0x1000000>; > - > - ingenic,nemc-tAS = <10>; > - ingenic,nemc-tAH = <5>; > - ingenic,nemc-tBP = <10>; > - ingenic,nemc-tAW = <15>; > - ingenic,nemc-tSTRV = <100>; > - > - ... > - }; > -}; > diff --git a/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc-client.yaml b/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc-client.yaml > new file mode 100644 > index 000000000000..682e6f7e74fa > --- /dev/null > +++ b/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc-client.yaml > @@ -0,0 +1,45 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/memory-controllers/ingenic,nemc-client.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: > + Ingenic SoCs NAND / External Memory Controller (NEMC) > + client-specific properties > + > +maintainers: > + - Paul Cercueil <paul@crapouillou.net> > + > +description: > + This document lists the various properties that child nodes of the NEMC node > + can use. > + > +properties: What about 'reg'? That should be required. > + ingenic,nemc-bus-width: > + allOf: > + - $ref: /schemas/types.yaml#/definitions/uint32 > + - enum: [8, 16] > + description: Specifies the bus width in bits. > + > + ingenic,nemc-tAS: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: Address setup time in nanoseconds. > + > + ingenic,nemc-tAH: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: Address hold time in nanoseconds. > + > + ingenic,nemc-tBP: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: Burst pitch time in nanoseconds. > + > + ingenic,nemc-tAW: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: Address wait time in nanoseconds. > + > + ingenic,nemc-tSTRV: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: Static memory recovery time in nanoseconds. I think I'd just combine this into 1 file. > + > +... > diff --git a/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc.yaml b/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc.yaml > new file mode 100644 > index 000000000000..c7fd28462fd8 > --- /dev/null > +++ b/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc.yaml > @@ -0,0 +1,95 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/memory-controllers/ingenic,nemc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Ingenic SoCs NAND / External Memory Controller (NEMC) devicetree bindings > + > +maintainers: > + - Paul Cercueil <paul@crapouillou.net> > + > +properties: > + $nodename: > + pattern: "^memory-controller@[0-9a-f]+$" > + > + compatible: > + oneOf: > + - enum: > + - ingenic,jz4740-nemc > + - ingenic,jz4780-nemc > + - items: > + - const: ingenic,jz4725b-nemc > + - const: ingenic,jz4740-nemc > + > + "#address-cells": > + const: 2 > + > + "#size-cells": > + const: 1 > + > + ranges: true > + > + reg: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > +patternProperties: > + "^(nand-controller|ethernet)@[0-9]+$": Presumably you could have other types of child nodes? > + type: object > + allOf: > + - $ref: ingenic,nemc-client.yaml# > + > +required: > + - compatible > + - "#address-cells" > + - "#size-cells" > + - ranges > + - reg > + - clocks > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/jz4780-cgu.h> > + #include <dt-bindings/gpio/gpio.h> > + nemc: memory-controller@13410000 { > + compatible = "ingenic,jz4780-nemc"; > + reg = <0x13410000 0x10000>; > + #address-cells = <2>; > + #size-cells = <1>; > + ranges = <1 0 0x1b000000 0x1000000>, > + <2 0 0x1a000000 0x1000000>, > + <3 0 0x19000000 0x1000000>, > + <4 0 0x18000000 0x1000000>, > + <5 0 0x17000000 0x1000000>, > + <6 0 0x16000000 0x1000000>; > + > + clocks = <&cgu JZ4780_CLK_NEMC>; > + > + ethernet@6 { > + compatible = "davicom,dm9000"; > + davicom,no-eeprom; > + > + pinctrl-names = "default"; > + pinctrl-0 = <&pins_nemc_cs6>; > + > + reg = <6 0 1>, /* addr */ > + <6 2 1>; /* data */ > + > + ingenic,nemc-tAS = <15>; > + ingenic,nemc-tAH = <10>; > + ingenic,nemc-tBP = <20>; > + ingenic,nemc-tAW = <50>; > + ingenic,nemc-tSTRV = <100>; > + > + reset-gpios = <&gpf 12 GPIO_ACTIVE_HIGH>; > + vcc-supply = <ð0_power>; > + > + interrupt-parent = <&gpe>; > + interrupts = <19 4>; > + }; > + }; > -- > 2.26.2 >
