Commit 7da6ebf5 authored by Linus Walleij's avatar Linus Walleij Committed by Rob Herring
Browse files

dt-bindings: arm: Convert Gemini boards to YAML 



This removes the old plaintext Gemini binding and replace it
with a YAML schema, adding some new boards in the process.
While we are at it, add the missing vendors to the vendor
prefix file.

Drop the overly deliberate description of subnodes and the big
example from the old document. Keep the elaborate description.

I noticed that "wiliboard" is not a real vendor, the vendor
is named "wiligear" so deprecated this and replaced with the
proper vendor.

Cc: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20210723152356.1874088-1-linus.walleij@linaro.org


Signed-off-by: default avatarRob Herring <robh@kernel.org>
parent 390436f1

Documentation/devicetree/bindings/arm/gemini.txt

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Cortina systems Gemini platforms



The Gemini SoC is the project name for an ARMv4 FA525-based SoC originally

produced by Storlink Semiconductor around 2005. The company was renamed

later renamed Storm Semiconductor. The chip product name is Storlink SL3516.

It was derived from earlier products from Storm named SL3316 (Centroid) and

SL3512 (Bulverde).



Storm Semiconductor was acquired by Cortina Systems in 2008 and the SoC was

produced and used for NAS and similar usecases. In 2014 Cortina Systems was

in turn acquired by Inphi, who seem to have discontinued this product family.



Many of the IP blocks used in the SoC comes from Faraday Technology.



Required properties (in root node):

	compatible = "cortina,gemini";



Required nodes:



- soc: the SoC should be represented by a simple bus encompassing all the

  onchip devices, this is referred to as the soc bus node.



- syscon: the soc bus node must have a system controller node pointing to the

  global control registers, with the compatible string

  "cortina,gemini-syscon", "syscon";



  Required properties on the syscon:

  - reg: syscon register location and size.

  - #clock-cells: should be set to <1> - the system controller is also a

                  clock provider.

  - #reset-cells: should be set to <1> - the system controller is also a

                  reset line provider.



  The clock sources have shorthand defines in the include file:

  <dt-bindings/clock/cortina,gemini-clock.h>



  The reset lines have shorthand defines in the include file:

  <dt-bindings/reset/cortina,gemini-reset.h>



- timer: the soc bus node must have a timer node pointing to the SoC timer

  block, with the compatible string "cortina,gemini-timer"

  See: clocksource/cortina,gemini-timer.txt



- interrupt-controller: the sob bus node must have an interrupt controller

  node pointing to the SoC interrupt controller block, with the compatible

  string "cortina,gemini-interrupt-controller"

  See interrupt-controller/cortina,gemini-interrupt-controller.txt



Example:



/ {

	model = "Foo Gemini Machine";

	compatible = "cortina,gemini";

	#address-cells = <1>;

	#size-cells = <1>;



	memory {

		device_type = "memory";

		reg = <0x00000000 0x8000000>;

	};



	soc {

		#address-cells = <1>;

		#size-cells = <1>;

		ranges;

		compatible = "simple-bus";

		interrupt-parent = <&intcon>;



		syscon: syscon@40000000 {

			compatible = "cortina,gemini-syscon", "syscon";

			reg = <0x40000000 0x1000>;

			#clock-cells = <1>;

			#reset-cells = <1>;

		};



		uart0: serial@42000000 {

			compatible = "ns16550a";

			reg = <0x42000000 0x100>;

			resets = <&syscon GEMINI_RESET_UART>;

			clocks = <&syscon GEMINI_CLK_UART>;

			interrupts = <18 IRQ_TYPE_LEVEL_HIGH>;

			reg-shift = <2>;

		};



		timer@43000000 {

			compatible = "cortina,gemini-timer";

			reg = <0x43000000 0x1000>;

			interrupt-parent = <&intcon>;

			interrupts = <14 IRQ_TYPE_EDGE_FALLING>, /* Timer 1 */

				     <15 IRQ_TYPE_EDGE_FALLING>, /* Timer 2 */

				     <16 IRQ_TYPE_EDGE_FALLING>; /* Timer 3 */

			resets = <&syscon GEMINI_RESET_TIMER>;

			/* APB clock or RTC clock */

			clocks = <&syscon GEMINI_CLK_APB>,

				 <&syscon GEMINI_CLK_RTC>;

			clock-names = "PCLK", "EXTCLK";

			syscon = <&syscon>;

		};



		intcon: interrupt-controller@48000000 {

			compatible = "cortina,gemini-interrupt-controller";

			reg = <0x48000000 0x1000>;

			resets = <&syscon GEMINI_RESET_INTCON0>;

			interrupt-controller;

			#interrupt-cells = <2>;

		};

	};

};

Documentation/devicetree/bindings/arm/gemini.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/arm/gemini.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Cortina systems Gemini platforms



description: |

  The Gemini SoC is the project name for an ARMv4 FA525-based SoC originally

  produced by Storlink Semiconductor around 2005. The company was renamed

  later renamed Storm Semiconductor. The chip product name is Storlink SL3516.

  It was derived from earlier products from Storm named SL3316 (Centroid) and

  SL3512 (Bulverde).



  Storm Semiconductor was acquired by Cortina Systems in 2008 and the SoC was

  produced and used for NAS and similar usecases. In 2014 Cortina Systems was

  in turn acquired by Inphi, who seem to have discontinued this product family.



  Many of the IP blocks used in the SoC comes from Faraday Technology.



maintainers:

  - Linus Walleij <linus.walleij@linaro.org>



properties:

  $nodename:

    const: '/'

  compatible:

    oneOf:



      - description: Storlink Semiconductor Gemini324 EV-Board also known

          as Storm Semiconductor SL93512R_BRD

        items:

          - const: storlink,gemini324

          - const: storm,sl93512r

          - const: cortina,gemini



      - description: D-Link DIR-685 Xtreme N Storage Router

        items:

          - const: dlink,dir-685

          - const: cortina,gemini



      - description: D-Link DNS-313 1-Bay Network Storage Enclosure

        items:

          - const: dlink,dns-313

          - const: cortina,gemini



      - description: Edimax NS-2502

        items:

          - const: edimax,ns-2502

          - const: cortina,gemini



      - description: ITian Square One SQ201

        items:

          - const: itian,sq201

          - const: cortina,gemini



      - description: Raidsonic NAS IB-4220-B

        items:

          - const: raidsonic,ib-4220-b

          - const: cortina,gemini



      - description: SSI 1328

        items:

          - const: ssi,1328

          - const: cortina,gemini



      - description: Teltonika RUT1xx Mobile Router

        items:

          - const: teltonika,rut1xx

          - const: cortina,gemini



      - description: Wiligear Wiliboard WBD-111

        items:

          - const: wiligear,wiliboard-wbd111

          - const: cortina,gemini



      - description: Wiligear Wiliboard WBD-222

        items:

          - const: wiligear,wiliboard-wbd222

          - const: cortina,gemini



      - description: Wiligear Wiliboard WBD-111 - old incorrect binding

        items:

          - const: wiliboard,wbd111

          - const: cortina,gemini

        deprecated: true



      - description: Wiligear Wiliboard WBD-222 - old incorrect binding

        items:

          - const: wiliboard,wbd222

          - const: cortina,gemini

        deprecated: true



additionalProperties: true

Documentation/devicetree/bindings/vendor-prefixes.yaml

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Original line number Diff line number Diff line
@@ -563,6 +563,8 @@ patternProperties: 
    description: ITE Tech. Inc.

  "^itead,.*":

    description: ITEAD Intelligent Systems Co.Ltd

  "^itian,.*":

    description: ITian Corporation

  "^iwave,.*":

    description: iWave Systems Technologies Pvt. Ltd.

  "^jdi,.*":
@@ -1111,6 +1113,10 @@ patternProperties: 
  "^st-ericsson,.*":

    description: ST-Ericsson

    deprecated: true

  "^storlink,.*":

    description: StorLink Semiconductors, Inc.

  "^storm,.*":

    description: Storm Semiconductor, Inc.

  "^summit,.*":

    description: Summit microelectronics

  "^sunchip,.*":
@@ -1143,6 +1149,8 @@ patternProperties: 
    description: TechNexion

  "^technologic,.*":

    description: Technologic Systems

  "^teltonika,.*":

    description: Teltonika Networks

  "^tempo,.*":

    description: Tempo Semiconductor

  "^techstar,.*":
@@ -1268,6 +1276,8 @@ patternProperties: 
    description: Shenzhen whwave Electronics, Inc.

  "^wi2wi,.*":

    description: Wi2Wi, Inc.

  "^wiligear,.*":

    description: Wiligear, Ltd.

  "^winbond,.*":

    description: Winbond Electronics corp.

  "^winstar,.*":