diff --git a/Documentation/devicetree/bindings/memory-controllers/ingenic,jz4780-nemc.txt b/Documentation/devicetree/bindings/memory-controllers/ingenic,jz4780-nemc.txt deleted file mode 100644 index 59b8dcc118ee..000000000000 --- a/Documentation/devicetree/bindings/memory-controllers/ingenic,jz4780-nemc.txt +++ /dev/null @@ -1,76 +0,0 @@ -* Ingenic JZ4780 NAND/external memory controller (NEMC) - -This file documents the device tree bindings for the NEMC external memory -controller in Ingenic JZ4780 - -Required properties: -- compatible: Should be set to one of: - "ingenic,jz4740-nemc" (JZ4740) - "ingenic,jz4780-nemc" (JZ4780) -- reg: Should specify the NEMC controller registers location and length. -- clocks: Clock for the NEMC controller. -- #address-cells: Must be set to 2. -- #size-cells: Must be set to 1. -- ranges: A set of ranges for each bank describing the physical memory layout. - Each should specify the following 4 integer values: - - <cs number> 0 <physical address of mapping> <size of mapping> - -Each child of the NEMC node describes a device connected to the NEMC. - -Required child node properties: -- reg: Should contain at least one register specifier, given in the following - format: - - <cs number> <offset> <size> - - Multiple registers can be specified across multiple banks. This is needed, - for example, for packaged NAND devices with multiple dies. Such devices - should be grouped into a single node. - -Optional child node properties: -- ingenic,nemc-bus-width: Specifies the bus width in bits. Defaults to 8 bits. -- ingenic,nemc-tAS: Address setup time in nanoseconds. -- ingenic,nemc-tAH: Address hold time in nanoseconds. -- ingenic,nemc-tBP: Burst pitch time in nanoseconds. -- ingenic,nemc-tAW: Access wait time in nanoseconds. -- ingenic,nemc-tSTRV: Static memory recovery time in nanoseconds. - -If a child node references multiple banks in its "reg" property, the same value -for all optional parameters will be configured for all banks. If any optional -parameters are omitted, they will be left unchanged from whatever they are -configured to when the NEMC device is probed (which may be the reset value as -given in the hardware reference manual, or a value configured by the boot -loader). - -Example (NEMC node with a NAND child device attached at CS1): - -nemc: nemc@13410000 { - compatible = "ingenic,jz4780-nemc"; - reg = <0x13410000 0x10000>; - - #address-cells = <2>; - #size-cells = <1>; - - ranges = <1 0 0x1b000000 0x1000000 - 2 0 0x1a000000 0x1000000 - 3 0 0x19000000 0x1000000 - 4 0 0x18000000 0x1000000 - 5 0 0x17000000 0x1000000 - 6 0 0x16000000 0x1000000>; - - clocks = <&cgu JZ4780_CLK_NEMC>; - - nand: nand@1 { - compatible = "ingenic,jz4780-nand"; - reg = <1 0 0x1000000>; - - ingenic,nemc-tAS = <10>; - ingenic,nemc-tAH = <5>; - ingenic,nemc-tBP = <10>; - ingenic,nemc-tAW = <15>; - ingenic,nemc-tSTRV = <100>; - - ... - }; -}; diff --git a/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc-client.yaml b/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc-client.yaml new file mode 100644 index 000000000000..682e6f7e74fa --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc-client.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/memory-controllers/ingenic,nemc-client.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: + Ingenic SoCs NAND / External Memory Controller (NEMC) + client-specific properties + +maintainers: + - Paul Cercueil <paul@crapouillou.net> + +description: + This document lists the various properties that child nodes of the NEMC node + can use. + +properties: + ingenic,nemc-bus-width: + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [8, 16] + description: Specifies the bus width in bits. + + ingenic,nemc-tAS: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Address setup time in nanoseconds. + + ingenic,nemc-tAH: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Address hold time in nanoseconds. + + ingenic,nemc-tBP: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Burst pitch time in nanoseconds. + + ingenic,nemc-tAW: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Address wait time in nanoseconds. + + ingenic,nemc-tSTRV: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Static memory recovery time in nanoseconds. + +... diff --git a/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc.yaml b/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc.yaml new file mode 100644 index 000000000000..c7fd28462fd8 --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc.yaml @@ -0,0 +1,95 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/memory-controllers/ingenic,nemc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ingenic SoCs NAND / External Memory Controller (NEMC) devicetree bindings + +maintainers: + - Paul Cercueil <paul@crapouillou.net> + +properties: + $nodename: + pattern: "^memory-controller@[0-9a-f]+$" + + compatible: + oneOf: + - enum: + - ingenic,jz4740-nemc + - ingenic,jz4780-nemc + - items: + - const: ingenic,jz4725b-nemc + - const: ingenic,jz4740-nemc + + "#address-cells": + const: 2 + + "#size-cells": + const: 1 + + ranges: true + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + +patternProperties: + "^(nand-controller|ethernet)@[0-9]+$": + type: object + allOf: + - $ref: ingenic,nemc-client.yaml# + +required: + - compatible + - "#address-cells" + - "#size-cells" + - ranges + - reg + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/jz4780-cgu.h> + #include <dt-bindings/gpio/gpio.h> + nemc: memory-controller@13410000 { + compatible = "ingenic,jz4780-nemc"; + reg = <0x13410000 0x10000>; + #address-cells = <2>; + #size-cells = <1>; + ranges = <1 0 0x1b000000 0x1000000>, + <2 0 0x1a000000 0x1000000>, + <3 0 0x19000000 0x1000000>, + <4 0 0x18000000 0x1000000>, + <5 0 0x17000000 0x1000000>, + <6 0 0x16000000 0x1000000>; + + clocks = <&cgu JZ4780_CLK_NEMC>; + + ethernet@6 { + compatible = "davicom,dm9000"; + davicom,no-eeprom; + + pinctrl-names = "default"; + pinctrl-0 = <&pins_nemc_cs6>; + + reg = <6 0 1>, /* addr */ + <6 2 1>; /* data */ + + ingenic,nemc-tAS = <15>; + ingenic,nemc-tAH = <10>; + ingenic,nemc-tBP = <20>; + ingenic,nemc-tAW = <50>; + ingenic,nemc-tSTRV = <100>; + + reset-gpios = <&gpf 12 GPIO_ACTIVE_HIGH>; + vcc-supply = <ð0_power>; + + interrupt-parent = <&gpe>; + interrupts = <19 4>; + }; + };
Convert the ingenic,jz4780-nemc.txt doc file to ingenic,nemc.yaml. The ingenic,jz4725b-nemc compatible string was added in the process, with a fallback to ingenic,jz4740-nemc. Signed-off-by: Paul Cercueil <paul@crapouillou.net> --- .../ingenic,jz4780-nemc.txt | 76 --------------- .../ingenic,nemc-client.yaml | 45 +++++++++ .../memory-controllers/ingenic,nemc.yaml | 95 +++++++++++++++++++ 3 files changed, 140 insertions(+), 76 deletions(-) delete mode 100644 Documentation/devicetree/bindings/memory-controllers/ingenic,jz4780-nemc.txt create mode 100644 Documentation/devicetree/bindings/memory-controllers/ingenic,nemc-client.yaml create mode 100644 Documentation/devicetree/bindings/memory-controllers/ingenic,nemc.yaml